K;'5ftj^i> MsiL \Ky -^^, ^ ^ A CLASS-BOOK OF BOTANY, DESIGNED FOR COLLEGES, ACADEMIES, AND OTHER SEMINARIES. Jln (Ituo |)arts : PAET I. THE ELEMENTS OF BOTANICAL SCIENCE. PART II. THE NATURAL ORDERS. ILLUSTRATED BY A FLORA OF THE NORTHERN, MIDDLE, AND WESTERN STATES : PARTICnL.VRLT OF THE UNITED STATES NORTH OF THE CAPITOL, LAT. SSJi" BY ALPHONSO WOOD, A.M. And he spake of trees, from the cedar in Lebanon even unto the hyssop thnt eprmgelh out ot the wall. 1 Kisos, 4 : 33. Consider the liUes of the field : • » » even Solomon in all his glory was not aiTayed like one o( these. M»TT. 6 : 28, 29. STentJ) JEDitfon, rebiseti anU enlat;sett. BOSTON: PUBLISHED BY CROCKER & BREWSTER. CLAREMONT, N. H., SIMEON IDE. 1849. Entered according to Act of Congress, in the year 1846, By ALPHONSO WOOD, In the Clerk's Office of the District Court of the District of New Hampshire. EEV. CHESTER DEWEY, M. D., D. D., PROFESSOa OF NATITEAL SCIENCE IN THE BERKSHIRE AND OTHER MEDICAL INSTITUTIONS, AUTHOR OF THE REPORT ON THE HERBACEOUS PLANTS OF MASSACHUSETTS, MONOGRAPH ON THE CARICES, ETC. ETC. THIS VOLUME IS RESPECTFULLY DEDICATED, BY THE AUTHOR. PREFACE. The science of botany is as eminently progressive as it is delightful and ennobling. By recent discoveries it has been established on the basis of inductive philosophy, and elevated almost to the rank of an exact science. The theory of the floral structure which refers each organ to the principle of the leaf, now enters into almost every department of botany, and gives a new aspect to the whole ; revealing more clearly than any other discov- ery has ever done, the beauty and simplicity of the plan on which Creative Power is exerted in the production of the countless forms of vegetable existence. The present treatise contains, first, the Elements of Botany, according to the latest authorities, written in the form of simple propositions, briefly illustrated, and broken into short paragraphs, with direct reference to the convenience of the learner. Brief as it is, it is hoped that it will be found to embody all the established principles of the science contained in former school treatises, together with those newly discovered principles in Organ- ography and Physiology, by which botany has been really enriched and advanced.* The Flora is adapted particularly to that section of the United States which lies north of the Capitol, that is, of the 39th parallel, including essentially the States Ipng north of the .Ohio river and Maryland-f It comprehends all the Phsenogamia, or flowering plants, with the Ferns, &c. ■which have hitherto been discovered and described as indigenous in these iStates, together with the naturalized exotics, and those which are more 'generally cultivated either as useful or ornamental. The descriptions are * The student who aims at the highest attainments will by no means rest satisfied with mere outlines, such as our limits here admit of. It affords us pleasure to be able to recommend to all such as would adyance beyond first principles, the full and elaborate " Text Book " of Dr. Asa Gray, — an American work of the highest merit. t With some exceptions, therefore, this Flora will answer for the adjacent States of Delaware, Maryland, Virginia, Kentucky, Missouri, and the Canadas. 1* 4 PREFACE. as extended and minute as appeared to the author necessary for the com- plete recognition of the plants, and for imparting a knowledge of whatever is peculiar or interesting in their habit, culture, or use. With regard to the sources of information from which this part of the work has been prepared, it is proper to state, that I have for several years been engaged in the collection of materials, during which I have made extensive tours with this object in view, in nearly every section of country which this Flora represents, and have had access to numerous and exten- sive herbaria. By these means, I have been able to draw the description of about nine tenths of the species mentioned from the living or dried specimen. For additional information, I have availed myself of the best authorities within my reach, among which are the botanical works of Bigelow, Eaton, Wright, Pursh, Michaux, Smith, Nuttall, Torrey, Beck, Loudon, Elliott, Darlington, Dewey, Barton, Hooker, Decandolle, and Torrey and Gray. With few exceptions, I have adopted, for our native and naturalized plants, the nomenclature of the " North American Flora " of the two last distinguished authors ; and for our cultivated exotics, the nomenclature of the "Prodromus" of Decandolle, (that is, so far as these floras at present extend,) regarding these, as they truly are, standard works. The present Flora is accompanied with numerous Analytical Tables, de- signed to facilitate the hitherto tedious process of botanical analysis. The object aimed at in their construction is to exhibit at one view the most striking characteristics of each group to which they respectively relate, so arranged as to conduct the mind from a single radiating point to any de- sired genus contained in the volume. That we have fully realized this plan, or that the tables are free from error, is not to be expected ; yet we do hope that they will afford facilities for analysis greater than any system hitherto available. To Dr. Edward E. Phelps, Lecturer on Medical Botany, &c. in Dartmouth College, I am indebted for many highly valuable suggestions, particularly in regard to the tables above mentioned. In this department of the work, I would gratefully acknowledge his aid. A few tables under the Natural Orders were originally of his construction, although necessarily much altered in this edition, by the admission of additional genera. He has also granted me free access to his botanical books and specimens. To the Rev. Professor Chester Dewey, to whom I am permitted to dedicate this volume, I am indebted for that part of the Flora which re- lates to the difficult yet deeply interesting family of the Carices. He has not only granted me access to his former excellent monograph of that genus, but has prepared the article for the present work with his own hand. PREFACE. 5 It gives me pleasure to be able also to introduce in this connection the name of Dr. James W. Robbins, — a name long since enrolled among American botanists. Our Flora has been recently in part reviewed by him ; and he has communicated to me, in relation to this work, the results of his extensive and accurate observations, as will be seen by the frequent recurrence of his name in the following pages. Grateful acknowledgments are also due to Dr. Joseph Barratt. He has kindly communicated his unequalled monograph of the willows, " Sali- ces Americana} ;" also that of the " Eupatoria verticUlata ;" both of which, abridged, I have adopted in this work. Among other friends and correspondents, from whom I have received specimens and highly valuable information, and whose kindness will be held by me in most grateful remembrance, are the following : viz. Dr. Al- bert G. Skinner and Dr. John Plummer, Indiana; Dr. Samuel B. Mead and Kev. E. Jenney, Illinois ; Mr. Wm. S. Sullivant, Professor Locke, and Mr. Joseph Clark, Ohio ; Dr. I. A. Lapham, Wisconsin ; Dr. Wm. Darlington, Pennsylvania ; President Hitchcock, Professor Asa Gray, and Dr. Augustus A. Gould, Massachusetts; Mr. Tru- man KiCKARD, New Hampshire; Dr. Sartwell and Mr. Brownne, New York ; Mr. S. T. Olney, Rhode Island ; &c. &c. In the present edition, a chapter on the principles of Agricultural Chemistry has been added to the " Elements," and some important altera- tions introduced. The Flora has been to a great extent rewritten, and enlarged, not only by the addition of such plants as were necessary to adapt it to a wider section of country, as mentioned above, but by many plants recently discovered within our former limits. At the end is appended a synoptical view of the lower orders of the Cryptogamia, with their gen- era ; and the whole is now illustrated with numerous engravings. Finally, the present work is again submitted to the public with the assur- ance that, on the part of the author, it shall still be his constant care to detect and rectify its imperfections in future editions ; and with tlie earnest hope that his labors may serve to awaken in the minds of others as deep an interest in this branch of the study of Nature as they have done in his own. Meeiden, N. H., April, 1847. THE GREEK ALPHABET, &c. Large. gmalL Kom, letters. Names. Numerals. A a a Alpha. B 13 b Beta. 1. els, fiova^. r Y g Gamma. 2. 6vu, dtf . A 6 d Delta. 3. Tpeic E E 2 Ep&ilon. 4. Tsaaapec, rerpa z f z Zeta. 5. TTEVTS. H V e Eta. 6. il e •&,& th Theta. 7. k-KTa. I I i Iota. 8. OKTU. K K. c(k) Kappa. 9. evvea. A 2. 1 Lambda. 10. dsKO. M 1* m Mu. 11. IvdeKa. N V n Nu. 12. d(j6EKa. S 1 X Xi. 20. eiKoai. O 0 6 Omikron. Many, TroAvf. n TT, ph Phi. Upon, em. X X ch Chi. Around, irepi. * i> ps Psi. Under, vno. Q 6) 6 Omega. PRONUNCIATION. 1. Every Latin word has as many syllables as it has separate vowels and diph- thongs. 2. The penult (last syllable but one) is always accented in words of two sylla- bles. In words of more than two syllables, the penult, if long in quantity, is ac- cented ; if short, the antepenult (last syllable but two) is accented. A word may have, also, a secondary accent, &c. 3. A vowel before another vowel, or 'the letter A, or marked with this (") char- acter, is short in quantity. A diphthong, a vowel before two consonants, or a double consonant, or the letter j , or marked with this ( " ) character, is long in quantity. 4. A vowel has its short, English sound, when followed by a consonant in the same syllable; otherwise its long sound, without regard to quantity: a at the end of an accented syllable, has an indistinct sound, as in Columbia. 5. A single consonant or a mute and liquid between the vowels of the penult and final syllables, is joined to the latter ; in other cases, the vowel of the accented syllable takes the consonant before and after it, except u, and the vowels a, e and 0, before two vowels, the first of which is c or i; when it takes the former only. 6. Pronounce es final with the e protracted ; ch like k ; ci, ti, si, before a vow- el, like sh ; ce, ce, like e ; qu like kiv ; gu, su, before a vowel in the same syllable, like gw, sw. CONTENTS AND ANALYSIS. CHAPTER I.— INTRODUCTION.— Page 13. 1, Botany defined. — 2, Its departments. Organography. 3, Vegetable Physiol- ogy. 4, Glossology. 5, Systematic Botany. 6, Relation to man — ultimate' aim. 7, Its merits and claims. 8, Natural world — its divisions, — «, mutual relations. 9, Mineral defined. 10, Plant defined. 11, Animal defined, — -ucca, A, •tomata closed ; small, luminous bodies in the cells. 24 ELEMENTARY ORGANS. g. In tliis modification of spiral vessels the tube is much lengthened, and the coil within it is either closed, that is, -will not unroll, as in the fems ; or it is annu- lar, that is, broken into distinct rings, as in the garden balsam ; or it is reticvlated, that is, branching, the branches crossing so as to form a net-work. The office of all these ducts is the same, — that of convejang fluid. It is only in the spiral vessel that we find air. (Fig. 2,a,b.) 34. Laticiferous tissue is so called, from latex, the true nutritious sap, which it is destined to elaborate and convey. It consists of branched anastomosing («>-«, to and fro, aTOftu, a pas- sage) tubes, lying chiefly in the bark, and the under side of leaves. (Fig. 2, c.) a. These tubes are veiy ii-regular in foi-m, direction, and position. They expand and contract at intervals, cross and recross the other tissues, and, proceed- ing from the inner parts, ramify upon the outer surface, and upon the hairs, forming meshes of inconceivable fineness. Then* average diameter is about TjVtt of an inch. They are largest in plants which have a mUky latex, or juice. 35. The EPIDERMIS, or skin, is a form of cellular tissue exter- nally enveloping the plant. It is found upon every part exposed to the air, except the stigma of the flower, and the spongioles of the roots. These it does not cover, nor is it found upon those parts wliich habitually live under water. And, where the bark of the stem is rugged with seams and furrows, this organ is not distinguishable. 36. It consists of a tissue of flattened cells of various figures, filled with air. Usually there is but one layer of cells, but sometimes there are two or tlu-ee, especially in tropical plants. The Oleander has four. Its office, in the economy of the plant, is, to check the evaporation of its moisture. a. The delicate membrane, which may be easily stripped off from the leaf of the house-leek or the garden iris, is the epidermis. It is transparent, colorles.=, and, under the microscope, reveals its cellular structure. 37. The epidemiis does not entirely exclude the tissues be- neath it from the external air, but is perforated by certain aper- tures, called STOMATA (mouths), which open or close under the influence of the light. (Fig. 2.) 38. Stomata are usually of an oval form, bounded by a pair of kidney-shaped cells, containing a green matter. Sometimes they are round, and bounded by several cells. Many other varieties of form have been noticed KriDERMIS. 25 39. Stomata are always placed over, and communicate ^vith, the intercellular 2}assages, that is, the spaces between the cells of the tissue. They are never found on the midrib, or veins, of the leaf, or over any ligneous part of the structure. They are most abmidant over the soft, green tissue of the leaves, young shoots, and the parts of the flower. a. These organs are of a size so minute, that more than 100,000 of them havo been counted witliin the space of a square inch. The largest kno^\^l arc about gX.^ of an inch in length. Tlieir function is intimately connected with respira- tion. FIG. 3. — Hairs and glands ; a, c, simple hairs ; b, branched hair of the mullein ; rf, gland Burmounted by a hair; e, gland at the top of a hair; _/", prickles of the rose. 40. The surface of the epidei*mis is either smooth, or furnished with numerous processes, originating from itself, or from the cellular substance beneath it. These are of several classes, namely, glaiids, hairs, prickles, stings, &c. 41. Hairs are minute expansions of the epidermis, consisting each of a single lengthened cell, or of a row of cells, placed end to end, containing air. They are si7n2yle or bra?iched. (Fig. 3.) a. Hairs are occasionally found upon the leaves, stem, and indeed upon any other part. In the cotton plant (Gossypium) they envelope the seed. They give various names to the surfiice, to which they are appended, according to their nature and appearance ; thus it is said to be downy, or pubescent, when clothed with soft, short hairs; — hirsute, with longer hairs: — rough, with short, stiff hairs; — tomentose, -when Uiey are entangled and matted; arachnoid, when like cobwebs; — sericeous, when silky; — velvety, when they are short, soft, and dense ; — dliate, when long and fringed, like the eyelasli. 42. Stings are tubular and acute hairs, fixed ujion minute glands in the cuticle, which secrete an acrid fluid. By the 26 PRIMARY DIVISIONS, ETC. slightest pressure tlus fluid is injected through the tube into the wound made by its point. Ex. nettle. 43. Prickles (Fig. 3) are also expansions of the epidermis, consisting of hardened cellular tissue (29, e). They are appen- ded to the cuticle alone, and are stripped oiF with it. Unlike the thorn (171), they have no connection with the wood, nor do they disappear by cultivation. Ex. rose, bramble. (Rubus.) 44. Glands (Fig. 3) are minute bodies of cellular tissue, situ- ated on various parts of the plant, generally serving to elaborate and discharge its peculiar secretions, which are oily, resinous, saccharine, acrid, &c. a. They ai-e either sessile, as in the cassia; or mounted upon a stipe, as in the passion flower ; or imbedded in the leaf, causing it to appear punctate, as in the leaf of the lemon. Often the gland appears to be merely the expansion of a hair, either at its base or its summit. Such are called glandular hairs. 45. Analogous to glands, are those cavities formed in the cel- lular tissue, to serve as receptacles of secretion. Examples are seen in the rind of the orange and lemon, containing minute drops of a fragrant volatile oil. The turpentine of the fir balsam is stored up in large reservoirs of this kind. CHAPTER III. PEIMARY DIVISIONS OF THE VEGETABLE KINGDOM. 46. The vegetable kingdom has long been considered by botanists under two great natural divisions, namely, Ph^^enoga- MiA, or Flowering Plants, and Cryptogamia, or Flowerless Plants. 47. Besides the obvious distinction made by the presence or the absence of the flower, these divisions are further distin- guished by their stmctme. The Phsenogamia abound \vith the ligneous and vascular tissue, while the Cryptogamia consist more generally of the cellular. Hence, the former are also called Vasculares, and the latter Cellulares. SPECIES GENUS. 2f 48. Again, the former are distinguished for producing seeds composed of determinate parts, as cotyledons {k\25) and embryo, while the latter produce certain minute bodies, called spores, having no such distinction of parts. Thus the Phaenogamia are also called Cotyledonous and the Cryptogamia Acotyledo- Nous plants. 49. Lastly, we find in the Phaenogamia, a system of com- pound organs, such as root, stem, leaf, and flower, successively developed on a determinate plan (U8- 26), while in the Cryp- togamia, a gradual departure from tliis plan commences, and they become simple expansions of cellular tissue, without sym- metry or proportion. a. In the following pages we shall first direct our attention exclusively to the compound organs of Flowebing Plants ; and since, in our descriptions of these organs, frequent references will be made to particular species and genera, for illustrations and examples, it seems proper to subjoin, in this place, a brief notice of these fundamental divisions also. 50. A Species embraces all such individuals as may have originated from a common stock. Such individuals bear an es- sential resemblance to each other, as well as to their common parent, in all their parts. a. Thus the white clover, ( Trifolivm repens) is a species, embracing thousands of contemporary individuals, scattered over our hills and plains, all of a common descent, and producing other individuals of their own kind from their seed. The innumerable multitudes of individual plants which clothe the earth, are, so far as known, comprehended in about 80,000 species. 51. To this law of resemblance in plants of a common origin, there are some apparent exceptions. Individuals from the same parent often bear flowers diflering in color, or fruit differing in flavor, or leaves differing in form. Such differences are caUed varieties. Tliey are never permanent, but exhibit a constant tendency to revert to their original type. a. Varieties occur chiefly in cultivated species, as the apple, potatoe, tulip, Geranium, &c., occasioned by the different circumstances of soil, climate, and culture, to which t'-ey a^p subjected. But they continue distinct only until left to multiply spontaneously rrom seed, in their own proper soil. 52 A Genus is an assemblage of species, with more points of agreement than of difference, and more closely resembling each other than they resemble any species of other groups. 28 THE FLOWER. a. For example, the genus Trifolium includes the species T. repem, T. pratense, &c., agreeing in structure and aspect so obviously, that the most hasty observer would notice their relationship. Also in the genus Pinus, no one would hesitate to include the white pine and the pitch pine (P. strobus and P. rigida), any more than he would fail to observe their diiferences. b. Thus, the whole vegetable kingdom is, by the most obvious characters, distributed into species, and the species, by taily nat- ural afiinities, grouped into genera. These divisions constitute the basis of all the systems of classification in use, whether by natural or artificial methods. :((: * ^ To the admirer of nature, flowers are among the first subjects of atten- tion, as mere objects of taste. They are conspicuous for their superior beauty, even in the vegetable kingdom, where all is beautiful. Yet, as objects of science, they merit a stiU higher regard, whether we consider the Creative skill displayed in their construction, or their important agency in the reproduction of the plant. But, to the practical botanist, an intimate knowledge of their organic structure is one of \as, first requisites, on account of the indispensable use of the floral organs in classification. CHAPTER IV. THE FLOWER. }1. OF ITS PARTS, AND THEIR ARRANGEMENT. 53. A FLOWER may consist of the following members : — 1. The FLORAL ENVELOPES, Called, collectively, the perianth, {nsqi, around, av&oc, a flower) ; 2. The stamens ; 3. The pistils ; and, 4. The receptacle, or torus. a. Of these, only the stamens and pistils are regarded in science as essential parts. These, together with the receptacle, are said to constitute a perfect flower^ even when one or all other parts are wanting ; because these two organs alone are sufficient for the perfection of the seed. In a popular sense, however, a per- fect flower must jiossess all the organs above mentioned. b. If the stamens or tlie pistils, either or both, be wanting, the floAver is said to be imperfect. An imperfect flower is either sterile, having stamens only, or fertile, having pistils only, or neutral, having neither organs complete. PISTILS. 29 4 3 1 2 FIG. 4. — No. 1, Lily (Liliutn Japonicum) ; 2, pink (Dianihus); 3, a stamen ; 4, a pistil. 54. The FLORAL envelopes, or perianth, consist of one or more circles or tchorls of leaves, surrounding the stamens. The outer of these whorls is called the calyx, and the other, if there be any, the corolla. The calyx may, therefore, exist without the corolla, but the corolla cannot exist without the calyx. If nei- ther of them exist, the flower is said to be naked, or achlamyde- ous («, privative, and x^afivg, a cloak). 55. The CALYX (>f«Ai;|, a cup), therefore, is the external en- velope, the Clip, of the flower, consisting of a whorl of leaves, with their edges distinct or united, usually gi-een, but sometimes highly colored. The calyx-leaves are called sepals. 56. The COROLLA (Lat. corolla, diminutive of corona, crown) is the interior envelope of the floAver, consisting of one or more circles of leaves, either distinct, or united by their edges, usually of some other color than green, and of a more dehcate structure than the cal}'x. Its leaves are called petals 57. The stamens are those thread-hke organs, situated just within the perianth and around the pistils. Their number varies from one to a hundred, but the most common number is five. Their office is, the fertihzation of the seed. They are collectively called the androscium (ocvdgeg,* stamens, oixog, a house). * The plural of «v«^, a man, a term applied to the stamen, by Linnaeus, in accordance with his favorite theory of the sexes of plants. Tlie terra ywx, woman, is. on the same grounds, applied to the pistil 30 THE FLOWER. 58. The PISTILS occupy the centre of the flower. Tliey are sometimes mimerous, but often only one. They are destined to bear the seed. Collectively, they are called gynoRcium {yvvrj, pistil, oixog, a house). 59. The RECEPTACLE is the summit of the flower-stalk, out of which the floral organs gi'ow, and upon which they stand in concentric whorls, the gyncecium in the centre, the andrcecium. encircling it, the corolla next without, and the calyx embracing the whole. 60. The principal parts of the flower are shown in the cuts (Figs. 4, 6, 7, &c.), or better by specimens, with which, both here and throughout the xvork, the student should always be provided. The slender, thread-like organs seen at a (Fig. 4, No. 1 ), are the stamens, sur- rounding the pistil b; cis the perianth, consisting of two similar Avhorls, the outer one a calyx of three sepals, the inner a corolla of three petals, suiTounding or enveloping the stamens and pistil ; at rf is the receptacle. At a (No. 2) is the inner envelope, the corolla ; at 6 is the outer envelope, the calyx or cup, which seems to contain the rest of the flower like a cup ; at c, below the calyx, are certain leafy appendages called bracteoles or bracts. a. Let the pupil compare specimens of these and other flowers, whose parts are well developed, until he becomes familiar ^vith the appearance of each organ, and can instantly apply its name. 61. A complete and regular flower, therefore, is made up of four sets of organs, aiTanged in concentric whorls. In regard to the number and position of the individual organs composing these whorls, it is important to observe, a. First, that each set consists, theoretically, of the same num- ber of organs, that is, if the sepals be 5, there should be 5 petals, 5 stamens, and 5 pistils ; or, if 3 sepals, there should be 3 petals, 3 stamens, and 3 pistils, &c. b. Secondly, the position of the organs in each set alternates with those of each adjacent set, that is, the sepals alternate with the petals, the petals with the stamens, and the stamens with the pistils. c. Thus, in a word, the normal structure of the truly symmetrical flower, divested of all irregularities, consists of four concentric whorls of organs, the organs of each whorl being equal in number, and alternate in position with those of the other whorls (Fig. 5; 1). This structural arrangement, as will hereafter be seen, exactly coincides with that of the leafy branch, agreeably to the beautiful ITS NORMAL STRUCTURE. 31 theory of the ' transformation of tlie leaves into the floral organs,' * to which allu- sion has already been made (§ 25). Wien the hnd is developed into a branch, instead of a flower, the leaves are usually an-anged in a simple spiral line. This spire may be broken up into equal circles or whorls, from causes to be hereafter explained. In either case the leaves of one spire, or circle, do not issue from the stem at points exactly over the leaves of the next circle below, but over the inter- vals between them. 62. This simple nomial structui'e of the flower is, however, subject to many apparent exceptions, so that few, comparatively, are found perfectly conformable to it. Of these few the order Linaceae affords good examples. In the flax (Linuni) the flower is built upon the normal plan, consisting of 5 sepals, 5 petals, 5 stamens, and 5 pistils (each with 5 double cai-pels), all alternating with each other, according to the diagram (Fig. 5;1). FIG. 3. — Plan of flowers; 1, o/a regular and symmetrical flower, as the flax (Linum); 2, of the cherry, showing the four whorls of stamens ; 3, of the primrose, showing the position of the suppressed row of stamens ; 4, of the Samolus, showing the position of the 5 abortive stamens ; 5, of a labiate flower, as the hemp-nettle (Galeopsis), where one stamen and one carpel is wanting ; 6, of a cruciform flower, as mustard, where the stamens are in two whorls, two of those in the outer whorl and two carpels being suppressed. 63. If, with this adopted standard, we compare the numerous • This theory was first suggested by Linneeus, the founder of Systematic Botany, and sub- sequently by Wolff" and Goethe. After having been long unheeded by botanists, it has at length been revived by modern \vriters of the highest merit, and shown to be perfectly coin- cident with facts. ' The adoption of this theory, accordingly, has given a new aspect to botany, and rendered it one of the most philo.sophical and inductive of the natural sciences.' See Gray's Bot. Text-Book, Chap VIII, where this theory is clearly stated, and richly illus- trated. 3S' THE FLOWER. forms of floral structure which occur, we shall be able to trace out the features of the general plan, even among the ■wddest de- viations, and to learn the nature and causes of these deviations. Some of them are the follo\ving. a. One or more additional whorls of the same organ may have been developed. For example, the flower of the Trillium, which, as in most liliaceous plants, is trim- erous (Tguf, three, and /ui^o;, part) in its parts, has 6 stamens, evidently in two whorls, and in the flower of the cherry (No. 2,) there are 20 stamens, which may be regarded as arranged in foiir whorls of fives. Other illustrations will occur to the student. b. Some of the entire whorls may have been suppressed. For example, in the primrose there are 5 sepals, 5 petals, and 5 stamens, but the stamens are placed opposite the petals. This is to be attributed to the absence of an intermediate whorl of stamens, for in the Samolus, a plant of the same natural order, there is a circle of sterile filaments in the place of the absent stamens (Fig. 5; 3, 4). c. So7ne of the parts of a whorl may have been suppressed. Such deficiencies aro very common. In the sage, for example, and Monarda, three of the stamens are wanting, in place of which are two rudimentary filaments, and the third rudiment makes its appearance in some allied genera. In most of the Labiatse but one stamen is wanting (Fig. 5 ; 5). In the caiTOt, caraway, and all the Umbelliferse, the pistils are reduced from 5, the normal number, to 2. d. The parts of the same whorl may have been united. Thus the sepals may be united at their edges in diflferent degrees, as in the phlox, pink, &c. Or the petals may be thus united, as in the morning glory : or the stamens, as in the mallows tribe ; or the pistils, which is extremely common. In short, scarcely a flower can be found in which some of these cohesions do not occur. e. The organs of different xvhorls may have been conjoined., catising great disturb- ances in the symmetry of the flower. The calyx often, as in the cun-ant, coheres ^vith the whole surface of the ovarium (97), only becoming free at the summit, so that it seems to stand upon it. It is then said (but improperly) to be superior. Again, the stamens adhere to the petals in then* lower part, so as to appear to grow out of them ; they are then said (improperly) to be inserted into the corolla. In the Orchis tribe the stamens are consoUdated with the pistil. The term free is used in opposition to these adhesions, just as the term distinct is used in oppo- sition to the cohesion of the same organs with each other. f. The organs of the same whorl may have been imtquaUy developed. This is the case in the corollas of the pea and bean tribes, called papilionaceous (Lat. papilio, a butterfly), and in those of the mint tribe called labiate (Lat. labium, a lip). g. Again, organs of one kind may have been reconverted into those of another kind, or into leaves. Such monstrosities are of frequent occurrence among cultivated plants, and may be regarded as proofs of the present doctrine of the floral struc- ture. In all double flowers, as the rose, peony, tulip, &c., the stamens have been reconverted into petals. By still further changes, all paiis of the flower tend towards a leafy character, rendering the resemblance of the flower to an undevel- ITS NORMAL STRUCTURE. 33 oped branch ven- obvious. Nay, in some cases, the whole flower-bud, after having given ft slight indication of a floral character, is transformed into a leafy branch, showing that all parts of the flower are formed out of the same elements as the leaves. h. Sometimes the flower-stalk is not efiectually checked in its growth by the development of the flower, but is prolonged through it, and produces secondary flowers in the midst of the organs of the first. This is not unfrequent in the rose. Several instances of these malformations are exhibited below. (Fig. 6.) k. This mode of studying the floral structure is deeply interesting and instruc- tive, but our limits will not permit us to dwell upon it, nor is it necessary. The intelligent student will be able to extend the above illustrations by an examina- tion of almost any flower, with reference to its deviations from the normal plan. FIG. 0. — 1, From Lindley, — a flower of white clover, reverting to a leafy branch ; 2, liern drawn from a living specimen, — a tulip, 6, a leaf arising from the peduncle, takes the posi- tion, form, and color (in pan) of a sepal j 3, here drawn from a living specimen, — a rose (R. dmmascena) %vith the axis prolonged into secondary rose-buds. #*^^ In our detailed description of the flower, we shall commence with those organs which are deemed essential, their mysterious agency being indispensable to the perfection of the seed. 34 THE FiOWER. CHAPTER V. THE FLO WEE. { 2. OF THE STAMENS, AND THE ARTIFICIAL CLASSES. 64. The stamens and pistils are situated within the floral envelopes, and since one or both are always present, in every species, at least, of the Phsenogamous plants, they were seized upon by Linnaeus* as the basis of his beautiful arrangement, called the Artificial System. FIG. 7. — Forms of stamens, anthers, pollen, &c. 1. Stamens and pistil of a flower (Rho- dodendron Lapponicura), in their natural position ; a, stigma, 6, anthers, c, style, d, filaments, «, ovary, /, calyx and receptacle ; 2, stamen of ginger ; 3, sage ; 4, Berberis ; 5, Vaccinium amoenum, with the terminal pores; 6, cucumber, wilh the sinuous lobes of the anther; 7, Polygonum ; 8, Lemna, anther bursting vertically ; 9, lily ; 10 Magnolia ; 17, a four-celled anther; 18, anther of Alchemilla, bursting transversely. Nos. 11, 12, 13, 14, 15, 16, various (magnified) forms of pollen-grains. * Carl Von Linn6, or Linnceus, the most eminent of naturalists, was the son of a clergy- man, born in 1707, at Rhceshult, in the province of Smaland, Sweden. In his 24lh year, v/hile a member of the University of Upsal, he conceived the idea of that system of plants ^vhich bears his name. In 1741 he became professor of medicine in the same University, and in 1761, on account of his great literary attainments, was elevated to the rank of nobility. He died in 1778. To him the natural sciences are under incalculable obligations, all of which he classified and arranged anew. But the science of botany, especially, is indebted to him for those discoveries and classifications, which have, more than any others, contri- buted to its general diffusion. In his ' immortal work,' Species Plantarum, he enriched the language of botany by a new nomenclature of species, and many new terms in the tech- nology of plants, for their more accurate description. POLLEN. 35 65. The STAMENS are those thread-like organs, seen in the midst of the flower, situated around the pistils and within the corolla, or the calj-^x, constituting the andnrcium. C6. The stamen (Fig. 4, No. 3) consists of three distmct parts; namely, the filament, a; the anther, h; and the pollen, c. The filament is sometimes wanting, the two latter are essen- tial. 67. Tlie FILAMENT (Lat. filum, a thread) is the stem, sup- porting the anther at or near its top, and is analogous to the stem of a leaf, or to the claw of a petal. When it is wanting, the anther, like a leaf or a petal in a similar case, is said to be sessile. 68. The ANTHER is generally situated at the summit of the filament, and is composed of two parallel lobes or cells, con- nected to each other and to the filament by the connectile. It is analogous to the blade of the leaf, each half blade being trans- fomied into a lobe, and the midrib into the connectile. a. Each cell of the anther usually opens by a longitudinal fissure, called the dehiscence, but sometimes, as in the potato, Pyrola, &c. by an aperture (pore) at the summit. In the Polygala, mallow, &c. the two cells are reduced to one. b. The connectile is usually a mere prolongation of the filament tenninating, not at the base, but at the summit of the anthers. In some cases it is prolonged above them, into a sort of appendage, as in the violet, silk-weed, &c. c. The anther is sometimes wanting, and the filament in such cases cannot constitute a stamen, but is said to be abortive, or sterile. 09. In regard to the modes of attachment between the anther and the filament, we find the following variations ; the anthers are said to be, 1. Lmate, when they are attached to the filament by the base of the connectile. 2. Adnate, when they are attached to the filament by then- back, so as to appear lateral ; as in the Anemone, water-Uly. 3. Versatile, when fixed by a single point to the connectile, from which they lighth' swing ; as in the grasses. 4. When the anthers are attached to the inside of the filament, or connectile, so that the line of dehiscence faces the pistils, they are called introrse (tumed inward). But when they are attached to the outside of the connectile, so that the dehiscence faces the petals, they are called extrorse (turned outward). Examples of the foi-raer are seen in the violet ; of the latter in the larkspur. These distinc- tions are of importance, as will hereafter be seen. 70. The POLLEN is, in appearance, a small, yellow dust, con- tained in the cells of the anther. When viewed with a micro- scope, it appears to consist of grains (granules) of various forms, 4 36 THE FLOWER. usually spherical, but in some plants cubical, in others tiiangu- lar, in others stiU, polygonal, &;c., always being of the same form in the same species. (Fig. 7.) a. Each grain of pollen has been ascertained to consist of a membranous sack containing a fluid. In this fluid are suspended molecules of inconceivable minuteness, possessed of a tremulous motion. Wlien the membrane is exposed to moisture, it swells and bursts, discharging its contents. (Fig. 12.) 71. Physiological structure. The filament consists of a bundle of delicate Hgneous tissue, with spiral vessels, surrounded by cellular tissue, the same tissues which compose the stem of the leaf (260). The same tissues have also been traced into the connectile. The anther consists almost wholly of cellular tissue, coiTesponding to the fleshy substance (parenchyma) of the leaf. The pollen consists of disintegrated bladders of the same tissue. 72. Theoretical structure. Thus it is e\'ident, as we have already seen, that however much the stamen may differ in aspect from a leaf, they both have the same original plan. This is further evident, from the gradual transition of sta- mens into petals, as seen in the water-lily or the double rose. In the former, the process is so gradual that the outer whorls exactly resemble petals, except in having the tops developed into yellow anthers, while in the rose we find organs in every conceivable state of transition from stamens to petals. That the petals are modi- fied leaves, will hereafter be more definitely shown (106). FIG. 8. — Stamens of the water-lily gradually passing into petals. 73. The stamens vary in the different kinds of plants, in re- spect to their number, position, relative length, connection, and presence. Upon these five different conditions of the stamens, the TWENTY-FOUR ARTIFICIAL CLASSES of Liunssus are founded. 74. 1st. Number. The first eleven classes are founded upon the number of the stamens — the stamens being also /ree (63, c), and of equal length. Their names are derived from the Greek numerals combined with ai^Sgeg (57, note), as follows : — Class I, MoNANDRiA {/novog, Solitary,) includes all genera (52) of plants with one stamen to each flower. LINNEAN CLASSES. 37 Class II, DiANDRiA (<5t?, twice), with two stamens to each flower. III, Triandria {rgig, tlirice), with tliree stamens. IV, Tetrandria (rexQu, four times), with fom- stamens. V, Pentandria (ttevts, five), with five stamens. VI, Hexandria (e's, six), with six stamens. VII, Heptandria (ema, seven), with seven stamens. VIII, OcTANDRiA (oxTw, eight), with eight stamens. IX, Enneandria (evvect, nine), with nine stamens. X, Decandria (dsHu, ten), with ten stamens. XI, DoDECANDRiA (Swdexa, twclve), with twelve stamens. 2d. Position. The next two classes depend upon the posi- tion of the stamens, — the stamens being free and equal. XII, IcosANDRiA (eixoai, twenty), includes those genera of plants wluch have twenty or more stamens to the flower, seated on the calyx (perigynous). XIII, PoLYANDRiA {noXvg, many), twenty or more stamens, seated on the receptacle (hypogynous). 3d. Relative length. The two following classes are founded upon the relative length of the stamens, together with their number. XIV, DiDYNAMiA (Sig, twice, Sva), two, vjj/itu, a filament), includes plants with four stamens, of which two are long, and two are short. XV, Tetradynamia (tet^k, four times, dvo), vrj/ua), with six stamens, of which four are long, and two are short. 4th. Connection. The five succeeding classes depend upon the connection of the stamens, in various ways, XVI, MoNADELPHiA (/uovog, ad6).(pog, a brother), includes plants with the filaments united into one set or fraternity. XVII, DiADELPHiA (dv(o, adelffog), into two sets or fraternities. XVIII, PoLYADELPHiA (nolvg, aSslcfog), into many sets or fra- ternities. XIX, Syngenesia, {aw, together, ysveaig, origin), stamens united by their anthers, into a tube. XX, Gynandria {yvvri, §51, note, «'^'?9)j stamens consoli- dated with the style. 38 THE FLOWER. 5th. Absence. The four remaining classes depend upon the absence of the stamens in a part or all of the flowers of the same species. XXI, MoNCEciA (//oj'oj, otjfoj, an abode), includes plants where the stamens and pistils are in separate flow- ers, on the same individual. XXII, DicEciA {8ig, oiKog), in separate flowers on different individuals. XXIII, PoLYGAMiA (tto^u?, many, yaf^og, marriage), where the stamens and pistils are separate in some flowers, and united in others, either on the same or two or three different plants. XXIV, Cryptogamia [xqvmog, concealed, ya/uog), mcludes those genera of plants where the stamens and pis- tils are wanting, or at least invisible, commonly called Flowerless Plants. (46 — 49.) a. Such are the twenty-four Linnean classes, in which all the genera of the vege- table kingdom are included. Nothing could have been more simple than the first eleven. To distinguish them, we have only to count the stamens. The other classes are founded upon distinctions less simple, though in general easy to be understood. A good specimen flower of each class should here be closely exam- ined, to illustrate the definitions, and fix them in the memory. The following simple figures are emblematic of each class, to which tlie pupil is required to apply the appropriate numbers and names. X -l-^^fe- CARPELS. 39 CHAPTER VI. THE FLOWER. »3. OF THE PISTIL, AND THE ARTIFICIAL ORDERS. FIG. 10. — 1, Pistil of a whortleberry (Vaccinium amoenum) ; 6, the stigma; c, style ; a, tho epif>'nous disk ; «, perpendicular section of the ovary combined with the adherent (superior) calyx ; d, the placenta with the ovules ; 2, the gyncEcium of a flower with 5 pistils, showing the carpels and styles distinct ; 7, cross section of the same ; 3, the carpels united and the styles distinct ; 6, cross section of the same ; 4, both carpels and styles united ; 5, cross section of the same ; 8, leaf of Br>'ophyllum, putting forth buds from its margin ; 9, carpel of the gar- den cherr>-, revening to the form of the leaf; 10, two such carpels ; 11, two perfect carpels. 75. The pistil (or pistils) occupies the centre of the flower, at the termination of the axis. It consists of three parts, the ovary, or genn, a, (Fig. 4.) the style, b, and the stigma, c. Tlie style is sometimes wanting, and the stigma then becomes sessile upon the ovar}^ (See also Figs. 10, 11.) 76. The OVARY (Lat. ovarium, a depository, from ovum, an egg) is the tumid and hollow part of the pistil, situated at its base, contaming the ovules, or young seeds within its cavities, and destined to become the fruit. 77. The ovary is either simple or compound. When com- pound, it consists of two or more lobes or divisions, called CARPELS {ituqnoc, fruit), uuitcd together more or less closely. 4* W THE FLOWER. Sometimes these divisions are very evident, being but slightly connected, while in other cases, all external marks of them dis- appear. When simple, it of course consists of a single carpel. (Fig. 10.) 78. The STYLE is that prolonged columnar part of the ovary, or rather of each carpel, which bears the stigma at its top. The number of the styles, when they are not wanting, always equals the number of carpels : but when the carpels are closely united, the styles may be united also, into a single compound column, or they may even then remain distinct. 79. The STIGMA is the upper portion, or extremity, of the style, extremely various in form, but usually globular. Like the ovary and style, it is either simple or compound. When it is com- pound it consists of as many united lobes as there are carpels. 80. The number of distinct styles (or of stigmas, when the styles are wanting) constitutes the basis of the artificial orders, into wliich the first thirteen classes of Linna;us are subdivided. They are named from the Greek numerals prefixed to the ter- mination gynia, {ywrj, 51, Note,) as follows. Order 1. Monogynia, includes all the genera of plants in either of the first thirteen classes, with one style to the flower. 2. Digynia, with two styles to the flower. 3. Trigynia, with three styles. 4. Tetragynia, with four styles. 5. Pentagynia, with five styles. 6. Hexagynia, with six styles. 7. Heptagynia, with seven styles. 8. Octogynia, with eight styles. 9. Enneagynia, with nine styles. 10. Decagynia, with ten styles. 11. Dodecagynia, with eleven or twelve styles. 12. Polygynia, with more than twelve styles.* •The orders of the remaining classes are founded upon characters not depend- ing upon the pistil, and are as follows : — The orders of class 14, Didynamia, are only two ; 1. Gymnospennia, witli seeds apparently naked. 2. Angiospermia, with seeds evidently in a seed-vessel, or pericarp. THEORETICAL STRUCTURE. 41 81. The OVULES are certain little globular bodies, produced in the cells of the ovary, destined to become the seeds in the matured fruit. (Fig. 10; 1.) 82. The PLACENTA is that part of the ovary from which the ovules arise, and to which they are attached. It consists of a hne, or fleshy ridge, placed in some angle of the cell. Its direc- tion is always vertical, that is, parallel with the axis of growth. (Fig. 10; 1, d.) 83. Pkysiological structure. The ovary and style are com- posed chiefly of one or more bundles of vascular tissue, imbed- ded in cellular tissue. The stigma consists of a loose cellular substance, called the conducting tissue, communicating with the placenta tbrough the centre of the style. It is the only part of the ascending axis which is destitute of the epidermis (35). 84. Theoretical structure. The pistil, as before stated (25, a), is the modifica- tion of a leaf, or of a whorl of leaves, each leaf constituting a carpel. Each carpel has its o^vn style and stigma, and is fonned of a leaf folded together in such a way that the upper surface becomes the inner, and is turned towards tho The 15th class, Tetradynamia, is divided into two orders, which are distinguished by the form of the pod : — 1. Siliculosa, the fniit a silicle, or short pod. 2. Siliquosa, fruit a silique, or more or less elongated pod. The orders of the 16th, 17th, ISth, 20th, 21st, and 22d classes are of the same name and character as the lirst 13 classes themselves, that is, they are founded npon the number of the stamens to the flower, thus : — Order 1, Monandria, includes all Jlonadelphous plants, Diadelphous plants, &c. witli one stamen to each flower. 2, Diandria, with two stamens to each flower, and so on. The orders of the 19th class, Syngenesia, are five : — Order 1. Equalis (equal), with the florets (flowers) of the bead all perfect. 2. Supcrflua (superfluous), florets of the rays, or margin of the head pistil- late, the rest perfect. 3. Frustranea (frustrated), florets of the margin neutral, the rest perfect. 4. Necessaria (necessary), florets of the margin pistillate and fertile, the rest staminate and sterile. 5. Segregata (separated), each floret having its own proper calyx. The orders of class 23d, Polygamia, are two, founded upon the same characters as the two preceding classes : — 1. Monoecia, where both separated and perfect flowers are found in the same indi\'idual. 2. Direcia, where the different flowers occupy different individuals. The orders of class 24th, Cryptogamia, are nine, the same as the natural orders of this grand division, as FiUces, the ferns, Mitsci, the mosses, &c 48 THE FLOWER. axis, while the lower surface becomes the outer. By this arrangement the two edges of the carpel often appear like sutures (Lat. sutura, a seam), of which the outer, formed by the midvein, is called the dorsal, and the inner, formed by the united margins, the ventral. a. This view of the pistil is remarkably confirmed and illustrated by the flowers of the double cherry, where the pistil may be seen in every degree of transition, reverting towards the form of the leaf. This carpellary kqf {Yig. 10 ; 9) stands in the place of the pistil, having the edges infolded towards each other, the midvein greatly prolonged, and a little dilated at the apex. b. If this be compared with the pistil of the cherry, seen in the figure, no doubt can be entertained that the two sides of the leaf correspond to the walls of the ovary, the margins to the ventral suture, the midvein to the dorsal suture, and the lengthened summit of the leaf to the style and stigma. Sometimes the flower contains two such leaves, which always present their concave faces towards each other, as seen in the figure. This corresponds with the position of the true carpels, in which the ventral sutures of each are contiguous. c. Many other plants, as the rose. Anemone, Ranunculus, &c. exhibit similar transformations of the pistil, so that there can be no doubt that the carpel is formed upon the same plan in all plants. The ovary, there/ore, is the blade of a leaf; the style, the lengthened apex ; and the stigma, a thickened and denuded vortion of the upper margin of the leaf. 85. From this doctrine of the structure of the single carpel, the student will be able and expected to demonstrate many propositions like the following. a. First. A compound ovary consists of a whorl of carpellary leaves, their united edges all meeting in the centre, and the cohering sides forming a kind of radiation from it (Fig. 9). h. Second. There must be as many cells as there are carpels. c. Third. The partitions between the cells, that is, the dis- sepiments {dissepio, to separate,) must each be double; they must be vertical ; they must be equal in number to the carpels, and alternate with the stigma, which is also double. d. Again, the single carpel can have no tnte dissepiment. If any ever occur, it is regarded as an anomaly, and called spurious. Ex. flax (Fig. 11). 86. These propositions are true only when each carpellary leaf appears in its normal condition, that is, with its two edges mutually united. But cases occur where only the margins of adjacent leaves are united (Fig. 11 ; 1, 2, 3). In this case there will be no dissepiments, and the compound ovary will, of course, become one-celled. Ex. Primula, Gentiana. OVULES. 43 87. The placentas are developed at each of the two edges of the carpellary leaf If these edges be in their normal condi- tions, that is, united, there will be apparently but one placenta to the carpel, and that central. But if the edges be separate, there will necessarily be two placent^e to each carpel, the one to the right and the other to the left of the dorsal suture and style. They are then said to be parietal {paries, a wall). FIG. 11. — 1, Cross section of a one-celled, three-carpelled ovary with parietal placentas, the dissepiments partially obliterated ; 2, dissepiments wholly obliterated; 3, dissepiments obliterated, showing a free central placenta ; 4, a five-celled ovary with 5 false dissepiments, as in the flax; 5, vertical section of an ovary with parietal placentoE ; 6, with free central pla- centae ; 7, an amphitropous ovule ; 8, vertical section of the same ; a, funiculus ; 6, raphe ; c, chalaza ; vith no coty- ledon. 129. A few plants, as the onion, orange, Conifera;, &c., occasionally have two or even several embr}-os in a seed, while all the Crtptogamia, or flowerless plants, have no embryo at all, nor even seeds, but are reproduced from spores, (48) bodies analogous to the pollen grains of flowering plants. 60 THE FRUIT. §3. OF GERMINATION. - . "130. The embryo is the most important part of the seed. It is to the protec- tion and nourishment of this alone, that all other parts of the seed, and even of the whole plant, are subservient, and if this be injm-ed or destroyed, the ultimate object of the whole vegetable economy would seem to be defeated. a. Germination is a term denoting the first stages of vital action in the seed ; the process is briefly described as follows : 131. When the seed is planted in a moist soil, at a moderate temperature, the integuments gradually absorb water, soften, and expand. The water is decomposed, its oxygen combines Avith the carbon of the starch which had been stored up in the tissues, carbonic acid is evolved, and the starch, at lengh con- verted into sugar for the nourishment of the embryo, which now begins to dilate and develope its parts. Soon the integuments burst, the radicle descends, seeking the damp and dark bosom of the earth, and the plumule arises, with expanding leaves, to the air and the light.* (See Fig. 19, explanations.) 132. As to the cotyledons, they either remain under ground at the centre of motion, as in all Monocotyledonous plants and in the oak, or, as in almost all Dicotyledonous plants, they arise above the surface with the ascendiaig axis, become green, and perform the functions of digestion and respiration, like leaves, for the nourishment of the young plant. 133. The conditions requisite for the germination of the seed are heat, moisture, oxygen, and darkness. a. Heat is a requisite condition of all vital actions, as well in the sprouting of a seed as in the hatching of an egg, and if it be not supplied from a source within, * The phenomena of germination, in all its stages, may be observed in an interesting ex- periment. Let a few seeds, as of the flax or the pea, be enveloped in a lock of cotton, float- ing upon water in a bulb-glass. In a few days, the plumule ascends in its genial air, while the radicle shoots downwards in long silky fibres. The ascent of the plumule in a direction contrary to gravity is a law in vegetation, as uni- versal as the law of attraction in matter, and no less diflicult to explain. From the two following experiments, it would seem to result both from the influence of the light and the law of gravitation. Professor Shultz planted some seeds of cabbage, mustard, and beans, in moss, and so arranged them that the only light which they could receive was from a mirror, reflecting the solar rays upwards ; they sent their stems downwards, and their roots upwards. Mr. Knight placed vessels, containing earth with germinating seeds, upon the circumfer- ence of a large horizontal wheel, which was kept constantly and rapidly revolving for seve- ral days. The seeds grew, but instead of ascending perpendicularly, the axis of each plant was inclined at an angle of 45°, or more, towards the centre of the wheel, in accordance with the combined action of the centrifugal force of the wheel, and the attraction of the earth. DISSEMINATION OF SEUDS. jftl must be obtained from without. Ditl'eient degreos of heat are required by dif- ferent plants, but a temperatui-c from 50° to 80' is most favorable to those of the temperate zones. Such is the genial warmth supplied by tlie sun. b. Water is also requisite for softening the integuments, and for dissolving the drj- nutriment stored up in the albimien, or tlie cotyledons. This is supplied in showers of rain and dew. c. Oxygen is requisite, as seen above, for the conversion of starch into sugar ; a process always depending upon the formation and evolution of carbonic acid, as well in the seed as in the laboratory of the chemist. This is suppUed by the water and by the air. d. And, finally, darkness is fiivorablo, because it is through the influence of light, as ^nll hereafter be shown, that plants absorb carbonic acid from the air, decompose it, retain the carbonic acid, and give back the oxygen only. Light would tlicrcfore tend to increase the quantity of carbon, rather than diminish it. Hence die seed should be buried in the soil. 134. The ripened seeds of most plants have the power of retaining their vitality for many years, if they are placed in circumstances which vnW neither cause them to germinate nor decay, such as a low or moderate temperature, with the absence of moisture. Thus the seeds of maize have been known to grow when 30 years old, rye 40 years, kidney beans 100 years, and tlie raspbeiTy and beach plum after many centmies.* ,, ,,.j , ■i-: y.UUTJKxt 'ih §4. THE DISSEMINATION OF SEEDS 135. Is a subject liighly curious and interesting ; and when attentively consid- ered, serves, like a thousand other cases in the works of Nature, to illustrate the ^\•isdom and design of its great Author. By means of the coma, or pappus, already described, the seeds of the thistle, dandelion, and numerous other plants, are wafted by winds to considerable distances, across rivers, mountains, and even the ocean itself. The Erigeron Canadmse, a weed now common on both sides the Atlantic, was supposed by Linnaeus to have been transported to Eui-ope from Canada, of wliich country it is native. a. Seeds are also furnished with wings for the same purpose. Others are pro- vided with hooks, or beards, by which they lay hold of men or animals, and are thus scattered far and mde. b. Some seeds, as the Impatiens, which are destitute of all such appendages, are throAvn to some distance by the bursting of the elastic pericarp. Rivers, streams, and the currents of the ocean, are all means of transporting seeds from country to * No instance of the longevity of seeds is more remarkable than that related by Dr. Lindley. ' I have before me,' says he, ' three plants of raspberries, raised from seeds which were taken from the stomach of a man whose skeleton was found 30 feet below the surface of the earth. lie had been buried with some coins of the emperor Hadrian, and it is therefore probable that the seeds were 1600 or 1700 years old.' Several years ago, in the State of Maine, about 40 miles from the sea, some men, in dig- ging a well, threw up some sand from a remarkable layer, about 20 feet below the surface, and placed it by itself A year or two afterwards several shrubs sprung up from this sand, grew, produced fruit, and proved to be Uie beach-plum. -i.um^i, cjOOj iiiii ,iiav6-ii«t)j-' 62 THE ROOT. country. Thus, the cocoa, and the cashew-nut, and the seeds of the mahogany, have heen known to perfonn long voyages, without injui-y to their \-itality. Squir- rels, laying up their winter stores in the earth, birds, migrating from cUme to clime, and from island to island, in like manner conspire to eifect the same im- portant end. CHAPTER X. THE ROOT. 136. The koot is the basis of the plant, and the principal source of its nourisliment. It originates with the radicle of the seed ; the tendency of its growth is downwards, and it is gener- ally immersed in the soil. a. When the radicle has hurst the integuments of the seed, and penetrated the soil, its body becomes divided into branches, or fibres; each of these is again divided and sub-divided into fibres, often exceedingly numerous and minute, ever extending and multiplying, until the vegetable has attained its full gi-owth. 137. The prone direction of the root is accounted for by the extreme deUcacy of the fibres, which renders them averse to the ah- and light, by their avidity for moisture, and by the cff'ects of gravitation. a. Although the primary direction of the roots is downward, they are not kno\vn to extend to any great depth. After having descended to a certain dis- tance beneath the surface, they extend themselves horizontally, keeping at about a uniform depth, however great the iiregularities of the surface. 138. The number and extent of the roots must always coiTcspond to the demands of the vegetable, both for affording it nourishment, and for maintaining it in its erect position. It follows, therefore, that for every expanding leaf, or extending t^^^g, there must be a con-esponding increment of the roots and fibres beneath the soil. 139. Eoots are generally distinguished from stems by their downward direction, by the presence of absorbing fibres, by the constantly irregular arrangement of their branches, and by the absence of buds, stomata, and pith. 140. To all these characteristics there arc, howevei-, exceptions. Thus, buds in peculiar circumstances, are developed by the roots, sending up shoots, or suckers, around the parent stem. This does not happen in the natural or healthy state of the plant, but only when the life of the upper axis is partially or wholly destroyed, the roots remaining in full vigor, and elaborating more nourishment SPONGIOSES. 63 than there is now demand for. Such buds are, therefore, merely adventitious. On this account it would seem that those roots, commonly so called, which do naturally and uniformly produce buds, are with propriety described by modem writers as subterranean stems; as the root-stalk of the sweet flag (Calamus), the 6i ^liii-' .0 141. The summit of the root, or that part which connects it to the ascending axis, is designated as the collum, or neck. a. Strictly speaking, this is the only stationary part of the plant. Occupying the centre of motion between the ascending and descending axis, every enlarge- ment that takes place upon its upper surface arises into the ah-, while all below it descends into the earth. 142. The parts of the root wliich require especial notice, are the caudex, fibrils, and spongioles. a. The caudex (stock) is the main body of the root. ■'^" b. The FIBRILS are the finer branches of the root, sent off from the caudex. These are the true roots. c. The SPONGIOLES are the tender and delicate extremities of the fibrils ; and, since the latter lengthen only by accretions made to these exti'emities, these are their growing points. 143. The form of the root is much diversified in different plants, but the principal varieties which have received distinct- ive names, are the following : — • 144. iJamose (branching). This root consists of ramifications sent off from the main root, like the branches of a tree, but in no determinate order. Such are the roots of most trees aiid sln-ubs. (Fig. 20.) ,f\fi ggxf: o.j:tx9 -iovjol orft lodl ior^ a. There is a strong analogy between the roots of a tree and its branches. In many instances they may be made to perform, each the functions of the other ; that is, the tree may be inverted, and the branches will become roots and the roots put forth leaves like the branches. The willow and the maple may be thus inverted without injuring their \4tality. b. A branch may often be made to put forth roots instead of leaves. If a branch (offset) of the willow or cuiTant (Eibes) be inserted into the ground, cither by the lower or the upper end, or by both at once, it mil take root and flourish. Other trees, as the mulbeny (Morns) may be multiplied by layers. A branch is bent and inserted into the ground by the apex. When it has taken root it is severed from the parent stock, and becomes a perfect tree. r. The roots of a tree extend in all directions, and to considerable distances. This distance is at least equal to the extent of the branches, and often much greater. Those of tlie elm embrace an area of 300 feet diameter, of the poplar, 6* 64 THE ROOT. 400. Forest trees, being less exposed to the assaults of the wind, are much less fiiinly rooted than those in open situations. 145. Fusiform (spindle-shaped). It consists of a thick, fleshy caudex, tapering downwards, and also, for a short space, np- wards. It sends off' from the sides and extremity, tlnread-lilce fibrils, which are in fact its true roots, since they alone absorb nonrishment from the ground. Ex. parsnip, radish. FIG. 20.- 10, Orcliis. ■ Forms of the root ; 7, branchuig roots of a tree ; 8, root of Daucus ; 9, Oxalis ; a. When the fusiform root divides into two principal branches, it is said to be forked. "Wlien it tapers from the coUum downwards its whole length, it is called a conical or tap root. But its most remarkable variety is the b. Premorse, in wliich the caudex terminates abruptly below, as if it had been bitten off (prsemorsus). Tliis is due to the fact that the lower extremity perishes after the first year. Ex. Viola pedata, and Scabiosa succisa. c. The napiform (turnip-shaped) root is another variety of the fusiform, where the upper portion swells out, so that the diame- ter is greater than the length. Ex. turnip. 146. The fibrous root consists of numerous tln:ead-hke divis- ions, sent off' directly from the base without any caudex. Such are the roots of most grasses, which multiply their fibres exceed- ingly in a fight sandy soil. a. A fasciculated, root is a variety of the fibrous, Math some of its fibres tluckened, as in the crow-foot (Ranunculus), peony, Dahlia, &c. 147. A tuberous root consists of one or more fleshy knobs, or ROOTS. 65 tumors, situated at the base among the fibres. Ex. Orchis. This root must be distinguished from the tuber, which, hke the potatoe, uniformly bears buds, and is now classed among stems. a. A palmate (hand-shaped) root is a variety of the tuberous, where the knob is separated below into short, thickened pro- cesses, as in some species of the Orchis. b. A gramdated root consists of many small tubercular knobs, connected by fibres, as seen in the common wood sorrel. Some writers call tliis variety tnoniliform (nionile, a necklace). FIG. 21. — Forms of the root ; — 1, Raphanus ; 2, Brassica rapa ; 3, Scabiosa ; 4, Poa ; 5, Pseonia ; 6, Dahlia. 148. All the above forms of fleshy roots appear to be reser- voirs where the superabundant nutriment secreted by the plant, is accumulated and kept in store for the following year, or for the time of flowering. a. To the varieties already mentioned, we may add several others, •which are remarkably distinguished by their not being fixed in the soil. 149. The Jloating root is peculiar to plants which float loosely upon the surface of the water. Ex. Lemna, CalHtriche. The latter, called water starwort, floats upon the surface only until flowering, after wliich it sinks to the bottom, fixes its roots in the mud, and there ripens its seeds. 150. Aerial xoots are those which, instead of originating from portions of the plant beneath the surface of the ground, are pro- duced from some portion in the open air. Of these roots, seve- ral varieties are remarkable. 1st, Tliose wliich are sent forth 66 THE ROOT. firom the joints of creeping or prostrate plants ; as the ground - ivy, and the twin -flower (Linnsea). 2d, The roots of certain erect plants of the endogenous structure, originating from the stem high in air, descending and entering the soil. Of this class the screw-pine (Pandanus) is a remarkable example, whose aerial roots are often several feet in length before reacliing the earth. Such roots, a few inches in length, are also seen in the common maize (Zea). b. A third class of aerial roots is pecuhar to the epiphytes (ent, upon, (pvTov, a plant). These plants are fixed upon the trunk and branches of other species, and derive their nourishment chiefly from the air. Such are tlie long moss (Tillandsia), pen- dent from lofty trees, and many of the Orchidaceas at the south. 4th, The roots o£ parasites are usually aerial. These are not only attached to other vegetables, but, penetrating their tissues, they derive nourishment from their juices. The Cuscuta and Mistletoe are examples. PHYSICAl. STRUCTURE AND FUNCTIONS OF THE ROOT. 151. The internal structure of the root is similar to that of the stem (q. v.), except that there is often a greater proportion of cellular, fleshy matter, as in the beet. In Endogens the root is endogenous, in Exogens it is exogenous, but in the latter case it is always destitute of a pith. 152. Tlie fibrils are in fact but subdivisions of the caudex, or main root. They consist of minute bundles of vasiform tissue (32), enclosed in a loose, cellular epidermis, except at the ex- tremities (35), where the tissue is naked and becomes exceed- ingly loose and spongy. These (spongioles) have the property of powerfully absorbing water. 153. The gi-owth of the root does not take place by the ex- pansion of the parts already formed, but simply by the addition of new matter at the extremities, and by the fonnation of new layers upon the surface. This accounts for the facility with which it penetrates the crevices of the sod, and forces its way into the hardest earth. 154. The most obvious function of the root is the purely mechanical one of fixing the plant in the earth, and maintaining ABSORPTION. 67 its posture. But its peculiar and most important function is ABSORPTION, or drawing from the soil that food and moisture which its growth absolutely requires. a. Let any small growing plant be taken from the earth, and immersed by its roots in a glass of water. If it be then exposed to the light of day, or especially to the sun, the water will disappear from the glas« more rapidly than could be expected from evaporation alone. A plant of spearmint has thus been found to absorb water at the rate of more than twice its own weight per day. The water thus absorbed by the roots is mostly sent off again, or exhaled through the leaves (a process called exhalation), only a small part of it^ together with the salts which it held in solution, being retained for the use of the plant. 155. The activity of absorption must, therefore, depend upon the activity of exhalation; and since the latter is dependent upon the presence of light and heat, it follows that absorption ^vill, in general, be more active by day than by night. 156. The root does not absorb moisture by its whole surface, indiscriminately, but only by the spongioles at the extremities of the fibrils, where the pores are not obstructed by the epider- mis. From the spongioles it is conducted by the vasiform tissue of the fibril to the vessels of the main root, and immediately carried up the stem, and distributed to all parts of the plant. a. If a growing radish be placed in such a position that only the fibres at the end may be immersed in water, the plant will continue to flourish. But if the root be so bent that the fibrils shall be curved up to the leaves, and only the curved body of the root be immersed, the plant ■will soon wither, but ■rtII soon be again re\nvcd, if the fibres be relaxed and again submerged. b. Hence, in transplanting trees, too much care cannot be taken to presence, uninjured, as many as possible of these tender, absorbing fibres. 157. Tlie force \vith which plants absorb fluids by their roots is very great, as is proved by experiment. a. If the stem of a \-ine be cut off when the sap is ascending, and a bladder be tied to the end of the standing part, it wUl in a few days become distended ^vith sap, even to bursting. Dr. Hales contrived to fix a mercurial gauge to a vine thus severed, and found the upward pressure of the sap equal to 26 inches of mercury, or 1.3 lbs. to the square inch. 1 58. The causes of the absorption of fluids, by the roots, have been the subject of much inquiry. It has generally been said to be due to capillary attraction-, but, unfortunately for this theory, there arc no capillary tubes in the vegetable slructui-e, but only closed cells, more or less elongated, through the membranous walls of which the fluids must force their way. There is, however, a phenomenon in Natural Philosophy, discovered by Duti-ochet, which bears so strong a resem- blance to absorption in Physiology, that late writers are generally agreed in ex- plaining the latter by the former. It is, briefly, as follows : a. Let the broad end of a tunnel-shaped glass be firmly covered with a piece of bladder, and the cavity within be filled with a solution of gum or sugar. If now the outer surface of the bladder be immersed in water, a passage of fluid will take place through the membrane into the glass, so that the volume of the solution viill be much increased, while at the same time there will be a current in the opposite direction, the solution ■(vitliin passing into the water without, but in a much smaller quantity. If, on the other hand, the glass be filled with water and immersed in the solution, it will be partly emptied by this action. The principal current is termed endosmose (flowing inwards), and the other exosmose (flow- ing outwards). ■ 159. From the above experiment, and others of a similar nature, it is justly inferred, that the conditions requisite for the action of these two currents are, two fluids of different densities, separated by a porous septum, or partition. Wherever these conditions exist, the current exists also. a. Now these conditions exist in the root. The spongiole is the porous sep- tum; the water around it is one of the fluids, and the other is the fluid ■within, rendered dense by the admixture of the descending sap elaborated by the leaves. Now if the absorption be the endosmose resulting from these conditions, there must be the counter current, the exosmose, also. That this is actually the case, is proved by the fact that the peculiar products of the species may always be detected in the soil about the roots of the plant, and also, that a plant grown in water, always communicates some of its peculiar properties to the fluid in which it is im- mersed. _^ 16Q. The use of absorption in the vegetable economy is not merely th6 intro- duction of so much water into the plant, but to obtain for its growth those min- eral substances held in solution by the water, which constitute an important part of its food. a. Now in accomplishing this object, the roots seem to be endowed with a cer- tain power of selection or choice, which has not been satisfactorily explained. Thus, if wheat be grown in the same soil with the pea, the former will select the silex along with the water which it absorbs, for the construction of the more solid parts of its stem ; while the latter will reject the silex, and appropriate to its use the calcareous matter which the water holds in solution. b. The flowing of the sap from incisions, in early spring, depends upon the excess of absorption over exhalation. After the decay of the leaves in autumn, and the consequent cessation of exhalation, — tiie rootlets, being deep in the ground, below the influence of the frost, continue their action for a time, and an accumu- lation of sap in the vegetable takes place. Also, in early spring, before the leaves are developed, this action recommences, and the plant becomes gorged with sap, so that it will flow from incisions, as in the sugar-maple. But this flowing ceasea as soon as the buds expand into leaves and flowers. oiijiituiiiuq a .iyfarfOii ,ai aiaili .■(tiH jiuiif 3-Jtoi 3sum siiusit oin ihiiivr to cJI«'.v HERB .1 G9 CHAPTER XI. THE STEIkl, OR ASCENDING AXi;^. , , , , ,, ,. , 161. That part of the plant wliich originates with the phim- ule (124, b), and arises above the surface, expanding itself to the influence of the air and the light, is called the ascending AXIS or STEM. a. The cause of its upward tendency is unknown (131, note), but is suppos^^ to be in some way due to the principles of light and gravitation. , 162. Altliough the first direction of the stem's growth is verti- cal, there are many plants in wliich it does not continue so, but extends in an oblique or horizontal direction, either just above the surface of the ground, or just beneath it. When the stem continues to arise in its original direction, it is said to be erect. AVhen it grows horizontally upon the surface, it is said to be prociimbeirt, creejnng, trailing, &c. "When it arises obhquely it is an ascending stem, and when it continues buried beneath the soil it is a suhterratiean stem. '-i a. Ilie subtciTancan stem, and some vaiieties of the creeping, have usually been described as roots. 163. In regard to duration, the stem, hke the root, is said to be annual when it lives but one season, aftenvards dying, at least down to the root, and ])erennial when its existence is con- tinued beyond one season, to an indefinite period of time. 164. In regard to the size and duration of the stem, plants are distinguished into trees, shrubs, and herbs. a. A TREE is a plant with a perennial, woody stem, or trunk, which does not divide into branches for a certain distance above the ground. Ex. elm, palm. h. A SHR.UB is a plant of smaller dimensions than a tree, hav- ing a perennial, woody stem, which divides into branches at or near the ground, like the alder. A shrub of diminished size is termed an under sliriib. Ex. whortlebeny. y„c. An HERB is a plant ^vith aii amiual or perennial rppt, pro^^ .■;i; ./ \mUkA (11 -:i ,f,;\ n iiioii b:il;.'i>:r;oa 70 THE STEM. ducing stems which, above the ground, are of annual duration only, and do not become woody. Ex. the grasses, mullein. 165. The most distinctive property of the stem is the forma- tion and development of buds. At the commencement of its gi'owth, the ascending axis is itself a bud. 166. Buds are of two kinds, namely, the leaf-hud, containing the rudiments of a leafy branch, and the flower-bud, containing the same elements transformed into the organs of a flower, for the purposes of reproduction. 167. The leaf-bud consists of a minute, tender, groivmg point of cellular tissue, originatmg with the pith, surrounded and pro- tected by a covering of imbricated scales and incipient leaves. (Fig. 22; 1.) 168. These scaly envelopes of the bud appear to be the mdimentaiy leaves of the preceding year, formed late in the season, arrested in their development by the frosts and scanty nntriraent, and reduced to a sear and hardened state. If the bud of the maple or horse-chestnut (iEsculus) be examined, when swollen in spring, the student will notice a gradual transition from the outer scales to the evident haves within. a. It is an interesting illustration of designing Wisdom, that buds are furnished "with scales only in wintry climates. In the ton-id zone, or in hot-houses, where the temperature is ec[ualized througli the year, plants develope their buds into foliage immediately after their foi-mation, without clothing them in scales. In annual plants, also, the buds are destitute of scales, not being destined to sm-vive the winter. Hence it is evident that the transformation of ai;tumnal leaves into scales, is a means ordained by the great Author of nature, to protect the young shoots, in their incipient stages, from cold and moisture, — an ofiSce which they effectually fulfil by their numei'ous do\vny folds, and their insoluble coat of resin. * 169. The original bud (plumule) of the embryo is at first developed into a simiiile stem, and being itself continually repro- duced, is always borne at the termination of that stem ; that is, the axis is alicays terminated by a bud. a. Besides this, the axis produces a bud (21, a) in the axil of each leaf, that is, at the point just above the origin of the leaf-stalk. If these axillary buds remain inactive, the stem will still be simple, as in the mullein. In general, however, * In many trees tlie scales of the buds are clothed with a thick down. In others, as in the horse-chestnut, balm of Gilead, and other species of poplar, the buds are covered with a viscid and aromatic resin, resembling; a coat of varnish. A considerable quantity may be separated from a handful of such buds in boiling water. NODE AND INTER.\OUE<. 7i •ome or all of tbeui are tleveloped, forming- leafy divisions of tlie axis, wliieli llius ))ecomes branched. b. Buds are said to be advtntitious when they are neither tenninal nor axillary. Such buds generally result from some unnatural condition of the plant, as maim- ing or disease, and may be foiTiied in the internodes, or upon the roots (140), or from the trunk, or even from the leaves, as in the Bryophyllum. 170. A BRANCH, therefore, is a division of the axis, produced by the development of an axillary bud. 171. A TiiORN, or spine, is a leafless, hardened, pointed, woody process, with which some plants are armed, as if for self- defence. Ex. Crataegus, locust. a. The thorn appears to be an abortive growth of a bud, resulting from the im- perfect develojjment of the growing point only, while its leafy coverings perish. Some plants which naturally produce thorns become thornless by cultivation. In such cases the buds are enabled, by better tillage, to 2:>roduce branches instead of thorns. Ex. apple, pear, goosebeiTy. b. The thorn is distinguished from the piicklc (43) by its woody structure, and its connection with tlie wood of the stem, while the priclde, as of the rose, consists of hardened cellular tissue, connected with the bark only. 172. That point in the stem where the leaf, with its axillaiy bud, is produced, is called the node, and the spaces between them the internodes. a. In the internodes the fibres of the stem are parallel, but at the nodes this order is interrupted in consequence of some of the inner fibres being sent off later- ally into the leaf-stalk, occasioning, more or less, a jointed appearance. Hence, also, each intcrnodc contains fewer fibres, and is of a less diameter than those below it, so that the axis gradually diminishes upwards. 173. Suice the branches arise from axillary buds, their ar- rangement upon the stem will depend upon that of the leaves, which, in all young plants, at least, are arranged with great s^nnmctry and order. 174. It is a general law in the arrangement of the leaves and indeed of all other appendages, tlmt they are disposed spirally, that is, in a line which winds around the axis like the threads of a screw. a. But this an-angcment is often so much disguised by distiu-bing causes that it can scarcely be recognized. The most common modification of it is the circular, which is readily explained. The sjiiral line is fonned by the union of t^vo motions, the circular and the longitudinal. The latter is produced in the grow- ing plant Ijy tlic advancement or lengthening of the axis. Now, if the latter be 7 72 THE STEM. interrupted from any cause, a cii'cular arrangement is the consequence, — an arrangement so conspicuous in the organs of the flower (61, a, b, c), and in the leaves of the Stellatie, and other plants. 175. When a single leaf arises at a node the arrangement is more obviously spiral, and is said to be alternate. When tivo arise at each node they are placed opposite to each other, and at right angles to the adjacent pairs. Wlien three or more arise at each node they are disposed, of course, in a circle, and are said to be verticillate, or whorled. 176. In like manner, the anangement of the branches, when divested of all disturbing causes, is found to be spiral ; that is, alternate in most plants, opposite in the ash, &;c., or verticillate in the pine, &c. FIG. 22. — 1, Buds, terminal and lateral, with their scaly envelopes ; 2, the scaly bulb of the lily, showing its analogy to the bud ; 3, vertical section of the same. a. The ascending axis is exceedingly various in fonn, size, position, and struc- ture, existing in every plant under some one or other of its modifications. It has already been stated, that although its tendency is at first itpwards, it does not always arise above the sm-fitcc. Hence the primary division of this organ into stibteiranean and aerial. 177. The suBTEKKANEAN STEM was deemed a root by the ear- lier botanists, and those plants which possessed such stems only were called acanlescent or stemless, terais still in use, denoting merely the absence of aerial stems. The principal modifica- tions are the bulb, corm, tuber, rhizoma, and creeper. TLliEK. 73 178. The BULB partfikes oi' the nature of the bud. It consists of an oval mass of short, thickened scales, closely compacted in concentric circles and layers, emitting a stem from their midst, and roots from the base or collum (141). a. Bulbs ai"e said to be tunicated when they consist of concentric layers, each entire, and enclosing all within it, as in the Onion. But the more common variety is the scaly bulb, consisting of tliickened concave scales, connected to- gether at the base, as the lily, tulip. b. The bulb is renewed aimually, at the approach of winter, by the develop- ment of new bulbs in the axils of the scales, which increase at the expense of the old. c. Bulblets are small, aerial bulbs, fonncd in the axils of the leaves upon the stem, which, when matured, fiill to the ground, take root, and produce a perfect plant. The tiger-lily (Lihum bulbifcnim) is an example, also several species of the onion. Such plants are termed bulbiferous. FIG. 2-3. — Forms of the stem; — 1, Allium; 2, Arum; 3, Solarium tuberosum; 4, San- guinaria ; 5, a spinous branch. 179. Tlie coRM is the dilated, subterranean base of a stem, resembUng the bulb in form and position, but differing in struc- ture, being composed of a uniform and solid mass, without dis- tinction of layers or scales. It has been improperly called a solid bulb. Ex. Anun, or Lidian turnip. 180. The TUBER, is an annual, tliickened portion of a subter- ranean stem, provided with latent buds (called eyes), from which new plants arise the succeeding year. It is the develop- ment of buds, and the fact of its origin witli the ascending axis, that places the tuber among stems instead of roots. The pota- toe is an example. 74 THE STKM. 181. The RHizoMA, or rootstock, is a prostrate, thickened, rooting stem, either wholly or partially subterranean, often cov- ered with scales, which are the rndiments of leaves, or marked with scars, which indicate the insertion of former leaves, and yearly producing both shoots and roots. Such is the tliickened, horizontal portion of the blood-root ( Sanguinaria), sweet flag (Calamus), and the bramble (Rubus). 1 82. The CEEEPEK differs from the above only in size, consisting of slender branches, exceedingly tenacious of life, extending horizontally in all directions, and to considerable distances beneath the surface, sending out roots and branches at intervals. The -switch-grass (Triticum repens) is an example. Such plants ai'e a sore evil to the garden. They can have no better cultivation than to be torn and cut in pieces by the spade of the angry gardener, since they are thus multiplied as many times as there are fragments. «. Repent stems of this kind are not, however, without their use. They fre- quently abound in loose, sandy soil, which they sei-ve to bind down and secure against the inroads of water, and even of the sea itself Holland is said to owe its very existence to certain repent stems, by which its shores are apparently bound together. Much of the surface of that country is well known to be even below the level of the sea. To protect it fi-om inundation, dikes of earth have been built, vdth immense labor, along the coast. These dikes are overspread with a tliick growth of such plants as the mat-grass, or Arundo arenaria, the Carex are- naria, and the Elymus arenarius, by the innumerable roots and creepers of which they are enabled to resist the wasliing of the waves 183. To AERIAL STEMS belong the following varieties; — caulis, ruiiner, scape, vine, trunk, sucker, offset, and stolon. 184. Caulis (stem) is the term commonly applied to the aerial stems of herbaceous plants, which are annual in duration, and destitute of woody tissue. Caulescent and acaulescent are con- venient terms, denoting, the former the presence, and the latter the absence of the cauhs, or aerial stem. 185. Runner. This is a prostrate, filiform stem, or shoot, ex- tending itself along the surface of the ground, and throwing out roots and leaves at its extremity, which become a new plant, soon putting forth new runners in its tiun. Ex. strawberry. 186. The scape is a stem which springs from the summit of the root, or rootstock, and bears the inflorescence of the plant, but not its foliage. Ex. Sarracenia, daffodil, several species of the Orchis, &c. The fohage of such plants is usually radical, that is, springing from the root or subterranean stem. TRUNK. i^ a. Culm (ndmus) is a tenii by wliich the peculiar stems of the grasses, and similar plants are usually designated in descriptive botany. It seems, howeyer, an unnecessary distinction. 187. Vine. This is a term denoting those stems which, being too weak to stand erect, creep along the ground, or any conven- ient support, and do not throw out roots Hke the runner. The vme sometimes supports itself on other plants, or objects, by means of tendrils, as the gourd, and most of its tribe ( Cucurbita- cese); the grape-vine, &c. Such plants are called cliynhers. a. The tendril is a leafless, thread-like branch ; or an appendage growing out of the petiole of the leaf; or it is the lengthened extremity of the midrib of the leaf. Its first growth is straight, and it remains so until it reaches some object, when it immediately winds and coils itself about it, and thus acquires a firm, though elastic hold. This beautiful appendage is finely exemplified in the Cucurbitaceas and grape, above cited ; also in many species of the pea tribe (Leguminosse), where it is appended to the leaves. 188. The twining vine, or stem, having also a length greatly disproportionate to its diameter, supports itself on other plants or objects, by entwining itself around them, being destitute of tendrils. Thus the hop (Humulus) ascends into the air by foreign aid, and it is a curious fact that the direction of its ■windings is always the same, namely, with the sun, from right to left ; nor can any artificial training cause it to reverse its course. This appears to be a general law among twining plants. Eveiy individual plant of the same species revolves uniformly in one direction although opposite directions may characterize different species. Thus the Convoh^ilus revolves from left to right, against the sun. 189. Trunk. Tliis is the name given to the pecuUar stems of trees. It is tlie central coUum, or axis, which supports their branching tops, and Avithstands the assaults of the wind by means of the great firmness and strength of the woody or ligne- ous tissue in which it abounds. a. The trunk often attains to great dimensions. The white pine (Pinus strobus) of the American forest, with a diameter of 6 or 7 feet, sometimefl attains the height of 1 80, or even 200 feet, with a trunk straight, erect, and yrithout a branch for more than two thirds its length. * •At tlje first establishment of Dartmouth College, there was felled upon the college plain a tree of this species, measuring; 210 feet in length. A Bombax of the South American forests, measured by Humboldt, was 120 feet in height, and 15 in diameter. The Dagon tree an the island of TenerifTe, is said to be 16 feet in diameter. Trees of the genus Adansonia, in Sene- gal and the Cape Verd Islands, have been found of more than 34 feet in diameter. The famous Chestnut tree on IMt. Etna, often mentioned by travellers, is 64 feel in diameter, and consequently near 200 feet circumference. 7* 76 THE STEM. b. In regard to duration, trees differ much, some attaining their growth in a few years and immediately decaying, while on the contraiy, the ordinary age of trees is beyond the age of man, and some outlive many generations, as the oak, pine. * 190. The SUCKER is a branch proceeding from the stem, or root, beneath the surface, producing leaves, &c., and throwing out roots from its own base, becoming an independent plant. Ex. rose, raspberry. 191. An OFFSET is a short, lateral branch, terminated by a cluster of leaves, and capable of taking root when separated from the parent plant. Ex. house-leek (Sempervivum). 192. A STOLON is a branch which proceeds from an elevated part of the stem, and afterwards, descending to the earth, takes root, sends up new shoots, and finally becomes a new plant. It differs from the sucker, in originating above the ground and not below it. FIG. 24. — Forms of ihe stem ; 1, Fragaria; 2, Vitis ; b, tendrils ; 3, cirrhose leafof Pisum ; 4, Pyrola ; 5, sucker. 193. A plurality of stems, or tiTinks, is observed in a few spe- cies of trees growing in tropical regions. The Banyan (Ficus *It is recorded that a live oak, in Louisiana, lived 1000 years ; a sycamore in Palestine, 1050 yearg ; a pine in Asia Minor, 1800 years ; a cedar on Mt. Lebanon, 2120 years, and the great chestnut on Mt. Etna, 2600 years. It is also supposed that there are yet living, in the " garden of Gelhsemane," some of the olives which wimessed our Saviour's passion ; and at Terni, Italy, is an olive plantation supposed to have existed since the age of Pliny. EXOGENS AND EN©OGENS. 77 Indica), and the black Mangrove {Rhizophora mangle) are men- tioned as examples of this singular conformation. a. The former originally arises with a single tnink. From the principal branches, when they have become so widely extended as to need additional sup- port, long, leafless shoots are sent down. When these shoots reach the earth, they take root, and become new trunks, in all respects similar to the first. The branches thus supported still continue to advance, and other tninks to descend, until a single tree becomes a grove or forest. There is, in Hindostan, a tree of this kind, called the Banyan, which is said by travellers to stand upon more than 3000 trunks, and to cover an area of 7 acres. The Mangrove tree is a native of the West Indies. The new trunks of this tree are said to be fonned from the seeds which germinate without becoming detached from the branches, sending down remai-kably long, tapeiing radicles to the eaiih. 5 1. OF THE PHYSIOLOGICAL STRUCTURE OF THE EXOGENOUS STEM, 194. The substance of herbaceous stems is soft and succu- lent, consisting almost wholly of cellular tissue, traversed longi- tudinally by some few bundles (strings) of woody fibre and vascular tissue, wliich diverge from the main stem into the leaves. 19-3. This is essentially the structure of the Jirst year's gi-owth of j^erennial plants also. Cellular tissue constitutes the frame- work of the yearly shoots of the oak, as well as of the annual pea, but in the former it becomes strengthened and consolidated by the deposition of ligneous fibre in subsequent years. a. Plants diff"er in respect to the an-angement of these tibres and vessels, and in the mode of their increase ; on this difference is based that first grand distinction of Phajnogamous plants into Exogens and Endogens, to which allusion has already been made (126 — 7). 196. The division of Exogens (outside growers) includes all the trees and most of the herbaceous plants of temperate cli- mates, and is so named because the additions to the diameter of the stem are made externally to the part ah-eady foraied. 197. The division of Endogens (inside growers), including the grasses, and most bulbous plants of temperate regions, and the palms, canes, &c. of the tropics, is named from the accre- tions of the stem being made within 'the portions already fonned. 19S. Li the exogenous structure, the stem consists of the pith, wood, and bark. 78 THE STEM. 199. The PITH (medulla) occupies the central part of the stem. It consists of a light, spongy mass of cellular tissue, is chiefly abundant in young plants, and appears to be serviceable only in the earher stages of growth. It is then pervaded by fluids ; but as the plant advances in age, it becomes dry, being filled with air only, and much diminished in volume. FIG. 25. — Exogens, — oak, fir, &c. ; Endogens, palm (American), Agave, &c. 200. Liimediately around the pith is foraied the medullary SHEATH, which is a thin, delicate membrane of vascular tissue (33), sending off' a portion of its spiral vessels to the stalk and veins of each leaf This, with the leaves, is the only part of exogenous stems which usually contains spiral vessels. 201. The WOOD is composed of concentric zones, or layers, pervaded and intersected by the medullary rays (204). The first, or inner layer, together with the pith and medullary sheath, is the product of the first year. One new layer is formed each successive year, during the life of the plant ; hence the whole ALBURNUM AND DURAMEN. 79 number of layers, if counted at the base, will correctly indicate the age of the tree. 202. Each woody layer is composed of ligneous librc, vasi- form tissue, and ducts (33,/"). The fust gives strength and solid- ity to the trunk, and determines the direction of the cleavage. a. The ducts are always first formed and lie in the inner part next the centre, while the fibres are produced towards the end of the season, and are deposited in the outer parts of the zone. The former are distinguished by the large size of their open ends, while the woody fibres are more minute and compact. This cir- cumstance renders the limits of each layer distinctly perceptible in a cross section of the stem. FIG. 26. — Sections of wood ; 1, 2, 3, horizontal, 4, 5, vertical. 1, Exogenous stem of one years growth ; a, pith, b, bark, c, medullary rays, rf, woody bundles of fibre and vessels ; 2, stem of three years' growth, a, pith, e, bark, 6, c, rf, successive annual layers ; 4, a, pith, b, spiral vessels of the medullary sheath, c, doited ducts, d, woody fibre, e, bark ; 3, Endogen- ous stem, exhibitiiig the bundles of woody fibre, spiral vessels, and ducts, irregularly disposed in the cellular tissue ; 5, a, cellular tissue, 6, spiral vessels on inner side of c, dotted ducts, d, woody fibre on the exterior side. 6, Laticiferous vessels of the bark. 203. The outer and more recent portion of the layers constitutes the albur- num {albus, white), or sap-wood. This is usually of a softer structure and lighter color than the rest of the wood, and it is through the vessels of these layers alone, that the sap ascends. The interior layers of the alburnum gradually harden by the deposition of solid secretions in their vessels, until they can no longer allow the passage of fluids through them. Thus the dlramln (chtrus, hard), or heart- wood is formed, the texture of which is firm and durable. It is only the dura- men which is useful in the arts. 80 TliE STEM 204. The medullary rays are those fine lines which appear in a cross section of the stem, radiating from the pith to the bark, intersectmg all the intervening layers. They consist of tliin, firm plates of cellnlar tissue ; being, like the pith, the remains of that tissue, wliich at the fu-st constituted the whole of the stem. a. These rays are quite conspicuous in vertical sections of the oak, or the maple, where they are sometimes called the silver grain. 205. The bark is the external covering of the stem, consisting of several integuments, of "which the outer is the epider77iis (35), that next within the cellular integument, and the inner the liher. 206. The structure of the two outer integuments is chiefly cellular, and that of the inner, or liber, is both cellular and woody. The cellular integument is veiy thick in Quercus suber, and constitutes that useful substance cork. The liber (Lat. the inner bark, hence a book, because it was manufactured into parchment) is usually tliin, delicate, and strong, and has been often apphed to useful purposes, as in those trees of Poly- nesia from w^liich cloth, mats, and saUs are made. 207. At the end of the spring a portion of the sap, now transformed into a viscid, glutinous matter called cambium, is deposited between the libtr and the u-ood, becomes organized into cells, and forms a new layer upon each. Soon aftei-wards, the new layers are pervaded by woody tubes and fibres, Avhich com- mence at the leaves and grow do^vnwards. Thus the number of layers formed in the bark and wood will always be equal. a. Since the growth of the bark takes place by internal accretions, it follows that the older layers must be carried outwards and continually expanded. Thus, although smooth and entire at first, they at length become shaggy and rough, with longitudinal furrows and ridges, and finally they are cast off, as in the hem- lock, spruce, walnut, &c. Not unfrcquently, however, the older layers are ex- tended in horizontal grains, or fibres, encii'cling the stem, as in the white birch (Betula papjTacea). 6. The peculiar virtues or qualities of the plant reside in the bark rather than in the wood ; hence this is the part chiefly used for medicine, dyes, tannin, &c. c. That vascular system which is peculiar to the bark, serving for the circula- tion of its fluids, is called the laticiferous tissue (34). It exists in the form of a complete network of vessels, through wliich the sap m'oves in all directions. § 2. FUNCTIONS OF THE STEM. 208. "We have already stated (156) that the stem serves to convey the sap from the roots to the opposite extremities of the plant. KNDOGENOUS STRUCTURE. 9ff 209. That portion of the stem which serves this important purpose is the alburnum (203). Through its ducts and fibres the sap is elevated to tlie leaves, with the vessels of wliich they communicate. Having been there elaborated by exhalation and decomposition into a certain nutritious fluid called latex, it de- scends by the laticiferous tissues of the liber. Of this descend- ing sap a part is earned inward from the bark by the medullary rays, and thus difliised tlnrough the whole stem ; the remainder descends to the roots, and is in the same manner diffused tlirough their substance, both for their nourishment, and for the pm-pose of maintaining the conditions requisite for endosmose (lo9, a). § 3. OF THE ENDOGENOUS STRUCTURE. 210. In the e?idogenovs stem there is no distinction of pith, wood, and bark, nor does a cross-section exliibit any concentric arrangement of annual layers. (Fig- 26; 3, 5.) 211. It is composed of the same tissues and vessels as that of the exogcn, that is, of cellular tissue, woody fibre, spiral ves- sels, and ducts ; the first existing equally in all parts of the stem, and the rest imbedded in it in the form of bundles. 212. Each bundle consists of one or more ducts, with spiral vessels adjoining their inner side next the centi'e of the stem, and woody fibres on their outer side, as in the exogen. a. A new .set of these bundles is foiTned annually, or oftener, proceeding from the leaves and passing do^vnwards in the central parts of the stem, where the cel- lular tissue is most abundant and soft. After descending awhile in this manner, they turn outwards, and interlace themselves ■v^'ith those which were previously formed. Hence the lower and outer portions of the palms, and other endogens, become exceedingly dense and hard, even so as to resist the sti-oke of the axe. b. The age of most endogenous trees, as the palms, would seem to be limited by this peculiarity of growth. The stem at length becomes incapable of further increase in diameter, and the lower portions of it so densely filled with the de- scending fibres as to become impervious to all succeeding ones, and the tree languishes and dies. c Endogenous stems, both herbaceous and woody, are often hollow, with solid joints ; as in the grasses and bamboo. 82 THE LEAF. CHAPTEE- XII. THE LEAT. 213. The leaf constitutes the verdure of plants, and is by far the most conspicuous and beautiful object in the scenery of nature. It is also of the highest importance in the vegetable economy, being the organ of digestion and respiration. 2 14. The leaf is characterized by a tlain and expanded form, presenting the largest possible surface to the action of the air and the light, which agents are indispensable to the life and in- crease of the plant. 215. The color of the leaf is almost universally green, wliich of all colors is the most agreeable to the eye ; but its intensity varies by infinite shades, and is often finely contrasted with the more delicate tints of the flower. Towards maturity its verdure is changed, often to the most brilliant hues, as red, crimson, orange, yellow, giving our autumnal forest scenery a gaiety, variety, and splendor of coloring, which the ^vildest fancy could scarcely surpass. a. The color of the leaf is due to minute globules, or grains, called chlorophyll (green leaf), adhering to the insides of the cells, just beneath the cuticle, and composed of carbon and hydrogen, with a small proportion of oxygen. Their change of color in autumn, is stated by Macaire to depend upon their oxydation. As the leaves in autumn absorb more oxygen by night than they evolve by day, an excess is gradually added to the chlorophyll, which changes the green first to yellow, then to orange, red, and crimson siiccessively, accordhig to the quantity absorbed. The same effect may be produced by acids. b. As flowers are modifications of leaves, it is probable that their various and splendid coloring is due to the same source, namely, the modifications of the chlorophyll by various degrees of oxydation, or by the presence of acids or alka- lies in the cells. §1. VERNATION. 216. A leaf-bud contains a collection of undeveloped leaves, folded together in such a manner as to occupy the least possible space. The particular manner in which the young leaves are folded in the bud, varies in different species, and is called ver- nation. ARRANGEMENT. 83 a. The vernation of the leaf is exhibited in a most interesting manner, bj making, with a keen instrument, a cross-section of the bud in its swollen statci just before its expansion ; or it may be well obsen-ed by removing the scales. 217. The foi-ms of vernation are mostly similar to those of estivation (108), and are expressed by similar terms. Some of the principal are the following : 1 . Equilant, overlapping each other in a parallel manner, wth- out any involution, as in the leaves of the Iris. 2. Obvolute, one of the margins of each leaf interior and the other exterior to the margin of the leaf opposite. Ex. sage. FIG. 27. — Forms of vernation. The numbers agree 3. Involute, having the edges with the corresponding paragraphs. rolled inwards. Ex. apple, \'ioIet. f WJ 4. Rcvolute, the margins rolled outwards or backwards. Ex. willow, rosemary 5. Convolute, the leaf wholly rolled up from one of its sides, as in the cherry. 6. Plaited, each leaf folded like a fan.. Ex. vine, bkch. 7. Circulate, when rolled downwards from the apex. Ex. sundew, fern. § 2. ARRANGEMENT. 218. In regard to their insertion upon the axis, the arrange- ment of the young leaves in the bud is nearly or quite circular, but by the development of the axis, tliis arrangement is modi- fied in various ways, and the leaves are then said to be 1. Scattered, or in'egular, as in the potatoe. 2. Alternate, one above the other, on opposite sides. Ex. pea. 3. Opposite, two against each other at the same node (172). Ex. Hydrangia. 4. Vcrticillate, or whorled, more than two in a circle at each node. Ex. meadow lily. 5. Fasciculate, or tufted, in crowded whorls, or spires. Ex. Callitriche. 219 We have formerly shown how some of these modes of arrangement may be reconciled with the spiral (174, a), and we here add, that, in general, when the leaves are said to be scattered or alternate, they will be found, by the attentive observer, to be strictly, though perhaps uTegularly, spiral ; — always so in the annual shoot. a. Thus in the potato-^-ine, above cited, or in the house-leek, poplar, &c., if we commence at the lower leaf, and draw a line to the next above it, thence to the next ind so on to the sixth leaf, we shall have gone just once around the stem, 8 84 THE LEAF. describing one turn of an elongated spire, so tliat eacli sixth leaf only is placed exactly above the first. b. In the strictly alternate arrangement, we shall have made one complete turn on arriving at every third leaf. But this is rare. More commonly the third leaf is a little to the right or left of the perpendicular line on which the first is in- serted, so that several turns must be made before we arrive at one wliich is exactly in that line. c. The opposite, or whorlcd, airangement may be referred to the non-develop- ment of some of the intcrnodes ; but a better theory is that which supposes seve- ral coordinate spires arising side by side : two, when the leaves are opposite, and three, or more, when they are whorled. For the leaves of the second pair, or whorl, are never placed exactly above those of the first, but above their intervening spaces, in accordance with the alternation of the petals wth the sepals, &c. (61, b). 220. Ill regard to their position upon the plant, leaves are radical, when they grow out of the stem at or beneath the sur- face of the ground, so as to appear to grow from the roots ; cau- line, when they grow from the stem, and ramial {ramus, a branch) when from the branches. §3. ORGANOGRAPHY. 221. A leaf may be regarded as an expansion of the two outer integuments of the bark (205) extended into a broad, thin surface by a woody framework, or skeleton, proceeding from the medullary sheath (200). This broadly expanded part is called the LAMINA, or BLADE of the leaf, and it is either sessile, that is, connected to the stem by its base, or it is petiolate, connected to the stem by a foot-stalk caUed the petiole. 222. The petiole, therefore, where it exists, is the unexpanded part of the leaf, but like the claws of the petals (102), it is not an essential part, and is often wanting. Its form is rarely cyhn- dric, but is usually flattened or channeled on the upper side. It is said to be 1. Compressed, when it is flattened in a vertical direction, so that it is agitated by the slightest breath of air, as in the aspen (Populus). 2. Winged (margined), when it is flattened or expanded later- ally into a border. Ex. orange. 3. Amplexicaid (sheathing), when it is dilated at the base into a margin which embraces or surrounds the stem, as in the Um- bellifera?. VEIN8. 85 223. The lamina is generally of a rounded oval outline, longer than wide, with equal sides but unequal e7ids. It is, however, subject to variety almost infinite in this respect. The end of the blade next the stem is the base, and that most remote, the apez. 224. A leaf is simple when its blade consists of a single piece, however cut, cleft, or divided ; and compound when it consists of several distinct blades, supported by as many branches of a co7npou7id petiole. 225. The frame-work, or skeleton, of the lamina above men- tioned, consists of the ramifying vessels of the petiole, while the lamina itself is, of course, parenc/ti/ma (29). These vessels are collectively called vei?is, from the analogy of their functions. 226. The manner in which the veins are divided and distrib- uted is termed venation. The organs of venation, differing from each other only in size and position, may be termed the midvein, veins, veinlets, and veinulets. ( The old terms midrib and nerves, being anatomically absurd, are here discarded.) 227. The midvein is the principal prolongation of the petiole, running directly through the lamina to the apex ; as in the leaf of the birch. If there be several similar divisions of the petiole, radiating from the base of the leaf, they are appropriately termed the veins ; and the leaf is said to be three-veined, five- veined, &c. Ex. maple. 228. The primary branches sent off from the midvein or the veins we may term the veinlets; and the secondary branches, or those sent off from the veinlets, are the veinulets. 229. There are three principal modes of venation which are, in genei'al, char- acteristic of the three grand divisions of the vegetable kingdom. 1st. Reticulate or net veined, as in Exogens. The petiole is prolonged into the leaf in the form of the midvein, or several pri- mary branches, dividing and subdividing into branchlets, which unite again, and by their frequent inoscidations form a kind of network. Ex. maple, bean. 2nd. Parallel-veined, as in Endogens. Li this kind of vena- tion the veins are all parallel, whether proceeding from the base of the leaf to the apex, or sent off laterally from the midvein, and 86 THE LEAF. are always connected by simple transverse veinlets. Ex. grass, lily. 1 2 3 4 FIG. 28 —Forms of venation. 1, 2, Exogens ; 3, Endogen ; 4, acrogen. 3d. Forhed-veined, as in the Cryptogamia, when the veins divide and subdivide by forked divisions wliich do not unite again. Ex. ferns. 230. Of the first kind of venation, the reticulate, there are tivo varieties which deserve the most careful attention. The feather-veined and the radiate-veined. 1. The feather-veined leaf is that in which the venation con- sists of a midvein, giving off at intervals lateral veinlets and branching veinulets. Ex. beech, chestnut. 2. Li the radiate-veintd, the venation consists of several veins (^227) of nearly equal size, radiating from the base towards the circumference, each with its own system of veinlets and veinulets. Ex. maple, crow-foot. 3. Li parallel venation, the veins are either straight, as in the linear leaf of the grasses, curved, as in the oval leaves of the Orclhs, or transverse, as in the Canna, Calla, &c. §4. FORM OR FIGURE. 231. That infinite variety of beautiful and graceful foiins for which the leaf is distinguished, becomes intelligible to the student only when viewed in connection with its venation. Since it is through the veins alone that nutriment is conveyed for the development and extension of the parenchvTna, it follows that there \vill be the greatest extension of outlim where the veins are largest and most numer- ous. Consequently, the form of the leaf vnW depend upon the direction of the veins, and the vigor of their action, in developing the intervening ti-^sue. For this interesting theory we are indebted to Alphonse De Candolle. VEINS. 87 a. In our description of individual forms, we shall select only the most remark- able, leaving others for explanation in the Glossary. The most obvious arrangement is that wliich is founded upon the modes of the veining ; but it should be premised that diiferent forms of venation often give rise to the same outline. 232. Of FEATHER-VEINED Icaves, the following forms depend on the length of the veinlets in relation to each other, and to the mill vein. If the middle veinlets ai-e longer than the rest, the leaf will be 1, Orbicular (roundish), as in Pyrola rotundifolia. FIG. 29. — Figures of feather-veined leaves. The numbers refer to paragraplis. a, deltate leaf of Populus. 2. Elliptical (oval), as in Lespedeza prostrata; or 3. Oblong (narrow-oval). Ex. Arenaria lateriflora. If the lower veinlets are longer than the rest,the leaf will be 4. Ovate (egg-shaped), as in the Mitchella repens, or 5. Lanceolate (lance-shaped), narrow, and tapering to each end. Ex. sweet-william. When the veins are most developed towards the summit of the leaf, it becomes 6. Obovate (inversely egg-shaped), as in the walnut; or 7. Spathulatc (shaped like a spathula), as in the daisy. Again, if the lowest veinlets are longest, sending off veinulets backwards, the leaf will be 8. Cordate (heart-shaped), hke the ovate fcirm, with a hollow (sinus) at the base, as in the lilac. 9. Aiiriculate, having ear-shaped lobes at the base. Ex. sage. 8* S8 THE LEAF. 10. Hastate (halbert-shaped), hollowed out at the base and sides. Ex. Bitter-sweet. 11. Sagittate (arrow-shaped), with pointed, descending lobes at base. Ex. Polygonnm sagittatum ; Sagittaria ; &c. 12. Reniform (kidney-shaped), broad, rounded at the apex, and hollowed at the base, as in the Asarum Canadense. a. The following forms depend less upon the proportion of the veinlets than on the imperfect development of the tissue between them. FIG. 30. — 12 — 16, figures of feather-veined leaves, the remainder of radiate-veined. 13. Runcinate (re -uncinate), having the margin extended at the veins into pointed segments, wliich curve backwards. Ex. Taraxacum. 14. Lyrate (lyi'e- shaped), with several deep, rounded sinuses, occasioned by deficiency of tissue between the lower veinlets ; water-cress (Sisymbrium). 15. Pinnatijid (feather-cleft), with deep sinuses between the veinlets, separating each margin of the leaf into oblong, par- allel segments. Ex. Lepidium. 16. Sinuate, having deep, rounded openings between the veinlets, seen in the leaves of the white oak. 233. R.iDiATE-VEiNED Icavcs assume luany forms, depending upon the direction of the veins, and the quantity of the uiter- vening tissue. Some of them are the following. 17. Falmaie (palm-shaped), having five lobes, with as many veins (227) separated by deep divisions, so as to resemble the palm of the hand with the fingers. Ex. passion-flower. PAKALLEL-VEINED LEAVES. 89 18. Digitate (finger-shaped), having narrower and deeper segments than the pahnate, as in the hemp. 19. Pedate (foot-shaped). The same as palmate, except that the two lateral lobes are themselves subdivided, as in the peony and passion-flower. 20. Laciniate (gashed), the veins and veinlets separate, as if the blade were cut and gashed with scissors. Ex. Ranunculus. 21. Peltate (shield-like), the veins radiating in all directions, and all connected by intervening tissue. This form is gener- ally also orbicular, and appears to result from the union of the base-lobes. Ex. Podophyllum peltatum, Tropeolum, Brasenia. 22. Rc7viform, hroad-ovatc, broad-cordate, &c., may also result from the radiate veining. 231. The form of parallel-veined leaves is less diversified than that of the preceding classes, being 23. Linear, when the veins (and fibres) are straight, as in the grasses. Tliis form may also occur in the feather-veined leaf by an equal development of all the veinlets as in Linaria vul- garis, &:c. FIG. 31. — 23, 24, 25, figures of leaves witli parallel veins ; 2 — 10, margins of leaves. 24. Oval, lanceolate, oblong, or some kindred form, when the veins are curved, as in Carex, Cypripedium, Orchis, Sec, or it may be 25. Cordate, when some of the lower veins are curved back- wards and then upwards, as in Pontaderia, and even sagittate, when they are directed downwards at the base, as in the Sagit- taria. 90 THE LEAF. 26 Acerose (needle-shaped), when there is Htlle or no distinc- tion of lamina, petiole, or veins, as in the leaves of the pine. § 5. MARGIN. 235. The margin of the leaf is also modified chiefly by the same causes which affect the form. It is said to be 1. Entire, when even-edged. This may result from the full development of the tissue, or from a vein running parallel with the margin. Ex. lilac, lily. 2. Dentate (toothed), the tissue incomplete, having teeth with concave edges, pointing outwards from the centre. Ex. hawkweed. If the teeth are very tine, the margin is said to be denticulate. If the teeth are themselves toothed, it is doubly dentate. 3. Serrate, having shai-p teeth pointing fonvard like the teeth of a saw Ex Kosa. If the serratures are very small, it is semdate. J£ they are themselves serrate, it is doubly serrate. 4. Crenate, notched with rounded or convex teeth, as in Glechoma. If such notches are very small, it is crenulate. 5. Erose (gnawed), having the margin irregularly toothed, or jagged, as if bitten by animals. 6. Undulate (wavy), the margin rising and falling like waves. Ex. Amaranthus. 7. Spinous, when the veins project far beyond the tissue in sharp spines, as in the thistle. Such leaves are said to be armed, and the opposite coiTesponding term is tmarmed. 8. Incised (cut), margin divided by deep incisions. 9. Laciniate (torn), divided by deep and irregular gashes. 10. Crisped, margin much expanded and curled by a superabundance of tissue, as in the mallows. 11. J^epanrf, having the margin slightly concave between the projecting veins. Ex. Solanum nigrum. §6. APEX. 236. Li regard to the termination of a leaf at its apex, it is said to be 1. .Acute, when it ends with an acute angle. 2. Obtuse, when it ends Avith a segment of a circle. 3. .Acuminate, ending with a long, tapering point. 4. Emarginate, having a small notch at the end. 5. i?€iwse, terminating with a round end, having the centre depressed. 6. Mucronate, abruptly terminated by a short, hard, bristly point, &c. §7. SURFACE. 237. The following terras are employed in descriptive botany, chiefly to denote the modifications of the surface (epidermis) LEAFLETS. 91 of the leaf. They are, however, equally appHcable to the sur- face of any other organs. (41, a.) 1. Glabrous, srnooth ; denoting the absence of all haii-s or bristles. Hydrangea. 2. Pubcsccut, covered with soft hairs or down. LoniceraXylosteum. 3. Hough, with hard, short, even points. Borago officinalis. 4. Pilose, with short, weak, thin hairs. Pmnella vulgaris. 5. Hoary, white, with very short, dense hairs. Gnaphalium. 6. Villose, with long, thin hairs. Solidago altissinia. 7. Woolly, with long, dense, matted hairs. Mullein. 8. Tomentose, with dense, short, and rather rigid hairs. Spirea tomentosa. 9. Rugose, the tissue between the reticulated veins convex, from its superabun- dance. Sage. 10. Punctate, dotted mth pellucid glands (44, a). Hypericum punctatum. § S. COMPOUND LEAVES. FIG. 32. — Compound leaves. 4, Trifoliate leaves ; a, pinnately, as of the bean ; 6, pal- mately, clover 238. "When a simple leaf becomes a compound one, the dms- ion takes place upon the same principle as the separation of an enthe leaf into segments, lobes, and teeth, namely, from a defi- ciency of parenchyma; the number and arrangement of the leaflets will therefore, in hke manner, depend upon the mode of veining. 239. The divisions of a compound leaf are called leaflets, and the same distinctions of outline, margin, &c., occur in them as in simple leaves. In the truly compound leaf, each leaflet 92 THE LEAF. (which is usually supported on a distinct stalk), is articulated (articula, a joint), with the main petiole, and separates from ^it in decay. 240. From the feather veined arrangement may result the following forms of compound leaves : 1. Pinnate (winged), where the petiole (midvein) bears a row of leaflets on each side, generally equal in number and oppo- site, as in the Acacia. 2. A pinnate leaf is said to be equally pinnate where the petiole is terminated by neither leaflet nor tendril, as the Cassia Marilandica, and unequally ^nnnate when it is terminated by an odd leaflet or by a tendril. Ex. rose, locust, pea. In the latter case the leaf is called cinhose. 3. An interruptedly pinnate leaf has the leaflets alternately smaU and large, as in the potato, avens. 4. A pinnate leaf sometimes consists of as many as twenty or thirty pairs of leaflets, as in the Astragalus. Sometimes the number of leaflets is but three, and the leaf becomes ternate or trifoliate, as in the ash ; and, finally, it is sometimes, by the non- development of the pinna (pairs) reduced to a single terminal leaflet, as in the lemon. Such a leaf is known to be compound by the articulation of the leaflet to the petiole. 5. A bipinnatc leaf (twice pinnate), is formed when the leaf- lets of a pinnate leaf themselves become pinnate. Ex. Fuma- ria officinalis. 6. A tripinnate leaf (tlirice pinnate), is formed when the leaf- lets of a bipinnate leaf become pinnate, Ex. Aralia spinosa. In the leaf of the honey-locust (Gleditschia), we sometimes find all these three degrees of division, namely, the pinnate, bipinnate, and tripinnate, curiously combined, illustrating the gradual tran- sition of the simple to the most compound leaf 7. A biternate leaf is fonned when the leaflets of the temate leaf become themselves ternate, as in Famaria lutea. 8. A triternate leaf is formed wdien the leaflets of a biternate leaf become again ternate. Ex. Aquilegia. 241. The following forms of compound leaves may result from the division of a radiate-veined leaf; the ternate, biternate, &c., already mentioned ; ASCIDIA, STIPULES, AND BRACTS. 93 9. Quinate, when there are five leaflets radiating from the same point of the petiole, as in Potentilla argentea. 10. Septinate, when there are seven leaves from the same point in the petiole, and so on. 242. With regard to insertion, the leaf is said to be 1. Amplecdcaul, when its base surrounds or clasps the stem. 12 4 3 5 P FIG. 33. — Modes of insenion. 2. Perfoliate, when the base lobes of an amplexicaul leaf are united together, so that the stem appears to pass through the leaf 3. Dccurrent, when the base lobes of the leaf grow to the stem below the point of insertion, so that the leaf seems to run doivmcards (Lat. decurro). 4. Connate, when the bases of two opposite leaves are united. 5. Stcllutc, verticillate, or whorled, when several leaves are arranged around the stem at the same node. 24.3. It is often found necessary, in the description of a plant, to combine two or more of tlie terms above mentioned, to express some intermediate figure or quality ; thus ovate-lanceolate, signifying between ovate and lanceolate, &c. (7. The Latin preposition sub (under), prefixed to a descriptive term, denotes the quality which the temi expresses, in a lower degree, as suhscssile, nearly ses- sile, snbscrrate, somewhat serrate, &c. §9. ASCIDIA, STIPULES, AND BRACTS. 244. In the teazel (Dipsacus) of our own fields, and in the Tillandsia, or wild pine of South America, there are liollows at the point of union between the leaf- stalk and the stem, capable of holding a considerable amount of water. The midrib and petiole of the leaves of the Arum, also, are channeled out in such a manner as to convey water to the axil. 245. But the most remarkable of all leaves are those which are hollowed out into the form of pitchers, called ascidia. a. In the Sarracenia, a plant common in our own peat-bogs, these pitchers are evidently formed by the very deep channeling of the petiole, and the uniting together of the involute edges of its winged margin so as to form a complete vase, witli a broad expansion at the top. wliich may be regarded as the true leaf. 94 THE LEAF. The ascidia thus formed are always full of water, in which insects are drowned, being prevented from escaping by the deflexed hairs at the mouth. 246. The Nepenthes is a native of the East Indies. Its proper leaves are ses- sile and lanceolate. The midvein extends beyond the apex, like a tendril, to the length of six or eight inches. The extremity of this tendril is inflated into a hol- low vessel similar to a pitcher, and usually contains about half a pint of pure water. It is furnished with a leafy lid, connected to it by a ligament which ex- pands or contracts according to the state of the atmosphere, so that the cup is open in damp weather to receive moisture from the air, and closed in dry weather to prevent its evaporation. FIG. 34. — Ascidia. 1, Sarraceiiia purpurea ; 2, Nepentlies distillatoria ; 3, Dischidia Raf- flesiana. 247. Another wonderful provision of this kind is ohsen-ed in a plant gi-owing in the forests of India, called Dischidia. It is a twining plant, ascending the tall trees to the distance of 100 feet from its roots, and destitute of leaves except near its top. These cannot, therefore, it would seem, derive much nourishment from the earth. The pitchers seem fonncd of a leaf with its edges rolled towards each other, and adherent, and its upper end, or mouth, is open to receive whatever moisture may descend into it, of which there is always a considerable quantity. But the greatest marvel in its stracture is yet to be described. Several bundles of absorbent fibres, resembling roots (142, 6), are sent out from the nearest parts of the stem and enter the pitchers and spread themselves through the cavity. The design of this apparatus scarcely needs be mentioned. 248. The leaf of Venus' fly-trap (Dionsea muscipula), native at the south, is also of a veiy curious constniction. At the extremity of each leaf are two lobes, bordered with spines. In the cavity between the lobes are several sharp points projecting upwards, and a gland which secretes a liquor attractive to insects. But when an unlucky fly, in search of food, alights upon it, the irritable lobes instantly close and impale him in their fatal embrace. 249. Stipules are certain leaf-like expansions situated on each side of the petiole, at its base. They are membranous, leathery, or spiny. They do not occur in every plant, but are pretty uniformly present in each plan+ of the same natural order Ex. pea, rose, Viola tricolor. 250. Stipules are generally supposed to be accessory kai^cs, although their [XVOLUCRE. 93 nature is certainly obscure. They are subject to the same laws of venation and form, perform the same functious, and arc sometimes almost undistingiiishable from the leaves themselves. They also (very rarely) develop buds in their axils. a. When they grow from the stem itself, they may, therefore, be regarded as rudimentary leaves, but when from the base of the petiole, as is most common, they ai-e the undeveloped leaflets of a pinnate leaf, as in the rose. 251. When leaves are furnished ^\'ith stipules they are said to be stipulate, and when without them they are exstipidate. The stipules Avhich are situated at the base of leaflets are called stipch. FIG. 35. — Stipules, Bracts, &c. 1, a, stipule of grass ; 2, 6, of rose ; 3, c, bract of Tilia ; 4, d, of a Campanula ; 5, Sium. a, involucre, c, involucel ; 6, Comus Canadensis, a, colored involucre, c, flowers ; 7, Arum, a spathe, c, spadix. 252. Bracts, called also floral leaves, are leaf-like append- ages, intermediate between leaves and the floral organs. From leaves they are generally distinguished by their being placed near the flower, their smaller size, their difTerence in form, and often in color. 253. That bracts are of the same nature as leaves is perfectly evident, for so gradual is the transition between them that no absolute limits can be assigned. That they have a common oiigin vn\\\ the sepals of the calyx also, is equally evi- dent,— so imperceptibly do the latter pass into bi'acts; afFoi'ding one of the strongest proofs of the doctrine of floral metamorphosis. a. Bracts have received diiferent names, according to their an-angement and situation. They constitute an 254. Involucre, when they are arranged in a whorl, and sur round several flowers. In the Phlox, and generally, it is green, 9 96 THE LEAF. but sometimes, as in the Cornns, it is colored like petals. Situ- ated at the base of a compound umbel (305, a) it is called a general involucre, at the base of a partial umbel a partial invo- lucre, or involucel, both of which are seen in the Umbellifera. 255. In the Composite the involucre consists of imbricated bracts, often in several whorls sun-ounding the base of the heads (compound flowers), as the calyx siUTOunds a simple flower. 256. In the grasses, the bracts subsist under the common name of husk Or chaff, to which is attached the awn or beard. The bracts situated at tlic base of a spikelet of flowers, are called the glume, con-esponding to the involucre. Those situated at the base of each separate flower are palca, answering to the calyx, or corolla. The pieces, of which each glume or palea is composed (generally two), are called valves. § 10. DURATION. 257. Leaves, although so universal an accompaniment of vegetation, are only temporary appendages. They rapidly attain their growth, and in a gi-eat ma- jority of cases flourish but a single season, at the end of which they perish, although the plant on which they grew may continue to flourish for ages. To mark theh duration more accurately, leaves are said to be 1. Fugacious, when they fall oflf early, before the end of summer. 2. Deciduous, when they endure for a single season and fall in autumn. 3. Persistent, or evergreen, when they remain through all seasons, retaining their color until the new leaves of the following spring appear, so that the plant is always verdant. In accordance with the last two distinctions, plants are said to be DECIDUOUS, or evergreen. 258. The fall of the leaf in temperate climates, occurs near the end of autumn, and marks an important era in the year. The fu-st symptoms of decay are seen in the changes of color from green to various shades of gold and crimson. These gorgeous hues, gradually fading, at length give place to a pale russet, the com- mon color of the faded leaf. 259. Defoliation, or the separation of the leaf from the stem, is due to several causes. During the latter part of the summer, the vessels become clogged by the deposition of earthy and solid matter contained in the sap, until they can no lon- ger admit the free circulation of the fluids through them. Tbe whole structure consequently loses its vitality, dries up, and withers, and is finally cast off at the point of articulation, as a dead part is from the li\-ing body of an animal. § 11. PHYSIOLOGICAL STRUCTURE. 260. Since the frame-work of the leaf is merely a divergent portion of the medullary sheath (200), it must consist essentially of the same tissues, namely, spiral vessels accompanied by woodv fibre, that is, fibr a -vascular tissue. ni Y .- 1 U LU C! 1 VA i. STKU CT IJKK . 97 a. The tissue of the lamina, in like manner, must essentially correspond with the outer integuments of the bark, of which it is but an extension. That pecuhar form of cellular tissue of which it is composed is called parendtyma. 261. The parenchyma of the leaf exists in two layers, as might be inferred from the manner in which it is produced (221). In all those leaves which are ordinarily horizontal in position, one surface being upwards and the other downwards, these two layers are dissimilar in structure ; but in those leaves where the lamina is vertical, as in the iris, they do not mate- rially differ. ' a. The whole structure is, of course, clothed \vith the epi- dermis. 262. The internal structure of the parenchyma is more complicated than would be at fii-st supposed. A powerful microscope is necessary for its examination. Let an exceedingly thin paring be taken from a vertical section of the lamina and submitted to the solar (or compound) microscope, in such a manner that the rays shall pass from section to section. Fig. 36 represents a magnified view of such a paring of the leaf of the lily, which may be regarded as characteristic of leaves in general. e e FIG. 36. — 1, Magnified section of a leaf of the lily ; a, of the epidennis with stomata. 263. The upper surface (n, a) is thus seen to consist of the flattened cells of tlie epidermis, arranged in a single layer. Just bcneatli this (6, h) is the more com- pact part of the parenchyma, consisting of a layer of oblong cells placed in such a position that their longer axis is peqjendicular to the leaf's surface. Next below we meet ■with the parenchpna of tlie lower surface (r, c), composed of oblong cells arranged longitudinally, and so loosely compacted as to leave larger empty spaces between. Lastly, we find again the epidermis (rf, d) of the under surface with stomata (f, e), opening into air-chambers. a. Within all the vesicles of the parenchyma arc seen adliering to the walls, the green globules (chlorophyll) which give color to the parcncliyma. — dark gi-een above, where it is more compact ; but paler beneath, where the cells are more loose and separate. 264. The empty spaces between the cells, called intercellular, communicate with the external air by means of the stomata (37 — 39), which are generally found only in the lower surface. In those leaves, however, whose position is nat- urally vertical instead of horizontal, stomata are found equally on both surfaces. In other leaves, as in the Nymphsea, they are found upon the upper surface alone, the lower being in contact with the surface of the water. 265. The vessels of the latex (34) are distributed through the under layer of the parenchyma. These are prolongations of the ramified veins, which, having reached the edge of the leaf, double back upon themselves, pervade the lower sur- face, and are again collected into the petiole, through which they are finally returned into the bark. 266. A singular structure occurs in the Oleander of Barbary, and other plants of hot and arid regions. The epidermis on the upper surface is double and very compact, and there are few if any stomata on the lower smface, their places being supplied by cavities within its substance, opening outwards by a small aper- ture, and covered within by minute hairs. These peculiarities are adapted to the conditions of the air and soil in which the Oleander flouiishes. The hairs absorb moisture from the air, which the cavities readily retain, while the double epider- mis effectually restrains its evaporation. J 12. OF THE FUNCTIONS OF LEAVES 267. These are exhalation, absorption, respiration, and diges- tion, and the result of their combined action is the conversion of the crude sap, absorbed from the soil by the roots, into the proper juice or latex, for the nourishment and increase of the plant, \vith its various products. 268. The crude sap consists of water holding in solution minute quantities of various kinds of solid and gaseous matter derived from the soil. In its passage from the root to the leaves, its composition is somewhat modified by dissolving the previously formed secretions, "which it meets with on its -way. 269. Exhalation is the process by wliich the superabundant water of the sap is given off to the atmosphere, so that the re- maining sap is reduced, as it were, by concentration, and con- tains a greater proportion of solid matter. It is analogous to perspiration in animals. 270. It is to be distinguished from evaporation ; the latter depending solely upon heat and the state of the aii-, and being, in plants, almost wholly restrained by the epidermis. 271. Exhalation appears to take place through the stomata RESPIRATION. »» alone. But since these are oi)ened by the influence of the light and closed in its absence, it follows that exhalation can proceed only in the presence of the light (155). a. If a plate of glass be held near the under surface of an active leaf of the Hydrangea, in a still au-, it will soon be covered vs^ith dew ; but if the experiment be repeated by holding the glass over the tipper surface, it will remain dry. A"-ain, if the light be suddenly excluded from the plant in a state of active growth, it will immediately cease to transpire, whatever be the temperature ; and if the stomata be then examined they will be found closed. 272. That exhalation and absoi-ption by the roots are mutually dependent upon eachother, has already been stated (155). The quantity of fluid discharged by the former may therefore be inferred from that of the latter. This has also been confinned by experiment. A sunflower 3|- feet high, was ascei-tained by Hales to transpu-e from 20 to 30 oz. of water daily; a cabbage from 15 to 25 oz., &c. Experiments have also been made upon single leaves, recently plucked, with the petiole immersed in water. Thus a leaf of the sunflower, weighing 31 grains, absorbed and exlialed its own weight of water in 6 hom-s. 273. Absorption is primarily the office of the roots (154), but in certain circumstances it is performed by the leaves also. a. When the roots are imperfect, or wanting, or sen'e merely to fix the plant in its position, as in some aerial parasites, and in some of the Orchidacese, it is evident that the plant must derive its nom-ishment chiefly from the absorption performed by the leaves. Experiment also proves that the leaves of plants in general are capable of this function. Eveiy one knows how plants, when parched and withered by drought, are revived by a shower which does not reach their roots, but only moistens their leaves. 274. The lower surface of the leaf appears to be chiefly instrumental in absorp- tion. This is readily shown by expeiiment. Leaves with their lower surfaces in contact -vvith the water, remain fresh much longer than others with their upper surfaces thus placed. Leaves of the white mulberry, mth the upper surface only in contact with water, faded in six days, while others, reversed in position, lasted as many months. 275. Respiration in plants is analogous to respiration, or breathing, in animals. In both it is equally constant and equally necessary. It is performed principally by the leaves, but is not confined to them, being partially performed by other parts also, even by the roots. 276. Respiration consists of the absorption of oxygen from the atmosphere, accompanied by the evolution of carbonic acid. o. This process must not be confounded with another which occurs, of a con- trary nature, treated of under the head of digestion. 9* 100 THE LEAF. 277. Pvespiration appears to be going on constantly, by day and by night, dviring the hfe of the plant, even while it is act- ively engaged in the contravening process of the fixation of car- bon. The result of it is, the removal of a certain superfluous portion of carbon, in a state of combination with oxygen,* from the nutritive substances of the plant, just as the same deleteri- ous acid is removed from the blood of animals by brea tiling. 278. Let a few healthy plants be placed under a bell-glass containing air from which all the carbonic acid has been previously removed. After a few hom'S let the air be tested by sliaking it with lime-water, and it will be found to contain carbonic acid, rendering the lime-water turbid. This effect will be produced, whether the bell-glass stand in the sunshine or in darkness, but the quantity of acid evolved will be found to be much greater in the darkness. 279. Respiration is carried on with peculiar activity during the two periods of germination and flowering. a. In germination pure oxygen is absorbed, either ft-om the air or water, or both, in the absence of light (133, d), and returned to the air combined with the superfluous carbon of the starch, which thus is converted into sugar for the nour- ishment of the young plant. b. It is also equally active at the time of flowering, a large quantity of oxygen being converted into carbonic acid by the flower. By this process it seems that the starch previously contained in the disk (107), or receptacle (59), is changed into saccharine matter for the nutrition of the pollen and ovules (70,81), the superfluous portion flowing off" in the form of honey. And it has been ascer- tained that the quantity of oxygen evolved bears a direct proportion to the devel- opment of the disk, t 280. The life of the plant depends upon the continuance of respiration, for if it be suiTOunded by an atmosphere with too great a proportion of carbonic acid, or in a confined portion of air, which has become vitiated by its own action, and ex- cluded from the light, its respiration is necessarily soon suspended, and it speedily perishes. J 281. Digestion, in plants, consists properly of all those changes effected by the leaves in rendering the crude sap fit for the purposes of nutrition. But that process wliich is more par- * Carbonic acid is composed of 0 parts (by weight) of carbon, combined with 16 parts of oxygen. t Thus Sausaure found that the flower of the Arum, wliile in bud, consumed 5 or 6 times its own volume of oxygen in 2t hours ; during the expansion of the flower, 30 times, and during its withering, 5 times. When the floral envelopes were removed, he found that the quantity of oxygen consumed by the stamens and pistils in 24 hours, was, in one instance, 132 times their own bulk. CARBON. 101 ticularly described under the head of digestion, consists in the decomposition of carbonic acid by the green tissues of the leaves, under the stimulus of the light, the fixation of the solid carbon, and the evolution of pure oxygen. 282. Carbon is one of the principal ingredients in the vegetable stractnre. The chief source from which plants obtain it is the atmosphere, which always contains it in the form of carbonic acid, evolved by combustion, by the respiration of ani- mals, from the earth, &c. a. ' Now if we place some fresh leaves in an inverted bell-glass, containing air charged with 7 or 8 per cent, of carbonic acid, and expose them to the direct light of the sun for a few hours, it will be found that a large proportion of tlie carbonic acid will have disappeared, and will be replaced by pure oxygen.' But this change will not be effected in the dark, or by any degree of artificial light. Ac- cordingly we find that plants which grow in the dark become blanched from the want of the proper supply of carbon, on which their green color depends. 283. "We have before stated that this fixation of carbon in the substance of the plant, contravenes the process of respiration, in which carbon is given off. The former occurs only in the light of day, the latter by night as well as by day. But as to the relative amount of carbon thus absorbed by the former process, and evolved by the latter, there can be no reasonable doubt ; for when we consider how large a portion of the tissues of every plant is solid carbon, and that too, derived chiefly from the atmosphere, it is evident that much more carbonic acid is, on the whole, consumed by vegetation than is evolved. In accordance with tliis are the results of the experiments of Dr. Daubeny, who has recently shown, that ' in fine weather, a plant, consisting chiefly of leaves and stems, if confined in a capacious vessel, and duly supplied with carbonic acid during sunshine, as fast as it removes it, will go on adding to the proportion of oxygen present, as long as it continues healthy.' 284. Thus are the two great kingdoms of nature rendered mutually subser- vient, each to the well-being, and even the existence, of the other. Animals require an atmosphere comparatively pure, although, by then- respiration and decay, they are continually adding to the proportion of its deleterious gases. Plants, on the other hand, thrive by the decomposition of these gases and the res- toration of pure oxygen to the air in their stead. It is impossible not to admire this beautiful arrangement of Providence, by which, as in a thousand other cases, the means and ends are rendered reciprocal, afi"ording the highest proof of wis- :lom and design. t Another view of respiration, different from the above, has been ably maintained; viz. that it id not a vital action, but only a necessary result of a temporary suspensioti of yital action. During the absence of the vivifying stimulus of the light, a part of the carbonic acid absorbed by day is lost, from the want of power to retain it, and a small quantity of oxygen is absorb«(i to recombinc with some of the carbon recently set free. But as this theory does not account for the loss of carbonic acid by day as well as by night, and moreover supposes imperfection in the origi- nal design of the Creator, I have not yet seen fit to adopt it. 102 INFLORESCENCE. CHAPTER XIII. INFLOEESCENCE. 285. Inflorescence is a term denoting the arrangement of the flowers npon a stem or branch. 286. Li regard to position npon the stem, the inflorescence, like the leaf-bnd, of wliich we have shown it to be a modifica- tion, is either terminal or axillary. a. It is, however, in some plants, particularly in the potatoe tribe (Solanaceje), situated opposite to a leaf. This irregularity is accounted for, if we suppose, with Lindley, that the flower-stalk, originating in the axil of the leaf next below, ad- heres to the internode (172) in its lower part, and does not separate from it until it is opposite the succeeding leaf. 287. The peduncle (flower-stalk) is that part of the stem on which the inflorescence is immediately supported. It bears no leaves, or, at most, only such as are reduced in size, and altered in form, called bracts (252). If the peduncle is wanting, the flower is said to be sessile. 288. The peduncle, like the stem of which it is a portion, may be either simple or branched. When it is simple it bears, of course, a single flower, but when it is divided into branches it bears several flowers, and its final divisions, each bearing a sin- gle flower, are called pedicels. 289. A SCAPE is a flower-stalk which springs from a subter- ranean stem, in such plants as are caUed stemless (177). Ex. Sarracenia, Taraxacum, Hyacinthus._ Like the peduncle, of which it is a modification, it is leafless, or Avith bracts only, and may be either simple or branched. 290. The rachis {qu/jc, the spine) is the axis of the inflores- cence, or the main stem of a compound peduncle, along which the pedicels are arranged, as seen in the Plantago, cuiTant, grape, and grasses. 291. The inflorescence is said to be solitary when it consists of a single terminal flower, as in Eiythi-onium, or when but a single axillary flower is developed at the same node, as in Petu-' nia, Convolvulus. C'EXTRll'UGAL INFLOKESCENCE. 103 292. In regard to the evolution of the inflorescence, that is, the mode of succession in the development of the flowers, bota- nists have recently observed two important distinctions, namely, the centripetal and the centrifugal, the former resulting from axillary, and the other from terminal flowers. 293. Li CENTRIPETAL infloresccncc the evolution (blossoming) of the flowers commences with those of the circumference (or the base) and proceeds towards the centre (or the summit), as in the Umbelliferae and the Cruciferce. a. The student vrsSS. readily perceive that the circumference of a depressed (flat- tened, inflorescence coiTesponds to the base of a lengthened one; and also that the centre of the former answers to the summit of the latter. For when the axis, or rachis, is lengthened, it is the centre which it beai's along with it at its apex, leav- ing the circumference at the base. 294. In CENTRIFUGAL inflorescencc the blossoming com- mences with the terminal and central flower, and proceeds towards the lateral flowers, or those of the circumference. Ex. Hydrangea, elder, and the pink tribe. a. ' This mode of inflorescence is generally indicated by the presence of a soli- tary flower seated in the axils of the dichotomous (forked) branches.' All the flowers are considered terminal, because they do in fact (except the first which teiTninates the axis) temiinate lateral branches successively produced at the node next below the primary flower. This is beautifully illustrated in Spergula. FIG. 37. — Modes of inflorescence ; 1, centrifugal inflorescence (cyme) of Cerastium maxi- mum ; 2, fascicle ; 3, centripetal inflorescence (corymb) ; 4, spike. 295. Sometimes we find these tAvo modes of inflorescence combined in the same plant. In the CompositEe, as Dr. Gray remarks, the heads, which may be called the ^^(^rtial inflores- 101 INFLORESCENCE. cences, are centripetal, while the general inflorescence is centri- fugal, that is, the central head is developed before the lateral ones. But in the Labiate the partial inflorescences (verticilas- ters, 309) are centrifugal, while the general inflorescence is centripetal. 296. Of centripetal inflorescence the principal varieties are, the spike, raceme, ament, spadix, corymb, umbel, head, panicle, and thyrse. 297. The spike is an inflorescence consisting of several ses- sile flowers an-anged along a common peduncle (rachis). Ex. Plantago, Verbascum. 298. The raceme is the same as the spike, but having the flowers raised on pedicels, each being axillary to a bract, and blossoming in succession from the base upwards. The raceme may be either erect, as in Hyacinthus, Pyrola, or pendulous, as in the currant and black cherry. 299. The ament, or catkin, is a spike whose flowers are cov- ered each with a scaly bract, instead of a calyx and corolla, and fall ofi^ together, all remaining still connected with the rachis. Ex. Salix, Betula. 300. The SPADIX is a spike with a fleshy racliis enveloped in a large bract, called spathe. Ex. Aiaim, Calla. 301. The CORYMB is the same as the raceme, having the lower pedicels so lengthened as to elevate all' the flowers to nearly or quite the same level. Ex. wild thorn (Crata3gus). 302. An UMBEL resembles the corymb, but the pedicels are of nearly equal length, and all arise from the same point in the common peduncle. Ex. Asclepias, Ai-aha hispida, onion. 303. A HEAD or CAPiTULUM is similar to an umbel, but the flowers are sessile or nearly so upon the summit of the pedun- cle. Ex. button-bush, clover, globe-amaranth (Gomphrena). a. But the more common kind of cajntidum is that where the summit of the peduncle {rachis) is dilated into a broad disk {re- ceptacle) bearing the sessile flowers upon its surface. This is the kind of inflorescence peculiar to the vast family of the Compositse, and is equivalent to the compound Jtowers of the earlier botanists. h. In the capitulum there is a general resemblance to the simple flower, the CYME. 105 rays answering to petals, and the involucre (254) to the calyx. The flowers are called florets, those in the outer circle, florets of the ray, and those of the central portions, florets of the disk. 304. The panicle is a compound inflorescence, formed by an irregular branching of the pedicels of the raceme. Ex. oats, Poa, and many other grasses. 305. The thyrse is the same as the panicle, having the lower branches rather shorter than those in the midst, and all of them ver}'^ compact, as in the lilac (Syringa), horse-chestnut. a. The umbel becomes compound when each pedicel becomes itself an umbel, as in most of the Umbclliferae. In these cases the secondary umbels are called umbellets, and sometimes partial lanbek. See § 254. By a similar decomposition, a raceme becomes a compound raceme, a cor^niib a compound corymb, Sec. FIG. 33. — Modes of inflorescence ; 1, raceme ; 2, ament ; 3, spadix ; 4, head ; 5, panicle ; 6, verticillaster; 7, thyrse. 306. Of the centrifugal inflorescence, the following varieties are described ; namely, cyme, fascicle, and verticillaster. 307. Cyme. Tliis inflorescence has the general aspect of the coiymb, but is remarkably distinguished from it by its centrifu- gal evolution, and by its branches being repeatedly 2-forked and 3 -forked, as exemplified in Hydrangea, Viburnum, chick- weed. a. The cjTne is found only in plants with opposite leaves, and its nonnal struc- ture and develonment are as follow? The terminal flower, wliich is the first to 106 INFLORESCENCE. be opened, is borne upon a peduncle of two or more nodes, which are, of course, transverse to each other (219, c). rrom one, or two, or all of these nodes, pairs of secondary, opposite peduncles arise, each of which, like the first, is binodal or niultinodal, and terminated by a flower. Again, in the nodes of these secondary peduncles, may arise, in the same manner as before, pau-s of tertiary peduncles, each to be tenninated by a flower, and perhaps to bear still other peduncles, and so on. b. Hence it is evident, that in each axil of the forked branches there should be a solitary flower. This, however, is often wanting. Irregularities may also be occasioned by the absence of other parts. 308. Fascicle. This is a modification of the cyme, in which the flowers become crowded, and nearly sessile, as in sweet William, and other species of Dianthus. 309. Verticillaster or verticil, called also, though improp- erly, whorl, is a term denoting those reduced cymes which are peculiar to the Labiatas, where two such cymes occupy the opposite axils of each pair of leaves. a. Sometimes the pedimcle, instead of producing flowers, is changed into a ten- dril, as in the vine. CHAPTER XIV. REVIEW OF THE PRINCIPLES OF NUTRITION. 310. It has already been shown, in the preceding chapters, that plants consist chiefly of Jbui- simple organic elements ; viz. carbon, oxygen, hydrogen, and nitrogen. The first mentioned exists in a larger proportion, the last in a smaller, than either of the others. These four elements constitvite about 94 per cent of all vegetable matter. 311. Carbon (essentially charcoal) enters so largely into the composition of plants, that it retains the exact form and texture of the wood after the other ingredients have been expelled by heat. On this element chiefly depends their solidity and strength. Its proportion is from 40 to 60 per cent. Nitrogen, although perhaps equally essential, is less abundant in the tissues, and exists largely only in certain important vegetable products ; as gluten, legumine, albumen. nr.VIKW OF THE PRINCIPf.ES OF NTTEITIOX. 107 812. Besides these four universal elements, many other sub- stances, earthy and mineral, are found in quantities greater or less in diiferent species : thus forest trees and most other inland plants contain potassa ; marine plants, soda, iodine, &c. ; the gi-asses, silex and phosphate of liine ; rhubarb and sorrel, oxalate of lime ; the Leguminosaj, carbonate of lime. Now all these ingredients, being found in plants, are inferred to be essential elements in the food which they require for healthy vegetation ; and an inquiry into the sources from which they may be supplied, constitutes the chief object of Agricultural Chemistry. 313. It is evident that plants do not create a particle of matter, and therefore do not oi'iginate in themselves any of the ingre- dients which compose them ; consequently they must obtain them from sources without. These sources are obviously air, earth, and water. Carbon is derived from the carbonic acid which the atmosphere contains, and from the decaying vegetable matter of the soil. Oxygen is derived from the water, and from the carbonic acid of the atmosphere ; hydrogen, from water and ammonia ; and nitrogen, from ammonia alone, either drawn from the air or the soil. 314. The ATMOSPHERE contains about yo^g^ part of carbonic acid, diffused throughout the whole extent ; and, as this gas con- tains 27 per cent, of carbon, it may be demonstrated, that the whole atmosphere contains at least fourteen hundred billions of tons of solid carbon, derived from the sources mentioned in § 282, — an amount fully adequate to the vast and ceaseless drain made upon it by the vegetable kingdom. 315. Soil consists of two classes of materials ; viz. mineral and organic. The former, called earths, consists of disintegrated and decomposed rocks, — all the various mineral substances which are found to enter into the composition of plants, as potassa, soda, silica, lime, &c., all of which are more or less soluble in water. The organic materials consist of the remains of former tribes of plants and animals, mingled with the earths, which, having access to air, are decomposed, evolving carbonic acid and ammonia both to the air and the water. 316. \Yater is composed of oxygen and hydrogen, in the pro- portion of 8 to 1 by weight. Having pervaded the atmosphere 10 108 REVIEW OF THE PRINCIPLES OF NUTRITION. in the state of vapor and rain, and percolated through the soil, it holds in solution carbonic acid, ammonia, and many of the various minerals above mentioned. 317. Ammonia consists of nitrogen and hydrogen, in the pro- portions of 14 to 3 by weight. It arises from decaying animal and vegetable matter, as above stated, and is also generated in the atmosphere, during storms, by the flashes of the electric fluid. 318. Thus it appears that the three compounds, water, car- bonic acid, and ammonia, may yield to plants their four essential organic elements. And, since all of them are contained in the air, some plants are capable of subsisting on air alone ; but most species are dependent on water, earth, and air, and demand a copious supply. The external circumstances, therefore, first requisite to healthy vegetation are, — 1. Free access to an atmosphere which is often agitated by- winds. 2. A proper supply of rain or river-water. 3. A soil possessing the pecuhar minerals required by the species to be grown upon it, together with a certain proportion of vegetable mould. 319. The first of these is everywhere abundantly supplied by nature, and asks no aid from man. The second and third are often deficient, and are to be supplied by the labors of agricul- ture. By irrigation, streams of water are turned from their natural channels to add to the scanty moisture of fields parched with drought ; while, by drainage, the inundated bog is con- verted into a luxuriant lawn. 320. The object o'l tillage is to pulverize and lighten the too compact soil, and thus expose every part to the oxygen of the air in order to hasten its decomposition. The object of manur- ing is mainly to increase the quantity of organic matter. By various atnendmcnts, as gypsum, lime, and pulverized charcoal, ammonia is powerfully attracted from the air, and yielded again to the water. Marl promotes the decomposition of the soil, and ashes add to the potassa which exists naturally in it being derived from the decomposition of the rocks wliich contain it, as fjranite, clay-slate, basalt, &;c. REVIEW OF THE PRINCIPLES OF NUTRITION. 109 321. Soils are often improved by lying fallow for a season, thus allowing time to form by decomposition a fresh supply of that particular ingredient which had been exhausted by previous crops. On the same principle is explained the beneficial effects of a rotation of such crops as require difierent mineral substances in their composition. 322. But when all these materials have been supplied to the plant, still two other agents are requisite, without which the great work of vegetation will not go on. These life-giving principles are light and heat, both of wdiich emanate in floods from the sun. Under their influence the raw material is received into the ves- sels of the plant, and assimilated to its own substance, — a pro- cess which can be fully comprehended only by Him whose power is adequate to carry it on. 323. Under the influence of solar light, and a temperature above the freezing point, water is imbibed by the roots and raised into the tissues of the stem, dissolving, as it passes, small portions of gum or sugar previously deposited there. In this state it is crude sap. But passing on it enters the leaves, and is there subjected to the action of the chlorophylle (215, a), which chiefly constitutes the apparatus of digestion. Here it is con- centrated by exhalation and evaporation, sending off quantities of pure water. Meanwhile the leaves are imbibing carbonic acid, decomposing it, retaining the carbon, and returning pure oxygen to the air. 324. Thus elaborated, the sap is now termed the proper JUICE, and consists of course of carbon and water, with a little nitrogen, and minute portions of the mineral substances men- tioned above. From this juice are elaborated the building material of the vegetable fabric, and all its various products and secretions. 325. First, by the aid of light, chlorophylle is developed, cloth- ing the plant in living green. Next lignin is produced, the peculiar principle of tissue, whether cellular, vascular, or woody, consisting of carbon with the exact elements of water, viz. oxy- gen and hydrogen. 326. Meanwhile gum, starch, and sugar, nutritive products common to aJl plants, are also developed from Xk^ proper juice, — 110 REVIEW OF THE PRINCIPLES OF NUTRITION. not all to be immediately employed in building up the tissues, but mostly to be stored away in reserve for future use. Such deposits are made in the root of the beet, tuber of the potato, and in the fruit of almost all plants. These three products, with lignin, are all composed of carbon with the elements of water, — gum and starch containing them in the same proportions. 327. Sugar is sometimes produced directly from the proper juice, as in the root of the beet, stalk of the maize and sugar- cane ; but oftener, during germination, from the starch deposited in the seed. Its composition differs from that of starch, only in containing a larger proportion of the elements of water, or (what is the same thing) a smaller proportion of carbon. The trans- formation of starch into sugar appears to be dependent on the presence of a certain substance called " diastase ; minute quan- tities of which exist in seeds, and about the eyes of the potato." 328. The similarity of these four general products, in chemical constitution, accounts for the facility with which they are con- verted into each other in the growing plant. Thus gnm is converted into starch (in which state it is best adapted for pre- servation), and starch is converted into sugar (131). In flowering, sugar is rapidly consumed by the flower, — a portion of it being reconverted into starch, and deposited in the seed. Both gum and sugar appear to be converted into lignin during the growth of the tissues; and this substance, in the laboratory of the chemist, has been changed again into gum and sugar. 329. Among the numerous secretions of plants which our limits forbid us to consider, are the vegetable acids, containing more oxygen than exists in water ; and the oils and resins, containing less than exists in water, or none at all. These substances vary in the different species almost to infinity, taking into their con- stitution, in addition to the four organic elements, minute portions of the mineral substances introduced by rain-water. Their peculiarities of flavor, odor, color, properties, &;c. although so obvious to the senses, are occasioned by differences in constitu- tion often so slight as to elude the most delicate tests of the chemist. SPECIES AND GENERA. Ill CHAPTER XV. SYSTEMATIC BOTANY. §1. OF THE CLASSIFICATION OF PLANTS. 330. Systematic Botany relates to the arrangement of plants into groups and families, according to their characters, for the purpose of facilitating the study of tlieir names, affinities, habits, history, properties, and uses. 331. The student in botanical seience is introduced into a boundless field of inquiry. The subjects of his research meet liim at every step : they clothe the hill and the plain, the mountain and the valley. They spring up in the hedges and by the wayside ; they border the streams and lakes, and sprinkle over its sur- foce; they stand assembled in vast forests, and cover with verdure even the depths of the ocean ; they are innumerable in multitude, infinite in variety. Yet the botanist proposes to acquaint himself with each individual of tliis vast king- dom, so that he shall be able readily to recognize its name, and all that is either interesting, instructive, or useful concerning it, whenever and wherever it is pre- sented to his view. 332. Now it is obvious, that if the student should attempt the accomplishment of this task by studying each individual plant in detail, whether with or without the aid of books, the longest life would scarcely be sufficient to make a begin- ning. 333. But such an attempt would be as unnecessary as fruitless. The Author of Nature has grouped these mjTiads of individuals into species (50). Wlien he called them into existence in their specific fonns, he endowed each with the power of perpetuating its own kind and no other, so that they have descended to us distinguished by the same differences of character and properties as at the begin- ning. "UTien, therefore, the student has become acquainted with any one indi- ^•idual plant, he is also equally acquainted with all others belonging to the same species. a. Thus a single stalk of white clover becomes a representative of all the mil- lions of its kind that grow on our hills and plains, and a single description of the ivhite pine will answer, in all essential points, for every individual tree of that ancient and noble species, in all lands where it is found. 334. Again, the species themselves, although separated from each other by obvious differences, still are found to exhibit many constant affinities, whereby they are formed into larger groups, called genera (52). Thus the white clover and the red (Trifolium repens and T. pratense) are universally recognized as of different species, but of the same genus ; and a single generic description of any 10* / 112 SYSTEMATIC BOTANY. one plant of the genus Trifolium will convey intelligence, to a certain extent, concerning every other plant belonging to its 150 species. 335. Thus the whole vegetable kingdom is gi-ouped into species, and the spe- cies themselves into genera. But natural affinities do not stop here. The genera are still too numerous for the purpose of clear and systematic study. The natu- ralist would therefore generalize still further, and reduce the genera to still fewer and larger tribes or groups. Accoi'dingly he finds, on comparing the genera with each other, that they still possess some characters in common, although, perhaps, of a more general nature than those which distinguish them among each other. These general characters, therefore, sei-ve to associate the genera into a sys- tematic arrangement of Classes and Orders. 336. There are two independent and widely different methods of classifying the genera, wliich have generally been approved, namely, the Artificial System of Linnaeus,, and the Natural Sys- tem of Jussieu. The former has for its basis those characters which are derived from the organs of fructification, leaving all other natural affinities out of view. The latter, on the contrary, is founded upon all those natural affinities and resemblances of plants, by which Nature herself has distinguished them into groups and families. 337. In legard to the relative merit of these two arrangements there is now no longer room for comparison. That of Linnaeus is truly ingenious and beautiful, and furnishes, perhaps, the readiest means for detei-mining the names of plants ■which has ever been devised; but this must be regarded as its principal use. Indeed, its author liimself did not design it for any higher end, or claim for it any higher merit. 338. But, in acquiring a thorough and accurate knowledge of the vegetable kingdom, the Katural System is not only the best, but it is the only method which can be relied upon for this purpose. The obscurity and misconceptions which fonnerly embarrassed the science of the vegetable structure, so as to render this system unavailable, have now been so far removed by the labors of De Candolle and Lindley, in Europe, and of Drs. Ton-ey and Gray, of our own country, that it is brought generally within the scope of the ordinary mind, and shoAvn to be founded in true philosophy. Accordingly, it is now generally adopted. 339. Still, the difficulties attending analysis * by the Natural System alone, are confessedly too great to be successfully encountered at tlie threshold of the science, by him who has it yet to learn. These arise, partly from the obscurity of the charactei'istic distinctions employed, and partly from the remaining inac- curacies of their definitions. On this account it has been thought best to retain, in this work, the artificial characters of the Linnsean Classes and Orders, in the * Analysis, as used iu botany, denotes the dissection and examination of the organic struc- ture of plants, in order to learn their characters, affinities, names, &c. See s 344 — 348. THE NATURAL SYSTEM. 113 form of mialytical tables, to be used simply as a guide in the analysis of plants, to point the learner to the place in the Natural System which his specimen occupies. 340. The artificial arrangement consists of classes, orders, genera, and species. The two latter are the same as in the nat- ural system (50, 51), and the two higher divisions, classes and orders, have already been seen (74, 80) to be founded upon the number, situation, and connection of the stamens and pistils. CHAPTER XVI. OF THE NATURAL SYSTEM. 341. It is the aim of the Natural System to associate in the same divisions and groups, those plants which have the greatest general resemblance to each other, not only in aspect and struc- ture, but also in properties. 342. While the artificial arrangement employs only a single character in classification, the natural seizes upon every charac- ter in which plants agree or disagree with each other. Thus, those plants which correspond in the greatest number of points will be associated in the smaller and lower divisions, as species and genera, while those corresponding in fewer points will be assembled in divisions of higher rank. 343. By an acquaintance, therefore, with the characters of each of the famihes of the Natural System, we may at once determine to which of them any new plant belongs, what are its affinities Avith others, and what are its poisonous or useful properties. 344. Although the aim of tliis System is as above stated, yet the full consummation of it is still reserved for a future age. At present, though greatly advanced, we are still obliged to call in the aid of artificial characters, where Nature is as yet too pro- foimd for ordinary skill. Such aid is, for example, employed in the first subdivision of Angiosperms. 114 THE NATURAL SYSTEM. 345. The fii-st and highest division of the vegetable kingdom, namely, into the Phcenogamia or Flowering Plants, and the Cryptogamia or Flowerless Plants, has ahready been noticed, and its distinctions explained, in Chapter III., and elsewhere. These grand divisions he at the foundation of both the System of LinnsBUS and of Jussieu, and are truly founded in nature ; for The Ph^enogamia 1. Consist of a regular axis of growth with leafy appendages. 2. They possess a woody and vascular structure. 3. They develope flowers, and 4. They produce seeds. On the other hand The Ckyptogamia 1. Are destitute of a regular axis and of true leaves. 2. They possess a cellular structure only. 3. They do not develope flowers, and 4. They produce spokes (129) instead of seeds. 346. These distinctive characters must not, however, be regarded as decisive in all cases ; for the higher Cryptogamia, as the ferns, give indications both of a regu- lar woody axis and of a vascular structure, while some of the lower Phoenogamia can scarcely be said to produce flowers. And, universally, so gradual are the transitions from family to family and tribe to tribe, that it is impossible to fix upon characters so definite as to completely cu-cumscribe any one group, while at the same time, they exclude every member of surrounding and approximating groups. 347. There is a small and curious order of plants of comparatively recent dis- covery, native chiefly of the East Indies, which appear, from the most authentic accounts of them, to form the connecting link between the Flowering and Flow- erless plants, combining a part of the characters of each, so that botanists are at a loss to which it belongs. They possess a cellular stnicture, develope flowers immediately from the root, whence they are called Ehizanths {oityj, a root, avflof, a flower) ; but their ovaries are said to be filled with spores instead of seeds, and hence they are also called Sporogens. Ex. RaSlesia. 348. Again, the Phsenogamia are veiy naturally resolved into two subdivisions, depending upon their manner of growth, called ExoGENS and Endogens, whose distinctions are briefly as fol- lows : — ExOGENS, 1. Growing by external accretions (196). 2. Bearing leaves which have reticulated veins (229) and which fall off by an articulation. 3. Seeds with two or more cotyledons (127) or dicotyledonous. acrogews. 115 Endoqexs, 1. Growing by internal accretions (197). 2. Leaves parallel-veined (229) and decaying without falling otf. 3. Seeds with one cotyledon (126) or monocotyledonoui. 349. Classes. The gi'oups above mentioned, comprising the whole vegetable kingdom, are again subdivided into six classes. The first two are formed from the subdivision Exogens, and are founded upon the presence or absence of the pericarp ; namely, Class I. AxGiosPERMS, (as the oak, rose,) 1. Ovules produced within an ovary, and 2. Fertilized by the action of the pollen through the stigma. 3. Becoming seeds enclosed in a pericarp. 4. Embryo with two opposite cotyledons. Class II. Gymnosperms, (as the pine, yew,) 1. 0\'ixles produced naked beneath a scale-like carpel. 2. Fertilized by the direct action of the pollen without the stigma. 3. Becoming tiidy naked seeds, that is, destitute of a pericarp. 4. Embryo mostly with several whorled cotyledons. 350. The next two classes are foniied from the subdivision Eudogens, and are founded upon the presence and absence of glumes or husks ; namely, Class III. Aglu-mace^ or aglumaceous endogens, Plants of the endogenous structure with flowers constmcted on the usual plan ; perianth verticillate, of one or more whorls of petaloid organs, or wanting. Ex. lily, orchis, rush. Class IV. Glumacejs or glusiaceous endogens, Plants of the endogenous structure, the flowers invested in an imbri- cated perianth of glumes instead of a calyx ; as the grasses, grains, sedges. 351. The Cry]itogamia are separated into two gi-eat classes, called Acrogens and Thallogens ; the former including those tribes which make some approximation towards the Phaenoga- mia, and the latter including the lowest tribes of the vegetable kingdom. As their names indicate, they are distinguished from each other by their manner of growth ; thus, Class V. Acrogems (growing from c«k§oc, the summit or point) have a regular stem, or axis, which grows by the extension of the point, or apex only, without increasing at all in diameter, generally furnished with leaves, and composed of cellular tissue and ducts. Ex. ferns, mosses, club- mosses, and the Equisetaceae. 116 TJIE NATURAL SYSTEM. Class VI. Thallogens, consisting merely of cellular tissue, with a tendency to grow into a flat expansion called thallus, but having no distinction of root, stem, leaves, or flowers. Ex. Lichens, seaweeds, livenvorts, fungi. 352. Affinities of the Six Classes. These may be represented to the sight by the following aiTangement • Angiospemis. Gymnosperms. Aglumacea3, Acrogens. Glumaceas. Thallogens. Angiosperms stand in the highest rank, as they justly merit, by their superior organization. These are nearly allied to Gymnosperms by their mode of growth ; and, on the other hand, to Aglumaceje by their mode of flowering. Gymnos- perms are intimately connected with Acrogens through Eqiiisetaceaj of the latter, which stands intermediate ; and the Aglumaceffi approach the Glumacese, almost indefinitely, through the Junceaj (rushes). Between the Acrogens and Thallo- gens a close relationship is established through the Musci (mosses), while the sporogens form the connecting link between the Endogens and the lowest tribes of vegetation, as the Fungi. Thus, from the highest rank we descend to the low- est, through Gjinnosperms and Acrogens on the one hand, and tlu-ough Aglu- macese and Glumaceise on the other, forming a circle of afiinities. 353. The mutual relations of the six classes with the higher di\'isions, are pre- sented in the following sjTiopsis : jExOGENs; jgjj /j Jf H^NOGAMIA ; ■{ > Vegetable J [ Endogens ; < TCn«fjr>mvr • 1 \ Angiosperms. Gymnosperms. Class III. Aglumaceous. ■cr 1 I Class IV. Glujiaceotjs. Kingdom;! ( Class V. Acrogens. [ CETPT0GA3IIA i j ^j^^^ ^j Thallogens. 354. SuB-CLASSES. The classes are next to be broken up into smaller divisions. In efTecting tins object most writers have employed artificial methods, since no natural one, founded upon clear and comprehensive distinctions, has yet been de- vised. Thus Angiosperms, which class is by far the largest of the six, is divided into tlnee sub-classes. PoLYPETALiE, or poly-. PETALous ExoGENS, flowers with distinct petals ; Monopetal^, or monopetalous Exogens, flowers with united petals ; Apet- AL.J:, or apetalous Exogens, flower with no floral envelopes, or with a calyx only. 355. Orders, or Families, are the most important of all the natural associations. On thp ^fo^-i-mnfr r>-nA r\^^V\r\ofr\pt> Cotyledons conduplicate. 4 A naturalized plant. t A plant cultivated for ornament. 1 A plant cultivated for use. This, with the two last, are placed at the end of a description. In other situations they have their usual signification a.s rnarks of division or reference. In measure of "length, or other dimensions, the following signs are adopted in this work : — f (without the period) A foot. ' (a single accent) An inch. " (a double accent) A line (one twelfth of ')• ! The note of exclamation, now common in botanical works, is used in contrariety to the note of interrogation (?). It denotes, in general, certahUy from personal obser- vation. Affixed to a locality, it denotes that the writer has examined specimens either in or from that place." Affixed to the name of an individual, it denotes that the writer h:is examined specimens supplied by him. In this work the note of affir- mation is used only where the fact stated or "implied is somewhat 72eir, or might otherwise have been regarded as doubtful. Authors' names, when of writing the first syllable and are nearly all the names thus Adans. Adanson. Agh. Agardh. Ait. Aiton. Arn. Arnott. Bart. Barton. Benth. Bentham. Berl. Berlandier. Bernh. Bernhardt Brongn. Brongniart. Bigl. or Bw. Bigelow. Boehm. Boehmer. Bong. Bongard. Br. Brown. Cass. Cassini. Cav. Cavanilles. Darl. Darlington. DC. De Candolle. Desf. Dcsfontaines. Desv. Desvaux. Dew. Dewey. Duh. Duhamel. Endl. Endlicher. Ehrh. Ehrhart. Ell. Elliot. more than one syllable, are usually abbreviated by the next following or last consonant. The following abridged in this work : — Engel. Engelman. Forsk. Forskahl. Froel. Froelich. Ga;rt. Gsertner. Ging. Gingins. Gmel. Gmelin. Gron. Gronovius. Hedw. Hedwig. Hofl'm. Hoffmann. Hook. Hooker. Juss. Jussieu. Lam. Lamark. Lee. Le Conte. Lindl. Lindley. Linn.* Linnaeus. Lk. Link. Lehm. Lehmann. Mart. Martins. Mentz. ^Mentzel. ilichx. Michaux. MUl. Miller. Jlirb. Mirbel. Mcench. Mcenchai;sen. Muhl. Muhlenberg. Nutt. Nuttall. Pers. Persoon. Pall. Pallas. Pav. Pavon. Poir. Poiret. Ph. Pursh. R. Br. Robert Brown. Raf. Rafinesque. Rich. Richard. Schw. Schwenitz. Scop. Scopoli. Ser. Seringe. Schk. Schkuhr. Sm. Smith. Spr. Sprengel. Sw. Swartz. T. & G. Torrey & Gray, Torr. Torrey. Tourn. Tournefort. Traut. Trautvetter. Willd. Willdenow. Walt. Walter. ANALYTICAL TABLES. The object of scientific tables is usually twofold. First, philosophical ; — to ex- hibit in one condensed view the affinities and differences of the several subjects to which thev relate, by bringing them into immediate comparison and contrast. Second, practical ; — " to aid the student in his researches by aftbrding him an abridged method of analysis. The analytica. tables which accompany this flora may subserve both these purposes, but they are designed chiefly for the latter ; viz. • In this flora, wherever no authority is added to the generic or specific name, Lmn. is to be understood. ISO ANALYTICAL TABLES. as an expeditious method of botanical analysis. They are the result of much labor and investigation, since each character employed required a previous examination of all the species included under it. The process of analysis by these tables consists of a simple series oi dilemmas or alternatives ; the decision being, in almost all cases, to be made merely between two opposite or obviously distinct characters. These decisions or (A7c/« was being, moreover, few in number, conduct the student with absolute precision (provide'^cl the tables be free from error, and the specimen a good one) to the order or genus to which his plant belongs, by once or a few times reading across the page. The advantages thus afforded will be duly appreciated, at least by those who have hitherto been subjected to the drudgery of reading through whole pages of dry generic descriptions, and that too, often, without arriving at any satis- factory conclusion. In regard to the generic characters employed in the tables, it will be observed that they are drawn from leaves, fruit, flower, Or any portion of the plant which suited our convenience, — our only inquiry being after those which appear to us the most obvioics and constant. It should be remarked, however, that in many instances these characters are not strictly applicable to all the known species belonging to those particular orders or genera, but only to those which are described in this work ; that is, found in the United States, north"of lat. 381". In our choice of terms we have always, of necessity, studied the utmost brevity of expression, but have used none but such as are explained in the glossary or in the body of the work. Although the manner in which these tables are to be used will in general be ob- vious at a glance, yet it may not be unprofitable to attend to the following directions and illustrations. 'We will suppose the student to be in possession of an unknown plant which he wishes to study by the aid of the Flora, in other words to analyze. To this end, he first determines to which of the six great classes of the natural sys- tem it belongs, — either by his previous knowledge of their characters, which should be thoroughly understood, or by an appeal to the first synoptical view, page 130. Thus he inquires, — 1. Is the plant a flowering or flowerless one ? Ans. Flowering. It belongs there- fore to Phjenognmia. Turn next to the 'id couplet. 2. Are the leaves net-veined, &c. or paraEel-veined, &c. Ans. Net-veined, and the flowers are not wliolly trimerous ; that is, the petals, sepals, and stamens, are in in threes, but the carpels are single. The plant belongs, therefore, to Exogens. Turn to the 3d couplet. 3. Stigmas present, &c. or stigmas 0, &c. Ans. Stigmas present. The_ plant therefore belongs to Class I. Angiospermous Exogeus. Next ascertain to which of the sub-classes it belongs, by synopsis 2d. 4. Are the petals distinct," or united, or 0, &c. ? Ans. Distinct. The plant will be found therefore among the Polypetalous Exogens. Now turn to the Conspectus of the Orders of this subdivision, and inquire, — 7. Is the plant an herb or a shrub ? Ans. A shrub. Turn then to couplet 54. 54. Leaves opposite, or leaves alternate ? Ans. Alternate. Ti;rn to 65. 65. Stipules present, or stipules none ? Ans. Stipules none. 70. 70. Flowers cf ?, or § ? Ans. §. Turn then to couplet 72. 72. Stamens (00) indefinite, or 6, or 4, or 5 ? Ans. 6 ; and the plant belongs there- fore to the natural order Berberidacece. The pupil now turns to Order vl. and inquires in the Conspectus, — Is the plant an herb or a shrub ? Ans. A shrub, and therefore belongs to Berberis, genus 1st. Turn finally to that genus, and study the species. Again, suppose the plant to be an herb. Turn to couplet 8. 8. Leaves alternate, &c. or opposite ? Aiis. All radical. 9. 9. Stipules present or 0 ? ^4?j,'!. Present (radical). 34. 34. Flowers regular or irregular ? Ans. Regular. 35. 35. Stamens monadelphous or distinct ? Ans. Distinct, and the order sought is Rosace*. Then turn to Order XLVIII. and inquire, — Ovaries free or adherent ? A)is. Free. Naked or enclosed, &c. ? Ans. Naked. Are they 3 — 50 in number or 1 only ? A7is. 3 — 50. Are they in fruit follicles, a compound berry, or achenia ? Ans. Achenia. On a dry receptacle or juicy ? Atis. Dry. Caudate with the persistent style or not ? A?is. Not caudate. Leaves simple or compound ? A7is. Compound. Is the plant caulescent or acaulescent ? A7is. Acaulescent, and the genus is Waldsteiuia. Turn lastly to that genus, and learn the species. Further illustrations are perhaps unnecessary. SYNOPSIS OF THE NATURAL SYSTEM. Sec> !• Classes and Subclasses. 1 Flowering plants (Ph^enogamia). 2 I Flowerless pliints (Cryptogamia). 5 2 Lv3. net-veined (§ 229, 1). Fls. never wholly trimerous (Exogens). 3 2 Lvs. parallel- (rarely net-) veined. Fls. trimerous (Endogens). 4 3 Stiemas present. Sds. enclosed in a pericarp. 6 ANGIOSPERMS. I 3 Stig. none. Sds. quite naked. (Conifeh^. CXXXI) GYMNOSPERMS. II 4 Sepals and petals verticillatc or 0. Glumes 0. 143 AGLUMACE^. Ill 4 Sep. and pet. none. Glumes altern. Fr. 1-s'ded. 163 GLUMACE^. IV 5 Stems and leaves distinguishable. 164 - - - - ACROGENS. V. 5 Stems and leaves undistinguishable. 168 - - - THALLOGENS. VI 6 Petals (or pctaloid sepals) distinct. 7 Polj'petalae. I 6 Petals united (at least at their bases). 76 - - - - Mouopetalae. II 6 Petals 0. Sepals more or less united or none. 116 - Apetalse. Ill Sec. II. Orders of the Polypetalous Bxogens. 7 Herbs (164), annual, biennial or perennial, rarely suffruticose at base. - - 8 7 Shrubs and trees (164). 54 8 Leaves alternate or all radical. ---------------- 9 8 Leaves cauliiie, opposite, at least the lower ones. -- ...--.-38 9 Stipules (249) present. 34 9 Stipules none. .-.-----------------10 10 Polyandrous,— stamens (20—200) indefinite. 11 10 Oligandrous, — stamens (few) definite. -------------17 II Stamens (hypogynous) inserted on the receptacle (74, 2d). 12 11 Stamens (perigynous) inserted on the calyx or corolla. 16 12 Ovaries simple; fruit acheniate, foUiculate, &c., never capsular. 13 12 Ovaries united into a compound capsule. ------------15 13 Leaves never peltate. Seeds albuminous. Ranunculaceje. I 13 Leaves centrally or subcentrally peltate. Aquatic. 14 14 Sepals and petals definite (2 — 4). Seeds albuminous. - - Cabombaceje. VH 14 Sepals and petals indefinite, numerous. Albumen 0. - - - NelumbiacejE. VIII 15 Sepals and petals indefinite, numerous. Nymphjsaces. IX 15 Sepals and petals 5. Lvs. pitcher- or trumpet-form. - Sarraceniace*. X 15 Sepals 2. Juice usually colored. Papavebace.e. XI 16 Sepals and petals 5—10. A ' ' ' 'r Jt 16 Sepals and petals indefinite and confounded. - Cactace.e. LXI 17 Flowers very irregular. -----------------18 17 Flowers regular or nearly so. -------------^-20 18 Filaments 6 or 8, united below into one or two sets. -- 19 18 Filaments 5, cohering only at top. Balsaminace.e. XXVIII 18 Filaments 8, distinct. Leaves peltate. Tropjeolace^. XXIX 18 Filaments 8, distinct. Lvs. bitemate. Vine with tendrils. Sapindaceje. XLIV 19 Leaves much dissected and divided. Fumariace^. XII 19 Leaves simple, entire. Polygalaceje. XVI 20 Ovaries superior (97), free from the calyx ornearly so. - --------21 20 Ovaries inferior, or wholly adherent to the calyx (97). -- 32 21 Sepals 2. Fleshy herbs. Pohtulacace«. XXIV 21 Sepals 3 or more. ......-------22 22 Sta. (hypogynous) inserted on the receptacle or torus. 23 22 Stamens (perigynous) inserted on the calyx. ---"""""""" ^J 23 Sepals, petals and stamens symmetrical (61, c). - - 24 23 Sepals, petals and stamens unsymmetrical. Fruit a pod. 29 24 Carpels solitary, fruit simple, one-celled. Beebehidace.e. VI 24 Carpels 3 — 5, more or less united. -------•"""""■?§ 25 Leaves simple. ..........---------^o 25 Leaves compound. .---.-..-------- " " ^| 26 Ovary and capsule one-celled. Aquatic. Dhoseraceje. XVIU 26 Ovary and capsule 5 10-celled. ---.-.--- Linace^. XXVI 27 Plants aquatic. Fr. 2— 5 fleshy achenia. Juice acid. Limnanthaceje. XXX 27 Plants not aquatic. ""■■'■"'""' ",-v'""" '■v'vvr 28 Leaves palmately 3-foliate. Juice acrid. Oxalidace.s;. XAAl 28 Leaves pinnate, with pellucid resinous dots. - - - - RuTACEfi. XXXI V ■ 29FIowerscruciform(105, 1). Pods2-carpeled,2-celled. - Chuciferje. XIU 29. Flowers not cruciform. ^" 12 132 SYNOPSIS OF THE NATURAL SYSTEM. 30 Pods 2-carpeled, one-celled. Capparidace^. XIV 30 Pods 3 — 6-carpeled, one-celled. Resedace;e. XV 31 Ovaries (3 — 20) as many as the sepals. Cbassulace;e. LXIV 31 Ovaries (2) fewer than the sepals. Saxifhagace^e. LXV 32 Flowers in simple or compound umbels. --- ---33 32 Flovi'ers in racemes, solitary, &c. --------- Onaghaces. LV 33 Carpels 2, dry, separable, 1-seeded, indehiscent. - - Umbellifer^e. LXVII 33 Carp. 2 — 6, inseparably combined into a berry or drupe. Ahaliace^e. LXVIII 34 Flowers regular. --.... 35 34 Flowers irregular. --------------- 36 35 Stamens monadelphous (74, xvi). .--.-. Malvace^e. XXXVII 35 Stamens distinct. ------------ Rosacea. XL VIII 36 Fruit a three-celled capsule. --.-.--.--------37 36 Fruit a legume (116, 4). ...-- Leguminosje. XLVIj 37 Caps.with 3 broad wings. Monoecious and monadelphous. Begoniace.e. LVIII 37 Capsule not winged. Flowers perfect. ...... VioLACEiE. XVII 38 Stipules present, sometimes minute. -.....-.---..39 38 Stipules none. ---------------------41 39 Ovaries 5, distinct and one-seeded in fruit. - - - Gehaniacke. XXVII 39 Ovary compound, 1 — 5-ceUed. .---...----..-40 40 Sepals, petals and stamens 5. - ------- Jllecebrace*. XXII 40 Sepals, petals, stamens and styles 2 or 3. Aquatic. - Elatinace^. XXV 41 Flowers very irregular. Polygalaceje. XVI 41 Flowers regular or slightly unequal. - .-... ..49 42 Ovaries inferior. .-.-.-.-.43 42 Ovaries superior. ...------- 45 43 Calyx adhering only to the angles of the ovary. - - . . Melastomaceje. LI 43 Calyx tube wholly adherent to the ovary. .-.--.-----44 44 Involucre 4-leaved, white, subtending the small cyme. - - - Cornace^. LXIX 44 Involucre 0. Leaves (3 only, compound, lxviii.) many. - Onageace*. LV 45 Ovaries 00, distinct, simple, acheniate, caudate. - - - Ranunculace^. I 45 Ovaries compound, (or simple, with 2 Ivs and I. fl. vi.) 46 •16 Sepals 2, fewer than the petals. PoRTULACACEi:. XXIV 46 Sepals 3 — 5, more or less united. -47 47 Styles united into one. --- ......---48 47 Styles distinct. 49 48 Sepals equal, combined into a tube. --------- Lythrace*. LIl 48 Sepals unequal, nearly distinct. - CisxACEiE. XIX 49 Stamens hypogynous (arising from the receptacle). 50 49 Stamens perigynous (arising from the calyx). 51 50 Stem tumid at the nodes. Leaves not punctate. - Cakvophvllace^. XXIII 50 Ste^ often ancipltal. Leaves with pellucid and black dots. Hypehicace.e. XX 51jBtamens 20 or more, indefinite. Exotic. - - - Mesembrvace.e. LXII 5]^tamens fewer than 20, definite. -----52 52 Cupels (follicles) distinct, always as many as the sepals. Chassulaceje. LXI V 52 Carpels 2 — 5, partly or completely united. -.----.--.--53 53 Embryo coiled around the albumen. Styles 3 — 5. CARYOPHYLLACEiE. XXIII 53 Embryo straight, in the midst of the alb. Styles 2. - Saxifragace.e. LXV 54 Leaves opposite. ....- 55 54 Leaves alternate. --......--.---------65 55 Stipules present, deciduous. -----... Celastrace.e. XLV 55 Stipules none. ---..--.--. 56 56 Flowers irregular. Hippocastanace*. XLIII 56 Flowers regular. ---..-.....-........57 57 Stamens (00) indefinite, 20 or more. - 58 57 Stamens definite, fewer than 20. -.- ......61 58 Ovary superior (§ 97). 60 58 Ovary inferior. -- 59 59 Ovary compound, of 3 — 5 carpels. Leaves dotted. - - Hypericace.e. XX 59 Ovaries 00, simple, enclosed in the fleshy calyx. - CalycanthacejE. XLIX 60 Styles united into one. Myrtace;e. L 60 Styles 4, distinct. § Philapelphe^. LXV 61 Ovary superior. --------------- -----g2 61 Ovary inferior. --------- ..---..----(;3 62 Fruit a one-celled capsule. Depressed shrubs. Cistace^. XIX 62 Fruit 2 united samarce (116, 10). Erect shrubs and trees. - Acerace^e. XLll C2 Fruit a 2-seeded berry. Climbing by tendrils. - - - ViTACEiE. XXXVIII SYNOPSIS OF THE NATURAL SYSTEM. 133 63 Styles 2, distinct. Cymes radiate. § Hydbanges. LXV 63 Styles united into one. .----------------o4 64 Berry 4-angled, 4-celled. Exotic. - Onagbace^. L\ 64 Drupe 1— 2-celled. Terrestrial shrubs or trees. - - - - Cohnacee. Lj^Xl;^ 64 Berry 1-celled, 1-seeded. Parasites. LoBANTHACEiE. LXX 65 Stipules present, sometimesniinute, or only 2glands. ob 65 Stipules none. Flowers regular. '^ 66 Flowers regular. ..--.- - - b7 66 Flowers more or less irregular. Leguminosje. AL.vii 67 Stamens 4— 5, distinct. Erect shrubs. - - o° 67 Stamens 5, united into one set. Climbing. - - - Passiflobace^. L,VU 67 Stamens 00, 20 or more. y'tvt 68 Stamens opposite to the petals. Rhamnaces. -?^\i 68 Stamens alternate with the petals. Celastbacee. AL, v 69 Filaments distinct, hypogynous. Flowers very large. - Magnohace.e^ ii 69 Filaments distinct, perigynous. ^°®^^^*Vyyvtt 69 Filaments united into one set. m ^'^^^^^■-ArvViTT 69 Filaments united into 5 sets. Flowers small. - - Tiliacex. XXXVIU 70 Flowers dia;cious. Climbing vines. - - - Menispermace^. V 70 Flowers diiEcious. Erect shrubs. --------- 71 70 Flowers perfect. --- ■""„'"""'" vvvtt 71 Ovary superior. Prickly shrubs. Zanthoxylaceb. ^^^'■\ 71 Ovary inferior. Unarmed. Hamamelace.e. LXVl 72 Stamens (00) indefinite, 18 or more. Ovaries (5 Ros. xlvihO 00 or 1. - - 7^ 72 Stamens 6, opposite to the 6 petals. Bebbebidaces. Vl 72 Stamens 4, alternate with the petals. Coenace*. LXIX 72 Stamens 5, alternate with the petals. '■* 73 Fruit large, fleshy pods. Flowers trimerous (63, a) - - Anonacm:. 1 V 73 Fruit a several-celled capsule. Fls. pentamerous. Tebnstb(EMAce«. XXXVI 73 Fruit a many-celled berry. Aubantiace^. X50C V 74 Fruit a dry, one-seeded drupe. Anacardiaces. XXXIH 74 Fruit a 2-celled, many-seeded capsule. § Escallionee. LXV 74 Fruit a one-celled, globose berry. Grossulace^ LX 74 Fruit a 5-celled baccate drupe. ABALiACEffi. LXVlll 75 Styles several, distinct. Rosacea. XL VIU 75 Styles united into L LoASACEiE. LVl Sec. III. Orders of the Mouopetalous Exogeus. 76 Herbs annual, biennial or perennial, """""■""""'"'"ill 76 Trees, shrubs or undershrubs. ---------------- 10b 77 Stem long, juicy, climbing by tendrils. ... - - Cucubbitace.e. LIX 77 Stem not furnished with tendrils. ----.----.--- ' '^\ 78 Leaves alternate or all radical. ----------------79 78 Leaves opposite, cauline. -------.--.--.----95 78 Leaves none. Plant without verdure. .-...--------93 79 Flowers regular. ---..-.------------80 79 Flowers irregular. -----...-..--------90 80 Stamens 5, cohering by the anth. Fls. small, in heads. - Compositje. LXXV 80 Stamens 4 — 10, distinct (or united and fls. not capitate). -.---.-81 81 Ovary (inferior) adherent to the calyx tube. ----------82 81 Ovary (superior) free. (Stamens 6, diadelphous. Vine. 19.) 83 82 Stamens as many as the lobes of the corolla. - - Campanulace*. LXXVII 62 Stamens twice as many as the lobes of the cor. - - § Vaccine^:. LXXVIII 83 Stamens twice as many as the slightly united petals. § Pyeoleb. LXXVIII 83 Stamens as many as the lobes of the corolla. ----------84 84 Stamens opposite the segments of the corolla. --.---.---85 64 Sta. alternate with the segm. of the cor. Styles united into one. - - - - 86 85 Ovary many-seeded. ---------- Prim0Lace«. LXXXII 65 Ova. 1-s'ded. Pet. often but slightly connected. PLrMBAGWACE^E. LXXXV 86 Acaulescent. Fls. spicate. Fr. a minute pyxis. Plantaginaceje. LXXXIV 86 Caulescent. - 87 87 Fruit 4 nearly distinct achenia (116, 9). Bobbaginaces. XCIV 87 Fruit compound, capsular, or baccate (follicular, 105.) 88 88 Corolla twisted and imbricate in aestivation. ... Polemoniaces. XCVI 88 Corolla twisted and plicate in aestivation, - - - Convolvulace.e. XCVIII 88 Corolla in aestivation not twisted. - 89 89 Fruit a few-(2— 4-)seeded capsule. .... - Hydbophyllaceb. XCV 134 SYNOPSIS OF THE NATURAL SYSTEM. 89 Fr. a many-seeded capsule or berry. jEstivation plicate. Solanaceje. XCIX 90 Ovary inferior. -------------- Lobeliace.k. LXXVI 90 Ovary superior. ----------- 91 91 Stamens 2, or 4 and didynamous. -- 9? 91 Stamens 5, rarely 4 and not didynamous. Cor.(veryirreg.l8) slightly uneq. 115 92 Ovary 1-celled. Aquatic, acaulescent. - - - - LentibulacejE. LXXXVI 92 Ovary (spuriously) 4-celled. --------- Pedaliace^. LXXXIX 92 Ovary regularly 2-celled. ---------- ScnoPHULARiACEi:. XCI 93 Flowers regular. ---. § Monothope^. LXXVIII 93 Flowers irregular. -------------------94 94 Erect herbs, color reddish-white or brown. - - - Orobanchace^. LXXXVII 94 Twining, parasitic vines, orange-colored. - - - - § Cuscutine*. XCVUI 95 Herbs with a watery juice. ----------------96 95 Herbs with a milky juice. Fruit 1 or 2 follicles. 105 96 Corolla limb quite regular, or else hgulate. -----97 96 Corolla limb more or less irregular. -.-.----------102 97 Fls. small, in dense, involucrate heads. Fr. achenia. Composit.e. LXXV 97 Flowers in umbels, racemes, &c., not involucrate. 98 98 Ovaries inferior. --...-.-..---..------99 98 Ovaries superior, or nearly so. -------------.--- 100 99 Fruit with 2 or more seeds. --- Rubiaceje. LXXII 99 Fruit with but 1 perfect seed. ------- ValerianacejE. LXXHI 100 Fruit 4 nearly distinct achenia. Labiate. XCHI 100 Fruit a 2-celled, many-seeded capsule. § Spigele^. LXXH 100 Fruit a 3-celled capsule, loculicidal. ------ Polemoniaces. XCVIII 100 Fruit a 1-celled, many-seeded capsule. -- --.-.. loi 101 Stamens opposite the petals. Placentae central, free. Primulace.e. LXXXH 101 Stamens alternate with the petals. Placentae parietal. - Gentianace^. C 102 Ovary inferior. - . - . 103 102 Ovary superior. -------.--.-.-- 104 103 Flowers in dense, involucrate heads. ------ Dipsaceje. LXXIV 103 Flowers solitary or geminate. --_ § Lonicere^. LXXl 104 Ovary 2-ceIled, Sds.(few, onhooks.AcANTHAcE^.xc.) Scrophulariaceje. XCI 104 Ovary drupaceous, entire, 2 or 4-seeded. ------ Verbenaceje. XCII 104 Ovary deeply 4-lobed, 4 distinct achenia in fruit. . - - - Labiate. XCIH 105 Flowers with a corona and in sin SUBCLASS I. POLYPETAL^. Floral envelops usually consisting of both calyx and corolla, the latter composed of distinct petals. Order I. RANUNCULACE^.— Crowfoots. Herbs, with an acrid, colorless juice. Leaves mostly alternate and much divided, with half-clasping petioles. Calyx.— Sefiah mostly 5, sometimes 3, 4 or 6, mostly deciduous, andimbricated in testivation. Corolla. — Petals 3 — 15, hypogynous, sometimes irregular or 0. StameTis 00, distinct, hypogj'nous. Anthers, adnate or innate. Ovaries 00, rarely solitary or few, distinct, seated on the torus. Fruit either dry achenia, or baccate, or follicular. Embryo minute, at the base of horny or fleshy albumen. Genera 41, species about looo (T.indley), mostly natives of cold, damp climates. Europe is supposed fo contain one fifth of the species. North America one-seventh, India one-twenty-fifth. South America one-seventeenth, Africa very few, and New Holland but 18. Properties.— A\mosit all the genera contain an acrid juice highly prejudicial to animal life, but easily decomposed and deprived of its activity by a heat of 212 deg. 'I hey also lose their poisonous (lualitiesin drying. This order is rich in ornamental cultivated plants. 138 I. RANUNCULACEiE. Clematis, FIG. 39.— 1. Ranunculus bulbosus. 2. A petal with the nectariferous scale. 3. A carpel with its beak. 4. Vertical section, showing the erect ovule. 5. Aquilegia Canadensis. 6. Torus, with the stamens and pistils, and a petal attached. 7. Follicle. 8. Seed. 9. Its vertical section, showing the funiculus and minute embryo. 10. Cross section of the flower, showing the arrangement of the 5 ovaries, the 20 stamens in i series, &c. Conspectus of the Genera. r follicular. C Sepals I equal. . 1 Sepals L unequal, rPet. small. < Petals 0. J Pet. 1 -lipped. Troltttta. ("Flowers 4 cauline. { Pet. 2-lipped. Ue.Ueborus. I solitary, \ radical. . . . Copris- I < white. . Cimiclfusa. L Flowers racemose, \ dark purple. Zantharliiza. <) Calyx white f Calyx bright yellow. I 4plane, 3-lobed. . L Petals conspicuous, fall spurred behind. J upper one large, vaulted. Ay (■Petals 0, or inconspicu. Isopyrum. Caltha. Nigella. Aquilegia. Aconitum. Delphinium.. Paonia. Trautvetteria. Thalictruni. 4 colored, . .? upper one spurred behind. . , { green and foliaceous. Petals plane. 5 palmate. 5 Leaves alternate, ( 2— 3-femate I Invol. 0. . . ? Leaves opposite. Mostly climbers. Clematis. I Involucre calyx-like, near the flower. . . Hepatica. 3 . Involucre leaf-like, remote from flower. . . Anemone. 2 i with no nectary, scarlet. . . Adonis. 4 , ^ with nectariferous, tubular claws. Myosurus. 18 acheniate. L Petals conspicuous, ...' with a nectariferous scale at base. Ranunculus. 5 < solitary, many-seeded. Flowers racemose Actma. 14 Carpels t baccate, (numerous, l—2-seeded. Flowers solitary Hydrastis. 20 1. CLEMATIS. Cfr. KKrifia, a tendril ; climbing by tendrils, or twining petioles instead. Calyx 4-(rarely 5, 6 or 8-) sepaled, colored, pubescent; corolla 0, or smaller than the calyx ; filaments 00, shorter than the sepals ; ovaries 4 — 20 ; styles longer than the stamens ; achenia caudate with the long, plumose, permanent style. — %■ Mostly climbing. Leaves mnstly comjpoiind a7id opposite. Anemone. I. RANUNCULACE^. 139 § Sepals 4. Petals several, minute. Atragene. DC. 1. C. vERTiciLLARis. DC. (Atrageiic Americana, Sims.) Whorl-leaved Virgin's Bower. Climbing; Ivs. in 4s., verticillate, ternate; Ifts. cordate, nearly entire; ped. 1-flowered ; sepals very large, acute. — A handsome climber in highland woods, Vt., {^Dr. Phelps) to N. Car. W. to the Rocky Mts. Stem ascending trees 15f by means of its twisting petioles. At each node is a whorl of four 3-foliate leaves, and 2 large purple flowers. Leaflets acute, 1 — 2' by i — 1'. Sepals thick, 15" by 5". Filaments about 24, outer ones (petals'?) dilated, spatulate, tipped with imperfect anthers. May, Jn. §§ Petals 0. Clematis proper. 2. C. ViRGiNiANA. Virgin's Dowcr. St. climbing; Zcs. ternale ; Ifls., ovate, cordate, acuminate, lobed and cut- dentate ; Jis. oftenQJ*, paniculate. — A common, hardy climber in iiedges and thickets. Can. to Ga. and the Miss. Stem 8—15 f. in length, supporting itself on fences and brushwood by means of the long petioles. Leaflets 2 — 3' by H — 2', with mucronate teeth. Sepals 4, white, oval-oblong, obtuse. Sta- mens 28 — 36. Panicles large, axillary, dichotomous. Fruit furnished with long, plumose tails (caudce), appearing in large, downy tuft;s. Aug. -f 3. C. VioRNA. Leather Flower. St. climbing ; Ivs. pinnately divided ; ^5. ovate-lanceolate, acute at each end, entire or 3-lobed ; Jls. solitary, campanulate ; sep. thick and leathery, acumi- nate.— In woods, Penn. to 111. (Jenny) and Ga. Stem 10 — 15f in length, cyl- indrical, striate. Leaves opposite, decompound, consisting of 9 — 12 leaflets, Flowers axillary, purple, large, nodding. Peduncle 3 — 6' long, with a pair of small, simple, entire leaves near the middle. Fruit with long, plumose tails, Jn. Jl. t 4. C. ocHROLEUCA. Ait. (C. sericea. Michx.) Erect Clematis. St. herbaceous, erect, simple, silky-pubescent ; Ivs. undivided, ovate, entire, silky beneath ; Jls. pedunculate, terminal, solitary, inclined to one side ; cal. silky outside. — Mts. and river banks, N. Y. to Ga. An erect species, 12—18' high. Leaves subsessile, 2 — 4' long, two-thirds as wide, with prominent veins, upper surface becoming glabrous. Flowers yellowish white (ochroleucous), camnanulate in form. May, Jn. 5. C. CRisPA. Crisp-flowered CUmatis. St. climbing ; Ivs. pinnate and ternate ; Ifts. ovate-lanceolate, very acute, 3-lobed or entire ; fls. solitary ; sep. acuminate, revolute, thick, with undulate and crisped margins. — Va. to Flor. Stem striate, 6— 8f long. Flowers a third smaller than in C. Viorna, pale-purple, campanulate. Sepals spreading or revolute at the end. Peduncles axillary, shorter than the leaves. Achenia with naked (not plumose) candas. Jl. f 6. C. Flammula. Sweet Virgin's Bo\oer. — Lws. pinnate; Ifts. smooth, entire, orbicular-oval, oblong or linear, acute. — From France. A fine climber for arbors, &c., very ornamental and sweet-scented. Flowers white. Jl. — Oct. •)• 7. C. FLORIDA. Large-flaioered Virgin's Bower. L/vs. 2-foliate and decom- ?ound ; segments ovate, acute, entire ; sep. acuminate, glabrous ; involiicre 0. — 'rom Japan. Vine 12f long, with large, white and yellow flowers. Jn. —Sept. t 8. C. ViTicELLA. L/vs. 3-foliate and decompound, lobes or segments entire ; sep. obovate. — From Spain. This, as well as the preceding species, is often double-flowered. Vine 20f long. Flowers purple, f Observation.— KW the species are ornamental, and of easy culture. They require only a common soil and are propagated by layers, cuttings, or from the seed. 2. ANEMONE. Gr. avcfto!, wind; most of the species grow in elevated or windy places. Involticre remote from the flower, of 3 divided leaves ; calyx regu- lar, of 5 — 15 colored sepals; corolla 0; stamens 00, much shorter than the sepals ; ovaries 00, free, collected into a roundish or oval 140 I. RANUNCULACEiE. Anemone. head ; achenia 00, mucronate.' — % Lvs. radical. Scapes with leaf- like involucres. 1. A. NEMORosA (andquinquefolia. Linn.). Wood Anemone. Lvs. ternate ; Ifts. undivided, or with the middle one 3-cleft, and lateral ones 2-parted, incisely dentate ; i?ivol. similar to the leaves, petiolate ; st. 1-ilowered. — A common and interesting little plant, found in old woods, hedges, and some- times in open fields. Root creeping, fcitem 6 — 9' high, erect. The involucre consists of 3 petiolate leaves, placed in a whorl near the top of the stem, its bracts cut-toothed and lobed, the lateral segments cleft, sometimes quite to the base, so as to render the leaf quinate. At the top of the stem is a single white flower, purplish outside. Apr. May. 2. A. cYLiNDRicA. Gray. WTiole plant pnhescent ; Irs. ternate, lateral ^te. 2-parted to the ha.se, middle oiu: deeply 3-cleft, segments all linear, cuneate below, cut-dentate and lobed at apex; lvs. of invol. petiolate; ped.2 — 6, rarely 1, all naked; sep.5; ach. woolly, in a long, cylindric head. — Dry, hilly places, Mass. W. to la. Not common. Scape about 2f high. Leaves about 2 — 3' wide, and similar in their divisions to those of Ranunculus acris. Naked flower-stalks 8 — 10' long, umbellate, but little diverging. Flowers large, solitary. Petals pale yellow, obovate, obtuse. Heads of fruit l\' long. May, Jn. 3. A. ViRGiNiANA. Virginian Anemone. Lvs. ternate ; Ifts. subpetiolate, ovate-lanceolate, cut-dentate, acuminate, lateral ones 2-lobed, middle ones 3-lobed ; invol. foliaceous, petiolate ; fr. in oblong heads. — A tall species in dry woods and hilly pastures. Can. to Car. Scape erect, 2 — 3 f high, round, hairy, dividing above into about 3 long, parallel peduncles, middle one naked, lateral ones each with an involucel of 3 bracts. Leaves 2-— 3' by 3 — 4', on radical petioles 6 — 10' long, petioles of the bracts much shorter. Flowers solitary, yellowish-green. Fruit woolly, in heads V long. July. /?. alba. Oakes. Fls. larger ; sep. white. — Ledges, Vt. Dr. Bobbins. 4. A. HuDSONiANA. Rich. (A. multifida, DC. and 1st edit.) Hairy ; lvs. 3 — 5-parted to the base, segments cuneate, laciniately dentate ; scape 1, 2 or 3-flowered ; i7ivol. and involucels similar, 2-leaved, on short petioles; sep. 5—8, oval, obtuse. — On rocky ledges, shores of Onion River, Colchester and Burlington, Vt. Dr. Robbins. Watertown, N. Y. Dr. Crawe. Rare. Scape 6 — 10' high, simple, or dividing below the middle. Leaves mostly in 5 segments distinct to the base, about 1' diam., each segment J' long, in 3 linear lobes, petioles 1 — 2' long. Flower small, white, varying to purple. Heads of fruit oval or globose. Jn. 5. A. Pennsylvanica. (A. aconitifolia. Michx. A. dichotoma. Li?in.) SI. dichotomous ; lvs. 3— 5-parted and incisely dentate ; irivol. and involucels leaf-like, sessile, 3-parted, the lobes lanceolate, acute, incisely serrate ; sep. 5 ; fr. in globose heads. — Shores and rocky places, Fenn. N. to Arctic Am. Rare. Scape 15 — 20' high, dividing above the middle into about 3 shortish peduncles, the middle one naked, the other 2 each with a 2-leaved involucel, the involu- cre at their base. Flowers white, 12 — 14" diam. Carpels hairy, compressed, as long as the curved style. Jn. Jl. 6. A. PATENS. (A. Ludoviciana. Nidt.) Silky- villous ; lvs. 3-parted or divided, segments cuneiform, 3-cleft and incised, lobes lance-linear; invol. subulately dissected; sep. 5 — 6, erect. — Dry hills. 111. ! W. to Rocky Mts. Stem 6 — 10' high. Leaves smoothish above, seg- ments 1 — 3' long, 1 — 2" wide. The dissected involucre concave or cup-shaped. Sepals 1' long, silky outside, pale dull purple. Tail of the carpels near 2' long. 7. A. Coronaria. Poppy-leaved Anemone. — Lvs. ternate, with multifid seg- ments and linear, mucronate lobes ; sep. 6, oval, close. — From Levant. A hardy, flowering plant, with large, single or double variegated flowers. May. f 8. A. hortensis. Star Anemone. — Lvs. 3-parted, with crenate, cut-dentate lobes; invol. sessile, of oblong, entire or cut leaflets; sep. 10 — 12, oblong. — Ranunculus. I. RANUNCULACE^. 141 From Italy. A fine garden species, with double and semi-double varieties of red, white and blue flowers. May. f Observaiion.— Many other foreign species are ornamental, and perhaps rarely cultivated. They aU prefer a fresh, loamy soil. 3. HEPATlCA. Dill. Gr. t^irariKos, of the liver; from the fencied resemblance of the leaf. Involucre of 3 entire, ovate, obtuse bracts, resembling a calyx, situated a little below the flower ; calyx of 5 — 9 petaloid sepals, dis- posed in 2 or 3 rows ; corolla 0 ; achenia awnless. H TRILOBA. Chaix. (Anemone Hepatica. Linn.^ Livcrieart. Jjvs. trilobate, the lobes entire; scape I-flowered, nairy. — Woods, Can. to Car. This little plant is one of the earliest harbingers of spring, often putting forth its neat and elegant flowers in the neighborhood of some lingering snow- bank. The root consists of numerous and strong fibres. Leaves all radical, ou long, hairy petioles, smooth, evergreen, coriaceous, divided into 3 lobes, which .suggests all its names. Flowers on scapes 3 — 4' long, solitary, numer- ous, generally blue, but frequently in varieties of white and flesh-color. In cul- tivation they become double. In respect to the form of the leaves there are two varieties : — a. obkisa, lobes obtuse, rounded. — Prefers the south side of hills. 3. acuta, lobes acute. — Prefers the north side of hills. 4. ADONIS. Feigned to have sprung from the blood of Adonis, when wounded by the boar. Sepals 5, appressed ; petals 5 — 15, with naked claws ; achenia in a spike, ovate and pointed with the hardened, persistent style. A. AUTL'MNALis. Pheasant's Ei/e. St. branching; Jls. 5 — 8-petaled ; carpels crowned with a very short style, and collected into an ovate or subcylindric head ; pet. longer than the calyx. — A fine, hardy annual, from Europe, naturalized in some parts of N. Y. Stem thick. Leaves pinnately parted, with numerous linear segments. Flowers crimson, IJ' diam. Seeds to be sown in autumn, in a light soil, f § 5. RANUNCtJLUS. Lat. rana, a frog ; from the aquatic habitat of some species. Calyx of 5 ovate sepals ; corolla of 5 roundish, shining petals, each with a nectariferous scale or pore at the base inside ; filaments 00. much shorter than the petals ; achenia 00, crowded in a roundish or oblong head. — Herbs mostly %, with yellow flowers. *Leavcs all undivided. 1. R. Flammula. Small Spearvsort. St. declinate ; Ivs. smooth, linear-lanceolate or ovate-lanceolate, lower ones petiolate ; ped. opposite the leaves. — An aquatic herb, growing in ditches and swamps. Can. to N. Car. W. to 111. ! Root fibrous. Stem 6 — 18' long, more or less decumbent, succulent. Leaves 3 — 6' in length, \ — 1' wide, entire or with a few teeth, thickened at the acute summit. Flowers solitary, of a golden yel- low, on peduncles \ as long as the leaves. It abounds in a very acrid juice. Jn. — Aug. 2. R. REPTANs. Creeping Crowfoot. Very small, smooth ; st. creeping, geniculate, rooting ; nodes 1-flowered ; Ivs. subulate, smooth, entire, remote. — A slender species, creeping on river banks and other wet places, Hanover, N. H., {Mr. T. Rickard,) W. to Oregon. Stem 6 — 10' long, round, rooting at the joints. Leaves fleshy, 6 — 12" in length, mostly very narrow, and acute at each end. Flowers on axillary peduncles. Sepals spreading, obtuse. Petals obovate, yellow, fading to white. Nectary covered by a scale. Achenia very^ smooth. Jl. p. nvalis. Bw. Lvs. oval and lanceolate ; pet. 5 — 10. 142 I. RANUNCULACE^. Ranunculus. y. filifarmis. DC. (R.. filiformis. MUhx.) St. filiiorm, very long, with linear leaves and small flowers. 3. R. pusiLLUs. Poir. /?. muticus. T. & G. Puny Crowfoot. Erect; lis. all petiolate, lower ones ovate, upper ones linear lanceolate; pel. mostl}'- but 3, scarcely longer than the calyx ; carpels ovate, pointless, smooth, in small globose heads. — In wet grounds, N. Y. and Penn. Stems slender, weak, 6 — 12' high, dichotomously branched. Lower leaves subcordate, J — 1' long, i as wide, petioles 1 — 3" long, upper ones 1 — IJ" long, i as wide, with minute, remote teeth. Flowers very small, yellow, on long peduncles. May. 4. R. CvMBALARiA. Ph. Sea Crowfoot. Very small, smooth ; st. iiliform, creeping, rooting at the joints ; Ivs. reni- form-cordate, crenale-dentate ; ped. solitary, mostly 2-flowered ; pet. spatulate ; ach. oblong. — In salt marshes on the sea-coast, N. J. to Arctic Am. and at Salina, N. Y. Stem round, sending out runners from the joints. Leaves radi- cal, i — 1' diam., on long petioles. Scapes 2 — 6' high, each with 2 or 3 small, bright yellow flowers, and as many obtuse bracts. Nectary naked. Jn. * * Leaves divided. 5. R. ABORTivus. Round-leaved Crowfoot. Smooth; radical Ins. roundish, cordate at base, crenate, petiolate; cauline Ivs. ternate or pedate, angular, with linear segments, upper ones sessile ; cat. a little longer than petals, reflexed. — A very pretty species in woods, Can. to Ark., remarkable for the dissimilarity of the root and stem leaves. Stem 8 — 16' high, nearly naked. Root leaves 8 — 18" diam., quite regularly margined with crenate divisions, and on petioles 2 — 5' long. Lower steiA leaves pedate, with a pentangular outline ; upper in 3 deep segments. Flowers small, yelloM . Fruit in globose heads. May. Jn. 6. R. scELERATUs. Ph. Cclenj Crowfoot. See also Addenda, p. 638. Smooth ; lower Ivs. 3-parted, segments 3-lobed, crenately subincised ; stem Ivs. 3-parted, segments crenately incised, ^cppcr ones simple, lanceolate, entire ; carpels in an oblong head. — Grows in wet places, Can. to Car. Stem rather thick, hollow, much branched, 1 — lif high. Lower petioles 3 — 5' long, with rather large, palmately 3 — 5-parted leaves. Floral leaves or bracts mostly simple, lanceolate and entire. Flowers numerous, small, yellow. Calyx deflexed. This is one of the most acrid of the tribe, and will raise blisters upon the skin. Jn. Jl. 7. R. RECURVATUs. Wood- Croufoot. St. erect, and with the petioles, covered with spreading hairs ; Ivs. 3-parted, hairy, segments oval, unequally incised, the lateral ones2-lobed; caZ. recurved; pet. linear-lanceolate ; ach. uncinate. — About 1 f. high, in damp woods. Lab. to Ga., pale green, branching above. Leaves lA — 2' long, 2 — 3i' wide, on peti- oles 3—6' long. Upper leaves subsessile and 3-parted quite to the base. Flowers small, with inconspicuous, pale yellow petals. Carpels ovate, tipped with minute, hooked beaks. May. — Jl. ]__ 8. R. ACRis. Butter-cups. Crov-joot. Yellow Weed. I St. erect, many flowered ; Ivs. more or less pubescent, deeply trifid, the seg- ments laciniate, upper ones with linear segments ; ped. round ; cal. hairy, spreading; carpels roundish, smooth, compressed; beak short, recurved. — This is the most common species from Penn. to Hudson's Bay, In meadows and pastures, rapidly and extensively spreading. Stem 1 — 2f high, round, hollow, mostly hairy. Leaves IJ — 3' diam., upper ones in 3 linear segments. Flowers large, golden vellow. Jn. — Sept. li. Fis. double, the pet. excessively multiplied. — Gardens. 9. R. BULBosus. Bulbo^is Crowfoot. (Fig. 39.) Hairy ; st. erect, bulbous at the base ; radical Ivs. ternate, Ifts. petiolate, incisely dentate, each about 3-cleft; ped. furrowed; cal. reflexed. — This is another acrid species, very common in pastures, mow-lands, &c. Root fleshy. Stem leafy, furrowed, 6 — 18' high, hollow, thickened at tlie base into a sort of bulb, and dividing above into upright peduncles, with golden-yellow flowers. It is well distinguished from R. acris by its reflexed sepals, arid its furrowed Caltha. I. RANUNCULACEiE. 143 peduncles. The lobeb oltlie root leaves are also rounded rather than acute at apex. May, Jn. <^ 10. R. FASCICULARI.S. Muhl. Early Crowfoot. St. erect, branched ; lis. pubescent, ternate, the middle segments deeply 3- clcft, lateral ones remotely 3-lobed; ca^. villous, spreading, shorter than the petals. — Rocky woods and hills, Peun. to Wiscon. N. to Can. Root a fascicle of fleshy fibres. Radical leaves on petioles 3 — 8' long, so divided as to appear almost pinnate ; upper leaves 3-parted, nearly sessile. Flowers large. Petals yellow, cuneate-obovatc, with a scale at base as broad as the transparent claw. Apr. May. 11. R. PENNSvi.VAN'icLs. CR. hispidus. Pk.) Bristly Crowfoot. St. erect, and with the petioles covered with stiff, spreading hairs ; hs. vil- lous, ternate, Ifts. subpetiolate, deeply 3-lobed, incisely serrate ; cat. reflexed, rather longer than the roundish petals ; carpels tipped with a short, straight style. — A very hairy species, in wet grounds, Can. and U. S. Stem li — 3f high. Leaves 2 — 3' diam. ; leaflets strongly veined and with spreading seg- ments. Flowers numerous, small, bright yellow. Fruit in dense oblong or cy- lindrical heads. Jn. — Aug. 12. R. REPENs. (R. intermedius. Eaton. R. Clintonii. Beck.) St. branching from the base, prostrate, radicating at the joints; Ivs. trifo- liate, Ifls. petiolate, cuneiform, 3-lobed, cut-dentate ; ped. furrowed ; cal. spreading ; carpels with a broad, not recurved point. — In moist or shady places. Can. and U. S. Stems 1 — 3 or 4f long, generally nairy at base, the early flowering branches erect. Petioles hairy, long. Leaves hairy on the veins, dark green. Flowers middle size, bright yellow. Petals often emarginate. May — Jl. /?. llncarilobiis. DC. St. very long, florifcrous ; lobes of Ivs. very narrow. y. Marilandicus. T. & G. St. and pctioks dcnselj' hirsute with soft hairs ; Ifts. distinctly petiolulate. 13. R. PuRSHii. Richardson. Floating Croivfoot. Floating; sMong; submergedlvs. cXe^into numerous capillary segments, emersed ones reniform, 3 — 5-parted, the lobes variously divided ; sep. reflexed, half as long as the petals ; carpels smooth, with a short, straight, ensiform style ; hds. globose. — Ponds, sluggish streams, and muddy places. Can., U. S. Stem 1 — 2f or more in length, fistulous. Leaves pentangular in outline, | — IJ' diam., those below most finely divided; petioles i — 2' in length. Flowers bright yellow, emerging on forked, striate peduncles. May, Jn. /?. (R. fluviatilis. I3w. R. lacustris. Beck.) Lvs. all capillaceous-multi- fid ; fls. as large as in R. acris. 14. R. AauATiLis. /?. capillaccus. River Crovrfoot. St. floating ; submersed lvs. filiformly dissected ; pet. obovate, larger than the cal3'x, white ; carpels transversely rugose. — Ponds and sluggish streams, Arctic Am. to S. Car. W. to Rocky Mts. The whole plant is submerged except the flowers, and perhaps a lew of the upper leaves. Stem 1 — 2f or more in length, slender, weak, round, smooth, jointed. Leaves divided dichotomously into numerous, hair-like segments, in outline roundish and J — 1' diam. Peduncles thick, I — U' long. Flowers smaller than in R. acris. Petals rather narrow, white, except the yellow claws. Jl. Aug. Observation.— Several of the above mentioned species are double-flo wared in cultivation, as No9. 8, 9, and 12. Of foreign species, R. Asiaticus, the garden Ranunculus, with large double flowers van-ins to every hue, and R. acomtilblius, wiUi white double flowers, are sometimes, but not generally, found in our gardens. 6. CALTHA. Gr. (caXa^of , a soblet ; the yellow calyx may well be compared to a golden cup. Calyx colored, of 5 orbicular sepals, resembling petals ; corolla 0 ; stamens 00, shorter than the sepals ; follicles 5 — 10, oblong, com- pressed, erect, many-seeded. — % Aquatic and very glabrous. C. PALUSTRis. Marsh Marigold. CffiosUps. St. erect ; lvs. cordate, suborbicular, crenate. — Wet meadows. Can. to Car. W. to Oregon. Root large, branching. Stem about It high, hollow, round, 13 . . > 144 1. iiANUNCULACE^. Coptis. dichotomous. Lower leaves 2 — 4' wide, on long semicylindric petioles, upper ones sessile, all of a dark shining green, veiny and smooth. Flowers of a golden yellow in all their parts, 1^' diam., few and pedunculate. Outer row of filaments clavate, twice longer than the inner. The young leaves are in great request in spring, for greens. May. /?. integerrima. (C. integerrima. PL) L/vs. entire; sep. obovate, obtuse. y. plena, with double flowers. Cultivated in gardens. 7. TROLLIUS. Gem. trol or troUen, globular; alluding to the form of the flowers. Sepals 5 — 10 — 15, rounclisli ovate, colored, deciduous; petals 5 — 25, small, linear, tubular at base ; stamens 00, much shorter than the sepals ; follicles 00, subcylindrie, sessile, many-seeded. — %■ Smooth^ with palmate leaves. 1. T. LAXUS. Salisb. (T. Americanus Muhl.) American Globe Flov'er. Sep. 5, oblong, spreading ; pet. 15—25, shorter than the stamens. — In swamps, Can. to Penn. Not common. About If high. Leaves deeply cleft into 5 segments, which are lobed and cut-dentate. Sepals yelloAV, resembling petals, 4 — 5" long. Petals very small, orange-colored. Follicles about 10, crowned with the persistent styles. This is the only American species. Jn. 2. E. EuR0P.s:us. Etiropean Globe Flmccr. — Erect, branched, leafy; Ivs. deeply cleft or divided, segments cuneate at base, acute, incisel}^ lobed and toothed; Jls. solitary, erect, large, globular ; ped. long, naked ; sep. closely converging ; pet. equaling the stamens. Native of Europe. Stem 2 — 3f iiigh. Flowers of a rich yellow. A very ornamental plant, of easy culture from seeds or roots. May, Jn.f 3. T. AsiATiccs. Asiatic Globe Flovcr. — Erect ; Ivs. deeply divided into 5 broad segments ; segments laciniately lobed and toothed ; jls. terminal, soli- tary, pedunculate ; sep. spreading ; pet. longer than the stamens. — Native of Asia. Plani about 2f high, with ample foliage and large, deep orange-color- ed flowers — yellow in some of its varieties. Jn.f 8. HELLEBORUS.— Adans. EXeiv, to cause death ; popa, food ; the poisonous qualities are well Known. Sepals 5, mostly greenish, persistent; petals 8 — 10, very short, tubular, 2-lipped ; stamens 00; stigmas 3 — 10, orbicular; follicles cohering at base, many-seeded. — % Lvs. coriaceous., divided. Fls. large., nodding. H. viRiDis. — Green Hellebore. Glabrous ; radical lvs. pedately divided, segments lanceolate, acute, ser- rate ; cauline lvs. few, palmately parted, nearly sessile ; peds. often in pairs ; sep. roundish ovate, acute, green. — A European plant, ^ on Long Island. Stem 2—3 f. high, thick. Apr.f 9. COPTIS.— Salisb. Gr. KOTTTOi, to cut ; from the numerous divisions of the leaves. Sepals 5 — 6, oblong, concave, colored, deciduous ; petals 5 — 6, small, cueullate, obconic ; stamens 20 — 25 ; follicles 5 — 10, stipitate, rostrate, diverging in a stellate manner, 4 — 6-seeded. — Low herbs. with radical leaves, and a, long, slender, perennial, creeping rhizoma. C. TRiFOLiA. — Goldthread. Ijvs. 3-foliate ; scape 1-flowered ; pet. much smaller than the sepals. — Penn. N. to Arctic Am. Stem subterranean, extensively creeping, golden yellow, very bitter and tonic. Leaves all radical, leaflets sessile, 4 — 8" long, crenate-mu- cronate, smooth, coriaceous, common petiole 1 — 2' long. Peduncles 3 — 4' high, with a single, minute bract above the middle, bearing a single white star- like flower. The 5 or 6 yellow petals are barely distinguishable by their color among the white stamens. Mav. Medicinal. Delphinium. 1. RA^;^r inclined, somewhat spiral ; oua. villous. — A cultivated, poisonous plant, also native N. Y. to Ga. Stem 2f high. Leaves coriaceous, dark green, 4 — 5' wide. Flowers large, purple, 3 or 4 near the summit of each branch. Jl. Aug. 2. A. Napellus. (A. delphinifolia. DC.) Monk's-Hood. — iS*. straight, erect ; Ivs. deeply 5-cleft, cut into linear segments, furrowed above ; upper sep. arched at the back, lateral ones hairy inside ; ova. smooth. — A poisonous plant, culti- vated among flowers. It is a tall, rank perennial, making quite a consequen- tial appearance. Stem 4f high, with a long spicate inflorescence at its termi- nation. Flowers dark blue, surmounted by the vaulted upper sepal, as if hooded in a monk's coavI. Aug. — There are varieties with flowers white, rose- colored, &c. 14. ACT^A. Gr. UKTri, the elder; which plant these herbs resemble in foliage. Calyx inferior, of 4 roundish, deciduous sepals ; corolla of 4 — 8 spatulate, unguiculate petals ; filaments about 30, dilated above ; anthers 2-lobed, introrse ; stigmas sessile ; ovary ovoid ; berry glo- bose, with a lateral furrow, 1-celled ; seeds many, smooth, com- pressed.— % with ternatcly divided Ivs. Fls. white. 1. A. RUBRA. Bigelow. (A. Americana. Ph.) Red Bane-herry. Lvs. twice and thrice ternate ; rac. hemispherical ; pet. acute ; pedicels of the fruit slender; bcrricsv&A, ovoid-oblong. — Not uncommon in rocky woods, Penn. to Lab. W. to Rocky Mts. Stem IJ — 2f high, dividing into 2 branches, one of which usually bears leaves only, the other leaves and a cluster of flowers. Thalictrum. 1. RAJMUNCULACE^. lYf Leaves 2 or 3-iernate, with ovate-lanceolate leaflets, variously lobed and cut. Petioles 4 — 7' long, smooth, and slightly glaucous, like the whole plant. Flowers 20 — 40, in a short dense raceme. Berries bright red, on slender pedi- cels. May. 2. A. ALBA. Bw. (A. Americana. /?. alba. Ph.) White Bane-berry. Lvs. twice and thrice tcrnate ; ra^. oblong ; pet. truncate ; pedicels of the fruit thicker than the peduncles; iemex white.— Grows in rocky woods, common, Can. to Ga., much like the last in foliage. ' Plant IJ— 2f. high, bearing 2 com- pound leaves and a cluster of flowers. Leaflets 1 — 2' long, J as wide, acumi- nate. Raceme 1 — 3' long, U' thick, the pedicels J' long, at length purple, and about as thick as the purple peduncles, — characters which, as well as the milk- white fruit, readily distinguish this species Irom the last. May. 15. CIMICIPUGA. Lat. cimex, a bug,/«g'0, to drive away ; alluding to its offensive odor. Sepals 4 — 5 ; petals 3 — 8, sometimes wanting ; stamens 00, anthers introrse ; follicles 1 — 8, oblong, many-seeded. — % Lvs. ter- nately divided. Fls. white, in long slender racemes. 1. C. RACEMosA. Ell. (Actasa. Linn. Macrotys. Raf.) Black Snake-root. Las. ternately decompound ; Ifts. ovate-oblong, incisely serrate ; rac. very long; pet. 2, forked, slender; sty. 1 ; capsule follicular, dry, dehiscent, ovate. — A tall, leafy plant, with the aspect of an Actaea, found in upland woods. Stem 4 — 8 f. high, with long, panicled racemes of white sepaled and monog}Taous flowers. Petals 4 — G, small. Stamens about lOO to each flower, giving the raceme the appearance ol a long and slender plume. Flowers very fetid. Jn. Jl. 2. C. Americana. Michx. (C. podocarpa. £;ZZ. Acteea podocarpa. Z?C.) Glabrous ; lvs. triternate, segments ovate, terminal one cuneiform at base, 3-parted or 3-cleft and incised ; pet. concave, sessile, 2-lobed, nectariferous at base; ova. 2 — 5, stiped, obovate and pod-shaped in fruit; sds. flat, scaly. — Woods, Penn. to N. Car. Stem 3— Of high. Leaflets 2—4' long, with coarse, unequal, mucronate serratures. Flowers smaller than in C. racemosa, in a long panicle of racemes. Follicles abruptly beaked, 6 — 8-seeded. 16. TRAUTVETTERIA. Fisch. and Meyer. Named in honor of Trautvetter, a German botanist. Sepals 4 — 5 ; petals 0 ; stamens 00, petaloid ; anthers introrse ; carpels 15 — 20, membranaceous and indeliiscent, 3-carinate, 1-seeded, tipped with the short, hooked style. — %■ Lvs. palmateli/ lobed. T. PALMATA. Fisch. and Meyer. (Cimicifiiga. Hook.) St. slender, terete, smooth, branched above ; lvs. few, rugose and reticulate- veined, palmately 5— 9-lobed, upper ones sessile, lower on long petioles, lobes lanceolate, acute^ incisely serrate ; fs. cymose. — Prairies, la. S. to Tenn. Plant 2— 5f high. Radical leaves 4— G' wide, 3—5' long, the petioles twice as long. Stem leaves 2—4, remote. Flowers many. Sepals orbicular, concave, cadu- cous, white. Stamens conspicuous, white. Jl. Aug. 17. THALICTRUM. Said to be from SaWa, to be green. Calyx colored, of 4 — 5 roundish, concave, deciduous sepals ; corolla 0 ; filaments 00, compressed, dilated upwards, longer than the calyx ; ovaries numerous (4 — 15), with sessile stigmas; achenia awnless, ovoid. — % Lvs. icrnately divided. Fls. often $ c?. 1. T. DioicuM. Early Meadow Rue. Verv smooth ; lvs. decompound ; Ifls. roundish, with obtuse lobes ; filaments filiform; Jis. Q (j^.— Herb I— 2f higl;," meadows and woods, British Am. to Car. Stem striate, jointed. Leaflets paler beneath, with 5—7 rounded lobes or teeth. Flowers in long-stalked panicles. Sepals 5, obtuse, purplish. The 13* 148 J. RANUNCULACEiE. Hydrastis. barren flowers with numerous slender filaments and yellow anthers, the fertile ones smaller, with shorter stamens. Fruit oval, striate. May. 2. T. CoRNUTi. (T. Corynellum. DC.) Meadow Rue. Lfls. obtusely S-looed, paler underneath ; Jls. 9 c^ ; filaments clavate ; fr. sessile, striate. — A handsome herbaceous plant, common in meadows. Stem 3 — 4f high, smooth, hollow, jointed, furrowed. Leaves resembling those of the columbine (Aquilegia), green above, smooth, several times compounded. Leaflets 1 — 2' long, | as wide. Petioles sheathing at base. Panicles large and difiuse. The barren flowers have numerous club-shaped stamens, with oblong yellow anthers. Fertile flowers smaller and less crowded. Jn. Jl. 3. T. ANEMONolDEs. Michx. (Anemone thalictroides. Ldnn.) Hue Anc- Ttume. Floral Ivs. petiolate, simple, whorled, resembling an involucrum ; radical Ivs. bitemate ; Jls. umbeled. — Woods and pastures. Northern, Middle, and West- ern States. The root of this little herbaceous plant consists of several oblong tubercles. Stem erect, 6 — 8' high, slender, bearing several white flowers at top in a sort of umbel. Leaves \ — 1' long, § as wide, cordate at base, 3-lobed, on petioles | — IJ' long; radical commgn petioles 2 — i' long. Apr. May. 18. MYOStJRUS. Dill. Gr. fiv;, fivos, mouse, ovpa, tail ; alluding to the long spike of carpels. Sepals 5, produced downwards at base below their insertion; petals 5, with slender, tubular claws ; stamens 5 — 20 ; achenia very closely spicate on tbe elongated torus. — ® Z,vs. linear, entire, radical. Scapes l-Jlowered. M. MINIMUS. (M. Shortii. Raf.) Mouse-tail. Prairies and bottoms. 111., Mead ! to La. and Oreg., Nuttatt. A diminutive f)lant, remarkable for its little terete spikelet of fruit, which is often an inch ong. Leaves 1 — 3' long, 1 — 2" wide. Scape a little taller, with a single minute pale-yellow flower at top. Apr. 19. ZANTHORHlZA. Gr. ^av^o;, yellow, pt^a, root. Sepals 5 ; petals 5, of 2 roundish lobes, raised on a pedicel ; sta- mens 5 — 10; ovaries 5 — 10, beaked with the styles, 2 — 3-ovuled ; follicles mostly 1 -seeded, seed suspended. — Suffruticose ; st. and bark yellow and bitter. Lvs. finnately divided. Rac. axillary, compound, Fls. small, dark purple, often 9 $ d^- Z. APiiFOLiA. L'Her. (Z. simplicissima. Michx.) River banks, Penn. to Ga. Root thick. Stem short, woody, leafy above. Leaves glabrous, about 8' long, including the long petioles. Leaflets 5, 2 — 3' long, sessile, inci.sely lobed and dentate. Racemes many-flowered, appearing with the leaves. Follicles spreading, li" long. March, April. 20. HYDRASTIS. Gt. iSajp, water ; the plant grows in watery places. Sepals 3, ovate, petaloid, equal ; corolla 0 ; stamens 00, a little shorter than the sepals ; baccate fruit composed of numerous, aggre- gate, 1 -seeded acines. — %with 2 lvs. and \ flower. H. Canadensis. Turyneric-root. The only species. It grows in bog meadows, Can. to Car. and Ky. ! Rare. Root of a deep yellow color internally. Stem 6 — 9' higli, becoming purplish, hairy above. Leaves 2 only, alternate, on the upper part of the stem, petiolate, emarginate at base, palmate, with 3 — 5 lobes. Peduncle terminal, solitary, 1-flowered. Sepals reddish white, of short duration. Fruit red, juicy, resem- bling the raspberry. Seeds nearly black. May, Jn. II. MAGNOLIACEiE. 149 21. PiEONIA. The physician Pceon, according to mythologr, first used this plant in medicine, and cured Pluto with it. Sepals 5, unequal, leafy, persistent ; petals 5 ; stamens 00 (mostly changed to petals by cultivation) ; ovaries 2 — 5; style 0; stigmas double, persistent ; follicles many-seeded. — % Rt. fasciculate. Lvs, biiernate. Fls. large, terminal, solitary. 1. P. OFFICINALIS. Common Pcrony. — St. erect, herbaceous; lower trs. bipin- nately diviiied ; Ifts. ovate-lanceolaie, variously incised ; fr. downy, nearly straight. — The splendid paeony has long been cultivated in every part of Europe and in this country. This species is said to be native of Switzerland. It is a hardy perennial, requiring very little pains lor its cultivation. Among its varieties the double red is the most common. The vrhile is truly beautiful. The Jlcsh-cohrcd and the pink are also favorites. May, Jn. 2. P. ALBiFLORA. White-flowcrcd PcEony.—Lfts. elliptic-lanceolate, acute, entire, smooth ; follicles recurved, smooth. — Native of Tartary. Whole plant dark, shining-green and smooth. Flowers smaller than the last, but truly ele- gant and fragrant. Petals white. Calyx brown, with 3 green, sessile bracts at base. Nine or ten varieties with flowers single and double, white, rose- colored, &c., are now mentioned in the catalogues of American gardeners. 3. P. ANOMALA. Jagged-leaved Siberian Paony. — Lft?. with many lanceo- late segments, smooth; follicles depressed, smooth; cal. bracteolate. — From Siberia. Distinguished by the long, narrow segments of the leaflets. Flowers concave, rose-colored. Follicles usually 5. 4. P. MouTAN. Chinese Tree Paony. — 5'/. shrubby, '4.; Ifts. oblong-ovate, glaucous and somewhat hairy beneath, terminal one 3-lobed ; ova. 5, distinct, surrounded by the very large disk.— From China. The woody stem branches into a bush 3 — 4f high. Leaves large, on long stalks. Flowers very large, always double in cultivation, fragrant and truly splendid. This plant is re- markable for producing the largest form of disk in the vegetable kingdom. 5. P. PAPAVERACEA. Chinese Poppij-flowercd Paony. — St. shrubby, %\ Ifts. oblong-ovate, glaucous and slightly hairy beneath, terminal one 3-lobed ; ova. about 5, closely united into a globose head. — From China. Resembles the' last in foliage, but is remarkably distinguished from all the other species by its united carpels. Flowers whi'te, with a purple centre, often single in culti- vation. Other species and varieties are cultivated, rarely in this covmtry, amounting to about 150 in all. 22. NIGELLA. Lat. \iger, black ; the color of the seeds, which are used in cookery. Calyx of 5 sepals, colored ; corolla of 5 3-cleft petals ; styles 5 ; capsules 5, follicular, convex. — ® European herbs. Lvs. in many line- ar and subulate segments. 1. N. DAMASCEVA. Fcmicl Flmi^cr. — Ms. in a leafy involucre ; anth. dbtase ; carpels 5, smooth, 2-celled, united as far as the ends into an ovoid-globose cap- sule.— Native of S. Europe. A hardy annual of the gardens, to which have been applied the gentle names of " ragged lady," " devil in a bush," ltzia. 6 1. SANGUINARIA. Lat. sang^tils, blood ; all parU abound in a red juice. Sepals 2, caducous ; petals 8. in 2 series, those of the outer series 14 156 XI. PAPAVERACE^. Meconopsis. longer ; stamens 00 ; stigma 1 — 2-lobed, sessile ; capsule pod-like, oblong, 1 -celled, 2-valved, acute at each end, many-seeded. — %. Juice orange red. S. Canadensis. Blood-root. An interesting flower of wood.s, groves, &c., appearing in early spring. Rhizoma fle.shy, tuberous, and when broken or bruised exudes a blood-colored fluid, as also does every other part of the plant. From each bud of the root- stalk there .springs a single large, glaucous leaf, and a scape about 6' high, with a single flower. Whole plant glabrous. Leaf kidney-shaped, with roundish lobes separated by rounded sinuses. Flower of a quadrangular outline, white, scentless, and of short duration. The juice is emetic and purgative. Apr. May. 2. CHELIDONIUM. [its departure. Gr. XcXiimv, the swallow ; being supposed to flower with the arrival of that bird, and to perish with Sepals 2, suboi-bicular ; petals 4, suborbicular, contracted at base ; stamens 24 — 32, shorter than the petals ; stigma 1, small, sessile, bifid ; capsule silique-form, linear, 2-valved, 1 -celled ; seeds crested. — %. tvit/i yellow juice. C. MAJUs. Celandme. L/vs. pinnate ; Ifts. lobed, segments rounded ;/*■. in umbels. — A pale green, fleshy herb found under fences, by road-sides, &c., arising 1 — 2f high. Leaves smooth, glaucous, spreading, consisting of 2 — i pairs of leaflets with an odd one. Leaflets IJ — 2^' long, | as broad, irregularly dentate and lobed, the par- tial stalks winged at lase. Umbels thin, a.xillarv, pedunculate. Petals ellip- tical, entire, yellow, and very fugacious, like every other part of the flower. The abundant bright yellow juice is used to cure itch and destroy warts. May.— Oct. ^ 3. ARGEMONE. G/". apyc^a, a disease of the 63-6, which this plant was supposed to cure. Sepals 3, roundish, acuminate, caducous ; petals 6, roundish, larger than the sepals ; stamens 00, as short as the calyx ; stigma sessile, capitate, 6-lobed ; capsule obovoid, opening at the top by valves. — ® Herbs with yellow juice. A. Mexicana. Horn Poppy. Lis. repand-sinuate or pinnatifid, with spiny teeth ; fl. solitary, erect, axillary, col. prickly; caps, prickly, 6-valved. — A weed-like plant, native at the south and west, ^ at the north. " Stem 2 — 3f high, branching, armed with prickly spines. Leaves 5 — 7' or 8' long, sessile, spinose on the margin and veins beneath. Flowers axillary and terminal, on short peduncles, about 2' diam., yellow. The juice becomes in air a fine gamboge-yellow, and is esteemed for jaundice, cutaneous eruptions, sore eyes, fluxes, &c. July.^ /?. Fls. ochroleucous. — y. Fls. larger, white. 4. MECONOPSIS. Viguier. Gr. itrjKwv, a poppy; oipis, resemblance. Sepals 2 ; petals 4 ; stamens 00 ; style distinct ; stigmas 4 — 6, radiating, convex, free ; capsule obovate, 1 -celled, opening by 4 valves at apex. — %-Herbs with a yelloio juice. M. DiPHYLLA. DC. (Chelidonium. Michx. Stylophorum. Nutt.) Lis. pinnately divided, glaucous beneath, segments 5 — 7, ovate-oblong, sinuate, cmilme'i, opposite, petiolate ; pcd. aggregated, terminal ; caps. 4-valved, echinate-setose. — Woods, Western States ! Plant 12 — 18' high. Leaves large, 8' by 6', on petioles about the same length ; terminal segments somewhat con- fluent. Peduncle about 3' long. Petals deep yellow. May. XII. PUMARIACE^E. 167 5. PAPAVER. Celtic, papa, pap; a soporific food for children, composed of poppy-seeds, &c: Sepals 2, caducous; petals 4 ; stamens 00; capsule 1 -celled, open- ing by pores under the broad, persistent stigma. — Exotic herbs, mostly ©, %cith white juice abounding in opium. 1. P. soMNiFERUM. Opiuvi Pappy. Glabrou-s and glaucous ; /cs. clasping, inci-sed and dentate; scp. glabrous; cap. globose.— A plant with large, brilliantly white flowers, double in cultiva- tion. Stem li—3f high. Leaves 4 — 8' by 2— 3', with rather obtuse dentures. Every part, but especially the capsule, abounds with a white juice powerfully narcotic, and which wheii hardened in the sun, forms the ojmnn of the shops. For this drug, it is extensively cultivated in Europe and southern Asia. Jn. Jl.f^ 2. P. DUBiUM. Dubious Poppy. Caulescent ; st. hispid with spreading hairs ; Ivs. pinnately parted, seg- ments incised; ped. clothed with appressed hairs; sep. hairy; caps, obovoid- oblong, glabrous. — Sparingly naturalized in cultivated grounds, Penn. Stem about 2f high. Flowers light red or scarlet. Jn. Jl. % 3. P. Rh^as. Common Red Poppi/.—St. many-flowered, hairy ; Ivs. incisely pinnatifid ; capsules smooth, nearly globose.— Distinguished from the last spe- cies chiefly by its more finely divided leaves and its globular capsule. About 2 f high. Flowers very large and showy, of a deep scarlet red. Varieties are produced with various shades of red and particolored flowers, more or less dou- ble. Jn. Jl.f 4. P. ORiENTALE. Oriental Poppy.— St. l-flowered, rough; Ivs. scabrous, pinnate, serrate ; capsules smooth. — Native of Levant. Stem 3 f high. Flowers very large, and of a rich scarlet color, too brilliant to be looked upon in the sim. Jn. f G. ESCHSCHOLTZIA. Named for Eschscholtz, a German botanist, well known for his researches in California/ Sepals 2, cohering by their edge, caducous ; petals 4 ; stamens GO, adhering to the claws of the petals ; stigmas 4 — 7, sessile, 2 — 3 of them abortive ; capsule pod-shaped, cylindric, 10-striate, many- seeded. — ® Leaves •pinnatifid., glaucous. The juice., which is colorless, exhales the odor of hydrochloric acid. 1. E. DouGi,Asii. Hook. (Chryseis Califomica,of I/mrfZ. and of l5;;e(Z<7.)— St. branching, leafy ; torus obconic ; cat. ovoid, with a very short, abrupt acu- mination ; pet. bright yellow, with an orange spot at base.— A very showy annual, common in our gardens. Native of California, Oregon, &c. The foliage is smooth, abundant and rich, dividing in a twice or thrice pinnatifid manner into linear segments. Flowers 2' broad, f 2. E. Californica. Hook. (Chryseis crocea, Lindl. and of 1st edit.) — St. branching, leafy ; torus funnel-form, with a much dilated limb ; cat. obconic, with a long acumination ; fis. orange-yellow.— From California. Leaves and color of flowers as in the preceding, except the latter are more of a reddish- orange hue. ■)■ Order XII. FUMARIACE^.— Fumeworts. Plants herbaceous, with brittle stems and a watery juice. Lvs. usually alternate, multifid, often furnished with tendrils. F/s. irroKular, purple, white or yellow. Sep. 2, deciduous. i,„,;„„ „. „„,.» Cor. -Petals 4, hypogynous, parallel, one or both of the outer saccate, 2 mner cohering^at apex. Sta. 6, diadelphous ; Jil. dilated ; anth. adnate. extrorse, 2 outer 1-celled, middle 2-ceUed. Ova. superior, 1 celled ; sly. filiform ; stig. with one or more |)oints. Fr. either an indehiscent nut 1—2 seeded, or a pod-shaped capsule many-seeaea. Sde. shinins, ariled. Albumen fleshy. Genera 13, species U0,-8ome of them beautiful and deHc^l?, inhabiting thickets in the te^^^^ regions of the northern hemisphere. They possess no remarkable action upon the animal economy . 158 XII. FUMARIACE^. Corydalis. Conspectus of the Genera. <) Fruit a pod-shaped capsule. . . Corydalis. 3 4 only 1 of the outer, sacc. or spurred. (Fruit a subglobose nut. . . . Pumaria. 4 SQistinct.f 2 outer equally saccate or spurred Dielytra. I Petals ( united, base bigibbous, ape.x 4-lobed. Climbing herbs. Adluynia. 2 1. DIELYTRA. Borkhausen. Crr. SiS, double; eXvTpov, wing-case; in allusion to the two spiu's. Sepals 2, small ; petals 4, the 2 outer equally spurred or gibbous at the base ; stamens united in 2 sets of 3 in each ; pod 2-valved, many-seeded. — '2J.. 1. D. CucDLLARiA. DC. (Corydalis Cucullaria. Pcrs.) Dutchman's Breeches. Rt. bulbiferous ; rac. 4 — lO-flowered, secund ; spurs divergent, elongated, acute, straight. — Woods, Can. to Ky. A smooth, handsome plant. Rhizoma bearing triangular, small, pale-red bulbs under ground. Leaves radical, mul- tifid, somewhat triternate, smooth, with oblong-linear segments, the petioles rather shorter than the scape. Scape slender, 6 — 10' high. Flowers scentless, nodding, whitish, at summit yellow. Pedicels short, axillary to a bract, and with 2 minute bracteoles near the flower. Spurs about as long as the corolla. April, May. 2. D. Canadensis. DC. (D. eximia. Beck. Corydalis Canadensis. Goldie.) Squirrel Corn. Dutchman^ Breeches. St. subterranean, tuberiferous ; t2iiers globose ; rac. simple, secund, 4 — 6- flowered ; spiers short, rounded, obtuse, slightly incurved. — A smooth, pretty plant, common in rocky woods, Can. to Ky. The rhizoma bears a number of roundish tubers about the size of peas, and of a bright-yellow color. Leaves radical, subglaucous, biternate, the leaflets deeply pinnatifid, segments linear- oblong, obtuse, 5 — 8" long. Scape 6 — 8' high, bearing a few odd-looking flowers. Corolla white, tipped with yellow, 5" long. Calyx minute. Sta- mens 3 on each lip. Ma)', Jn. 3. D. EXIMIA. DC. (Corydalis formosa. Ph.) Choice Dielytra. iJAi^^oma scaly-bulbiferous ; lis. numerous; rac. compound, the branches cymose ; sp^irs very short, obtuse, incurved ; stigma 2-horned at apex. — A fine species, on rocks, &.c., found by Dr. Sartwcll, in Yates Co., N. Y. (S. to N. Car.) Leaves radical, 10 — 15' high, somewhat triternate, with incisely pin- natifid segments, but quite variable. Scape 8—12' high, with several (4 — 8) cymes, each with 6 — 10 purplish, nodding flowers. Corolla 8 — 10" long, oroad at base. Bracts purplish, at base of pedicels. .In. — Sept. f 2. ADLUMIA. Raf. Named for John Adlum, Washington, D. C, a cultivator of the vine. Sepals 2, minute ; petals 4, united into a fungous, monopetalous corolla, persistent, bigibbous at base, 4-lobed at apex ; stamens united in 2 equal sets; pod 2-Yalved, many-seeded. — d) Climbing. A ciRRHosA. Raf. (Fumaria fungosa. Willd. Cor)'dalis. JPers.) Mo^cn- tain Fringe. A delicate climbing vine, native of rocky hills, Can. to N. Car. Stem stri- ate, many feet in length. Leaves decompound, divided in a pinnate manner, ultimate divisions 3-lobed, smooth, their foot-stalks serving for tendrils. Flowers very numerous, in axillary, pendulous, cymose clusters, pale-pink. Calyx minute. Corolla slightly cordate at base, of 4 petals united into a spongy mass, cylindric, compressed, tapering upwards, 2-lipped. Fine for arbors. Jn. — Aug.f 3. CORYDAlIS. DC. Greek name of the Fumitory, from which genus this was taken. Sepals 2, small ; petals 4, one of which is spurred at the base ; XIII. CRUCIFER^. 159 stamens 6, diadelphous ; filaments united into 2 equal sets by their broad bases which sheath the ovary ; pod 2-valved, compressed, many- seeded. — Lvs. cauline. Pedicels raceniose, braciless. 1. C. GLAUCA. Ph. (Furaaria glauca. Curtis.) Glaucous Corydalis. St. erect, branched ; lvs. glaucous, bipinnate, segments cuneate-obovate, 3- lobed ; jwds linear, as long as the pedicels. — (g). A smooth, delicate plant, in mountainous woods, Can. to N. Car., covered with a glaucous bloom. Root fusitorm. Stem 1 — If high. Leaflets nearly 1' long and i' wide, cut into 3 obtuse lobes. Flowers terminal, on the subpaniculate branches. Calyx of 2, ovate, acuminate sepals, between which, placed crosswise, is balanced the cylindrical, ringent corolla, beautifully colored with alternating shades of red and yellow. May — Aug. 2. C. AUREA. Willd. (Fumaria aurea. Muhl.) Golden Corydalis. St. branching, diffuse; lvs. glaucous, bipinnate, lobed, the lobes oblong- linear, acute ; bracts linear-lanceolate, dentate, 3 times as long a.s the peduncle ; roc. secund, opposite the leaves and terminal ; pod terete, torulose. — (i) In rocky shades. Can. to Mo. S. to Ga. Stem 8 — 12' high, with finely divided leaves. Flowers bright yellow, about half as long as the torulose pods which succeed them. May — Aug. 4. FUMARIA. IM.ftfimvs, smoke ; from its disagreeable smell. Sepals 2, caducous ; petals 4, unequal, one of them spurred at the base, filaments in 2 sets each with 3 anthers ; nut ovoid or globose, I -seeded and valveless. — Lvs. cauline^ finely dissected. F. OFnciNALis. Fumitory. St. suberect, branched, and spreading ; lvs. bipinnate ; Ifts. lanceolate, cut into linear segments; roc. loose; scp. ovate-lanceolate, acute, about as long as the globose, retuse nut. — A small, handsome plant, in sandy fields and about gardens, introduced from Europe. Stem 10 — 15' high, smooth as well as the leaves. Leaflets cut into segments dilated upwards. Flowers small, rose- colored, nodding, the pedicels becoming erect in fruit, and twice as long as the bracts. July, Aug. ^ Order XIII. CRUCIFEK^.— Crucifers. Plants herbaceous, very rarely siiflruticose, with alternate leaves. Fls. yellow or white, rarely purple, without bracts, generally in racemes. Ca?.— Sepals 4, deciduous. . [a cross. Cot. of 4 regular petals, their claws inserted into the receptacle, and their limbs spreading in the form ot Sta. 6, 2 of them upon opposite sides, shorter than the other 4. [sepiment,— sJig'. two. Ova. composed of two united carpels, with two parietal placentae united by a membranous lUlse dis- Fr. a silique or silicle usually 2celled. Sds. attached in a single row to each side of the placenta' ;— albumen 0. hnibnjn, witli the two cotyledons variously folded on the radicle. Genera 173, species 1600.— This is a very natural order, larger than any of the preceding. The greater part of the species are found in the temperate zones. About lOO are peculiar to this comment. Properties.— The Crucifera- as a class are of much importance to man. They fiiriiisli several alimen- tary articles which are very nutricious, as the turnip, cabbage, cauliflower; severa others are used as condiments; as mustard, radish, cochlearia, &c. They all possess a peculiar acrid, volalile pnnciple, dispersed through every part, often accompanied by an etherial oil abounding in sulphur. They are also remarkable for containing more nitrogen than other veeetables, for which reason ammonia is generally evolved in their putrefaction. In medicine they are eminently stimulant and antiscorbutic. None are reaily poisonous, although very acrid. The root of Isatis tinctoria ailbrds a blue coloring matter. 14* 160 XIII. CRUCIFERiE FIG. 40.— 1. A flower of Sinapis nigra. 2. The stamens (4 long and 2 short) and pistil. 3. Plan of the flower,— stamens in 2 rows, outer row half wanting. 4. A silique,— 5, partly open, showing the septum with seeds attached. e.Cross section ofa seed, cotyledons conduplicate (0>>). 7. Flower (enlarged) and leaf of Capsella. 8. A si!icle,—9, open, showing the narrow septum with seeds. 10. Cross section of a seed, cotyledons incumbent (0 II). 11. Section ofa winged seed of Arabia Canadensis, cotyledons accumbent o li. Conspectus of the Genera. * Ornamental exotics not culinary.' ( Silicle 5 Some of the stamens toothed. < 2-celled . ( Stamens all toothless < Petals equal. ( Silicle icelled, l-seeded. Fruit siliculose ; { Petals unequal, the 2 outer ones larger. S Stigma capitate. 5 Seeds flat(0= ). J Stigmas comute. Fruit siliquose ; ^ Seeds ovoid >). . . . Sinapis. 23 Flowers I ^ oblong or somewhat terete NasHirtinm. 12 yellow. L Fruit siliculose, . . J obovoid or subglobose Camelina. 7 Section I. SILICULOSE. {{\ 80, note.) 1. THLASPI. Dill. Gr, ^\aw, to compress ; on account of the compressed or flattened silicles. Calyx equal at base ; petals equal ; silicle short, flat, emarginate at the apex, many-seeded ; valves carinate, often winged on the back ; cotyledons accumbent (0 = ). — Lvs. undivided. Fls. white. 1. T. arven.se. Penny Cress. Iais. oblong, coarsely dentate, smooth; silicle roundish-obovate, shorter than the pedicel ; stig. subsessile. — In cultivated, stony fields, Can. and Northern States. The whole plant smooth, 8 — 12' high, branched. Leaves 1 — 2' long, J as wide, the cauline slightly arrow-shaped with .small obtuse auricles, wavy and toothed Lepidilm. XIII. CRUCIFER^. 161 at margin. Flowers small, in terminal racemes. Silicles large, flat, with dilated wings. The plant has a disagreeable flavor of garlic. June.§ 2. T. ALLIACEUM. I/r.'!. oblong, obtuse, somewhat dentate, upper ones sagittate-amplexicaul, with acute auricles; silicles ovate-ventricose ; sti 80, 7iote.) 12. N A S T U R T I U M. R. Br. Lat. nasus tortus; from the eftect of these acrimonious plants upon the nose. Sepals equal at base, spreading; silique subterete, mostly curved upwards, sometimes short so as to resemble a silicle ; valves veinless ; seeds in a double row, 0=. — Aquatic herbs. TnRRiTis. XIII. CRUCIFERtE. 165 1. N. OFFiciNALK. R.Br. (SispnbriumNast. I/iw(.) EnglishWaler Cress. Lvs. pinnate ; Ifts. ovate, subcordate, repand ; fet. white, longer than tlie calyx.— '4- Brooks and ponds. Stems decumbent, 11" long, thick, with axillary- branches. Leaves ot:^ — 7 leaflets; leaflets broad, often cordate, rather acute, obtusely toothed, terminal one largest. Flowers corymbed. Siliques less than 1' long. Jn.— It is beginning to be cultivated in the vicinity of our cities as a salad. ^1 2. N. AMpniBirM. R. Br. (Sisymbrium. Linn.) Amphibious Water Cress. Lvs. oblong-lanceolate, pinnatifidor serrate; rt. fibrous ;/>«/. longer than the calyx; siliquc elliptical, acute at base, tipped with the mucronate style.— % Banks of the Mohawk, Dr. Robhins. Rare. Stem 1— 2f high, furrowed. Leaves variable, immersed ones pinnatifid or pectinate, upper ones serrate. Flowers yellow, minute, in a long, dense raceme. Siliquc half as long as the spreading or reflexed peduncle, pointed with the short style. Jn. Jl. 3. N. PALL-.STRE. DC. Marsh Water Cress. Lis. pinnately lobed, amplexicaul, lobes confluent, dentate, smooth; rt. fusiform ; pel. as long as the sepals ; silique spreading, turgid, obtuse at each end.— T; In wet places. Stem 1— "if high, erect, branched above. Leaves a— 3 long, all more or less pinnatifid, smooth, except a few ciliae at base. Flowers numerous, minute, yellow. Siliquc 3 — \" long, on pedicels of equal length, Jn. — Aug. 4. N. HispiDUM. DC. (Si.symbrium. Poiret.) Hispid Water Cress. St. villous ; /i-5. somewhat villous, runcinate-pinnatifid, lobes rather ob- tusely dentate ; sili(jucs (rather silicles) ovate, tumid, pointed with the style, scarcely more than half as long as the pedicels; pet. scarcely as long as the calyx.— '4 Banks of streams, Walpole, N. H., Conn, to Fenn. Stem angular, branched, 1— 3f high, with many paniculate racemes above. Leaves 3 — 6 long. Flowers minute, yellow. Silicles I" long, on pedicels 2—3" long and somewhat spreading. 5. N. NATANS. DC. /?. Avicricaimm. Gray. Floating Water Cress. Emcrscd lvs. serrate, oblong-linear, undivided, immersed ones doubly pinnatifid, with capillary segments ; pet. twice as long as the calyx ; sihques obovate, twice as long as the style.— TJ. In water. Can. and U. S. Stem long, submerged. Flowers white, middle size. Jl. G. N. sYLVK.^^TKE. (Sisymbrium vulgarc. Pers.') Creeping Water Cress. Lvs. pinnately divided, segments lanceolate, incisely atrvaXe.; pet. longer than the calyx; siliques oblong, torulose; sty. very short.— Banks ol the Dela- ware near Philadelphia. Nuttall. § 13. BARB ARE A. R. Br. In honor of St. Barbara, who discovered (what no one has since perceived) its medicinal virtuea. Sepals erect, subequal at base ; silique columnar, 2— 4-coriiered : valves concave-carinate ; seeds in a single series ; 0=. — Lvs. lyrately pinnatifid. Fls. yellow. B. VULGARIS. R. Br. (Erysimum Barbarea. Linn.) Winter Cress. LoiL-er lvs. Ivrate, the terminal lobe roundish, vpper ones obovate, pin- natifid at base, crenate or repand-dentate ; siliqtics obscurely 4-cornered.--T; In old fields, also brook-sides, Northern States, W. to Oregon, common. vVhole plant glabrous. Stem furrowed, 1— 2f high, branching above. Leaves 1— •.>— 4 Ion?, dark green, shining, on cla.sping petioles, the terminal lobe 1— li diam., upper ones sessile, all with obtuse teeth. Flowers on pedicels \ long, in ter- minal racemes. Siliques slender, V long, curved upwards. May, Jn. 14. TURRITIS. Dillon. I.nt. IvrritJs, turrcted ; from the pj-ramidal form of the plant. Sepals erect, converging ; petals erect ; silique long, linear, 2-edged ; valves plane : seeds in a double scries, 0=. — Fls. cyanic. 166 Xlll. CRUCIFER^. Arabis. 1 . T. GLABRA. Smooth Totcer Mustard. St. erect ; radical Ivs. petiolate, dentate, with ramose hairs, cauline ones broad-lanceolate, sagittate, half-clasping, glaucous, smooth; siliques erect. — Shores of Lake Superior, W. to the Rocky Mts. Naturalized about New Haven. Eaton. Stem round, simple, IJf high. Leaves 1 — 2' long. Siliques 2 — 3' long, very narrow. Flowers pale sulphur-yellow. May. /SI T. & G. Lvs. all linear-lanceolate and glabrous, radical mies remotely repand-denticulate, cauline entire. — Watertown, N. Y., on rocks. Torrey tf* Gray. 2. T. BRACHYCARPA. Torr. & Gray. Glabrous and glaucous ; radical lvs. .spatulate, dentate, cauline ones linear- lanceolate, sagittate and subamplexicaul ; siliques short, linear-oblong ; pedicels pendulous in flower, spreading in fruit. — (^ Lake shores, Mich. Stem 1 — 2f high, often purplish, as well as the foliage. Flowers rather large, pale purple. Siliques V long, spreading. 15. arAbis. Said to derive its name from Arabia, its native country. Sepals erect ; petals unguiculate, entire ; silique linear, compressed ; valves 1 -veined in the middle,- seeds in a single row in each cell. — Fls. white. 1. A. Canadensis. (A. falcata. Mi-chx.) Sickle Pod. Cauline lvs. sessile, oblong-lanceolate, narrow at base, pubescent; josff/- ceZs pubescent, reflexed in the fruit; silique subfalcate, veined, pendulous; sds. winged. — %. On rocky hills. Can. to Ga. W. to Ark. A plant remarkable for its long, drooping pods, which resemble a sickle blade, or rather a curved sword blade. Stem 2 — 3f high, slender, round, smooth. Leaves 1 — 3' long, J as wide ; the lowest early marescent, middle and upper ones sessile or clasping, with narrow bases, remotely denticulate. Flowers small, white. Pods slen- der, flattened, nearly 3' long. Jn. 2. A. lyrata. (Sisymbrium arabidoides. Darl.^ St. and upper lvs. smooth and glaucous ; radical lvs. lyrately pinnatifid, often pilose; st. branched at base; pedicels spreading; siliques erect. — (g) On rocky hills. Can. to Va. Stems often many, united at base, 6 — 12' Mgh. Root- leaves numerous, rosulate, 1 — 3' long, i as wide, petiolate, lower stem-leaves pinnatifid or sinuate-dentate, upper ones sublinear and subentire. Flowers middle size. Siliques when mature li — 2' long, less than 1" wide. Apr. May. 3. A. LAEVIGATA. DC. (Turritis loevigata. Miikl.) Smooth and glaucous ; radical lvs. obovate and oblong, tapering to a pe- tiole, dentate, stem lvs. linear-lanceolate, amplexicaul, obtuse, upper ones entire ; pedicels about as long as the calyx, erect ; siliques very long, linear at leno-tJi spreading and pendulous ; 5^/5. winged. — %. In rocky woods and low grounds, Can. to Ark. Stem 1 — 2f high, round, smooth, simple or branched above! Root-leaves often purplish, | — 1§' long, i as wide, with acute teeth. Stem- leaves 2 — 5' long, i as wide, upper ones entire. Flowers in long racemes. Siliques 2 — 3' long, scarcely 1" wide. May. 4. A. HiRsuTA. Scop. (Turritis. Linn.) Erect, branching; lvs. mostly dentate, hirsute, radical ones oblong-ovate, tapering to a petiole, cauline ones oval or lanceolate, sagittate; siliques ^Xraighi, erect. — (1) Found in low, rocky grounds. Can. to Va. W. to Oregon. Stems 2 or more from the same root, round, hairy at base, near a foot high, dividing into very slender and parallel branches. Leaves scarcely dentate, sessile, with heart-shaped or arrow-shaped bases, upper ones acute. Flowers greenish- white. Siliques straight, 1 — 2' long. Jn. 5. A. HETEROPHY'LLA. Nutt. Nearly smooth ; radical lvs. spatulate, toothed, upjycr ones linear, sessile, entire ; silique long and spreading ; pet. linear-oblong, exceeding the calyx. — Near Paris, Me., and the White Mts., N. H. Radical leaves somewhat pilose with simple hairs, upper ones linear, about 2' long, and 1 — 2" wide. Siliques about 3' long. NuUall. Dentaria. XIII. CRLrCIFER^E. 167 G. A. DEN-TATA. Torr. & Gray. Plant somewhat scabrous ; radical lis. obovate, petiolate, unequally and sharply dentate ; caulinc ones oblong, amplexicaul ; ^c^. minute, spatulate, as long as the sepals ; stig. subsessile ; silique short. — (I) River banks. Western States! Stem slender^ ascending, 1 — 2f high. Petals white, with a purplish tinge. Siliques 1' in length. Apr. 16. CARD AMINE. Gr. KapSia, heirt, iajtaoi, to strengthen ; from its stomachic propeitiea. Calyx a little spreading; silique linear, with flat, veinlcss valve?, narrower than the dissepiment, and often opening clastically ; stigma entire ; seeds not margined, with a slender funiculus, 0=. — Mostly %■. Fls white. 1. C. HiRSUTA. (C. Pennsylvanica. Muhl.) Pennsylvanian Cardamine. Lis. pinnate or lyrately pinnatifid ; Ifls. entire, or .sparingly repand-den- ticulate, those of the radical "leaves oval-oblong, of the cauline linear-oblong, the terminal one longest, about 3-lobcd ; pet. oblong-cuneate ; siliqucs erect, with a very short stvle. — ® or % A variable plant common in wet places throughotit the U. S. " Stem 8 — IG' high, mostly smooth. Leaflets 2 — 5 pairs, 4 — IS'' long, smoothish. Fls. small. Siliques about 1' long, 12 — 18 seeded. Jn. 2. C. ViRGiNicA. (C. hirsuta. /?. Hook.) Virginian Cardamine. Lis. hTately pinnate ; Ifls. with a single tooth on one or both sides ; pet. nearly twice as long as the calyx ; roc. strictly erect ; stig. sessile ; silique long, incurved, erect. — (g) A small and delicate species, much resembling the last, but probably distinct. Found on dry hill-sides, Vt. Ct. to Ky. and Mo. Stem 4—^' high, slender, leafy. Leaflets 2 — 4 pairs with a trilobate odd one, oval, 1 — 2" in length, those of the upper leaves 3 — 5" long, but very narrow. Petals small. Siliques filiform, 1' long. Jn. 3. C. PRATENSis. Field Cardamine. St. erect or decumbent, simple ; Ivs. pinnately 7 — 15-foliate ; Ifts. petio- late, subentire, lower ones suborbicular, upper linear-lanceolate ; stij. distinct. — % Swamps, N. Y. to Arctic Am. Whole plant smooth. Stem round, striate, 10— IG' high. Leaves few, U— 2' long including the petiole. Leaflets of the root-leaves 1—3" diam., of the cauline 3 — 6" by f". Flowers large, few, in a terminal raceme. Petals white or rose-color. Siliques nearly 1' in length, erect. Apr. May. 4. C. ROTUNDiFOLiA. Michx. (C. rhomboidea. DC. Arabis. Pers. Nutt.) Glabrous or .somewhat hairy; Ivs. entire or vepand-tooiheA, radical ones orbicular-ovate, on long petioles, cauline ovnl or oblong-lanceolate, petiolate below, sessile above, dentate. — % Another variable species with rather large, white or reddish flowers. Stems 6 — 12' high, angular or striate, mostly erect. Leaves of root 10 — 18" diam., on petioles 2 — 4' long. Racemes about 3' long, 12 — 20-flowered. Petals 2 — 4 times as long as the calyx. Siliques spreading, 6—12" long. Apr. May. Q. T. &G. /?/. mostly tuberiferous ; st. erect; Imecr stem Ivs. rhomhoid-oval; pet. large. — Wet meadows. Conn. Vt. Dr. Robbins. 0. T. &. G. Rt. mostly fibrous ; st. decumbent, branching ; Ivs. all petio- late; fet. smaller, purplish. — Shaded springs and rivulets, N. Y. 4. C. BELLiDiFOLTA. (C. rotttndifolia. Bw. not Michx.) Lis. smooth, radical ones orbicular-ovate, nearly entire, petiolate ; cau- linc ones entire or 3-lobed; siliques erect. — A minute species on the summits of the White Mts. Abel Slorrs ! &c., also Arc. Am. to Calif. Stem IJ— 3' high. Leaves mostlv radical, broadly oval or ovate, i' long, on petioles as long as the stems. Fascicles corjmibose, each of 3 or 4 white flowers. Petals oval, obtuse, about twice as long as the calyx. Jl. 17. DENTARIA. Lat. liens, a tooth : from the tooth like projections of the rhizoma. Sepals converging ; silique lanceolate, with flat, veinless, revolute 1C8 XIII. CRUCIFERiE. Sisymbrium. valves, opening elastically ; placentae not winged ; seeds in a single row, ovate, not bordered ; funiculus slender, 0=. — Rhizoma %. Lvs. divided, often but 2 or 3. Fls. lohite or purplish. 1. D. DiPHYLLA. Pepper Root. St. 2-leaved; ///.■:. ternatp, subovatc, unequally and incisely dentate; r/iiz. dentate.— In woods and wet meadows, Can. to Car. and to the Miss. Stem about If high, round, smooth, with 2, nearly opposite, ternate leaves above the middle. Leaflets on very short stalks, the lateral ones oblique, all with rounded, mucronate, unequal teeth. Flowers racemed, large, white ; the petals much larger than the calyx. The rootstock is long and large in proportion to the plant, beset with teeth, with a pungent, aromatic taste. May. 2. D. LACiNiATA. Muhl. (D. concatenata. Mlchx.) /?Ai^. monilitbrm ; cauline lis. 3, 3-parted, the divisions lanceolate or linear-oblong, incisely toothed or pinnatifid, lateral ones lobed. — In woods, Can. and U. S. The rootstock consists of several tubers of a pungent taste. Stem If high, smooth, simple. Leaves usually in a whorl about half-way up, the segments with very irregular, mucronate teeth, rarely subentire, lateral ones cut nearly to the base, rendering the leaf almost quinate. Root-leaves some- times 0. Flowers racemed, purplish. Apr. May. 3. D. MAXIMA. Nutt. St. tall ; lvs. alternate, 5—7, remote, the margin a little roughened ; Ifts. somewhat oval, incisely and acutely dentate, lateral ones lobed.— Western N. Y. and Penn. Tubers of the rhizoma concatenate. Stem often nearly 2f high. Flowers pale purple. 4. D. HETEROPHYLLA. Nutt. Rtiiz. moniliform, with oblong tubers; radical lvs. on long petioles, deeply and obtusely lobed, lobes crenate-dentate with abruptly mucronate teeth, cauline lvs. 2, rarely 3, alternate, petiolate, ternately divided, segments linear- lanceolate, entire or rarely toothed, rough-edged. — Woods, Penn. to Ky. Stem 8—12' high. Cauline leaflets 1—2' long, 2—3" wide. Corymb with about 9 pale purple flowers. Jn. 18. HE S PER IS. Gr. to-wpif, evening; when the flower is most fragrant. Calyx closed, furrowed at base, shorter than the claws of the petals ; petals bent obliquely, linear or obovate ; silique 4-sided, 2-edged or subterete ; seeds not margined ; stigmas forked, with the apices con- verging. 1. H. MATRONALIS. Rockct. St. simple, erect ; lvs. lanceolate, ovate, denticulate ; pet. emarginate, mucronate ; pedicels as long as the calyx.— A fine garden perennial, said to be found native about Lake Huron. Stem 3 — 4f high. Flowers purple, often double, and white in /?. hortensis. f 2. H. APRlCA. Siberian RocM.—St. erect, simple, pubescent; lvs. oblong, obtuse, entire, ciliate-hispid ; pedicels as long as the calyx. — % From Siberia. Stem a foot high. Flowers purple. May. Jn. f 19. SISYMBRIUM. Allioni. Calyx mostly spreading, equal at base ; petals unguiculate, entire ; silique subterete ; valves concave ; style very short ; seeds in a sin- gle series, ovoid; cotyledons Oy, sometimes oblique. 1. S. OFFICINALE. Scop. (Erysimum. Linn.) Hedge Mustard. Ld-s. runcinate ; rac. slender, virgate ; siligves subulate, erect, closely ap- pressed to the rachis. — (J) A common and troublesome weed, in fields, road- sides, rubbish, &c., Can. and U. S. Stem 1— 3f high, round, more or less hairy, with spreading branches. LoAver leaves 3—8' by 1—3', the lower segments placed at right angles to the midvein, or pointing "backwards, the terminal seg- Cheiranthls. Xlli. (JKUCIFEll^E. 169 ment largest. Upper leaves in 3 lanceolate segniems placed at right angles. Flowers small, yellow, terniluuting the raceme, which becomes 1 — 2f long and environed by the appre.ssed, sessile pods. Jn. — Sept. Medicinal. ^ 2. S. Th.vliana. Gay. (Arabis. Linn.) Tliallan Hedge Mustard. Lis. subdenlate and \>\\oii<^, radical ones numerous and pctiolate, oblong, cauline ones lanceolate ; cai. much shorter than the pedicels ; siliqiics ascending, twice longer than the pedicels. — (i) Rocks and sand}' fields, Vt. to Ga. W. to Ky. Stem -1 — 12' high, erect, with slender, erect branches, striate, pilose, olten 3. S. TERES. T. & G. (Cardamine. Mich.i:) St. erect, branched; Ivs. all somewhat lyrately linuatifid; siliqties short, linear, acuminate, on very short peduncles ; "O II. — (X) Shores of Lake Cham- plain, Vt. Plant about 8' high, slightly scabrous with very short hairs. Sili- ques erect, terete, 4" in length, beaked with the short, slender style. Seeds 00. 4. S. CANESCENS. Nutt. Lvs. bipinnately divided, canescent, lobes oblong or lanceolate, subden- late or obtuse; pet. about equaling the calyx; siliqnes oblong-linear, shorter than the pedicels. — 0 Arctic Sea to Flor." Plant 1 — 2f high, often nearly smooth. Leaves about 3' long, sessile, segmenls 5 — 7 pairs, finely divided. Fls. very small. Siliques often erect, on spreading pedicels. Variable. 20. ERYSIMUM. Gr. epvai, to cure ; from its salutary medicinal properties. Calyx closed ; siliques columnar, 4-sidecl ; stigma capitate ; seeds in a single series ; cotyledons oblong, 0||. 1. E. CHEIRANTHOiDES. Pubescence minute, appressed, branched ; Irs. lanceolate, denticulate or entire; silique erect, spreading, twice longer than the pedicels; stig. small, nearly sessile. — 0 By streams and in wet grounds, U. S. and Can., not com- mon. Stem erect, 1 — 2f high, often branched, and, with the leaves, scabrous. Leaves acute at each end, 1 — 2' long, ^ as wide. Flowers small, yellow, in long racemes. Siliques ^' to near 1' in length, linear, and somewhat spread- ing. Jl. 2. E. Arkansanum. Nutt. Yellow Phlox. False Wall- Flanker. Scabrous, with an appressed pubescence ; st. simple ; lvs. linear-lanceo- late, remotely dentate, sessile, lower ones runcinate-toothed ; inflorescence race- mose, corymbed at summit; siliques long, 4-angled, suberect ; stig. capitate. @ A fine plant with large, showy flowers, resembling the wall-flower. Banks of Scioto, Sullivant. Arkansas, Nnttall. Bluffs of the Wabash ! Wood. 111. Mead! Stem 1 — 3f high, slender. Leaves 2 — 3' by 3 — 6". Sepals straw-color. Petals large, bright orange-yellow. Siliques 3' long. Jn. Jl. 21. CHEIRANTHUS. Arabic kheyry, the name of a certain plant, and Gr. aj/Soj, flower. Calyx closed, 2 of the sepals gibbous at base ; petals dilated ; silique terete or compressed ; stigma 2-lobed or capitate ; seeds flat, in a single series, often margined, 0=. 1. C. HESPERiDoiDEs. T. & G. (Hesperis piunatifida. Alich.v.) Glabrous; loicer lvs. lyrate-pinnatifid, «7>/^e/- lanceolate, attenuate at base, unequally and sharply serrate-dentate, acuminate ; pedicels as long as the calyx ; pet. obovate-spatulate, obtuse ; silique terete ; stig. capitate ; sds. margined. — %. Penn. to 111.! S. to Ark. Stem slender, furrowed, 2 — 3f high. Leaves thin, 3—5' long, \ as wide, those of the stem scarcely petiolate. Racemes terminal and axillary. Calyx shorter than the claws of the violet-colored petals. Siliques torulose, 15 — ^20" long; seeds oblong, plano-convex, with a narrow border. May, Jn. 170 Xill. CRUCIFER^. Sixapis. 2. C. CiiKiKi. — Wall-FLoiver. — 5';. somewhat shrubby and decumbent at base ; Ivs. entire or slightly dentate, lanceolate, acute, smooth; branches angular; pet. obovate; siUques erect, acuminate.— '1|. From S. Europe. A popular garden flower, admired for its' agreeable odor and its handsome corj-mbose clusters of orange or yellow flowers. Plant 1 — 2fhigh. Jn. 22. MATTHIOLA. R.Br. In honor of P. A. Matthioli, physician to Ferdinand of Austria, and botanic author. Calyx closed, 2 of the sepals gibbous at base ; petals dilated ; siliques terete ; stigmas conuiveut, thickened or cornute at the back. — Herbaceous or shrubby^ oriental -plants, clothed icith a hoary, stellate ■pubescence. 1. M. ANNUUS. R. Br. (Cheiranthus. Linn.) Ten-ioceks Stock. — St. herba- ceous, erect, branched ; Ivs. hoary-canescent, lanceolate, obtuse, subdentate ; silique subcylindrical, without glands.—® A fine garden flower from S. Europe. Stem 2f high, and, with the leaves, covered v\-ith a soft, stellate pubescence. Flowers variegated. Jn. -f 2. M. iNCANUs. R. Br. (Cheiranthus. Linn.) Purple July Flmoer.Sl. .shrubby at base, erect, branched; lis. lanceolate, entire, hoary-canescent; siliqucs subcylindrical, truncate and compressed at apex, without glands.— (g) One of the most popular flowers of the genus, native of England, &c. Stem 2f high. Flowers purple.— Several varieties are enumerated, as the Double- flowered, Brompton Stock, and Bromptou Glueen. Jn. -j- 3. M. FENESTRALis. R. Br. (Cheiranthus. Linn.) Window July Floicer. — St. sutfruticose, erect, simple ; lis. crowded, recurved, undulate, downy ; siliques downy, without glands, broadest at base.— From S. Europe. Plant If high. Flowers numerous, large, purple. Jl. Aug. f 4. M. Gr^ecus. R. Br. (Cheiranthus. Limi.) Grecian Stock. — St. herba- ceous, erect, branched ; Ivs. lanceolate, glabrous ; siliq-ucs somewhat compressed, without glands.--(D From Greece. Plant about If high, distinguished from the remainder of the genus by its smooth foliage. Flowers white, appearing all summer. -J" 23. SIN APIS. Sepals equal at base, spreading ; petals ovate, with straight claws ; siliques subterete ; valves veined ; style short and subulate, or ensi- form ; seeds in a single series, subglobose, 0 >>. — Fls. always yellow. 1. S. NIGRA. Black Mustard. Lower Ivs. lyrate, -upper linear-lanceolate, entire, smooth ; silique smooth, somewhat 4-angled, appressed to the rachis of the raceme.— (I) In cultivated grounds and waste places. Stem 3— 6f high, round, smooth, striate, branching. Leaves all petiolate, lower ones variously lobed and dentate, upper ones pen- dulous and entire. Sepals and petals sulphur-yellow. Pods very numerous, nearly 1' long, beaked with the 4-sided styles. S'eeds 00, small, globose, nearly black, well known as a condiment. Jn. Jl. -^ ^ 2. S. ARVENsis. Meld Mustard. St. and Ivs. hairy; sitiq^ie smooth, many-angled, torose, about 3 times longer than the slender, ancipital style.—® Naturalized in N. Y., T. >. — i^/5. yelloiv. 1. B. CAMPESTRIS. Cak. Lis. somewhat fleshy and glaucous, the loiccr lyrate-dentate, subciliate, upper ones cordate-amplexicaul, acuminate.— (J) Native of Sweden, naturalized in cultivated fields and waste places. Stem IJ— 3f high, round, smooth above, with a few scattered, reversed hairs below. Lower leaves 3 — 7' long, J as wide, the terminal lobe greatly exceeding the lateral ones ; upper smaller, en- tire, with rounded, clasping lobes at base, tapering to an obtuse point. Racemes 1— 2f long. Sepals erect, spreading. Corolla yellow, 4 — 5" diam. Siliques IJ' long, with the style i'. Seeds small, dark brown. Jn. Jl. ^ p. Eutaiai^a. (Swedish Turnip.)— Rt. tumid, napiibrm, subglobose, yellow- ish.—Cultivated like the common turnip ; but after a thorough experiment it is conceded by farmers to be inferior in value to that root, although it grows to an enormous size. :}: 2. B. Rapa.— Radical Ivs. lyrate, rough, not glaucous, caulinc ones incised, upper entire, smooth. -^ 0. depressa. {Cmivnon Turnip.)— Rt. depressed-globose or napiform, con- tracted below into a slender radicle.— @ Long cultivated for the table, &c., in gardens and fields. Stem 2 — 4f high, and, with the leaves, deep green. Upper leaves amplexicaul. Pods 1' long. Seeds small, reddish-brown. Jn. % 3. B. OLERACEA. {Cabbas^e.) — Lvs. very smooth and glaucous, fleshy, repand- toothed or lobed.— (2) Native of Europe, where it grows on rocky shores and clifis, with no appearance of a head, forming a surprising contrast with the cul- tivated varieties. The excellence of the cabbage as a pot-herb needs no en- comium. X ^ ,, 0. bullata. {Savoy Caibage.y—L/vs. curled, subcapitate when yoimg, finally expanding. y. botrytis-ca-uliflora. {Cauliflower.}— St. low; hds. thick, compact, terminal; fls. abortive, on short, fleshv peduncles. :j: <5. botrytis-asparagoides. {Br()ccoli.)St. taller; hds. subramose; branches fLeshy at the sumnut, consisting of clusters of abortive flower-buds. | t. capitata. {Head Cabbage. York Cabbage.) — S'^ short; ZfS. concave, packed in a dense head before flowering; rac. paniculate. :|: Section 3.— L.OMENTACEJE. 25. CAKlLE. Silicle 2-jointed, the upper part ovate or ensiform ; seed in the up- per cell erect, in the lower pendulous, sometimes abortive. — ® Mari- time herbs. C. MARiTiMA. Scop. (Buuias edentula. i?w.) Sea Rocket. Upper joint of the silicic ensiform or ovate-ensiform. — Native of the sea- coast ! and of the lake shores of N. Y. A smooth, succulent plant, branching and procumbent, 6 — 12' long. Leaves sinuate-dentate, oblong-ensiform, cadu- cous. Flowers on short, fleshy peduncles, in terminal spikes or racemes, _co- rymbosely arranged. Petals purple, obtuse at end. Silicle smooth, roundish, lower joint clavate-obovate upper with one elevated line on each side. Jl. Aug. 26. RAPHANUS. Gr. pa, quickly, (^au'W, to appear from its rapid growth Calyx erect; petals obovate, unguiculate : siliques terete, torose, not opening by valves, transversely jointed or divided into cells; seeds large, subglobose, in a single series, 0 >>. 15* 172 XIV. CAPPARlDACEiE. Polanisia. 1. R. Raphanistrum. Wild Radiih. L/vs. lyrate; si%w€ terete, jointed, smooth, becoming in maturity 1-celled, longer than the style.—® Naturalized in cultivated fields and by road-sides, but rare. Stem glaucous, branching, 1 — 2f high, bristly. Leaves rough, den- tate, petiolate or sessile. Calyx bristly. Pods yellow, blanching as they de- cay. Jn. Jl. § 2. R. SATlVA. Garden Radish.— Lmver Ivs. lyrate, petiolate ; silique torose, terete, acuminate, scarcely longer than the pedicels. — ® A well-known salad root, from China. Stem 2 — 4f high, very branching. Lower leaves 6—10' long. Flowers white or tmged with purple. Pods 1—2' long, thick and fleshy. The principal varieties are the twrnip radish, root subglobose ; common radish, root oblong, terete ; black Spanish, radish, root black outside. Jn. Aug. ^ Order XIV. CAPPARIDACE^.— Capparids. Herbs, shrubs or even trees, destitute of true stipules. Lvs. alternate, petiolate, either undivided or palmately divided. fto. solitary or racemose. Sep. 4. Cor.— Petals 4, cruciate, unguiculate, hypogynous, more or less unequal. Sta. 6—12, or some multiple of four, almost perigynous. Tortw small, often elongated, bearing a single gland. Ova. often stipitate, of 2 united carpels. Sty. united into one. Stig. discoid. Fr. either pod-shaped, and dehiscent, or fleshy and indehiscent. Placenta, usually 2. Sds. many, reniform. Albumen 0. Embryo curved. Cotyl. foliaceous. Genera 28, species 340,— chiefly tropical plants. They are more acrid in their properties than the Cru- cifersB, but otherwise much resemble them. One species of Polanisia is used as a vermifuge. Conspectus of the Genera. $ stamens 6 Cl&rnie.^ 2. Torus minute { Stamens 8-32. . ^"""iiTA^i^. f Torus linear and elongated like a stipe. Stamens 6 Gynandropsis. 1. L GYNANDROPSIS. DC. Gynandria, a Limiean class, oTpii, appearance. Sepals distinct, spreading ; petals 4 ; stamens 6, the filaments ad- nate below to the linear, elongated torus its whole length ; pod linear- oblong, raised on a long stipe, which rises from the top of the torus. — (D Lvs. digitate. Fls. racemed. G. PENTAPHYLLA. DC. (Clcomc. Linn.) Middle lvs. petiolate, 5-foliate, floral and lotoer ones 3-foliate ; Ifts. ooo- vate, entire or denticulate. — In cultivated grounds, Penn., &c. Stem simple, 2 3'f high. Flowers of a very singular structure. Pedicels about 1' long, slender. Calyx small. Petals " white, ^ as long as their filiform claws. Sta- mens 1' long, spreading, apparently arising from the midst of the long styloid torus. Pod 2' long. % 2. CLEOME. Sepals sometimes united at base ; petals 4 ; torus minute or round- ish ; stamens 6 — 4 ; pod subsessile or stipitate. — Herbs or shrubs. Lvs. simple or digitate. Fls. o-acetncd or solitary. C. P0NGENS. S^'(/€r«7W?.— Glandular-pubescent; st. simple, and with the peti- oles, aculeate; lvs. 5— 9-foliate, on long petioles; Z/i!s. elliptic-lanceolate, acute at each end, obscurely denticulate ; bracts simple ; fl,s. racemed ; sep. distinct ; pet. on filiform claws"; sta. 6, twice longer than the petals.— A common gar- den plant, with curious purple flowers. Stem 3 — 4f high. Jl. Aug. f 3. POLANISIA. Raf. Sepals distinct, spreading ; petals 4, unequal ; stamens 8 — 32 ; fila- ments filiform or dilated at the summit, torus minute ; pods linear. — ® Strong-scented herbs. PoLYUALA. XVI. POLYGALACE^. 173 P. GRAVEOLKNS. Raf. (Cleome dodecandria. Michx.) Viscid-pubescent; lis. ternate ; Ifts. elliptic-oblong ; fis. axillary, solitary; sta. 8 — 12 ; capsule oblong, lanceolate, attenuate at base. — A strong-scented plant, found on gravely shores ! Vt. to Ark. Stem If high, branching, striate. Leaf- lets 1 — li' long, i as wide, nearly entire and sessile ; common petiole 1' long. Flowers in terminal racemes. Petals yellowish-white, narrowed below into long claws. Filaments slender, exserted. Pods 2' long, glandular-pubescent, siliquose, viscid like every other part of the plant. Jl. Order XV. RESEDACE.^.— Mignionettes. Herbs with alternate, entire or pinnate leaves. Slip, minute, gland-like. FLs. in racemes or spikes, small and often fragrant. Criuscula. T. & G. (V. scabriuscula. Schw.) St. decumbent, branch- ing from the root, and with the smaller leaves somewhat scabrous. 16. V. hastata. Michx. Smooth, simple, erect, leafy above; lvs. deltoid-lanceolate, hastate or broadly ovate-acuminate, dentate; slip, ovate, minute, ciliate, dentate; lower pet. dilated, obscurely 3-lobed, lateral ones .•^'ightlv bearded ; sep. lanceolate, with ITM XVII. VlOLACEiE. Solea. a verv sliort ppur. — Pine woolIs, Penn. to Flor. Stem C — 10' high. Peduncles shoiter rhan the leaves. Flowers yellow. May. 17. V. MuHLENBERGii. ToiT. Muhknherg's Violet. St. weak, assurgent; Ivs. reniform-cordate, upper ones crenate, rather acuminate ; slip, lanceolate, serrate, ciliate. — A spreading, slender species, in swamps, &c., IJ. S., N. to Lab. Stems branched below, 6 — 8' long, with large stipules cut into iringe-like serratures. Leaves 6 -10" diam., younger ones in- volute at base. Petioles longer than the leaves, and shorter than the axillary peduncles. Bracts linear, alternate, on the upper part of the stalk. Petals en- tire, pael purple, the lateral ones bearded. Spur porrected, very obtuse. Stig- ma rostrate. May. 18. V. RosTRATA. Beaked Violet. Smooth; st. terete, diffuse, erect; Zf.s. cordate, roundish, serrate, upper ones acute; stip. lanceolate, deeply fringed; pet. beardless; sp^ir longer than the corolla. — A common violet in moist woods. Can. to Ky., well characterized by its long, straight, linear, obtuse nectary, which renders the large flowers similar to" tho.se of the lark.spur. Stem 6 — 8' high, branching below. Petioles much longer than the leaves. Stipules almost pinnatifid. Peduncles slender, very long, axillary. Flowers pale blue. May. 19. V. STRIATA. Ait. (V. ochroleuca. Schw.) Striped Violet. Smooth ; St. branching, nearly erect ; Ivs. roundish-ovate, cordate, the up- f)erones somewhat acuminate, crenate-serrate ; stip. large, ciliate-dentate, ob- ong-lanceolate ; sp^tr somewhat porrected. — Wet grounds, U. S. and Can. Stem G — 12' high, half round. Leaves 1 — li' wide, on petioles 1 — 2' long. Stipules conspicuous, laciniate. Peduncles axillary, often much longer than the leaves. Corolla large, yellowish-white or ochroleucous, lateral petals dense- ly bearded, lower one striate with dark purple. Stigma tubular. Jn. 20. V. ARVENsis. Ell. (V. tenella. Muhl. V. bicolor. Ph. V. tricolor. /3. arvensis. DC.) St. 3-angled, erect ; Ivs. orbicular-.spatulate, smooth, subdentate, upper ones ovate-spatulate ; slip, foliaceous, pinnatifid, very large ; jict. longer than the calyx, bluish-white. — ® A rare species, though widely dispersed from N. Y. South to Ga., and W. to Mo., on dry hills. Ste?n pubescent on the angles, 2 — 4' high. Leaves 3 — 5" diam., shorter than the petioles, with about 5 obtuse teeth or angles; cauline ones more narrow, .sometimes entire. Stipular segments linear-oblong, as long as the leaves. Peduncles 4-angled, twice longer than the leaves. Petals twice longer (scarcely longer T. <^' G.) than sepals, lateral ones bearded, lowest with 5 striae. May. 21. V. TRICOLOR. Tricolored Violet. Panscy. Hiart's-casc. — St. angular, dif- fuse ; lis. oblong-ovate, lower ones ovate-cordate, deeply crenate ; slip, runci- nately pinnatifid or Ivratc, the terminal segment as large as the leaves ; spi/r short, thick. — Gardens, where its pretty flowers are earliest in .spring, and latest in autumn. Flowers variable in size, the 2 upper (lower) petals purple, the 2 lateral white and with the lower, striate, all yellow at base, -f- 22. V. GRANDiFLORA. Great Purple Violet.— SI. 3-corncred, simple, procum- bent; Irs. ovate-oblong, crenate, shorter than the peduncles; .<;//>. lyrate-pinnati- fid ; yfc. large. — Native of Switzerland. A large and beautiful sj^ecies, with dark purple flowers, 1 — 2' diam. Whole plant smooth, G— 12' long. Stipules 1 — 1' long. Flowering all seasons but winter, f 2. SOLEA. Gingins. Sepals nearly equal, not auriculate ; petals unequal, the lowest 2- lobed and gibbous at base, the rest emarginate ; stamens cohering, the lowest 2 bearing a gland above the middle ; capsule surrounded at base by the concave torus ; seeds 6 — 8, very large. — % Lvs. cau- line, alternate. S. coNCOLOR. Gingins. (Viola concolor. Ph.) Green Violet. A strictly erect plant, in woods, Western N. Y. to Mo., S. to Car. Stem Drosera. XVIir. DROSERACE^. 179 1 — 2f higli, simple, and, with tlie leaves, somewhat hairy. Leaves 4 — 6' by 1 J — 2i', lanceolate, acuminate, subentire, tapering to short petioles. Peduncles very short, 1 — 5-flowered, axillary. Flowers small, greenish white. Calyx about as long as the corolla. Lower petal twice larger than the others. Cap- sule nearly I' in length. Apr. May. Order XVIII. DEOSERACE^.— Sunbews. Plants herbaceous, delicate, often covered with glands. Lvs. alternate, with stipulary fringes, circinate in vernation. Fed. when young, circinate. Sep. 5. persistent, eiiual, imbricate in aostivation. Cor.— Petals 5, hypogynous, marescent. Sta. distinct, marescent usually equal in number to the petiils. Ova. single. Sty. 3—5, either wholly ili.«tiiict or slightly united, bifid or branched. Ft. a capsule, i— 3-celled, usually many-seeded. Sds. sometimes ariled. Genera 7, species 90, scattered over the whole globe, wherever marshes are found. Their leaves aro usually furnished with glandular hairs, and are entire, alternate or crowded. Attached to this order is the genus Pamassia, regarded by some as lorming a separate order. It is variously located by dift'erent botanists. We follow Torrey and Gray, after I)e Candolle. in placing it here. Some peculiarity exists in the arrangement and structure of the stamens in this genus, which will be mentioned farther on. No remarkable properties have been discovered belonging to plants of this order. Conspectus of the Genera. <.■) in number. Styles 3— 5 Drosera. I < hypogynous, all perfect and J 10 — 15 in number. Style 1 Dionaa. 2 Stamens (perigynous, inner row 5 perfect ones, outer row 5 groups of imperfect ones. . Parnassia. 3 1. DROSfiRA. Gr. Spoaos, dew ; from the dew-like secretion. Sepals 5, united at base, persistent ; petals 5 ; stamens 5, with ad- nate anthers ; styles 3 — 5, each 2-parted ; capsule 3 — 5-valved, 1- celled, many-seeded. — Small aquatic kerbs. 1. D. ROTUNDiFOLiA. Round-lcared Sundew. L/ts. radical, nearly round, depressed ; petioles hairy ; scapes erect, bear- ing a simple raceme. — 7^. This curious little plant is not uncommon in bogs and muddy shores of ponds and rivers. It is at once distinguished by the red- dish glandular hairs with which tlie leaves are beset, and which are usually tipped with a small drop of a clammy fluid, appearing like dew glistening in the sun. Leaves small, lying flat on the ground, narrowed into the elongated petiole. Scape 5 — 8' high, at first coiled inward. Flowers arranged on one side, very small, white. Aug. 2. LONGiFOLiA. Long-lcavcd Sundew. lyvs. radical, spatulate and obovate, tapering at base into a long, smooth petiole ; scape bearing a simple raceme. — % A more slender and delicate spe- cies, in similar situations with the last. Leaves slender, ascending, cimeiform, oblong, crcnatc, beset with numerous hairs tipped with dew-like drops, — length including the petiole 1 — 3'. Scape ascending at base, bearing a cluster of small, yellowish-white flowers, and arising 3--8'. Jn. — Aug. 3. D. riLiFORMis. Thread-leaved Sundew. lyvs. filiform, ver}'' long ; .scape nearly simple, longer than the leaves, many-flowered; pet. obovate, cro.sely denticulate, longer than the glandular calyx ; stij. 2-parted to the base. — 7|. Grows in wet sandy places, much larger than the preceding species. The leaves are destitute of a lamina, are suberect, nearly as long as the scape, beset with glandular hairs except near the base. Scape about a foot high, with large, purple flowers. Aug. Sept. 4. D. LINEARIS. Goldie. Lincar-Uaved Sundew. Lvs. linear, obtuse; petioles elongated, naked, erect; scapes few-flowered, about the length of the leaves; cat. glabrous, much shorter than the oval cap- sule ; sds. oval, shining, smooth. — (T) Borders of lakes, Can., Mich, to the Rocky Mts. Hooker. T. (^ G. Scape 3 — & high, with about 3 small flowers. Leaves about 2" wide, clothed with glandular hairs, which are wanting on the petiole. Jl. Aug. IG 180 XIX. CISTACE^. Lechea. 2. DION^A. Ellis. Dioneea is one of the names of Venus. Sepals 5, ovate, oWong, spreading ; petals 5, obovate, with pellucid veins; stamens 10 — 15; style 1 ; stigmas 5, connivent, many-cleft; capsules indehiscent, breaking irregularly, 1 -celled, many-seeded. — % glabrous. Lvs. radical, sensitive, dosirig convulsively when touched. Scape umbellate. D. MusciPULA. Ell. Venus' Fly-trap. — Native of the Southern States. Some- times cultivated in a pot of bog earth placed in a pan of water. Leaves rosu- late, lamina roundish, spinulose on the margins and upper surface, instantly closing upon insects and other objects which light upon it. (See Part 1. § 248.) Scape 6 — 12' high, with an umbel of 8 — 10 white flowers. Apr. May. f 3. PARNASSIA. Tourn. Named for Mount Parnassus, the abode of the Muses, Graces, &c. Sepals 5, united at base, persistent; petals 5, persistent, nearly perigynous ; stamens perigynous, in 2 series, the outer indefinite in number, united in 5 groups, sterile, the inner 5 perfect ; capsule 1- celled. 4-valved ; seeds very numerous, with a winged testa. — '^1- herbs toith radical lvs. a7id \-fiowered scapes. 1. P. Caroliniana. Grass of Parnassus. Sterile filaments in 5 clusters, 3 in each, distinct to near the base, sur- mounted with little .spherical heads ; pet. much exceeding the calyx, marked with green veins ; lvs. radical or sessile on the scape, broad-oval, with no sinus at the base. — An exceedingly elegant and interesting plant, growing in wet meadows and borders of streams, U. S. to Can. Root fibrous. Leaves about 7-veined, broad-oval or ovate, smooth, leathery, radical ones long-stalked, cau- line ones sessile, clasping, a few inches above the root. Scapes about If high, with a handsome regular flower about 1' diam. Jl. Aug. 2. P. PAHJSTRIS. L/vs. all cordate, the cauline one (if any) sessile ; scales (bimdles of sterile stamens) smooth, with numerous slender, pellucid setee. — Bogs and lake shores, Mich, to Lab. and W. to the Rocky Mts. Scapes about 6' high, naked or with a single clasping leaf near the base. Flowers white. Sepals oblong-lanceo- late. Petals marked with 3 — 5 green or purple veins. Each scale is distin- guished by 10 — 15 whitish h?ar-like bristles. Order XIX. CISTACE^.— Rock Roses. Plants herbaceous or shrubby. Branches often viscid. Lvs. entire, opposite or alternate, usually feather-veined. Fls. white, yellow, or red, very fugacious, in one-sided racemes. Cal. — Sepals 5, unequal, the 3 inner with a twisted aestivation. Cor.— Petals 5, hypogynous, crumpled in aestivation. Sta. indefinite, hypogynous, distinct. Anth. innate. Ova. distinct, or many-celled. Sty. single. Btig. simple. [ceeding from the middle of the valves. Fr. capsular, either l-celled with parietal placentae, or imperfectly 3— 5-celled, with dissepiments pro- Genera 7, species 185, found most abundant in the north of Africa or south of Europe. They possess no interest on account of their properties. Conspectus of the Genera. <, large and showy, or wanting Helianthemum. 2 Petals 5, \ minute. Delicate shrubs Hudsonia. 3 Petals 3, linear-lanceolate Lechea. l 1. LECHEA. In memory of John Leche, a Swedish botanist. Sepals 5, the 2 outer minute ; petals 3, lanceolate, small ; stamens 3 — 12; stigmas 3, scarcely distinct; capsule 3-celled, 3 -valve d ; pla- centse nearly as broad as the valves, roundish, each 1 — 2-seeded — % Snffruticose, branchivg plants. Stipules 0. HuDsoMA. XIX. ClSTACEiE. 181 1. L.MAJOR. Michx. (L. villosa. £7//. L.. minor. Linn.) Larger Pinweed. Erect, hairy; branches villous, radical ones prostrate; caulineh's. ellipti- cal, mucronate, those of the radical branches roundish, minu.te; _//.«. small, nu- merous, in fasciculate racemes, somewhat 1-sidcd. — In dry woods, U. S. and Can. Stem 1 — 21' high, rigid, brittle, hairy, purple, paniculately branched. Leaves of the stem about 1' long, alternate, opposite, or even verticillale on the prostrate branches, crowded. Flowers brownish-purple, inconspicuous. Capsule roundish, about the size of a large pin-head. Jl. Aug. 2. L. MINOR. Lam. Smaller Pimvccd. Erect, smoothish, branched; In;, linear-lanceolate, acute; panicle leafy, its branches elongated ; fls. in nearly simple racemes ; caps, rather large.— Grows in dr}', sandy grounds, U. S. and Can. Stem 8 — 12' high, often decumbent at base. Stem leaves, 6 — 10" by 2 — 3", alternate, sparingly ciliate and revolute at the margin, those of the long slender branches minute. Flowers nearly twice as large as in L. major. Petals brownish purple, cohering at apex. Cap- sule also rather larger than in L. major. Jn. — Sept. 3. L. THYMiFOLiA. Ph. Tlujnie-lcavcd Pinvecd. Frutescent; sis. decumbent at base, hoary with appresscd hairs, very branching and leafy; root Irs. on the short radical branches, imbricate, ellipti- cal, very small ; canliiie Ivs. linear or oblanceolate, often whorled. Sea-coasts, Mass. ! to N. J. Stem about If high, rigid and very bushy. Upper leaves about 1' long, erect and crowded. Flowers in terminal and axillary clusters, on very short pedicels. Petals brown. Capsules globose. Jl. — Sep. 2. HELIANTHEMUM. Gr. I'/Xtoj, the sun, ai/Soj, a flower. Sepals 5, the 2 outer smaller ; petals 5, or rarely 3, sometimes abortive ; stamens 00 ; stigmas 3, scarcely distinct ; capsule triangu- lar, 3-valved, opening at top ; seeds angular. — Fls. yelloio. l.H. Canadexse. Michx. (Cistus Canad. Willd.) Frost Plant. Rock Rose. St. ascending ; branches erect, pubescent ; Ivs. alternate, without stipules, lanceolate, acute, hairy; petaUfcronsfis. few, large, terminal, «j«to/o«.s ones late- ral, solitary or racemose.— In 'dry fields and woods, Can. to Flor. Stem about If high, at length shrubby at base. Leaves &— 12" long, i as wide, entire, sub- sessile. Flowers with large bright vellow petals, in a terminal corymb. The axillary flowers later, very small, with very small petals, or apetalous. Sta- mens declinate. Capsule" smooth, shining, those of the apet. fls. not larger than a pin's head. Seeds few, brown. Jn. — Sep. 2. H. coRYMBosuM. Michx. (Heteromeris cymosa. Spach.) St. branching, canescent, erect ; lis. lance-oblohg, canescently tomentose beneath ; Jls. in crowded, fastigiate cymes, the primary ones on elongated, filiform pedicels, and with petals twice longer than the calyx ; sep. villous-canescent, outer ones linear, obtuse, inner ovate, acute. — Sterile sands, N. J. to Ga. Plant somewhat shrubby, very tomentose when young, at length difiusely branched, about If high. Primary flowers about 1' diam. Secondary ones small, apeta- lous. Jn. — Aug. 3. HUDSONIA. ' In honor of Wm. Hudson, author of " Flora Anslica." Sepals 3, united at base, subtended by 2 minute ones at dase ; pe- tals 5 ; Stamens 9—30 ; style filiform, straight ; capsule 1-celled, 3- valved, many-seeded. — Low shrubs with very numerous branches^ and minute exstipulate Ivs. 1. H. TOMENTosA. Nutt. Dffwnv Hudsonia. Hoary-tomentose ; Ivs. ovate, imbricate, acute, shorter tlian the intervals of the stem ; fls. subsessile ; pe'- obtuse.— Shores of the ocean and lakes, N. J. to N H ' and Wise, &c. Plant consisting of numerous slender, ascendmg 183 XX. HYPERlCACEJi. Hypericum. stems from the same root, and a multitude of tufted branches, all covered with whitish down. Leaves about 1 — 2" in length, closely appressed to the stem. Flower small, yellow, on pedicels not longer than the leaves. May. 2. H. ERicoiDES. Hcath-Uke Hudsonia. Hoary-pubescent; Ivs. acerose-subulate ; ped. longer than the leaves, fili- form, hairy ; sep. acutish. — A very delicate shrub, found in pine barrens, Mass. to Va. Stem Jf high, erect, with numerous short, compound, procumbent branches. Leaves needle-like, scattered, 2 — 4" long. Flowers yellow, shorter than the peduncles. Capsule oblong, pubescent. May. Order XX. HYPERICACEiE.— St. John's-worts. Herbs, shrubs or frees, ■with a resinous juice, and often with angular branches. Lvs. opposite, entire, mostly punctate with pellucid dots, and black glands. Slip. 0. Fls. perfect, mostly yellow, with cymose inflorescence. CaZ.— Sepals 4—5, distinct or cohering, persistent, unequal, dotted. Cor.— Petals 4—5, hypogynous, aestivation twisted, veins oblique, dotted. Sta. hypogynous, indetinite, in 3 or more parcels. Anthers versatile. Ova. single, superior. Style slender. Stigma simple. Fr. a capsule or berry, many-celled. Seeds indefinite, minute. Genera 13, species 276, very generally distributed, presenting a very great variety in habit, and flourish- ing in all kinds of localities. The juice of many species is considered purgative and febrifugal. ConspecPus of the Genera. io Hypericum. 2. 55. Hypogynousglands (3 Elodea. 3. Petals and sepals { 4. Hypogynous glands 0 Ascyrum. 1. I. ASCYRUM. Gr. a, privative, cKvpog, roughness; i. e., a smooth plant. Sepals 4, the 2 outer usually larger ; petals 4 ; filaments slightly united at base into several parcels ; styles 2 — 4, mostly distinct ; cap- sule 1 -celled. — Plants suffruticose. Lvs. punctate with black dots. Fls. yellow.) 1 — 3, terminal on each branch. Pedicels bibradeolate. 1. A. Crux-Andrea. (A. multicaule, Michx.) St-. Peter^s-wort. St. much branched at base ; branches suberect, ancipital above ; lvs. obo- vate or linear-oblong, obtuse ; inner sep. minute, roundish ; pet. linear-oblong ; sty. 1 — 2. — Sandy woods, N. J. to La. Stem about If high, thickly clothed with leaves which are i — \\' long, of very variable width. Flowers pale-yel- low, on very short pedicels, with 2 bracteoles close to the calyx. Petals ex- ceeding the sepals and stamens. July. 2. A. STANS. Michx. (A. hypericoides. Linn.) St. straight, erect, ancipital or winged, branched above ; lvs. oblong, ob- tuse, sessile ; o^der sep. cordate, orbicular, longer than the 2 lanceolate, interior ones; sty. 3. — Swamps in pine barrens, N.J. to La. Stem 1 — 2f high. Leaves 1 — ij' long, J as wide, somewhat glaucous. Flowers usually 3 together, much larger than in the preceding. Yellow. Jl. Aug. 2. HYPERICUM. Sepals 5, connected at base, subequal, leaf-like ; petals 5, oblique ; Stamens 00 (sometimes few) united at base into 3 — 5 parcels, with no glands between them ; styles 3 — 5, distinct or united at base, per- sistent.— Herbaceous or shrubby plants. Lvs. punctate.^ with pellucid dots., opposite., entire. Fls. solitary, or in cymose panicles., yellow. * Stamens 20 — 100, polyadelphous. Herbs. 1. H. PYRAMiDATUM. Ait. (H. ascyroidcs. Willd.) Giant Hypericum. St. branching, somewhat quadrangular; lis. sessile, oblong-ovate, acute, smooth; sty. as long as the stamens. — % A large flowering species, found on dry hills, also on river banks, Ohio and Penn. to Car. Stem 3 — 5f high, scarce- ly angular, smooth, rigid, herbaceous. Branches corymbose and erect, or late- Hyplriclm. XX. HYPERICACEiE. 183 ral, axillary, opposite. Leaves acute, not acuminate, those of the stem 2i — ^ long, i as wide, of the branches about half these dimensions. Flowers IJ' diam. Petals obovate, i — i' wide. Stamens capillarj', 100 or more. Capsules 1' long, ovoid-conical, tipped with the 5 styles. Seeds 00. Jl. Aug. 2. H. PERFORATUM. Common St. John's-wort. St. 2-edged, branched; Ivs. elliptical, with pellucid dots; sep. lanceolate, half as long as the petals. — % A hardy plant, prevailing in pastures and dry soils. Can. and U. S., much to the annoyance of farmers. Stem 1 — 21 high, brachiate, erect, round, with 2 opposite, elevated lines extending between the nodes. Leaves 6 — 10" long, J as wide, ramial ones much smaller, all obtuse, the dots as well as veins best seen by transmitted light. Flowers numerous, deep yellow, in terminal panicles. Petals and sepals bordered with fine dark color- ed glands. Jn. Jl. ^ 3. H. CORYMBOSUM. Muhl. (H. punctatum. Beck.) Spotted St. John's. St. erect, round, smooth, branching ; lis. clasping, oblong-oval, obtuse, covered with black dots; cijmcs terminal, brachiate, dense-flowered, corymbose; sep. ovate, acute. — % In wet meadows and damp woods, N. Eng. to Ark. Stem IJ — 2f high. Leaves 1 — 2' long, nearly J as wide, with pellucid punctures be- sides the black dots. Flowers small, numerous, pale-yellow, petals nearly 3 times as long as the sepals, with oblong black dots. Stigmas orange-red, on distinct styles. Jn. Jl. 4. H. ANGULOSUM. MicJlX. St. simple below, cor)'mbosely branched above, sharply 4-angled ; Ivs. somewhat ovate, closely sessile, scarcely punctate ; cymes leafless, compound ; jls. alternate, solitary on the ultimate branches ; sep. lanceolate, acute, half as long as the petals. — %. Cedar swamps, N. J. to Flor. Stem nearly 2f high. Leaves nearly 1' long, J- as wide, rather distant. Petals obovate, brownish-red, with a single lateral tooth near the apex. Ju. — Aug. 5. H. ELLiPTicuM. Hook. (H sphaerocarpon. Bart.) St. quadrangular, simple, cymose at summit ; Ivs. elliptical, obtuse, some- what clasping, pellucid-punctate; cy??ie pedunculate ; .se;>. unequal; 5^y. united at base. — % Low grounds, Oxbridge, Ms., Rickard! R. I. Olney, to N. Y. and Penn. Stem 8 — 16' high, slender, colored at base. Leaves 8 — 13" by 2 — 4", somewhat erect, about as long as the internodes. Cymes of about a dozen flowers, generally 1 — 2' above the highest pair of leaves. Central flowers sub- sessile. Petals acutish, orange-yellow, 2 — 3" long ; sepals shorter. Stigmas minute. July. * * Stamens 20 — 100, polyadelplums. Shrubs. 6. H. Kalmian'cm. Kalm's St. John's-icort. St. corymbosely branched ; branches somewhat 4-sided, two of the angles slightly winged ; Ivs. linear-lanceolate, very numerous, obtuse, attenuate at base ; cymes 3 — 7-flowered, fastigiate ; sep. half as long as petals. — Rocks below Niagara Falls ! &c. A shrubby species a foot or more in height. Leaves an inch in length, slightly revolute on the margin, 1-veined, minutely and thickly punctate, sessile. Branches slender and delicate. Flowers yellow. Stamens very numerous. Aug. 7. H. PROLIFICUM. Branching; branches ancipital, smooth; Ivs. oblong-lanceolate, obtuse, narrowed at base, crenulately waved at edge ; cymes compound, leafy ; sep. un- equal, leafy, ovate, cuspidate; pet. obovate, a little larger than sepals; sty. at length distinct. — A highlv ornamental shrub, 2 — 4f high, prairies and creek shores, Mid. and West. States ! Leaves 2 — 2h' long, 4 — 6" wide. Flowers }' diam.. orange-yellow, in an elongated inflorescence. Stamens 00. Jl. Aug. f /?. T. & G. ' Lvs. much smaller; capsule attenuate at summit. 8. H. ADPREssuM. Barton. St. shrubby at base, 2-winged above ; lvs. oblong-linear, sessile, with pellucid pimctures ; Jls. 1.5 — 20, in "a leafless cyme ; sep. unequal, half as long as the oblong-obovate petals ; sly. united ; cojis. 3-celled. — Swamps, R. L ! Pa. 16* 184 XX. HYPERICACEiE. Elodea. to Ark. About 2f high. Leaves 1—2' by 2—4", often somewhat lance-shaped. Flowers about 6" diam., with very numerous stamens. Aug. Sept. 9. H. AUREUM. Bertram. (H. amcEnum. Ph.) Golden Hypericum. Branches spreading, ancipital ; Ivs. oblong, obtuse, attenuate at base, glaucous beneath ; fls. few together, subsessile ; pet. coriaceous, reflexed ; sty. 3, connate, persistent on the ovoid-conic capsule. — A beautiful shrub, 2 — 4f high, native of S. Car. and Ga. Flowers large, orange-yellow. Stamens 100 or more. Capsule red. Jn. — Aug. 10. H. NCDiFLORUM. Michx. St. shrubby at base ; branches winged ; Ivs. ovate-oblong, sessile, obtuse ; cymes leafless, pedunculate; central fis. shortly pedicellate ; pet. obovate, longer than the linear sepals ; sty. united. — Wet grounds, Penn. to La. Plant 1 — 2f high, with numerous 4-sided branches. Leaves thin, about 2' long, with minute reddish dots. Flowers small and rather loose in the cyme. Aug. f * * * Stamens 5 — 20, distinct. 11. H. MUTiLUM. (H. quinquenervium. Walt.) Small St. John's-wort. St. erect, usually much branched, often subsimple, quadrangular ; Ivs. obtuse, ovate-oblong, clasping, 5- veined, minutely punctate ; cymes leafy ; pet. shorter than the sepals ; sta 6— 12.— (J) Damp, sandy soils. Can. to Ga. W. to la ! Stem 3—6 — 9' high. Leaves closely sessile, apparently connate, 4 — 8" by 2 — 5", outer veins obscure. Flowers minute. Jl. Aug. 12. H. Canadense. Canadian St. John's-wart. St. quadrangular, branched ; Ivs. linear, attenuated to the base, with pel- lucid and also with black dots, rather obtuse ; sep. lanceolate, acute, longer than the petals ; sta. 5—10.—® Wet, sandy soils. Can. to Ga. Stem 8—15' high, slightly 4-winged. Lower branches opposite, upper pair forked. Leaves about 1' by 1 — 2", sometimes linear-lanceolate, radical ones obovate, short. Flowers small, orange-colored. Ovary longer than the styles. Capsule red, longer than the sepals. Jl. Aug. 13. H. SAROTHRA. Michx. (Sarothra gentianoides. Linn.) St. and branches filiform, quadrangular ; Ivs. very minute, subulate ; fls. sessile. — Dry fields and roadsides, U. S. and Can. Stem 4 — 8' high, branched above into numerous, very slender, upright, parallel branches, apparently leaf- less, from the minuteness ot the leaves. Flowers very small, yellow, succeeded by a conical, brown capsule which is twice the length of the sep. Jl. Aug. 14. H. Drqmmondii. Torr. & Gray. (Sarothra. Grev. ;. few, in small, dense, dichotomous cymes, the central ones sessile ; pet. (or setfe) alter- nate with the fertile filaments ; sep. linear, with a minute cu.sp. — Prairies, Mason Co., 111. Mead. R. Mts. James. Nutt. Stems about Jf long. Flowers small. 2. P. DICHOTOMA. Nutt. (Achyranthes. Linn.) Caespito-se, densely branching ; lvs. acerose-mucronate, glabrous, 2-grooved. each side ; cymes compound, diffuse, without central fls. ; setce much shorter than the stamens.— Rocks, Harper's Ferry. Stems 6—12' high. Leaves 1' by i", crowded. Style bifid i its length. Jl. — Nov. 3. SPERGTJLA. Lat. spergo, to scatter; from the dispersion of the seeds. Sepals 5, nearly distinct; petals 5, entire ; stamens 5 — 10 ; styles 3 — 5 ; capsules superior, ovate, 3 — 5-valved, many-seeded. — ® Herbs with flowers in loose cymes. Lvs. stipulate. 186 XXIII. CARYOPHYLLACEvE. 1. S. ARVENSis. Corn Spurnj. Lis. verticillate, linear-subulate ; sta. 10 ; sti/. 5 ; ped. reflexed in fruit ; sds. reniform, angular, rough.— A common weed in"cultivated grounds, Can. to Ga. Root small. Stem round, branched, with swelling joints, beset with copious whorled leaves, somewhat downy and viscid. Two minute stipules under each whorl. Cyme forked, the terminal (central) peduncles bending down as the truit ripens. Petals white, longer than the calyx, capsule twice as long. Seeds many, with a membranous margin. May — Aug. ^ 2. S. RUBRA. T. & G. (Arenaria rubra. Linn.) St. decumbent, much branched; Ivs. linear, slightly mucronate ; stipules ovate, membranous, cleft; sep. lanceolate, with scarious margins; pet. red or rose-color ; sty. 3 ; sds. compressed, angular, roughish.— A common and varia- ble species, found in sandy fields ! Can. to Flor. &c. Stems a few inches in length, slender, smooth, .spreading on the ground, with small, narrow leaves and dry, sheathing stipules. Flowers small, on hairy stalks. May — Oct. Order XXIII. CARYOPHYLLACE^.— Cloveworts. Htrbs, with the stems swelling at the nodes. Lvs. opposite, entire, destitute of stipules. Fls. regular. C'a^— Sepals 4—5, distinct, or cohering in a tnlie, persistent. Cor.— Petals 4—5, (sometimes none) either unguiculate and inserted upon the pedicel of the ovary, or without claws and inserted on the outside of a fleshy disk. Sta. twice as many as the petals, rarely equal or few ; anthers introrse. Ova. often stipitate. Styles stigmatose the whole length of their inner siu^ce. Fr. a l-celled capsule or imperfectly 2— 5-celled, opening at the apex by twice as many teeth as there are stigmas. Seeds numerous. Genera 53, species 1055. Elevenof the genera are North American, the remainder are found in the teipperate and Irigid climates of the E.astem Continent. Properties unimportant. The order is noticeable chiefly for the beauty of a few of the cultivated species. FIG. 41.— 1. Lychnis diuma. 2. Vertical section, exposing the 5 styles, the placenta and seeds of the Icelled capsule. 3. A petal, with its long claw, its bifid lamina, and its 2-tootljed crown. 4. Cross sec- tion of the flower, showing the arrangement of its parts. 5. Arenaria stricta, showing the spreading cyme. 6. A flower enlarged— calyx not tubular. Conspectus of the Genera. I partly united Adenarktm. ( entire. I Sepals entirely distinct Arenaria. i Petals 5, ( bifid SteUaria. ( Styles 3. ; Petals 0 MoUugo. fnot < Styles 4. Petals 4—5 or 0, entire Sagina. I tubular. ( Styles 5. Petals 5, bifid Cfrrastium. {( Calyx calyculate with 2—4 scales at base Dianthus. ( Styles 2. \ Calyx without scales at the base. Saponaria. . u , ) §'''^» 3 Silene. tubular. ( Styles 5 Lychnis. Cerastium. XXIII. CARYOPHYLLACE^. 187 Tribe 1.— ALSINE.E. Sepak distinct or nearly so. Petals int/iont claws inserted on the outside of the disk. Stamens inserted on the margin of the disk. 1. STELLARIA. Lat. Stella, a star:— from the stellate or star like flowers. Sepals 5, connected at base ; petals 5. 2-parted ; stamens 10, rarely fewer; styles 3, sometimes 4; capsule superior, 1 -celled, 3-valved, many-seeded. — S?naU grass-like herbs, in moist., shady places. Fls. in forked cyvies. 1. S. mf;di.\. Smith. (Alsine. L,in?i.) Chickweed. Lvs. ovate ; st. procumbent, -with an alternate, lateral, hairy line ; sta. 3 — 5 or 10. — A common weed in almost every situation N. of Mex., flowering from the beg^inning ol spring to the end of autumn. Stems prostrate, branched, brittle, round, jointed, leaty, and remarkably distinguished by the hairy ridge extending from joint to joint, in an alternate manner. Flowers small, while. The seetls are eaten by poultry and the birds. ^ 2. S. LONGiFOLiA. Muhl. (S. gramiuca. Bw.) Lvs. linear, entire; cyme terminal, spreading, with lanceolate, scarious bracts; cnl. 3-veined, about equal to the petals. — U. S., N. to Arc. Circ. The stems are of considerable length, very slender and brittle, supported on other plants and bushes. Leaves alternate at base. Flowers in a divaricate, naked cyme, very elegant, white, appearing in 10 segments like the other species. Three acute, green veins singularly distinguish the sepals. Jn. Jl. 3. S. puBi^:RA. Michx. St. decumbent, pubescent in one lateral or two opposite lines; lvs. ob- long-oval, acute, sessile, somewhat ciliate ; f$. on short, filiform, recurved pedi- cels.— '1\ In rocky places, Penn. and Ky. to Ga. Stem 6 — 12' long, often dif- fusely spreading. Leaves 1 — 2j' by 4 — 10", with minute, scattered hairs. Flowers ^ diam., axillary and terminal, large, with 10 stamens and 3 styles. Apr. — Jn. 4. S. LONGiPEs. Goldie. (S. palustris. Rich. Micropetalon. Pers.) Smooth and .shining; st. more or less decumbent, with ascending branches; lvs. linear-lanceolate, broadest at base, acute; peduncks and pedicels filitbrm, cymose, with ovate, membranous bracts at base; .sf^. with membran- ous margins, obscurely 3-veined, scarcely shorter than the petals. — 1|. Lake shores, N. Y. ! and Mich. Petals white, 2-parted. Flowers in loose cymes, the terminal peduncle, or the middle one, the longest. Jn. — Aug. 5. S. BOREALis. Bigelow. (S. lanceolata. Torr. Micropetalon. Pers.) )S^ weak, smooth; lvs. veinless, broad-lanceolate, acute; pcd. at length axillary, elongated, 1-flowered ; pet. 2-parted (sometimes wanting), about equal to the veinless sepals. — (J) "Wet places. N. H., N. Y., N. to Artie Am. A spread- ing flaccid plant. Stem 6 — 12 — 15' long, with diffuse cymes both terminal and axillary. Leaves 8 — 15" long, 1-veined. Petals when present white, small, at length about as long as the lanceolate, acute sepals. Capsules longer than the calyx. Jn. Jl. 6. S. AQUATiCA. Pollich. (S. borealis. Dnrl.) Nearly glabrous; 5/. slender, decumbent; lvs. oblong, acute, with mani- fest veinlets; scp. lanceolate, very acute, 3-veined, rather longer than the bifid petals ; caps, ovoid, about equaling the calyx ; sty. 3.— 1|. Swampy springs, Penn. Dr. Darlington. Md. Dr. Robbiiis. Also Rocky Mts. A very slender plant, 6—12' long, with incon.spicuous flowers. Leaves 6" by 2—3". May. 2. CERASTIUM. Linn. Gr. /ftpaj, a horn ; from the resemblance of the capsules of some of the species. Calyx of 5, ovate, acute sepals ; corolla of 5 bifid petals ; stamens 189 XXm. CARYOPHYLLACEJi. Arenaria. 10, sometimes 5 or 4, the alternate ones shorter; styles 5; capsule superior, cylindrical or roundish, 10-toothed; seeds numerous. * Petals scarcely longer than tlie calyx. 1. C. VDLGATUM. Mausc-ear CMckweed. Hairy, pale green, csespitose; Ivs. attenuated at the base, ovate, or obo- vate-obtuse ; fls. in subcapitate clusters ; sep. when young, longer than the pedi- cels.— (1) Fields and waste grounds, Can. and U. S., flowering all summer. Stems 6 — 13' long, ascending, mostly forked. Leaves 5 — 8" by 3 — 5", mostly very obtuse, lower ones tapering to the base. Flowers in dense, terminal clus- ters, the terminal (central) one solitary, always the oldest. Sepals mostly green, a little shorter than the corolla. Petals white, appearing in 10 segments. 2. C. viscosuM. (and C. semidecandrum. Linn.') Sticky CMckweed. Hairy, viscid, spreading ; Ivs. oblong-lanceolate, rather acute ; fls. in loose cymes; sep. scarious and white on the margin and apex, shorter than the pedicels. — % Fields and waste grounds, U. S. and Can. Plant more deeply green than the last. Stems many, assurgent, dichotomously-cymose. Leaves 5 — 9" long, i — I as wide, radical ones subspatulate. Flowers white, in diffuse cymes. Petals hardly as long as the sepals, obovate, bifid. Jn. — Aug. p. semidecandriim. T. & G. Stamens 5. — Mass; to la. ! ** Petals much longer than the calyx. 3. C. ARVENSE. (C. tenuifolium. Ph.) Field Chickweed. Pubescent, somewhat caspitose ; Us. linear-lanceolate, acute, often longer than the internodes ; cyme on a long, terminal peduncle, few flowered ; pet. more than twice longer than the calyx ; cap. scarcely exceeding the sepals. — Rocky hills. Stems 4 — 10' high, decumbent at base. Leaves 9 — 15" long, 1 — 2" wide. Flowers white, rather large. Capsule usually a little longer than the calyx. May — Aug. 4. C. OBLONGiFOLiHM. ToH'. (C. villosum. Muhl.) Villose, viscid above; st. erect or declined; Ivs. oblong-lanceolate, most- ly obtuse, and shorter than the internodes ; fls. mmierous, in a spreading cyme ; pet. twice as long as the sepals ; cap. about twice as long as the calyx. — % Rocky places. Stems 6 — 10' high, thick. Leaves 9 — 12" by 3 — 5", tapering from base to an acute or obtuse apex. Flowers larger than either of the fore- going, white, in two or three-forked cymes. Apr. — Jn. 5. C. NUTANS. Raf. Viscid and pubescent ; st. weak, striate-sulcate, erect ; Ivs. lanceolate, narrow, shorter than the internodes ; fls. many, diffusely cymose, on long, filiform, nodding pedicels ; pet. nearly twice as long as the calyx. — ® Low grounds, Vt. to 111. ! and La. Pale green and very clammy. Stems 8 — 15' high, branched from the base. Leaves 1 — 2' long, \ as wide. Flowers white. Cap- sules a little curved, nearly thrice longer than the calyx. May. 3. ARENARIA. Lat. arena, sand ; in which most species grow. Sepals 5, spreading; petals 5, entire ; stamens 10, rarely fewer ; styles 3 ; capsule 3-valved, 1 -celled, many-seeded. — Fls. terminal. Sty. rarely 2 or 4. 1. A. saARRosA. Michx. Coespitose ; st. few-flowered ; lower Ivs. squarrose-imbricate, crowded, vpper ones lew, all subulate, channeled, smooth ; pet. obovate, three times longer than the obtuse, veinless sepals. — %. In sandy barrens, N. Y. Rabbins, to Ga. Stems 6 — 10' high, pubescent, much divided at base into simple branches. Leaves about J' long, obtuse, sessile. Flowers white, in small terminal cymes. Sepals green. Capsules obtuse. Apr. — Sept. 2. A. STRicTA. Michx. Straight Sandwoi't. Glabrous, diffuse ; st. branched from the base ; Ivs. subulate-linear, erect ; pet. much longer than the calyx; seji. ovate-lanceolate, acute, 3-veined; cymes Sahin-*. XX hi. CARYOPflVLLACEiE. 189 l'ew-fli)\vc"red, with spreading branches. — 1\. Sterile grounds, Arc. Am. to Car. Stem 8 — 10' high. Leaves 5 — 8" long, very narrow and acute, rigid, sessile, 1-veined, much lasicled in the axils. Petals obovate-oblong, twice as long as the sepals, white. May, Jn. 3. A. Greenlandica. Spreng. (A. Glabra. Bia.) Greenland Sandwort. Glabrous; sts. numerous, low, filiform, suberect ; Ivs. linear-subulate, flat, spreading; pedicels l-flo\vered, elongated, divaricate; sep. veinless, ovate, obtuse, membrane-margined, much shorter than the petals. — %. Summits of high mountains, N. H ! N. Y., N. to Greenland. It grows in tufted masses, con- sisting of exceedingly numerous stems about 3' high, and sprinkled over with large (8" diam.) white flowers with yellow stamens. Aug. 4. A. SERPYI.LIFOLIA. Tki/mc-kaved Sandtrort. St. dichotomous, spreading; Ivs. ovate, acute, subciliate; cal. acute, sub- striate ; pet. shorter than the calyx ; caps, ovate, 6-toothed. — ® By roadsides, and in sandy fields, Ms. to Ga. Stems numerous, downy, with reflexed hairs, a few inches in length. Leaves '2 — 3" long, J as wide. Flowers on axillary and terminal peduncles. Petals white, oval, mostly much shorter than the 3— 5-veined, acuminate, hairy sepals. Jn, 5. A. LATERIFLORA. S Ldc-Jlowering Sandwort. Erect., slightly pubescent ; Ivs. oval, obtuse ; ped. lateral, 2 — 3-flowered. — %. A slender, upright species, found in damp, shady grounds, N. States, and Brit. Am. Stem 6—10' high, nearly simple. Leaves elliptical, rounded at each end, 6 — 10" long, J as wide, on very short petioles. Peduncles terminal and lateral, 2 — 3' long, dividing into 2 or more filiform pedicels, one of them with 2 bracteoles in the middle. Flowers 4" diam., white. Petals more than twice as long as sepals. Jn. 3. ADENARIUM. Raf. Sepals 5, united at ba.se ; petals 5, unguiculate, entire ; stamens 10, inserted into a glandular disk ; styles 3 — 5 ; capsule 3 — 5-valved, many-seeded. — (D Herbs of the sea-coast^ tcithfieshy leaves. A. PEPLoiDES. DC. (Arenaria. Linn. Honckenya. E/trA. and \st. edit.) Sea Chickweed.— Very fleshy; 5/. creeping, with erect, subsimple branches ; Ivs. ovate, obtuse, veinless, exceeding the petals. — Abundant on the Atlantic coa.st ! N.J. to Lab. Upright stems a foot high. Leaves 5 — 7 — lO" long, J as wide, abruptly pointed, clasping at base, shorter than the internodes. Flowers .small, white, axillary, on short pedicels. Jl. 5. SAGlNA. Lat. sagina, any kind of food or nourishment, Sepals 4 — 5, united at base ; petals entire, 4 or 5, or 0 ; stamens 4 — 10 ; styles 4 — 5 ; capsule 4 — S-valved, many-seeded. — Fls. solitary. 1. S. PROCUMBEXs. Creeping Pcarhcort. St. procumbent ; glabrous ; pet. very short ; sta., sep. and pet. 4 or 5.— f^^- half-bifid, lobes narrow, diverging ; caps, ovoid-globose. — Native of Britain, almost naturalized ! Stems about 2f high, pubescent. Leaves 1 — 3' long, elliptic-ovate, acute. Flowers light-purple, middle size. Jl. — Sep.f 6. L. coRONARiA. DC. (Agrostemma coronaria. Linn.) Mullein Pink. Rose Campion. — Villose ; sf,. dichotomous ; pcd. long, 1-flowered ; cal. campanu- late, veined. — % Native of Italy. Whole plant covered with dense wool. Stem 2f high. Flowers purple, large. Varieties are whitc-Jlowered, red-dauble-Jlow- ered, &c. f 0*s.— other species rarely found in collections are L. fulgens with scarlet flowers ; L. viscaria, with pink flowers ; L. alpina, low, with pink flowers, &c. 9. SAPONARIA. Lat. tapo, soap ; the mucilaginous jiiioe is said to make soap. Calyx tubular, 5-tootliecl, without scales ; petals 5, unguiculate ; sta- mens 10 ; styles 2 ; capsule oblong, 1-celled. Petals often crowned. 1. S. OFFICINALIS. Common Soap-wort. Lvs. lanceolote, inclining to elliptical ; Jls. in paniculate fasicles ; cal. cylindrical ; cro^vn of tlie petals linear. — % By roadsides. New Eng. to Ga. A hardy, smooth, succulent plant, with handsome, pink-like flowers. Stem 1 — 2f high. Leaves 2 — 3' long, i or more as wide, very acute. Flowers many, flesh- colored, often double. The plant has a bitter taste, with a saponaceous juice. Jl. Aug. ^ 2. S. Vaccaria. Fly-trap. Lvs. ovate-lanceolate, sessile; Jls. in paniculate cymes; cal. pyramidal, 5-angled, smooth ; brads membranaceous, acute. — 0 Gardens and cultivated grounds. Whole plant smooth, a foot or more high. Leaves broadest at base, 1 2' long, \ as wide, tapering to an acute apex. Flowers on long stalks, pale- red. Cap-sule 4-toothed. Seeds globose, black. Jl. Aug. % f 10. DIANTHUS. Gr. Aios av^oi, the flower of Jove, alluding to its preeminent beauty and fragrance. Calyx cylindrical, tubular, striate, with 2 or more pairs of opposite, imbricated scales at base ; petals 5, with long claws, limb unequally notched ; stamens 1 0 ; styles 2, tapering, with tapering, revolute stigmas; capsule cylindric, 1-cclled. 1. D. Armeria. Wild Pink. Lvs. linear-subulate, hairy ; Jls. aggregate, fascicled ; scales oj the calyx lanceolate, subulate, as long as the tube.— (J) Our only native species of the pink, found in fields and pine woods, Mass. to N. J. ! Stem erect, 1 — 2f high, branching. Leaves erect, 1 — 2' long, 1 — 3" wide at the clasping base, taper- ing to a subulate point. Flowers inodorous, in dense fascicles of 3 or more. PoRTULACA. XXIV. PURTULACACE/E. 193 Calyx and its scales i' long. Petals small, pink-colored, sprinkled with white, crenate. Aug. 2. D. BARBATua. Sweet William or Bunch Pink. — Z/i-s. lanceolate ; Jls. aggre- gate, fascicled ; scales of the calyx ovate-subulate, as long as the tube. — % An ornamental flower stilf valued as in the times of old Gerarde, " for its beauty to deck up the bosoms of the beautiful, and garlands and crowns for pleasure." Stems IJf high, thick. Leaves 3—5' by *— 1', narrowed to the clasping base. Flowers in fastigiate cymes, red or whitish, often greatly variegated. May. — Jl. f 3. D. Chinensis. China Pink.— St. branched; Ivs. linear-lanceolate; /. solitary ; scales linear, leafy, spreading, as long as the tube. — @ Native of China. An elegant .species, well characterized by its leafy, spreading scales, and its large, toothed or crenate, red petals. The foliage, like the other spe- cies, is evergreen, being as abundant and vivid in winter as in summer, f 4. D. PLUMARiLs. Single Pivk. PhcaMJit's-cyc— Glaucous; st. 3— 3-flow- ered; fls. solitary, calyx^ teeth obtuse; scales ovate, very acute; lis. linear; rough at the edge; pet. many-cleft, hairy at the throat. — ^l- Native of Europe. From this species probably originated those beautiful pinks called pheasant's eye, of which there are enumerated in Scotland no less than 300 varieties. Flowers white and purple. Jn. — Aug. f 5. D. CARYOPHYLLUs. Carnation. Bizarres, Picotees, Flakes, <^c. — Lvs. linear-subulate, channeled, glaucous ;/5. .solitary; sc«fcs very short, ovate; pet. very broad, beardless, crenate.— Stem 2— 3f high, branched. Flowers white and crimson ; petals crenate. This .species is supposed to be the parent of all the splendid varieties of the carnation. Over 400 sorts are now enumerated by florists, distinguished mostly by some peculiarity in color, which is crimson, white, red, purple, scarlet, yellow, and arranged in every possible order of stripes, dots, flakes, and angles. 6. D. suPERBUs. Superb Plnk.—Dvs. linear-subulate; Jls. fastigiate ; scales short, ovate, mucronate ; pet. pinnate. — % A singularly beautiful pink, native of Europe. Stem 2f high, branching, with many flowers. Petals white, gashed in a pinnate manner beyond the middle, and hairy at the mouth. JL— Sept. Ofts— other species of this admirable genus are occasionally cultivated, but the varieties of Nos. 4 and 5 are by far the most common. The " Mmithli/ Pink," common in house cultivation, with bright green, channeled, linear leaves, short, caespitose stems, pink-red, double flowers, appears to be a variety oi D. Carthusianorum. Order XXIV. P ORTUL AC ACE^.— Purslanes. Herbs succulent or fleshy, with entire leaves and no stipules. Ca/.— Sepiils 2, united at base. Or.— Petals 5, sometimes more or less, imbricated in oestivation. Sta. variable in number. FilavientD distinct. .Anthers versatile or mtrorse. Oca. superior I -celled. Sty. several, stigmatose along the inner surface. Fr. a py.vis, dehiscing by a lid or capsule, loculicidal, with as many valves as sUgmas. Genera 12, species 184, inhabiting dry places in every quarter of the world. They possess no remaika- ble properties. CoJispectus of the Genera. < Capsule 3-valved IfL'J"?^; ? <, 8—20. \ Pyxis dehiscing transversely >.; , ,™^' o Stamens \ 5, opposite the petals K^iayionia. .t 1. PORTULACA. Tourn. Sepals 2, the tipper portion deciduous; petals 5 (4 — 6), equal; stamens 8—20 ; styles 3— 6-cleft or parted ; pyxis subglobose, dehis- cing near the middle, many-seeded. — Low, herbaceous, fieshy. Fls. expanding only in sunshine. 1. P. OLERACEA. Purslanc. Lvs. cuneate ; p. sessile.—® A prostrate, fleshy weed, more common in our gardens than desirable. Stem thick and succulent, much branched and spreading, smooth. Leaves fleshy, sessile, rounded at the end. Flowers yellow. The herbage of the plant is of a reddish-green color. Sometimes used as a pot- herb. Jn. — Aug. § 194 XXV. ELATINACE^. 2. P. PiLOSA, ^. Scarlet-flowered Purslane. — Sts. ascending, much branched ; branches suberect, enlarged upwards ; Ivs. linear, obtuse, the axils villose with long, woolly hairs; fis. terminal, sessile, 1 or few together, surrounded by an irregular circle of leaves and dense tufts of wool; jiet. obovate ; sto. about 15. — A very delicate plant, with purple stems, and large, bright purple flowers. — P. australis, with broader leaves and scarlet fls. is also popular in house cul- tivation. The species are mostly natives of S. Africa, f '/ 2. CLAYTONIA. In memory of John Clayton, a botanist of Virginia. Sepals 2, ovate or roundish ; petals 5, emarginate or obtuse ; sta- mens 5, inserted on the claws of the petals ; stigmas 3-cleft ; capsule 3-valved, 2 — 'S-seeded. — Small., fleshy., delicate., early flowering plants. 1. C. Caroliniana. Michx. Spring Beauty. Lws. ovate-lanceolate ; scp. and pet. obtuse ; rt. tuberous. — % A delicate little plant, flowering in April, common in woods and rocky hills, Can. to N. Car. W. to the Mi.ss. Root a compressed, brown tubercle, buried at a depth in the ground, equal to the height of the plant. Root-leaves very few, if any, spatulate. Stem weak, 2 — 3' high, with a pair of opposite leaves half-way up, which are 1 — 2' by \ — f ', entire, tapering at base into the petiole. Flowers in a terminal cluster, white, with a slight tinge of red, and beautifully penciled with piu'ple lines. Apr. May. 2. C. ViRGiNiCA. Virginian Spring Beauty. Lvs. linear, or lance-linear ; scp. rather acute ; pet. obovate, mostly emarginate or retuse ; pcd. slender, nodding. — % In low, moist grounds. Mid. and S. States. W. to Mo., Ecerett! rare in N. Eng. Tubercle or cormus as large as a hazelnut, deep in the ground. Stem 6 — 10' long, weak, with a pair of opposite, very narrow leaves 3 — 5' long. Flowers 5 — 10, rose-colored, with deeper colored veins, in a terminal cluster. Sepals acute or obtuse. Petals often elliptical, subacute. Apr. May. 3. TALI NUM. Adans. Sepals 2, ovate, concave, deciduous; petals 5, sessile; stamens 10 — 20, inserted with the petals into the torus ; style trifid ; capsule subglobose, 3-valved, many-seeded. 1. T. TERETIFOLIUM. St. simple or branched, short and thick ; lvs. terete, subulate, crowded at the summit of the stem, on short branches; ped. elongated; fls. in a dichoto- mous cyme; pet. purple. — Tj. An interesting little plant, on rocks, Penn. Dr. Darlington! to Ark. Rhizoma or perennial stem firm and fleshy, with fibrous roots. Branches 1 — 3' long. Leaves I — 2' long, incurved, fleshy. Bracts ovate- lanceolate, minute. Peduncles 5 — 8' high. Flowers small, ephemeral. Sta- mens about 20. Jn. — Aug. 2. T. PATENS. — Spread in g-flowered Talinum. — S^. erect or decumbent at base, slender ; lvs. ovate, flat, fleshy ; panicle terminal, with spreading, dichotomous peduncles. — % Native in S. America. A handsome plant, sometimes cultivat- ed. Stem 1 — 2f high, round, piuple, terminating in a naked, spreading pani- cle of small purple flowers. Leaves 2—3' long, tapering to the ba.se. Aug. — Oct. Order XXV. ELATINACEiE.— Water Peppers. HerTjs small, annual, \v\\\\ opposite leaves and membranaceou.s stipules. Fls. minute, a.xillary- C(j'.— .Sepals '2—6. distinct or slightJy coherent at base, persistent. Cor. — Petals hyposynous, as many a.": the sepals. Sta. equal in number to, or twice as many as the petals. Anth. introrse. Ova. 2— 6-celled. Stigmas i— 5, capitate ; placentje in the axis. Fr. capsular. Seed.'i numerous. Genera 6, species 22, found in cveiT pait of the globe, growins in marshes. The following is the onlsr northern genus : LiNVM. XXVI. LINACEjE. 19S ELATINE. Gr. cXarri, fir; from the resemblance of the slender leaves of some speeics. Stigmas sessile, minute. E. Americaxa. Am. (Cr3T5ta minima. Nutt. Peplys AmericEina. Ph.) Mud Purslatie.-^St. diffuse, procumbent, striate, rooting from the joints, with assurgent branches; lis. cuneate-oval or obovate, obtuse, entire; st/y. 0; Sep., pet., sta. and stis. 2 — 3, as well as the cells and valves of the capsule; slip. very minute. — A srnall mud plant, on the borders of ponds and rivers ! U. S. Flowers axillary, sessile, solitary-. Corolla minute, closed. Jl. — Sep, Order XXVI. LINAGE^.— Flaxworts. Plnnts herbaceous or suffrutescent. Lv3. entire, ses-sile, alternate, sometimes nearly opposite, without stipules. Fls. terminal, u-sually in corymbs or panicles, regular and symmelricij. Cai.— Sepals 3, 4 or 5, distinct, or more or Ices united,- [estivation strongly imbricated. Cor. —Petals equal in number to sepals, hypogynous, unguirulaie ; estivation twisted. Sta. 3, 4 or 5, united at base into a hj-poeynous ring, which is often toothed, opposite the petals. (yoa. of as many cells as sepals or styles. Stig. capitate. Sds. solitary in each cell, compressed, suspended. Albumen 0. Genera 3, species 90. A very important order in the art.s. The Linum has a very tenacious fibre in ita bark, which is wrought into Uiread and clolli, formuig the ii7ic» of commerce. Some species are cathfljtic, and yield from their seeds a fine mucilage. Only one genus need be mentioned here, viz. : LINUM. Celtic Hfn, a thread ; hence Xtvov, Eng. linen, S&x. Sepals, petals, stamens and styles 5, the latter rarely 3 ; capsules 5-celled ; cells nearly divided by a false dissepiment. (Fig. 11., No. 4.) 1. L. RiGiDUM. Stijf-leaved Max. St. angular, branching; lis. alternate, rigid, linear, acute ;/5. panicled ; sep. ovate-lanceolate, acuminate, and with the bracts, glandularly fimbriate- serrate on the margins ; caps, globose, shorter than the calyx. — (D Near New Haven, Conn., Bobbins ! R. I., found by the Prav. Bot. Assoc. Stem 10—16' high, erect, with many snberect branches' above. Leaves 4 — 7" by J — 1", sca- brous on the margin. Sepals 3-veined. Flowers 6—8" diam., sulphur-yellow. 2. L. ViRGiNiiNUM. Virginian Flax. St. branching above, erect ; lis. alternate, linear-lanceolate, those of the root oblong, upper ones acute; panicles corymbose, terminal, with the flowers racemose on the branches ; sep. broad-ovate, mucronate ; caps, depressed, scarce- ly longer than the calvx.— (i) Woods, hills, &c., U. S. and Can. Stem about 2? high, slender, leafy, terete, glabrous. Leaves 6 — 10" by 1—2", with one di.stinct vein. Flowers 4 — 6" diam., yellow, on short pedicels. Sepals 1- veined. Jl. p.? diffusum. Wood. — St. angular, diffusely branched ; branches aad lanceolate lis. spreading ; fls. very small (scarcely 2" diam.) — Wet prairies, la. ! Quite different in habit and inay prove a new species. 3. L. usiTATissiMUM. Common Flax. St. branching above ; Ivs. alternate, linear-lanceolate, acute ; panicle corjTnbose ; sep. ovate, acute, 3-veined at the ba.se, membranaceous on the mar- gin ; pet. crenate. — (T) Introduced and somewhat naturalized in fields. Stem 1 — 2f high, with 3-veined leaves, and many large, handsome, blue flowers. Jn. JL— This important plant has been cultivated from remote antiquity, (see Gen. xli. 42 ) for the strong fibres of the bark, which are manufactured into linen. The seeds yield linseed oil, so extensively used in mixing paint, printers' ink, &c. They are also medicinal. ^ j^ 4. L. PERENNE. Perennial Ma.r.— Glabrous, with virgate branches; lys. linear, acute, scattered ; /.s. supra-axillary and terminal; sepals oval, margins rnem- branaceous, shorter than the globose capsule ; petals retuse, blue, 3 or 4 times the length of the sepals.— Q). Native West of the Miss, (perhaps not within the 17* 196 XXVIl. GERANIACE^. Geranium. limits of this Flora), also of Europe and Asia. Not uncommon in gardens. Flowers large, blue, -j- Order XXVII. GERANIACE^.— Gerajiia. Siems herbaceous or siiffruteaoent, tumid and separable at the nodes. Lva. opposite, (at least the lower ones,) mostly stipulate, petiolate, palmately veined. F/g. — Peduncles terminal or opposite the leaves, sometimes axillary- Ca/. ^Sepals 5, persistent, veined, one sometimes saccate or spurred at base. Cor. — Petals 5, hypogynous or perigynous, imguiculate ; ajstivatiiin tivisted. Sta. usually monadelphous, hjpogynous, tvk'ice or thrice as many as the petals. Ova. i of 3 united carpels, 2-ovuled. alternate with sepals, upon an elongated axis, from which they sepa- Fr. — i rate in fruit, curving upwaras on the persistent style. Genera 4, species 500. The Cape of Good Hope is the favorite habitation of some of the most impor- tant genera. Most species of the beautiful Pelargonia are native of tliat region alone. Conspectus of the Genera. I all perfect. Geranium. 1 < 5 perfect, with 5 shorter and imperfect Eroiiium. 2 Stamens 10, ( 7 perfect ; corolla inegular PelaTgonimn. 8 1. GERANIUM. Gt. yepavoi, a crane ; the beaked fruit resembles a crane's bill. Sepals and petals 5, regular ; stamens 1 0, all perfect, the 5 alter- nate ones longer, and each with a nectariferous gland at its base ; fruit rostrate, at length separating into 5 long-styled, 1 -seeded car- pels ; styles smooth inside, at length recurved from the base upwards and adhering by the point to the summit of the axis. — Herbaceous, rarely shrubby at base. Peduncles I, 2 or 3-Jloivered. 1. G. MACULATUM. Spotted Geranium. St. erect, angular, dichotomous, retrorsely pubescent ; Ivs. 3 — 5-parted, lobes cuneiform and entire at base, incisely serrate above, radical ones on long petioles, upper ones opposite, on short petioles; pet. entire; sep. mucronate- awned. — Woods, &c., U. S. and Can., but rare in N. Eng. A fine species, worthy a place among the parlor " geraniums." Stem 1 — 2f high. Leaves 3 — 3' diam., cleft | way down, 2 at each fork. Flowers mostly in pairs, on unequal pedicels, often somewhat umbeled on the ends of the long peduncles. Root powerfully astringent. Apr. — Jn. 2. G. RoBERTiANUM. Herb Robert. St. diffuse, hairy ; Ivs. 3 — 5-parted to the base, the segments pinnatifid, and the pinnae incisely toothed ; sep. mucronate-awned, half the length of the entire petals. — 1\. Smaller and less interesting than the preceding, in dry, rocky places. Can. to Va. and Ky. It has a reddish stem, with long, diffuse, weak branches. Leaves on long petioles, somewhat hairy, outline IJ — 3' diam, with pinnatifid segments. Flowers small, pale purple. Capsules small, rugose, keeled. Seeds smooth. The plant has a strong disagreeable smell. May. — Sept. 3. G. PUsiLLUM. Weak Crane's-bill. .SY. procumbent ; Irs. reniform or roundish, deeply 5 — 7-parted, lobes 3-cleft, linear; sep. hairy, aciuninate, about as long as the emarginate petals. — (D A delicate, spreading species, growing in waste grounds, pa.stures, &c., L. I. and Western N. Y. Tirrr. Stem weak. If long, branching, covered with short, deflected hairs. Leaves opposite, divided almost to the base into 5 or 7 lobes, these again variously cut. Peduncles axillary, forked, bearing 2 purplish-red flowers in Jn. and Jl. 4. G. Carolinianum. Carolinian Crane's-bill. St. diffusely branched ; Ivs. deeply 5-parted, lobes incisely toothed ; ped. rather short and clustered on the ends of the branches ; sep. mucronate-awned, as long as the emarginate petals. — ® Fields and hills throughout Can. and U. S. Stems pubescent, diffuse, 8 — 15' long, swelling at the joints. Leaves f — li diam., hairy. Flowers small, rose-colored, in pairs, and somewhat fas- ciculate. Seeds minutely reticulated, reddish brown, 1 in each hairy, beaked carpel. Jl. — Perhaps too near the follownng species. Pelargonium. XXVII. GERANIACE^. 197 5. G. DissECTUM. Willd. Wood Crane's-bill. St. diffuse, pubescent; Ivs. deeply 5-paited, lobes 3-cleft, incisely dentate; ped. dichotomous; pedicels hairy; xcp. mucronately awned, scarcely as long as the emarginate petals; beak hairy; carp, rugose. — (I) rocky places, N. Sts. ! A small spreading plant, 8 — 12' long. Leaves pentagonal in outline, IJ — 2' diam., divisions and their segments oblong-linear, submucronatc. Peduncles 6 — 10" long, with 4 bracts at the fork. Pedicels 6 — 10" long. Sepals 3-veined. Petals purplish, deeply notched, a little longer than the sepals. Jn. Ji. 6. G. SANGUiNEUM. Bloody Geranium. — Si. erect, diffusely branched; ped. longer than the petioles ; Ivs. opposite, 5-parted, orbicular in outline, lobes trifid, with linear segments; carpels bristly at top. — A beautiful species native of Europe, deemed worthy of culture by many a florist. Grows about a foot high. Leaves orbicular, deeply divided into 5 or 7, 3-lid lobes. Flowers large, round, of a deep red or blood-color, f 2. ERODIUM. L'Her. Gr. epcoSioi, a heron ; from the resemblance of the beaked fruit to the heron's bill. Cal3'x 5-leaved ; petals 5 ; scales 5, alternate with the filaments and nectariferous glands at the base of the stamens; filaments 10, the 5 alternate ones abortive ; fruit rostrate, of 5 aggregate capsules, each tipped with the long, spiral style, bearded inside. 1. E. MosciiATUM. L'Heritier. (Geranium moschatum. Linn.) MuskGera^ niinn. — St. procumbent; Irs. pinnated with .'^talked, ovate, unequally serrated segments ; ped. downy, glandular ; pet. equaling the calyx. — (J) Native of Eng- land. Sometimes cultivated for the strong, mu.sky scent of its herbage. Afoot high. Leaves large. Flowers small, purple. May — Jl. 2. E. cicoNiCM. L'Her. (G. ciconium. Linn.) Heron's-bill Geranium. — St. ascending; Ivs. pinnate; Ifts. pinnatifid, toothed; ped. many-flowered; pet. ob- long, obtuse. — Q From S. Europe. Stem about If high. Flowers purple. 3. PELARGONIUM. L'Her. Gr. ve\apyos, a stork; from the resemblance of the beaked fruit to the stork's bill. Sepals 5, the upper one ending in a nectariferous tube extending down the peduncle with which it is connected ; pet. 5, irregular, longer than the sepals; filaments 10, 3 of them sterile. — A large genus of shrubby or herbaceous plants^ embracing more than 300 species ami iimumerable varieties, nearly all natives of the Cape of Good Hope. Lower Ivs. (in plants raised from the seed) opposite., upper ones alternate. * Stem scarcely any. Root tuberous. 1. P. FLAVUM. Carrot-leaved Geranium. — St. very simple; Irs. decompound, /aciniate, hairy, segments linear; umbel many-flowered. — Flowers brownish- yellow. From the Cape of Good Hope, as well as the other species. 2. P. TRisTE. Mcmrning Geranium. — Lvs. hairy, pinnate; ///.';. bipinnatifid, divisions linear, acute. A foot high. Flowers dark green, in simple umbels. * * Stem elongated, herbaceous or suffruticose. 3. P. ODORATissiMUM. Nutmcg-sccnted Geranium. — St. short, fleshy; ^ps. roundish, cordate, very soft ; branches herbaceous, long, diffuse. — Valued chiefly for the powerful, aromatic smell of the leaves, the flowers being small, whitish. 4. P. Alchemilloides. Lady's-mantle Geranium.— St. villous ■ lvs. cordate, villous, 5-lobed, palmate; ped. few-flowered; stig. sessile.— Stem 6' high, dif- fuse, very hairy, with deflexed bristles. Flowers pink-colored. 5. P. TRICOLOR. Three-colored Geranium.— St. suffruticose, erect ; lvs. lance- olate, villous, cut-dentate, trifid; upper pet. glandular at base.— Stem IJf high. This species is distinguished for its beautifully variegated flowers. Petals roundi.sh and nearly uniform in shape, but very different in color ; the 3 lower 198 XXVII. GERANIACE^. Pelargonium. ones are white, slightly veined, the 2 upper of a rich purple, almost black at base. 6. P. coRiANDRiFOLiuM. Coriander-leavcd Geranium. — SL herbaceous, bien- nial, somewhat downy; Ivs. bipinnate, smooth, lobes linear, subpinnatifid. — Stem diffuse, If high. Distinguished by the finely divided leaves and large flowers. The 2 upper petals much the largest, obovate, veined with purple ; the 3 lower, of which the middle one is often wanting, are narrow and of a pure white. * * * Leaves neither divided nor angular ; stem fruticose. 7. P. GLAOCUM. Glaucmis-leaved Geranium. — Very smooth and glaucous; Ivs. lanceolate, entire, acuminate; pcd. 1 — 2-flowered. — Stems 3f high, shrubby and branched. The plant is remarkably distinguished by its leaves. Pedun- cles axillary, with 1 or 2 elegant flowers. Petals obovate, of a delicate blush- color, with red veins. 8. P. BETULiNUM. Birch-lcavcd Geranium. — Iws. ovate, unequally serrate, smoothish; stip. ovate-lanceolate; ped. 2 — 4-flowered. — Stem shrubby, 3f high. The plant is well named for its leaves. Flowers pale-pink, with deep red veins. 9. P. ACETosuM. Sorrel-leaved Geranium. — Lvs. very smooth, obovate, crenate, somewhat fleshy; ped. few-flowered; pet. linear. — Stem shrubby, 3f high. JS'amed for the acid flavor of the leaves. Flowers pink. * * * * Leaves either angular or palmately lobed ; stem fruticose. 10. P. zoNALE. Horse-shoe Geranium. — Lvs. cordate-orbicular, obsoletely lobed, toothed, marked with a concentric zone. — Stem thick, shrubby, 2 — 3f high. One of the most popular of all the species. Leaves always marked with a dark concentric stripe of various shades. The flowers are of a bright scarlet, umbeled, on long peduncles. It has many varieties, of which the most remarkable is — /8. 7narginale ; silver-edged, the leaves of which are bordered with white. 11. P. iNaulNANS. Scarlet Geranmm. — Z/t-s. round-reniform, scarcely divided, crenate, viscid ; umbels many-flowered ; pet. obovate, cuneate. — Justly admired for the vivid scarlet of its numerous flowers. The name alludes to the reddish, clammy moisture which stains the fingers in handling the soft, downy branches. 12. P. PELTATUM. Ivy-leaved Geranium. — Lvs. 5-lobed, entire, fleshy, smooth, more or less peltate ; umbels few-flowered. — Stem climbing, several feet in length. "Whole plant very smooth. A beautiful species, with umbels of very handsome purplish flowers. 13. P. TETRAGONUM. Squarc-stolked Geranium. — Branches 4-cornered, fleshy ; lvs. cordate, bluntly lobed, somewhat toothed ; pet. 4, the upper ones pale-pink, with crimson veins, the 2 lower small, white. — Leaves small, rounded, notched, with scattered hairs. 14. P. GRANDiFLORUM. Large-jtovjcred Geranium. — Smooth, glaucous ; lvs. 5-lobed, palmated, cordate at base, the lobes dentate towards the end ; pet. three times as long as the calyx. — Distinguished for the size and beauty of the flowers, which are white, the 2 upper ones elegantly veined, and tinged with red, larger than the rest. 15. P. GRAVEOLENs. RosB-scentcd Geranium. — Lvs. palmately 7-lobed, lobes oblong, bluntly toothed, revolute, and very rough at the edge ; umbels many- flowered, capitate. — Nectary about half as long as calyx. Leaves very fra- grant. Flowers purple. 16. P. RADULA. Rasp-leaved Geranium. — Lvs. palmate, rough; lobes narrow, pinnatifid, revolute at edge, with linear segments; umbels few-flowered; nec- tary nearly as long as the calyx. — Distinguished for its large rough leaves deeply divided into linear segments, and with a mint-like fragrance. Flowers purple. 17. P. auERCiroLiUM. Oak-leaved Geranium. — Lvs. cordate, pinnatifid, with rounded recesses, lobes obtusely crenate ; branches and petioles hispid. — Leaves rough, often spotted. Flowers purplish. XXIX. TROP^OLACE^. 199 06s.— Tbe above are among the more distinguished and popular species of this vast andfkvorite genua. Imiumerable varieiies produced from seeds and propueated by cuttings are equally common and ollen of superior beauty. No eenus seems to be regarded wnii such universal favor for green-house plants 03 this. The species and their miUtitudesof hybriil creations, iirodiiced by modern ingenuity, are cultivated with assiduous attention by nearly every family whicli makes the least pretensions to taste through- out the civilized world. Orrer XXVIII. BALSAMINACE^.— Jewel Weeds. Herbs annua], with succulent stem.i and a watery juice. Lvs. simple, without stipules. FIs. very irregular and unsymmetrical. Ca^.— Sepals 5, deciduous, the 2 upper connate, the lowest spurred or gibbous. Cor.— retals 4. livpugynous, united by pairs, or rarely 5, distinct. Sta. 5, hypugjiioiis. J-'//a/«iers 2cc[led. Ova. 5-celleJ. i-onipiiund, Slig^nas sessile. Pr. capsular, 5 celled, bursting elasticaJly by 5 valves. Sds. several in each cell. Embryo straight. Genera 2, species llO. With regard to its properties and uses, this order is of no importance, but some of its species are highly ornamental. 1. IMPATIENS. Impatient, with respect to the irritable capsules. Sepals colored, apparently but 4, the 2 upper being united, the lowest gibbous and spurred ; petals apparently 2, each of the lower being united to the 2 lateral ones; anthers cohering at the apex; capsule often 1 -celled by the obliteration of the dissepiments, 5- valved, bursting elastically. — Stems smooth, succulent, tender, sub-pellu- cid, with tumid joints. 1. I. PALLIDA. Nutt. (I. noli-tangere. Michx.) TtmcIi^mc-noL Ijvs. oblong-ovate, coarsely and obtusely serrate, teeth mucronate; pe(}_ 2 — i-flowereti, elongated ; lover gibbous scp. dilated-conical, broader than long, with a very .short, recurved spur; fls. pale yellow, sparingly maculate. — ® Wet, shady places, U. S. ! and Can. Stem 2— 4f high, branched. Leaves 2 — 5' long, I as wide, with large, obtuse teeth, each tipped with a very short mucro. Flowers large, mostly in pairs. Two outer sepals pale green, callous- pointed, the rest pale yellow, the lower produced into a conic nectary, ending in a spur i' long. Capsules oblong-cylindric, 1' long, bursting at the slightest touch when mature, and scattering the seed. Aug. 2. I. FULVA. Nutt. (I. noli-tangere. /?. Michx.) Jewel-weed. Lvs. rhombic-ovate, obtusish, coarsely and obtusely serrate, teeth mucro- nate ; pcd. 2 — 4-flowered, short ; loivcr gibbon.s sep. acutely conical, longer than broad, with an elongated, recurved spur ;/5. deep orange, maculate with many brown spots. — ® In wet, shadv grounds, Can. to Ga., more common than the last, somewhat glaucous.— Stem U— 3f high. Leaves 1—3' long, § as wide, having like the last, a few filiform teeth at the base. Flowers about 1' in length, the recurved spur of the lower sepal i' long. Capsule as in the last. Aug. 3. I. BalsamIna. Garden Balsaviine. — Lvs. lanceolate, serrate, upper ones alternate ; ped. clustered; spur sYiovier than the flower. — (l) From the E. Indies. It is one of the most beautiful of garden annuals, forming a showy pyramid of finely variegated, carnation-like flowers. The prevailing colors of the petals are red and white, but the former varies in every possible shade ( '" crimson, scarlet, purple, pink and flesh-color. The flowers are often double. , Order XXIX. TROP^OLACE^.— TRoniYwoRxs. Plants herbaceous, smooth, climbing or twining, with a pungent, watery juice. Lvs. peltate or palmate. FIs. irregular. Ca^— Sepals 5. colored, united, the lower one spurred. Cor.— Petals 5, the three lower ones stalked, the 2 upper inserted on the caJy.\. SM. 8, di.sitinct, unec|iial. Oca. of 3 united carpels. StyJe\. Stisfmas'i. Fr. separating into 3 indehiscent, Iseeded nuts. S(fo. large. Albumen 0. Genera 3, .-species 40, natives of S. America. They possess the same antiscorbutic properties as the CruciferiE. The fruit of the following species is pick'ed and used as a substitute tor capers. 200 XXXI. OXALIDACE^. Oxalis. TROP^OLUM. Lat. tropceum, a trophy ; tlie leaf resembles a shield, the flower an empty helmet. Character essentially the same as of the order. T. MAjus. Nasturtion. Indian Cress. — Lis. peltate, roundish, repand on the margin, with the long petiole inserted a little one side of the centre ; pet. ob- tu.se, the two upper distant I'rom the 3 lower, which are fimbriate at base, and contracted into long claws. — ® Native of Peru. Stem at length climbing by- means of its long petioles several feet. Leaves a fine example of the peltate form, about 2' diam. Flowers large and showy, orange-colored, with blotches of deeper shade. They are eaten for salad. Jime — Oct. Order XXX. LIMNANTHACE^. Herbs annual, with an acrid, watery juice. Lvs. alternate, pinnatifid. Stipules 0. Flowers regular. Ca/.— Sepals 3—5, united at base, persistent, valvate in iestivation. Cor.— Petals 3—5, marescent, inserted upon an hypogynous disk. Sta. twice as many as petals and inserted with them. Filaments opposite the sepals, with a small pro- OiJO. of -2-5 distinct carpels. S^y. united. Stig. siiaiAe. [cess outside the base. Ft 2—5 achenia, rather fleshy. Sixds solitary. Genera 2, species 3, mostly natives of the temperate parts of North America. They have no very remariiable properties. Flcerkea is the only northern genus. F L CE R K E A. Willd. Named in honor of Flcprke, a German botanist. Sepals 3, longer than the 3 petals ; stamens 6 ; ovaries 3, tuber- culate, style 2-cleft. — ® small., aquatic, with finnatdy divided leaves. F. PRcgERPiNACoiDES. Lindl. (P. uliginosa. Muhl.) False Merynaid. Grows ifi marshes and on river and lake shores, Vt. to Penn. W. to Mo. Stems decumbent, less than a foot in length, weak and slender. Leaves alter- nate, upper ones, or those above the water, pinnately 5-parted, lower or sub- mersed ones mostly 3-parted, all on slender petioles 1 — 3' in length. Flowers axillary, pedunculate. Petals white, small, about half as long as the sepals. Achenia large, 2 or 1, roundish. Order XXXI. OXALIDACE^.— Wood Sorrels. St. low, herbaceous, with an acid juice, and alternate, compound leaves. Slip, rarely present. Fts. regular and symmetrical. Cai.— Sepals 5, persistent, equal, sometimes slightly cohering at the base. Cor. — Petals 5, hypogynous, equal, unguicnlate, deciduous, twisted in Estivation. Sta. 10, hypogynous, more or less monadelnhous, those opposite the petals longest. Owe— Carpel's 5, united, opposite the petals. J^. capsidar, usually membranous, 5-lobed and 5-celled. Genera 6, species 325, inhabiting hot and temperate regions. The stem and leaves generally contain free oxalic acid. The order is represented in the Northern States by the following genus only. OX A LIS, Gr. o^uf, sour; from the acid taste of most species. Sepals 5, distinct or united at base ; petals much longer than the calyx ; styles 5, capitate ; capsule oblong or subglobose ; carpels 5, 1 — several-seeded. — Mostly % with trifoliate leaves. 1. O. AcETOCELLA. Comvion Wood Sorrel. Acaulescent; scape longer than the leaves, 1-flowered ; Ifts. broad-obcor- date, with rounded lobes ; sfij. as long as the inner stamens; ?■<. dentate, scaly. — Woods and shady places. Can. and Northern States. Leaves palmately 3-ibli- ate, on long, weak stalks, purplish beneath. Peduncles longer than the leaves, each with a nodding scentless flower wliose petals are white, yellowish at the base, delicately veined with purple. The whole plant has an agreeable, acid laste. Jn. Ptelea. XXXII. ZANTHOXYLACEiE. 201 2. O. viOLACEA. Violet Wood Sornl. Acaulescent, smooth; scape umbelliferous; pedicels subpubescent ; fis. nodding ; tips of the cal. fleshy ; stij. shorter than the outer stamens. — An elegant species, in rocky woods, &c., throughout the II. S. Bulb scaly. Scape nearly twice taller than the leaves, 5 — 8' high. Leaves palmately 3-lbliate, sometimes none; leaflets nearly twice as wide as long, witn a very shallow sinus at the very broad apex. Umbel of 3 — 9 drooping flowers. Petals large, violet-colored, striate. May. 3. O. STRICTA. Yellaw Wood Sorrel. Caulescent; st. branching, erect ; pcd. umbelliferous, longer than petioles; 5t7j. as long as the inner stamens. — (T) Fields, U. S. and Can. The plant varies in height, Irom 3 — 8' or more, according to the soil. Stem leafy, round, smooth, .succulent. Leaves palmately 3-foliate, numerous, scattered on long stalks. Umbels on long, axillary stalks, about the length of the petioles. Flowers small, yellow, appearing all summer. Capsules sparingly hirsute, with spread- ing hairs. 4. O. coRNicuLATA. Ladies' Wood Sorrel. Caulescent ; st. creeping, radicating, difi"usely branching; Ifts. pubescent; ped. 2 or more-flowered, shorter than the petioles ; pet. cuneiform, erose at the apex; sttj. long as the inner stamens. — Grows in cultivated grounds, U. S. and Can. Resembles the last, but " is undoubtedly distinct." Robbins. Stems leafy, prostrate, a foot or more in length. Sepals pubescent, half as long as the emar- ginate, yellow petals. Capsules densely and closely pubescent. May, and after. Order XXXII. ZANTHOXYLACEJS. Trus or shrubs, without stipules. Lcs. alternate or opposite, pinnate, rarely simple, with pellucid dots. Fis. regular, polygamous, gray, green, or pink. Sep. 3—9, small, cohering at the btise. Coc— Petals longer than the sepals, of the same number or o. Sla. alternate wfth petals, of the same number, seldom twice aj many; in the pistillate flowers either wantin? or imperfect. Anthfrs introrse. Ova. usually of the same number as sepals, .stipitate, distinct or united. Fr. baccate, membranaceous or drupaceous, or 2-valved capsules. Genera 20, species 110, chiefly of tropica] America, only 2 genera being native in the United States. P?operJ/fts.— Bitter, aromatic and stimulant; properties residing chiefly in the bark. Conspectus of the Genera. Urees, with 21— 41-foliate leaves Ailanthus. 3 Unarmed ; shrubs, with 3-foliate leaves Ptelea. 2 Prickly shrubs ZarUhoxylum. I ' 1. ZANTHOXtLUM. Gr. ^av^os, yellow, fiiXoi', wood; from the color of the wood. 9 Calyx inferior, 5-parted ; corolla 0 ; stamens 3 — 6 ; pistils 3 — 5 ; carpels 3 — 5, 1 -seeded ; 9 like the $ but wanting the stamens; c? like the $ but wanting the pistils. — Leaves pinnately 3 — 5-foliaie. Z. Amkric.\num. Miller. (Z. fraxineum. Willd.) Prickly Ash. Prickly ; Ifts. ovate, subentire, sessile, equal at the base ; iimbcls axillary. — A shrub 10 or r2'f high, found in woods in most parts of the U. S. The branches are armed with strong, conical, brown prickles with a broad base. Leaflets about 5 pairs with an odd one, smooth above, downy beneath ; common petioles with or without prickles. Flowers in sma'l dense umbels, axillary, greenish, appearing before the leaves. The perfect and the staminate ones grow upon the same tree, and the pistillate upon a separate tree. The bark is bitter, aro- matic and stimulant, used for rheumatism and to alleviate the tooth-ache. Apr. May. 2. PTELEA. 9 5 c? Sepals 3 — 6, mostly 4, much shorter than the spreading petals; cJ* stamens longer than the petals and alternate with them, very short and imperfect in 9 ; ovary of 2 united carpels ; styles 202 XXXIII. ANACARDIACE^. Rhus. united, short or 0 ; stigmas 2 ; fruit 2-celled, 2-seeded samar8e,with a broad, orbicular margin. — Shrubs with 3 — 5-foliaie leaves. Fls. cymose. P. TRiFOLiATA. Shrubby lyefoil. Lvs. 3-foliate, Ifts. sessile, ovate, short-acuminate, lateral ones inequila- teral, terminal ones cuneate at base ; cymes corymbose ; sta. mostly 4 ; sty. short.--An ornamental shrub, 6— 8f high. Western States! rare in Western N. Y. Leaflets 3 — \\' by U— U', the peduncles rather longer. Flowers white, odorous, nearly i' diam. Samara nearly 1' diam. 3. AILANTHUS. 9 5 c? Sepals 5, more or less united at base ; petals 5 : 5 stamens 2 — 3 ; ovaries 3 — 5 ; styles lateral ; fruit a 1 -celled, 1 -seeded samara with oblong margins; d" stamens 10; $ ovaries, styles and samarte as in 5. — Oriental. Trees and shrubs with pinnate leaves. Fls. in panicles. A. GLANDULosA. Dcsf. Tree of Heaven.— Lvs. glabrous, unequally pinnate ; Ifts. ovate or oblong-lanceolate, acuminate, shortly petiolulate, with one or two obtuse, glandular teeth each side at base, terminal one long-petiolate.— A tree of large dimensions, and with extremely rich and luxuriant tbliage, native of China and Japan. Trunk straight, with a smooth, brown hark. Leaves 3— 5f in length, with 10—20 pairs of leaflets and an odd one. Flowers in terminal panicles, greenish, pertecting seed in our climate.— The tree is of extremely rapid growth, and is becoming common in our streets and shrubberies, f Order XXXIII. ANACARDIACE^.— Sumachs. Trees or shrubs, with a resinous, gummy, caustic, or even milky juice. Lvs. alternate, simple or ternate or unequally pinnate, without pellucid dots. Fls. terminal or axillary, with bracts, commonly dioecious. Ca;.— Sepals 3—5, united at base, persistent. Cor.— Petals same number as .sepals, sometimes 0, imbricate in aestivation. Sta. as many as petals, alternate with them, distinct, on the base of the calyx. OtJ«. 1-celled, free. Ovule one. Styles 3 orO. StigmasS. fr. a berry or drupe, usually the latter and l-seeded. Genera 41, species 95, chiefly natives of tropical regions, represented in the United States by the genus Rhus only. Prorierlies —These plants abound in a resinous juice, which is often poisonous, but is used as an indeli- ble ink in marking linen, and as an ingredient in varnish. Even the exhalations from some of the species are deemed poisonous. The Cashew nut is the product of a small tree of both Indies. When fresh the kernel is full of a milky juice, and has a most delicious taste, but the coats are filled with a caustic oil which blisters the skin, and kills warts. RHUS. Said to be from /5ft.), to flow ; because used in haemorrhage. Calyx of 3 sepals united at base ; petals and stamens 5 ; styles 3, stigmas capitate ; fruit a small, l-seeded, subglobose, dry drupe. — Small trees or shrubs. Leaves aUernate, mostly compound. Flowers often by abortion 9 c? or 9 $ c?. * Leaves pinnate. 1. R. GLABRA. Smooth Sumach. Lrcs. and branches glabrous; Ifts. 6—15 pairs, lanceolate, acuminate, acutely serrate, whitish beneath; fr. red, with crimson hairs. — Thickets and waste grounds, U. S. and Can. Shrub 6— 15f high, consisting of many strag- gling branches, smooth, except its fruit. Leaflets about 3' long, i as wide, sessile except sometimes the tenninal odd one. Flowers in terminal, thyrsoid, dense panicles, greenish-red, 9 ^. Fertile ovaries clothed with grayish down, which in the fruit becomes crimson, and contains malic acid (bi-malate of lime. Prof. Rogers), extremely sour to the taste. Jn. J].— The bark of this and other specfes may be used in tanning. The drupes dye red. Lands long neglected are sometimes overrun by this shrub. Rhus. XXXIII. ANACARDIACE^. 203 2. R. TYPHlN.v. Stag-horn Sumach. Branches and petioles densely villous; Ifts. 6 — 15 pairs, oblong-lanceolate, acuminate, acutely serrate, pubescent beneath ; fr. red, with crimson hairs. — A larger shrub than the former, attaining the height ol' 20f, in rocky or low barren places, U. S. and Can. Stem with straggling, thick branches. Leaves at length 2 — 3t" long. Leaflets 2 — 4' long, i as wide, sessile, except the termi- nal odd one. Flowers in terminal, thyrsoid, dense panicles, yellowish-green, often 9 cT or 9 $ cT- Drupes compressed, compact, the crimson down very acid. Jn. — The wood is aromatic, of a sulphur-yellow, and used in dyeing. 0. laciniata. — Lfts. very irregularly coherent and incised ; panicles partly transformed into gashed leaves. Hanover, N. H. Richard. 3. R. copALLiNA. Mountain Sinnac. Branches and petioles pubescent; lfts. 4 — 10 pairs, oval-lanceolate, mostly entire, unequal at base, common petiole winged ; Jls. in dense panicles ; drupes red, hairy. — A smaller shrub, not half the height of the last, in dry, rocky pla- ces, U. S. and Can. Common petiole about G' long, expanding into a leafy margin, between each pair of leaflets. Leaflets 1 — 3' long, near J as wide, dark green and shining on the upper surface. Panicles of flowers terminal, sessile, thyrsoid, 9 c?i greenish Drupes acid. Jl. fi. leaflets coarsely and unequally serrate. N. Y. Barratt. 4. R. VENENATA. DC. (R. vernii. Linn.) Poison Sumac. Dog-wood. Very glabrous; Ifts.'i — 6 pairs, oval, abruptly acuminate, very entire ; panicles loose, pedunculate; drupes greenish-yellow, smooth. — A shrub or small tree of fine appearance, 10 — 15f high, in swamps, U. S. and Can. Trunk seve- ral inches diam., with spreading branches above. Petioles wingless, red, ti — 10' long. Leaflets about 3' long, nearly § as wide, sessile, except the odd one. Panicles axillary, 9 c?; those of the barren tree more diffuse. Flowers very small, green. Drupes as large as peas. Jn. The whole plant is very poison-' ous to the taste or touch, and even taints the air to some distance around with its pernicious efiiuvium. ♦ ♦ Leaves ternate. 5. R. Toxicodendron. Poison Oak. Poison Ivy. Erect or decumbent; Ivs. pubescent; lfts. broadly oval, acuminate, entire or sinuate-dentate; fls. in racemose, axillary, subsessile panicles ; drupes sxnooih, roundish. — Can. and U. S. A small shrub, 1^ — 3f high, nearly smooth in all its parts. Leaflets 2 — 6' long, | as wide, petiolate, the common petiole 4 — 5' long. Flowers small, 9 c?- Drupes pale brown. Poisonous, but less so than the last. H. radicans. Torr. (R. radicans. Linn, and of \st edit.) Poison Ivy. St. climbing 3 — 20 or 50f ! by myriads of radicating tendrils. — It seems now gen- erally conceded that this is but a variety. Certainly, if so, it is a very remark- able one. In damp, shady places. Poisonous. 6. R. AROMATiCA. Ait. Swcct Sumac. Lfts. sessile, incisely crenate, pubescent beneath, lateral ones ovate, ter- minal one rhomboid; fls. in close aments, preceding the leaves; dr^ipe globose, villous. — A small, aromatic shrub, 2 — 6f high, in hedges and thickets. Can. and U. S. Leaflets 1 2' long, J as wide, sessile, the common petiole an inch or two in length. Flowers yellowish, with a 5-lobed, glandular disk. Drupes red, acid. May. * * * Leaves simple. 7. R. CoTlNus. Venetian Sumac. — Lvs. obovate, entire ; fls. mostly abor- tive; pedicels finally elongated and clothed with long hairs. — A small shrub, 6f high, native in Ark. according to Nuttall, remarkable chiefly for the very sin- gular and ornamental appearance of its long, diffuse, feathery fruil-stalks, showing in the distance as if the plant were enveloped in a cloud of smoke. Flowers small, in terminal, compound panicles. Leaves smooth, entire, much rounded at the end. In Italv the plant is used for tanning, f 18 204 XXXV. AURANTIACE^. Citrus. Order XXXIV. RUTACE^.— Rueworts. Herbs, or generally shruba and trees, with punctate Ivs. and no stipulea. F/s. perfect. Sep. 4— 5. Per. 4— 5, rarely 0. Sta. as many, or twice or thrice as many as petals, inserted on the outside of a cup-Uke oisK. Ova. 3— Slobed, 3— 5-celled ; styles united or distinct only at base. Ft. usually separating into its component, few-seeded carpels. Genera 47, species 400, usually inhabiting the warmer parts of the temperate zone on the Eastern con- tinent, and the equatorial parts of S. America. They are characterized by a powerful odor and intense bitterness, often febrifugal and anthelmintic. Dictamnus abounds in a volatile od, dittusmg an intlam- mable gaa. Genera. Sepals permanent. Petals equal BMta. I Sepals deciduous. Petsds unequal Dictamnus. i 1. RUT A. Calyx of 4 — 5 sepals united at base ; petals 4 — 5, concave, obo- vate, distinct; torus surrounded by 10 nectariferous pores; stamens 10; capsule lobed. — %■ Herbaceous or shrubby., mostly European. R. GRAVEOLENs. Common Rue. — Siiffruticose, nearly glabrous; lis. 2 and 3- pinnately divided, segments oblong, obtuse, terminal ones obovate-cuneate, all entire or irregularly cleft; ^5. terminal, corymbofeo ; pet. entire. — Native of S. Europe. Stem branched, 3— 4f high. Leaflets C— 10" by .2 — i", conspicuously dotted. Corolla yellow, 6" diam. Jn. — Sept. :j: 2. DICTAMNUS. Calyx of 5 deciduous sepals ; petals 5, unguiculate, unequal ; fila- ments declinate, with glandular dots ; capsules 5, slightly united. — '^l- Herbs, native of Germany. D. ALBUS. Willd. (and D. Fraxinella. Liiik.) Fraxinella.—St. simple; Ivs. pinnate, the rachis more or less winged ; fls. in a large, terminal, erect pan- icle.— In gardens. Stems 1— 2f high. Flowers showy, white, varying to rose- color and purple. The whole plant emits a lemon-scented, aromatic, volatile oil, which is so abundant in hot weather as to render the air around it inflam- mable, f p. rubra. Flowers purple ; rachis of the leaves winged, -f Order XXXV. AURANTIACE^.— Oranges. Trees ox shrubs, glabrous, abounding in little transparent receptacles of volatile oil. Lvs. alternate, articulated with the petiole which is frequently winged. Cai.— Sepals 3— .5, united into a short, urceolate or campanulate cup. Sta. as many as the petals, or some multiple of their number, in a single row, hypogynous. Owa. compounded of several united carpels. Style l. Fr.—X berry (orange), many-celled, pulpy, covered with a thick rind. Sds. attached to the inner angle of each carpel. Albumen 0. Genera 2fl species 95, nearly all natives of tropical Asia, and are naturalized throughout all tropical regions, and cultivated in all civilized countries for their beauty and fragrance, both of flowers and fruit. Propertiys.— These fruits contain free citric and .ma/Zc acid, and their pulp is grateful to the taste. The rind contains an aromatic, volatile oil, which is tonic and stomachic. The rind of the lime yields the oil of Bergamot, and the flower of the orange the oil of Neroli. CITRUS. Gr. KiTpta, the citron; the fruit of one of the species. Sepals and petals in 5s ; anthers 20, or some other and higher multiple of 5, versatile, the conuectile articulated to the filament ; filaments dilated at base, polyadelphous ; berry 9 — 18-celled. — A no- ble genus of trees and shrubs, all tropical, combining in its species, beauty of form, tvith shini?ig, ever-green foliage, odoriferous flowers, and fragrant and delicious fruit. 1. C. LiMoNUM. Lemon Tree.— Petioles somewhat winged, articulated with the lamina (which is thus shown to be the terminal or odd leaflet of a reduced Camellia. XXX VI. TER.N'STKCEiMIACEiE. 205 compound leal) ; [ft. oblong, acute, dentate ; sta. 35 ; fr. oblong-.spheroid, with a thin rind and very acid pulp. — A tree about 15f in height, which, when laden with its golden fruit, suspended among its dark green leaves, makes a most beautilul appearance. It is a native ot tropical regions, and is easily cultivat- ed in our climate if protected during winter, f 2. C. Li.META. Linie Tree. — Pei!w/our Oranges, il; Bergamots,5; LimtisS; Sliad- dodcs, 6; Luines, 12; Lemons, 46; Citrons, 17. The most successful methods of cultivation are by cuttings. Order XXXVI. TERNSTKCEMIACE^.— Teaworts. Trees OT shrubs, with alternate, coriaceous, exstipulate leaves. Fls. axillary or terminal, white, rarely red or pink. Co/.— Sepals 5 or 7, concave, coriaceous, deciduous, the inner often tlie largest. Cor— Petals 5, 6 or 9, not equal in number to the sepals. Sta. 00, hypoKynous. PUaments distinct, or united into one or more seta. Ova. superior, with several cells. Styles 3—7, more or less combined. Pr. 2— 7c<;lled, capsular. Sds. large, few, attached to the a.xis. Genera 33, species 130. Beautiful flowering plants, 60 or 70 of them natives of S. America, 4of N. America, the remainder of China and E. Indies. Their properties are in general little known. The tea, 80 extensively used as a beverage in the civilized world is the leaf of 2 or 3 species of Thea. It con- tains a peculiar extractive matter and a stimulating, essential oil, which becomes narcotic in some hot climates. Ge7iera. (, 5, equal. Trees Gordonia. 1 SepaJs j 6— 7, unequal, the inner ones largest. (Shrubs.) Camellia. 2 1. GORDONIA. In honor of James Gordon, a distinguished nurseryman of London. Sepals 5, roundish, strongly imbricated ; petals 5 ; styles united into one ; capsule woody, 5-celled ; cells 2-seeded ; seeds winged. — Trees with large, white flowers. G. PUBESCEN.S. L'Her. (Franklinia Americana. Marsh.) Pranklinia. — Lvs. serrate, deciduous, oblong-cuneiform, shining above, canescent beneath ; sep. and pet. silky outside. — A tree ^0 — 50f high in Ga. and Flor., or an ornamental shrub in cultivation at the north, admired for its large, white flowers, with yel- low stamens and rich fragrance. May — Aug. 2. CAMELLIA. In honorof G. J. Kamel, a Jesuit, author of some botanical works. Sepals imbricated, the inner ones larger ; petals sometimes adher- ing at base, filaments 00, shorter than the corolla, united at base ; styles united ; stigmas 3 — 5, acuto. — Ornamental shrubs, native of China o.7id Ja.pan. 206 XXXVll. MALVACEyE. Mal.\a. C. Japonica. Tea Plant. Japan Rose. — Lvs. ovate, acuminate, acutely ser- rate, glabrous and shining on both sides, coriaceous and firm, on short petioles; Jls. terminal and mostly solitary ; pet. obovate, of a firm texture ; sta. about 50, mostly changed to petals in cultivation ; stig. unequally 5-cleft. A lofty tree in Japan, its native country, a splendid flowering shrub with us, of difficult culti- vation, requiring protection in our climale. Flowers varying from white to red, resembling the rose but wanting its fragrance. Over 300 varieties are enumerated. Order XXXVII. MALVACE^.— Mallows. Herbs, shrubs or trees, with alternate, stipulate, divided leaves. Hairs stellate or none. Fls. axillary, showy, regular, often with an involucel at the base. Cai.— Sepals generally 5, more or less united at base, valvate in ajstivation. C07-.— Petals equal in number to the sei)als, hypogynous. Sta. indefinite, monadelphous. Anthers l-celled, bursting transversely. Ova. of several carpels arranged in one or more rows around a common axis. Sty. as many as the carpels, either united or distinct. Pr. capsular or baccate ; carpels one or more-seeded, united or distinct. Sds. sometimes (as in Gossypium) hairy. Embryo curved. Genera 37, species lOOO. A somewhat important class of plants, forming about one-fiftieth of all the flowering plants of tropical valleys.— But few are natives of the temperate, and none of the frigid zone. In the Northern States they are all herbs. The most important product of the order is cotton. Proper/ ;&s.— Generally abounding in mucilage, and destitute of any deleterious qualities. FIG 41.— 1. Hibiscus Trionum. 2. Cross section of the flower, showing the arrangement of its parts. 3. Cross section of the 5-celled capsule. 4. Capsule open by its 5 valves. 5. Malva sylvestris. 6.. Its fruit consisting of 10 carpels arranged in a circle. 7. Section of one of the carpels showing the curved embryo. Conspectus of the Genera. ^ are nearly distinct Malva. l (of 3 oblong bracteoles which < are united Lavatera. 3 { Capsule 3— 5-ceIled Gossypium. 2 of 3 cordate bracteoles. { Carpels OO, distinct Malope. 6 i united Althcca. 4 of 6— ISbracteoles whichare ( nearly distinct Htbiscta. 5 i Cells 3— 6-seeded. Abutilon. 7 wanting. Carpels united. I Cells l-seeded Svla. 8 1. MALVA. Crr. \ia\a')(jq, soft; on account of the soft naucilaginous properties. Calyx 5-cleft, the involucel mostly 3-leaved ; carpels 00, 1-ceIled, l-seeded, indehiscent, arranged circularly. 1. M. ROTUNDIFOLIA. LoW MolloW. ^ St. prostrate; Irs. roundish, cordate, obtusely 5-lobed ; ped. in fruit re- flexed ; cor. twice as long as the calyx. — 1\. Common in cultivated grounds. Root fusiform. Stems numerous, a foot or more long. Leaves of a fine, deli- cate texture, somewhat reniform, crenate, with 5 — 7 shallow lobes, and on long, hairy stalks. Peduncles axillary, aggregate. Petals pale pink, deeply notched. Fruit depressed-globose, compo.sed of the numerous carpels arranged circularly. The child sportively calls them cheeses, a name which their form very naturally suggests. Jn. — Oct. ^ 2. M. sTLVESTRis. High Mallow. (Fig. 41, 5.) St. erect ; lvs. 5 — 7-lobed, lobes rather acute ; ped. and petioles hairy. — Althjea. XXXVJI. MALVACEAE. 507 1\. Native of England. A popular garden flower of the easiest culture, often springing up spontaneously in fields and roadsides, Mid. and W. States ! Height 3f. Flowers reddish purple, with veins of a darker hue. The whole plant, especially the root, abounds in mucilage. Jn. — Oct. § •)• 3. M. HouGHTONii. Torr. & Gray. Houghton's Malva. St. erect, hirsute; Ivs. strigose, ovate, truncate at the base, lower ones cordate, all undivided, coarsely crenate ; f ankle terminal, difluse, many-flow- ered; pet. purple; carpels lO — 15. — Prairies and bottoms. 111. Mead! &c. A handsome but rather rough species, 2 — 3f high. Root fusiform. Leaves 2 — 3' by 1 — 2', on long, hairy petioles, thick. Flowers nearly as large (IJ' diam.) as those of M. sylvestris. Jl. Aug. 4. M. Mauritiana. Ivy-lcaced Malloic. — S'i. erect; Zi;5. 5-lobed, obtuse ; peft'- oles and pedicels smoothishj or downy on the upper side. — (X) From S. Europe. A tall species, 4 — 6f high. Stem smooth. Flowers purple, with deeper colored veins, f 5. M. MoscHATA. Musk Mallow. — St. erect; radical Ivs. reniform, incised. cauli)i€ ones many-parted, the segments linear; ped. and cal. hairy. — Native of Britain. Stems 2f high, branched. Flowers large and handsome, rose-colored. The whole herb gives out a musk-like odor in favorable weather. Jl. 6. M. CRisPA. Curled or Crisped-lcavcd Mallow.— St. erect ; Ivs. angular-lobed, dentate, crisped, smooth ; Jls. axillary, sessile. — (T) A tall, straight, simple, erect plant from Syria. Gardens, almost naturalized. Stem 5 — 6f high. Leaves large, roundish, margins abundantly crisped and curled. Flowers white, not conspicuous. Jn. — Aug. f 2. GOSSYPIUM. A word said to be from the Arabic, goz, a silky substance. Calyx obtusely 5-toothed, surrounded by an involucel of 3 cordate leaves, deeply and incisely toothed ; capsule 3 — 5-celled ; seeds in- volved in cotton. — Fls. yelloio. 1. G. HERBACEUM. Common Cotton Plant. — Iws. 5-lobed, with a single gland below, lobes mucronate ; cott^)n white.—® This is the species commonly culti- vated in the Southern States. It is an herbaceous plant, about 5f high. The flowers like those of all the other species are yellow. Leaves cut half way do\vn into 3 large and 2 small, lateral, rounded, pointed lobes. Gland on the midvein at its back, half an inch from the base. Jl. -j- 2. G. Barbadexse. Sea Islmtd Cotton Plant.— Lvs. 5-lobed with 3 glands beneath, upper ones .3-lobed ; seeds black; cotton white.— @ Native and culti- vated in the W. Indies. A larger plant than the foregoing. Sown in Sept. and Oct. An acre yields an average product of 270 pounds of this cotton. — These plants are ornamental in cultivation, f 3. LAVATERA. Xamed in honor of the two Lavaterg, physicians of Zurich. Calyx surrounded at base with a 3-cleft involucel; carpels 00, 1- celled, 1 -seeded, indehiscent, arranged circularly. 1 L arborea. 7VceMa//o?r.—Lrs. 7-angled, downy, plicate; ;?C(f!<;e& axil- lary 1 -flowered, clustered, much shorter than the petiole.—^ A splendid plant for borders or shrubberies, from Europe. Height about 61. Flowers purple. Sept. Oct. t 2. L. Thuringiaca. Gay Malhno.—Lvs.s.om&whz.iAovmy; lower onesangu- lar, upper ones 3-lobed, the middle lobe largest.— t; From Germany. Height 4f. Flowers light blue. Sept. 4. ALTHiEA. Gr. aX5w, to cure ; the mucilaginous root is highly esteemed in medicine. Calyx surrounded at base by a 6— 0-cleft involucel ; carpels 00, 1- eeeded, indehiscent. arranged circularly around the axis. 18* 208 XXXVII. MALVACEJ5. Hibiscds. 1. A. OFFICINALIS. Marsh Mallow. Lvs. soft-downy on both sides, cordate-ovate, dentate, somewhat 3-lobed, all entire ; ped. much shorter than the leaves, axillary, many-flowered. — %. A European plant, naturalized on the borders of our salt marshes. Stem 3f high, erect, firm, covered with thick, woolly down, with alternate, velvet-like leaves. Flowers large, axillary and terminal, pale purple. The root, as well as the other parts of the plant, abounds in mucilage, and in medicine is often used as an emollient to promote suppuration. Sept. { 2. A. ROSEA. Cav. (Alcea rosea. Linn.) Hollyhock. — St. erect, hairy ; lvs. cordate, 5 — 7-angled, rugose ; /s. axillary, sessile. — Q Native of China 1 A tall plant, very commonly cultivated in gardens. Numerous varieties have been noticed, with single, double, and semi-double flowers, of various shades of coloring, as white, rose-colored, flesh-colored, dark red, and even a purplish black, purple, yellow, straw-color, &c. f 3. A. FiciFOLiA. Cav. (Alcea ficifolia. Linn.) rig-leaved Hollyhock. — St. erect, hairy ; lvs. palmate, 7-lobed beyond the middle, lobes oblong, obtuse, an- gularly toothed. — Native of Levant. Stem tali as the above. Flowers orange- colored, t 5. HIBISCUS. Calyx 5-cleft, surrounded by a many-leaved involucel ; stigmas 5 ; capsule 5-celled ; cells several-seeded. 1. H. MoscHEUTos. T. & G. (H. Moscheutos and palustris. Linn.) Marsh Hibiscus. Herbaceous, simple, erect; lvs. ovate, obtusely dentate, hoary-tomen- tose beneath ; ped. long, axillary, or connected with the petiole. — Tj. A tall, showy plant, in brackish marshes by the sea or near salt springs, and on wet prairies, U. S. and Can. Stem round, downy, 4 — 6f high. Leaves 4 — 6' by 3 — i', often with two lateral lobes. Flowers larger than those of the holly- hock, rose-colored, purple, in the centre. Peduncles usually distinct from the petiole, often some of them united with it, and jointed above the middle. Styles 1' longer than the stamens. Aug. p. (H. incanus, Wc7idl 1) Ms. larger ; pet. (4—5' long) of a light sulphur- yellow with a purple base. Marshes, Indiana ! 2. H. ViRGiNicus. Virgi7iian Hibiscus. Lvs. acuminate, cordate-ovate, serrate-dentate, upper and lower ones un- divided, middle ones 3-lobed ; ped. axillary, and in terminal racemes ; fls. nod- ding ; pistils declinate. — % Marshes near the sea, L. I. to Ga. The whole plant scabrous-tomentose, about 3f high. Leaves 2 — 2j' by IJ', some of them some- what 3-lobed. Flowers 2 — 3' diam., red or rose-color. Capsule hispid, acute- angled. Aug. 3. H. MiLiTARis. Cav. Halbert-leaved Hibiscus. Glabrous; lvs. hastately 3-lobed, lobes acuminate, serrate; cor. tubular- campanulate ; caps, smooth, ovoid-acuminate. — Middle and Western States. Stem 3 — 4f high. Leaves cordate at base, 4 or 5' long, rendered somewhat hastate by a small lobe each side at base. Petals flesh-color, with a purplish base, 2 — 3' long. Peduncles with the joint above the middle. Jl. Aug. 4. H. Manihot. Hand-leaved Hibiscus. Not prickly ; lvs. palmately divided into 5—7 linear, acuminate, coarse- ly dentate lobes •, ped. and involucel hispid ; bracts of the involucel 5 — 7, ovate or lanceolate, acutish, persistent, entire ; cal. split on one side ; capsule densely hirsute, acuminate. — %. Western States. A beautiful herb, 4 — 5f high. Leaves cordate, lobes 6 — 10' long, J — IJ' wide, separated to near the base, about as long as the petioles. Teeth largest near the summit. The flowers are of an ex- ceedingly rich sulphur-yellow ; purple in the centre. Petals 3--4' long. Jl. Aug. 5. H. cocciNEUs. Walt. (H. speciosus. Ait. and \st. edit.) Scarlet Hibis- cus.— Very smooth; lvs. palmate, 5-parted; kbes lanceolate, acuminate, remote- ly serrate above ; cor. expanding ; cap. smooth, ovoid. — Tj. A splendid flower, uative of damp soils, in Georgia, &c., and is raised from seeds in our gardens'. SiDA. XXXVII. MALVACEAE. 209 Root perennial. Stem herbaceous, 5 — Of high. Segments of the leaves 6' long, very acuminate. Flowers of a bright carmine red. Petals slender at the base, 4 — 5' long. Column still longer, slender and terete. Jl. — Oct. -j- 6. H. GRANDiFLORUS. Michx. Grcat-Jlov:ering Hibiscus. — Lvs. cordate, 3- lobed, coriaceous, tomentose, hoary beneath ; car. expanding; cap.";, tomentose, truncated. — %. Southern States. Stems 5 — 7f high. Leaves and flowers very large, the latter, when expanded, nearly a foot in diameter. Petals flesh-color- ed, red at the base. Jl. — Oct. f 7. H. Syriacus. Syrian Hibiscus. — Lvs. cuneiform, ovate, 3-lobed, dentate ; pedicels scarcely longer than the petiole ; i/tvoliiccl about 8-leaved. — A beauti- ful, hardy, free-flowering shrub, from Syria, 5 — lOf high. Flowers purple. There are varieties with white, red and striped flowers, both single and double, f 8. H. Trio.v'UM. Flower of an Hour. — L/vs. dentate, lower undivided, upper 3-parted, lobes lanceolate, middle one very long; col. inflated, membranaceous, veined. — ® From Italy. An exceedingly beautiful flower, branching, 1 — 2f high. Flowers large, numerous, but soon withering. Petals of a rich chlorine yellow, the base of a deep brown, f (Fig. 41, 1.) 9. H. EscuLENTUs. Edible Hibiscus or Okro. — Lvs. cordate, 5-lobcd, obtuse, dentate ; petiole longer than the flower ; involucel about 5-leaved, caducous. — Na- tive of W. Indies. Plant herbaceous, 2 — 3f high, nearly glabrous. Petiole with a hairy line on the upper side, nearly If in length. Lamina 8 — 10' broad. The flowers 1 — 2' long, on a short peduncle. Petals greenish-yellow. The large, mucilaginous pods are used for pickles, cr served up with butter. 6. MALOPE. Calyx surrounded by a 3-leaved involucel ; carpels irregularly ag- gregated, 1 -seeded. M. MALACOiDES. "Z/1'5. ovate, crenate; slip, oblong-linear; ped. axillary, l-flowered. — ® Penn. Muh'. Stem 1 — Uf high, sparingly branched, clothed with white hairs above. Leaves hairy on the veins beneath, nearly glabrous above. Petioles r long. Bracteoles setaceous. Carpels hispid, in a depressed, globular head. Petals yellow." Torrey cf' Gray suppose it may prove a species of Malva. 7. ABUTIlON. Dill. Calyx 5-cleft, without an involucel, often angular ; ovaries 5, many- seeded ; styles many-cleft ; capsule of 5 or more carpels, arranged circularly, each l-celled, 1 — 3-seeded. A. AvicEN>fiE. (Sida Abutilon. Linn.) Indian Mallow. Lvs. roundish-cordate, acuminate, dentate, velvet3'^-tomentose ; ped. shorter than the petiole, solitary; carpels about 15, 3-seeded, inflated, truncate, 2-beaked. — (1) Native in both Indies and naturalized in most of the states, inhabiting waste places, &c. Stem branched, 3 — If high. Leaves 4 — 6' diam., deeply cordate at base, abruptly acuminate at apex, very soft and velvety at surface. Flowers yellow, near 1' broad. Jl. § 8. SIDA. Calyx 5-cleft, without an involucel, ovary 5 — many-celled ; cap- sule of 5 or more 1-seeded carpels ; radicle superior. 1. S. SPINOSA. St. rigid, branched, minutely pubescent ; lvs. ovate-lanceolate, serrate, with a spinose tubercle at the base of the petiole; slip, setaceous; /s. axillary; carpels birostrate.— ® Sandy fields and roadsides, Middle, Southern and West- ern States ! Plant bushy, 'S— IG' high. Leaves 9—15" long, J as wide, most- ly obtuse at each end. Petals yellow, obovate, of short duration. Jl. Aug. 2. S. Nap.ea. Cav. (Napaea Isevi.s. Linn.) SI. slender, glabrous; lis. palmately 5-lobed, nearly glabrous, lobes ob- long-linear, acuminate, coarsely toothed; ped. many-flowered; carpels 10, acu- 210 XXXVIII. TILIACE^. Tilia. rainate. — % Shady places, Penn. to Ohio! Stems angular, 3 — 5f high. Leaves on short petioles, cordate, lobes 2 — 4' long, J — }' wide, floral leaves much smal- . ler. Peduncles axillary and terminal, long and slender, somewhat leafy, the divisions 1 — 4-flowered. Flowers 4 — 5" diam. Petals white, twice as long as the calyx. Aug. 3. S. DioiCA. Cav. (Napaea dioica and scabra. Linn.) Jjvs. palmately 7 — 9-lobed, scabrous, lobes lanceolate, incisely dentate ; ped. many-flowered, bracteate, somewhat corymbose ; fis. 9 J* ; carpels 8 — 10, pointless, in a roundish, depressed head. — % Va., Penn. MiMenberg. Flowers small, white, in a crowded head. Aug. Order XXXVIII. TILIACE^.— Lindenblooms. Trees or shrubs, (very rarely herbs,) with simple, stipulate, alternate, dentate leaves. Fls. axillary, usually perfect. Cai.— Sepals 4 — 5, deciciuou8, valvate in EPstivation. Cor.— Petals 4—5, hyiHjgynous, glands 4—5, at their base. Sta. 00, distinct, hypogynous. Anthers versatile. Ora.— Carpels 2—10, urjited. Style 1, compound. Stigmas as many aa carpels. Fr. capsular, 2 — 5 celled, with numerous seeds. Cotyledons leafy. Genera 35, species 350, native in all regions, but especially within the tropics. These plants abound in a wholesome, mucilaginous juice. The inner bark is remarkable for toughness, and is usefvtl for various purposes, as fishing-lines, nets, rice-bags, &c. TILIA. Calyx of 5 united sepals, colored ; corolla of 5 oblong, obtuse petals, crenate at apex ; stamens 00, somewhat polyadelphous, each set in the N. American species with a petaloid scale (nectary, Limi., trans- formed stamen, T. t^ G.) attached at base; ovary superior, 5-celled, cells 2-ovuled ; capsules globose, by abortion 1 -celled, 1 — 2-seeded. — Trees. Lvs. cordate. Fls. cymose., icith the pedmide adnate to the mid- vein of a large., leaf-like bract. 1. T. Americana. Linden or Lwie IVec. Bass-wood. Pumpkin-wood. Lvs. alternate, diffuse, broad-cordate, abruptly acuminate, finely serrate, coriaceous, smooth ; pet. truncate or obtuse at apex. — A common forest tree in the Northern and Middle States. It often grows to the height of 80f, the trunk straight and naked more than half this height, and 2 — 3f diam. Leaves 4 — 5' by 3 — 4', those of the young shoots often twice these dimensions. Bract yel- lowish, linear-oblong. Petals yellowish-white, larger than the scales at their base. Fruit woody, greenish, of the size of peas. Jn. — The inner bark is very strong and is manufactured into ropes. The wood is white, soft and clear, much used in cabinet work and in the panneling of carriages. 2. T. HETEROPHYLLA. Vcut. Various-lcaved Linden. Lvs. obliquely subcordate, very white and velvety beneath, with darker veins, glabrous, shining and dark green above, coarsely and mucronately ser- rate ; pel. obtuse, crenulate ; transformed stamens or scales spatulate ; sty. hairy at base, longer than the petals.— Banks of the Ohio and Miss. Pursh. Not common. Tree 20 — 30f high. Leaves very oblique at base, 5 — 8' diam., well distinguished by the white surface beneath, contrasted with the purplish veins. Torr. (^ Gray. 3. T. ALBA. Michx. White Lime or Linden. Lvs. obliquely-cordate, abruptly acuminate, whitish and thinly pubescent beneath, -with veins of the same hue, glabrous above, acuminately serrate; pet. emarginate; scales spatulate; sty. nearly glabrous. — Woods, Middle and West- ern States ! Trunk 30 — 40f high, 1 — l|f diam., branches with a smooth, silvery bark. Leaves 3 — 5' diam., slightly oblique, and with reddish hairs in the axils of the veins beneath. Flowers larger and whiter than in the other species. Jn. 4. T. MicROPHYLLA. (T. intermedia. Hayne.) European Lime-tree. — Lvs. cordate, scarcely oblique, acuminate, glabrous both sides, twice as long as the petioles ; axils of the veiiis bearded beneath ; staminate scale 0 ; fr. membrana- ViTis. XLI. VITACEiE. 211 ceous, oblong, unequal, '2-seeded. — Native of Northern Europe. Trunk 40f high, with a pyramidal head. Jn. — Aug. -j- Order XLI. VI T AC E..E.— Grape-vines. SftruJj climbing by tendrils, with tumid, separable joints. Lvs. simple or compound, the loweropiiosile, upper alternate. FiS. racemose, often polygamous ordicucious. Cal. minute, nearly entire oi aioothed. land caducous. Cor.— Petals 4—5, inserted on the out^side of the disk, val vate and inflexed in teat., often cohering above Sta. 4—5, opposite the petals, iiiserted on the di.sk. Ova. superior, 2 celled. SHjle 1, very short. Fruit a berry, globose, pulpy. Seeds bony. Genera 7. species 260. natives of the warmer part.s of both hemispheres. The grape fruit is the only important production of this order. The aciil of the grape is tartaric. It contains a sugar which difl'ers from the common sugar in coutaitiing a smaller quantity of carbon. GcTicra, Torus elevated into a ring surrounding the ovary. Leaves cordate, &c Vitla. I Torus without a ring. Leaves digitately 5-foliate Ampeloptls. a 1. VITIS. Celtic gwi/d, a tree or shrub. Petals deciduous, cohering at the top, or distinct and spreading ; ovary partly enclosed within the torus, 2-celled ; cells 2-ovuled ; stigma sessile, capitate ; berry 1 -celled, 1 — 4-seeded. — Fed. often changed into tendrils. 1. V. Labrusca. Lvs. broad cordate, an,s:ular-lobed, tomentose beneath. — This vine is na- tive through the U. S., growing in woods and groves. Like most of the N. American species, the flowers are dicEcious. Stem woody, rough-barked, ascending trees often to a great height, and hanging like cables suspended from the branches. Leaves very large, somewhat 3-lobed, at first white-downy be- neath. Flowers small, green, in panicles with a leaf opposite. Fruit large, purple, often green or red. It is valued in cultivation for its deep shade in summer arbors, and its fruit which is pleasant in taste. The Isabella, and other sorts known in gardens, are varieties of this species. ;): 2. V. coRDiFOLiA. Mx. (V. vulpina. Linn.) Frost Grape. Winter Grape. Lvs. cordate, acuminate, .somewhat equally toothed, smooth on both sides; roc. loose, many-flowered; berries small. — Grows in thickets, by rivers, &c., ascending shrubs and trees to the height of 10 — "iOf. Leaves large, mem- branous, often 3-lobed, with pubescent veins when young, and with a lew mucronate teeth. Berries nearly black, rather small, late, acid, but well fla- vored after frosts of November. Jn. 3. V. .ESTIVALIS. Lvs. broadly cordate, 3 — 5-lobed or palmate-sinuate, coarsely dentate, with scattered, ferruginous hairs heneath; fertile rac. long, panicled; berries small. — Grows in woods, by rivers, &c. Stem very long, slender, climbing, with very large leaves, which are sometimes with deep, rounded sinuses, clothed beneath when young, with arachnoid, rust-colored pubescence. Ten- drils Irom the peduncles which are dense flowered, and with a leaf opposite. Petals cohering at summit. Berries deep blue, well flavored, but small, ripe in September. Flowers in June. 4. V. RiPARiA. Michx. Winter Grape. Lvs. incisely dentate, somewhat 3-lobed : the petioles, veins and margins pubescent; berries small, in loose racemes. — Grows in thickets, on river banks, «S£C., Can. to Va., W. to Ark. Vine 15— 30f long. Leaves large, as long as wide, with coarse, unequal, acuminate teeth. Fruit dark-purple. 5. V. vi.MFERA. Common Wine Grape.— Lvs. cordate, sinuately 5-lobed, glabrous or tomentose ; /.f. all 5 .—Naturalized in nearly all temperate climates, but supposed not to be indigenous to this country. No plant in the vegetable kingdom possesses more interesting attributes, is cultivated with greater care, or, let me add, has been worse perverted or abused by mankind, than the com- 212 XLll. ACERACEiE. Acer. mon vine. By cultivation it sports into endless varieties, differing in the form, color, size, and flavor of the fruit, and in respect to the hardiness of its consti- tution. In N. England its cultivation is chiefly confined to the garden and as a dessert fruit; but there are extensive vineyards in the Middle and Western States, for the production of wine. The vine is propagated by cuttings. Va- rieties without end may be raised from the seed, which will bear fruit the fourth or fifth year. A vineyard, it is said, will continue to produce fruit for 200 years. 2. AMPELOPSIS. Michx. Gr. afi-rreXoi, a vine, o^is, appearance; from its resemblance. Calyx entire ; petals 5, distinct, spreading ; ovary 2-celled, cells 2-ovuled ; style very short ; berry 2-celled, cells 1 — 2-seeded. A. QUINdUEFOLIA. Lis. quinate, digitate ; //?,<;. oblong, acuminate, petiolate, dentate, smooth. — A vigorous climber, found wild in woods and thickets. It has long been cul- tivated as a covering for walls, and is best known by the name of Woodbine. By means of its radicating tendrils, it supports itself firmly upon trees, ascend- ing to the height of 50f In the same manner it ascends and overspreads walls and buildings. The large, quinate leaves constitute a luxuriant foliage of dark, glossy green. Flowers inconspicuous, greenish, in dichotomous clusters. Ber- ries dark blue, smaller than peas, acid. Jl. Order XLII. ACER ACE ^.—Maples. TreRS or shrubs with opposite, usually simple and palmate-veined leaves. Stipules 0. F/s. often polygamous, in axillary corymbs or racemes. Ca?.— Sepals 5, rarely 4—9, more or less united, colored, imbricate in EEstivation. Cor.— Petals 5, rarely 4—9, hypogynous ; sometimes o. Sta. hypogynous, 3 — 12, usually 8. Anthers introrseor versatile. Ova. Z-lobed, compounded of 2 united carpels. Ft. a double samara with opposite wings, thickened at the lower edges. Genera 3, species 60. The sap of several species of the Maple yields sugar by evaporation. Genera. Flowers mostly polygamous. Leaves simple Acer. I Flowers dicBcious. Leaves compound, pinnate. , . . . Negttndo. S 1. ACER. Moench. Lat. acer, sharp, vigorous ; the wood was anciently manufactured into weapons of war. Calyx 5-eleft; corolla 5-petaled or 0; stamens 8 ; styles 2; sama- 133 2, winged, united at base, by abortion 1 -seeded. — Lvs. simple. § Flowers corymbose, (^c. Trees. 1. A. RUBRUM. Red Maple. Swamp Maple. Lvs. palmately 5-lobed, cordate at base, unequally and incisely toothed, the sinuses acute, glaucous beneath ; Jis. aggregate, about 5 together, on rather long pedicels ; ova. smooth. — The red maple is a common tenant of low woods and swamps throughout the Atlantic States. It is a tree somewhat above the middle size. The trunk is covered with a smooth bark, marked with large, white .spots, becoming dark with age. In spring, the appearance of the tree is remarkable for the deep crimson flowers with which it is thickly clothed. Each bud produces a fascicle of about 5 flowers. Stamens much exserted. The fer- tile flowers are succeeded by a red fruit, furnished with a pair of wings resem- bling those of some insect. The wood is hard and compact, and is much used in cabinet work, particularly that well-known and handsome variety called curled maple. Mar. Apr. 2. A. DASYCARPUM. Ehrh. (A. eriocarpum. Mr.) White Maple. Lvs. palmately 5-lobed, truncated at base, unequally and incisly toothed, with obtuse sinuses, white and smooth beneath; Jls. in crowded, simple umbels, with short pedicels and downy ovaries. — This species much resembles the last, but its leaves are larger, and the winged fruit is also larger than that of the red maple or of any of the following species. It is a tall tree, 50f in height, not uncommon in the N. England forests. The flowers are of a yellowish green Neoundo. XLIl. ACERACEjE. 213 color, as also the fruit. The wood is white, softer and less esteemed than that of other species. The sap yields sugar in smaller proportion than the sugar maple. 3. A. SACCHARlNUM. Sugar Maple. Rock Maple. Lis. palmatcly 5-lobed, subcordate at base, acuminate, remotely toothed, with rounded and shallow sinuses, glaucous beneath ; Jls. pedunculate, pendu- lous.— This fine tree is found throughout U. S., but most abundant in the primi- tive soils of N. England, constituting the greater part of some of its Ibrests. It is a tree of lofty proportions, 70f in height, with a trunk Sfdiam. The bark is of a light-gray color, rough and scaly. The branches become numerous and finely ramified in open situations, and in summer are clothed with a foliage of uncommon luxuriance and beauty, on which account it is more extensively cultivated as a shade tree than any other, not even excepting the majestic and favorite elm. Maple sugar, perhaps the most delicious of all sweets, is mostly the product of this species. An ordinary tree will yield 5 — 10 pounds in a sea- son. The wood is very strong and compact, and niakes the best of fuel. It is sometimes curled like the red maple, but oftener presents that beautilul ar- rangement of fibre, called bird's-eye maple, which is highly esteemed in cabinet- work. The flowers are exceedingly abundant, and, suspended on long, thread- like pedicels, are most delicately beautiful. Apr. 4. A. NIGRUM. Mich. f. Black Maple. Sugar TVee. Lis. palmately 5-lobcd, cordate, M'ith the sinus closed, lobes divaricate, sinuate-dentate, paler beneath, with the veins beneath and petioles pubescent ; Jls. corymbose, on long, .slender pedicels ; fr. glabrous, turgid at base, the wings diverging. — A large tree, in mountainous situations, Vt. to la. ! Resembles the last, but is distinct. Robbius., Tally. Trunk 30 — 50f high, with a shaggy bark. Leaves 3 — 5' diam., dark-green above, the 2 inferior lobes much smaller. Flowers pendulous, on long peduncles, yellowish. Fruit with wings 1' in length, pale-yellow, and more diverging "than in A. saccharinum. The sap, like the last mentioned tree, yields sugar abundantly. Apr. § § Flowers in racemes. Mostly shrubs. 5. A. Pen'n.sylvakicum. (A. .striatum. Lam.) Striped Maple. Whistle-wood. Lvs. with 3 acuminate lobes, rounded at base, sharply denticulate, smooth ; roc. simple, pendulous. — A small tree or shrub 10 — I5f high. Can. to Ga., and Ky., but most abundant in our northern woods. The bark is smooth, and beau- tifully striped length-wise with green and black. Flowers large, yellowish- green, succeeded by long clusters of fruit, with pale-green wings. The smaller branches are straight and smooth, easily separated from the bark in spring, and are often manufactured by the boys into certain wind instruments. Hence it is called M-histle-wood. In Europe it is prized in ornamental gardening. May. 6. A. spiCATCM. Lam. Movntain Maple Bush-. Lvs. about 5-lobed, acute, dentate, pubescent beneath; rac. erect, com- pound.— A shrub of smaller stature than the last, found in mountain or hilly woods throughout the country. The bark is a light gray. Leaves small, rough, divided into 3 or 5 lobes, which are somewhat pointed, with large, sharp teeth, and more or less cordate at base. Flowers greenish, numerous and minute, in cylindric, oblong, clo.se, branched clusters, becoming pendulous with the winged fruit. Jn. 7. A. Pseudo-Platancs. Sycamore. — Lvs. cordate, 5-lobed, glabrous and glaucous beneath, segments or lobes acute, unequally dentate ; Jls. in long, pendulous racemes; samara glabrous. — Native of Northern Europe. An orna- mental tree, 40 — 50f high, with very large, dark green leaves. A beautiful variety with striped leaves is also cultivated. Apr. May. -f 2. NEGUNDO. Moench. Flowers 9 c? ; corolla 0 ; 9 flowers racemed, J* fascicled ; calyx, stamens and fruit as in the last genus. — Leaves compound, pinnately 3 — 5-foliate. 214 XLIII. HIPPOCASTANACEiE. iEscuLus. N. ACERoiDEs. Mosnch. (Acer Negundo. Linn.) Ash-leaved Maple. Box Elder. Lvs. ternate and 5-pinnate ; Ifts. ovate, acuminate, remotely and une- qually dentate ; 9 racemes long and" pendulous, barren fls. corymbose ; fr. ob- long, with large wings dilated upwards.— A handsome tree, 20— 30f in height, with irregular, spreading branches, growing in woods. The trunk is a foot or more in diameter, and when young, covered with a smooth, yellowish-green bark. Leaflets serrated above the middle, petiolate, the terminal one largest, all slightly pubescent. Wings of the samara approximate, broadest towards the end. Apr. Order XLIII. HIPPOCASTANACE^.— Buckeyes. Trees or shrubs. Leaves opposite, rarely alternate, compound, without stipules. Fls. showy, with the pedicels articulated. Cal. campanulale, of 5 united sepals Cor. — Petals 5, (one of them sometimes abortive,) unequal, hypogynous. Sta. 6 — 8, distinct, unequal, inserted upon a disk with the petals. Ova. roundish, 3-cornered, Scelled, crowned with a single, fililorm, conical style. Pr. roundish, coriaceous, with 1—3 large, roundish, smooth seeds. Genera 3, native of N. America and Northern India. The species are generally ornamental trees, with astringent properties residing in the bark. The seeds contain much starch, and are nutritive but bitter. Only the following genus is found in the Northern States, and even this is not indigenous in N. Eng. MSCtJhVS. Calyx campanulate or tubular, 5-lobed ; corolla irregular, 4 — 5- petaled ; stamens, ovary and fruit, as expressed in the order. — Trees, with palmately 5 — 7-foliale leaves. Flowers in thyrse-like panicles. 1. M. GLABRA. Willd. (Pavia pallida. Spa.ch. P. Ohiensis. Mickz.) Ohio Buckeye. Lfts. 5, oval or oblong, acuminate, serrate or serrulate; fls. in lax, thyr- soid panicles; car. 4-petaled, .spreading, with the claws as long as the calyx; sta. longer than the corolla ; fr. echinate. — A small, ill-scented tree, along the banks of the Ohio and its tributaries. Leaflets 3 — 6' long, i as wide, .subsessile, or abruptly contracted at base to short stalks. Flowers yellowish-white, small, slightly irregular. Fruit about f ' diam. 2. M. FLAVA. Ait. (Pavia flava. DC.) Big Biixkcye. Sweet Buckeye. Lfts. 5 — 7, oblong-ovate or elliptic-ovate, acuminate, serrulate, pubescent beneath; fls. in thyrsoid, pubescent panicles, about 6 on each division of the peduncle ; cat. campanulate, not half the length of the corolla ; pet. very unequal, connivent, longer than the stamens; fr. unarmed. — A large tree, 30-^70f high, common in the Western and Southern States. Leaflets 4—7', by 1 — 3'. Flowers pale yellow. Fruit globose, uneven on the surface, but not prickly, 2 — 2i' diam, with 1 or 2 large brown .seeds. Apr. May. 3. JEa. pavia. (Pavia rubra. Lam.) Small Bvckeye. — Lfls. 5, oblong-lan- ceolate, cuneate at base, abruptly and shortly acuminate, "finely serrate; _/25. very irregular, in a lax, thyrsoid raceme, pet. 4, erect, as long as the stamens.— A beautiful shrub, 6 — lOf high, native of the Southern States. Flowers large, red, glabrous. Apr. May. f 4. M. PARviFLoRA, Walt. (jE. machrostachya. Mlch.r.) native at the South, a beautiful shrub, with numerous small, white flowers, in a long, slender, thyr- soid raceme, is rarely cultivated. 5. JEi. HiPPOCASTANDM. Hmsc Chcstmit. — Z/r.s. digitate, of 7 obovate leaflets ; pet. 5; spreading;//-, prickly. — A noble tree, justly admired for its majestic proportions, and for the beauty of its foliage and flowers. It is a native of the north of Asia, but is now known throughout Europe and in this country, and is a frequent ornament of courts and avenues. It is of rapid growth, and attains the height of 40 or 50f In June it puts forth numerous pyramidal racemes or thyrses of flowers, of pink and white, finely contrasting with the dark green of its massy foliage. The leaves are digitate, with 7 obovate, acute, serrate leaf- lets. The fruit is large, mahoganv-colored, and eaten onlv bv deer. CELASTRCa XLV. CELASTRACEiE. 215 Order XLIV. SAPINDACE^.— Soapworts. JYeea, shrubs or herbs, the latter furnished with tendrils. Lv3. alternate, usually compound and without stipules. Flu. small, usually iiolygamous. Sep. 4—5, distinct, imbricated in aestivation. Cor.— Petals as many as the sepals, sometimes 1 less, (or rarely wanting,) inserted outside the hypoey- S!a. 8 or lu ; fil. distinct ; anth introrsc. liious disk which ues at the bottom of the calyx. Ova. of 3 united carpels ; sly. partly or completely united. Fr. u 3-celled capsule or samara, or often Heshy and indehiscent, Sds. 1—3 in each cell, usually arilled, without albumen. CARDIOSPERMUM. Gr. Kapcta, heart, circpiia, seed; the globose seeds marked with a large, corAzfehilum. Sepals 4, the 2 outer smallest ; petals 4, each with an emarginate scale above the base ; the 2 lower remote from the stamens, their scales crested ; glands of the disk 2, opposite the lower petals ; sta- mens 8, unequal ; style trifid ; capsule membranous, inflated. — Climb- ing herbs with bilernate leaves. Lower pair of pedicels changed to tendrils. C. Haliacabum. Heart-seed. Dallco-n-vhie. Plant nearly glabrous ; leajlets ovate-lanceolate, incisely lobed and den- tate ; fruit pyrilbrm-globose, large, bladder-like. — Native on the Missouri and its branches. Torr. ^ Gr. Naturalized in the W. States. Mead. A curious vine, 4 — 6f in length, with remarkably large, inflated, membranous capsules. Jl. "I- Order XLV. CELASTRACE^.— Staff-trees. S/iruts, or rarely trees, with oppo.site or alternate leaves. Fls. not always perfect. Co/.— Sepals 4—5, united at base, imbricated. [which surrounda the ovary. Cor. — Petals as many as sepals, inserted by a broad base under the margin of the flat, expanded disk Sta. as many as the petals and alternate with them, inserted on the margin of the disk. Ova. superior, immersed in and adhering to the disk. Fr. a capsule or berry. Seeds either with or without an arillus. Genera 27, species 274, chiefly native of the temperate zone of both hemispherea. They possess acrid and bitter properties, sometimes emetic and stimulant. Geiiera. J compound (ternate) Staphylea. l < opposite, < simple Etionymut. 3 Shrubs with leaves I alternate, simple Celaslrus. 2 Tribe 1. STAPHYLE^. Leaves pinnate, opposite. Seeds not ariled. Cotyledons thick. 1. STAPHYLEA. A Greek word, meaning a cluster of grapes ; from the form of the fructification. Fls. $ ; calyx of 5, colored, persistent sepals ; petals and stamens 5 ; styles 3 ; capsules 2 — 3, membranous and inflated. S. TRiFOLiA. Bladder-nut. Lis. ternate ; ra^. pendulous ; pet. ciliate below ; fr. ovate. — A handsome shrub, 6 — 8f high, in moist woods and thickets. Can. to Car. and Tenn. Leal- lets oval-acuminate, serrate, pale beneath, with scattered hairs. Flowers white, in a short, drooping raceme. The most remarkable feature of the plant is its large, inflated capsules, which are 3-sided, 3-parted at top, 3-celled, containing several hard, small nuts or seeds, with a bony, smooth and polished testa. May. Tribe 2. EUOXYMEJ3. Leaves simple. Seeds usually ariled. Cotyledons leafy. 2. CELASTRUS. Flowers sometimes polygamous ; calyx flat, of 5 united sepals ; co- rolla spreading, of 5 sessile petals ; capsule subglobose, or 3-angled, 3-celled; seeds with an arillus, 1 — 2 in each cell. — Climbiiig shrubs., with deciduous leaves., and minute., deciduous stipules. C. scANDENs. Staff-tree. * Unarmed; st. woodv, twining; Irs. oblong, acuminate ."lerrate ; roc. ter- 19 216 XL VI. RHAMNACEiE. Rhimnto. minal; fis. dioecious. — A climbing shrub in woods and thickets, the stems twining about other trees or each other, ascending to a great height. Leaves alternate, stipulate, petiolate, smooth. Flowers in small racemes, greenish- white. Seeds covered with a scarlet aril, and contained in a 3-valved capsule, continuing upon the stem through the winter. Jn. 3. E U O N "$■ M U S. Calyx flat, of 5, (sometimes 4 or 6) united sepals ; corolla flat, m- serted on the outer margin of a glandular disk ; stamens 5, with short filaments ; capsule colored, 5-angled, 5-celled, 5-valved ; seeds ariled. — Shrubs, erect or trailing, with opposite leaves. 1. E. ATROPURPUREus. Jacq. Spindle Th-ee. Burning Bush. Brandies smooth ; Ivs. elliptic-lanceolate, acuminate, finely serrate, puberulent beneath ; ped. compressed, many-flowered ; fls. usually pentamerous. — A smooth shrub, 4 — lOf high, in shady woods, U. S. E. of the Miss. Leaves 2 — 5' long, i as wide, mostly acute at base, on petioles \ — 1' long. Peduncles op- posite, slender, 1—2*' long, each with a cyme of 3—6 flowers. Corolla dark- purple, about 2^" diam. Capsule crimson, smooth. Seeds covered in a bright red aril. Jn. 2. E. Americanus. Burning Bush. Branches smooth, 4-angled ; Its. oval and elliptic-lanceolate, subentire at margin, acuminate, acute or obtuse at apex, smooth ; j)cd. round, about 3-flow- ered; fls. mostly pentamerous.— Shrub of smaller size than the preceding, with small leaves, in moist woods, U. S. and Can. Leaves a— 2' long, ^ as wide, coriaceous. Pedimcles longer than the leaves, 2, 3, or 4-flowered. Flowers a little larger than in No. 1, yellow and pink, the parts in 3s, 4s or 5s. Capsule dark red, warty. Seeds with a bright red aril. Jn. 3. E. EuROP^EUS.— Zyi'5. oblong-lanceolate, serrate, glabrous; ped. com- pressed, 3-flowered ; fl.s. usually tetrandrous.— Native of Europe. A handsome shrub, 4 — 12f high, sometimes found in shrubberies, although certainly not su- perior in elegance to E. Americanus. May — Jl. Order XLVI. PtHAMNACE^.— Buckthorns. Shruhs or trees, often spiny. Leaves simple, alternate. Stipules minute or 0. Fls. small, axillary or terminal, greenish, sometimes dicccioua. Ca/.— Sepals 4 or 5, united at base, valvate in fpstivation. Cor.— Petals 4 or 5, distnict, cucullate or convolute, inserted into the orifice of the calyx, sometimes 0. Sta. opposite the petals, 4 or 5. Ova. superior, or half superior, with an erect ovale in eaeh cell. Pr. a capsule, drupe or berry. Genera 42, species 250, distributed throughout all countries, e.xcept those in the frigid zones. Many are native of the U. States. Ceanothus is peculiar to N. America. Poperties.—The berries of many species of Rhamnus are violent purgatives. The Zizyphus Jujubn, yields the wellknown jujube paste of the shops. The leaves of Ceanothus have been used as a sub- stitute for tea. Genera. Calyx free from the ovary ; petals plane ; flowers minute Rhamnus. 1 Calyx adherent to the ovary at base ; petals unguiculate Ceanotnus. 2 1. RHAMNUS. Calyx urceolate, 4 — 5-cleft ; petals 4 — 5, emarginate, inserted upon the calyx ; ovary free, 2 — 4-celled ; styles 2 — 4, more or less united ; fruit drupaceous. 3 — 4-seeded. — Small trees or shrubs. Lvs. mostly alternate. Fls. minute. 1. R. cATHARTicus. Buckthom. Shrub erect, with thorny branches ; tvs. ovate, doubly serrate ; fl.s. tetran- drous, 9 5 d^ and 9 c?, fasicled; fr. subglobose, 4-seeded.— A shrub, 10— 15f high, in mountains and woods, Mass. and N. Y., rare. Leaves nearly smooth, 1_2' long, i as wide, in crowded clusters at the ends of the branchlets. Flowers small, numerous, green. Sepals reflexed, petals entire. Fruit black, globose, and with the inner bark, powerfully cathartic. This shrub is sometimes used lor hedges. \ XLVII. LEGUMINOS^. 217 2. R. ALN-iFOLius. L'Her. (R. Iranguloides. Michx.) Alder-leaved Buckthorn. Shrub erect, with unarmed branches; Zt-x. oval, acuminate, serrate, pu- bescent on the veins beneath ; fcd. aggregate, 1-flowercd ; /.>-. mostly pen'tan- drous ; cal. acute ; shj. 3, united, very short ; //-. turbinate, black. — A shrub 2 4f high, common in rough pastures and hills, Penn. to Can. Leaves 1 3' long J as wide, acute at base. Flowers mostly apetalous. Berries about as large as currants, black, 3-seeded. May, Jn. 2. C F, A N O T H U S. Calyx tubular, campanulate, 5-cleft. separating transversely after flowering ; petals 5, saccate-arched, with long claws ; stamens mostly exserted ; style mostly 3-cleft ; capsule obtusely triangular, 3-celled, 3-seeded, surrounded at base by the persistent tube of the calyx. > Shrubby and thornless. 1. C. Americanus. Jersey Tea. Red-root. I/vs. oblong-ovate, serrate, 3-veined; panicles axillary, elongated.— A small shrub, with a profusion of white blossoms, found in woods and groves, U. S. Very abundant on the barrens at the West. Stems 2 — 4f high, slender' with reddisli, round, smooth branches. Leaves thrice as long as broad, very downy, with soft hairs beneath. Flowers minute, white, in crowded panicles from the axils of the upper leaves. Stamens enclosed in the cm-iously vaulted corolla. The root, which is large and red, is sometimes used for coloring. The leaves have been used as a substitute for tea. Jn. 2. C. ovALis. Bw. Oval-kavcd Ceanothiis. Lis. oval-lanceolate, with glandular serratures, 3-veined, veins pubescent • beneath ; thyrse corymbose, abbreviated. — Burlington, Vt., Rvbbins, W. to Mich. Shrub 2-— 3f high. Leaves smooth and shining, 1 — 3' long, \ — h as wide most- ly acute at each end, crenately serrate, the serratures tipped with black', glan- dular points. Thyrse short, almost hemispherical, IJ' diam. Flowers white larger than those of the last. May. ' Order XLVII. LEGUMINOS^.— Leguminous Plants. Herbs, shrubs or trees. Lvs. alternate, usually compound, margins entire. Stipules 2, at the tumid base of the petiole. Stipels commonly 2. Cal. — Sepals generally 5, more or less united, often unequal. Cor. — Petals 5. either papilionaceous or regular, perigynous. Sta. diadelphous, monadelphous or distinct. Antliets versatile. Ova. superior, single and simple. Stijle and stigma simple. Pr. a legume, either continuous (1 celled), or (a lament) jointed into 1-seeded cells. Sd.s. solitary or several, destitute of albumen. The genera and species of this vast order were estimated by Mr. Bentham, in 1843, as follows Suborder 1. Papilionacea;, 350 genera, 4800 species. " 2. Cacsalpineae, 88 " 700 " " 3. Mimoseae, 29 " looo " Total, 467 " 6500 " Geography.— The Leguminoseae are distributed throughout all lands, with the exception of a few unimportant islands, from the equator to either of the frigid zones. Of its 6500 species now known, about 350 are natives of the United States and Territories. Properties.— 'No family of the vegetable kingdom po.ssesses a higher claim to the attention of the naturalist than the LeguminosEB, whether we regard them as objects of ornament or utility. Of the former we might mention the splendid varieties of Cersis, with their purple flowers, the Acacias, with their airj' foliage and silky stamen.^, the pride of India, Colulea and Ca^salpina, with a host of others, which, like the sweet pea, are redolent with perfume. Of the latter, the beans, ptas, Itntiis, cluvur and lucerne, are too well known to require particular commendation. Among timber trees tlu' Knscwood (a Brazilian species of Mimosa), the Laburnum, whose wood is durable and of an olive-green color, and the locust (Robinia) of our own country, are preeminent? The following are a few of the important officinal products of this order. In medicine : liquorice is the product of the root of Glycyrrhiza glabra of S. Europe. The purgative senna conaists of the leaves of Cassia senna, C. acutifolia, C. jEthiopica and other species of Egypt and Arabia. C. Marjlandica is also a cathartic, but more mild than the former. The sweet pulp tamariml, is the product of a large and beautiful tree {Tamarindus Indica) of the E. and W. Indies. Resins and balsams : Gum Senegal is yielded by Acacia Verek of the river Senegal ; Gum Arabic, by several sjtecies of Acncia of Central Africa; Gi/m Tragacijnth, by Astragalus verus, A-c, of Persia. Balsam Copaiva is the product of several species of Copaifera, natives of Brazil and W. India ; liaham Tohi of Myosperraum toluiferum, of Peni, and balsam Peru of M. peruiferum of the same country. Dyes, &c. -. Indigo, the most valuable of all. (but a violent poison,) is the product of several southern species of Indigof6ra,as I. anil of the W. Indies, and I. argentea of Egypt. Brazil-wood, from Ca?salpina Braziliensis. Log-mood from Hsmatoxy- ten Campeachianum.of Campeachv.nnd Red iandol-irond [rom Plcrocarpuspantalinusof Egypl,&c.,&c. 21B XLVll. LEGUMINOStE. FIG. 43. — 1. Lath3Tus odoratus. 2. The stamens, the upper one free, and with the style, turned upwards. 3. The legume. 4. A seed, showing the embryo with the two large cotyledons. 5. Hedysa- rum boreale, a leaf and jointed legumes (loments). 6. One of the joints open, showing the seed. 7. TrifoUum pratense. 8. The legume and part of the calyx. 9. Section of the seed. 10. A flower enlarged. Conspectus of the Genera. * Corolla papilionaceous. i turgid, 00-seeded, f Legumes ( i-seeded. (00 E 1-celled. [ sub-2-celled. i Stem erect. ! St. twining. (•Herbs. f unequally. Leaves 1 ,>-..■..„=«. ^ut pinnate (.abruptly, . (not cirrhose. Phaca. a Astragalus. 21 Tephrosia. 13 Apios. 6 Petalostemon. 17 Dalea. 18 .S^chynormne. 25 Hedysarutn. 26 Coronilla. Colutea. Ainorpha. Wistaria. Robinia. Vicia. 24 compr's'd. [ Stamens 5. ! Stamens 10. . S Sta. 5 & 5. . J Fls. racemed. . . l Sta. 9 & 1. . LLoment 2— 10-jnt. (Flowers umbellate. . i Fls. yellow. [ Erect. . . ( Fls. blue. . < unarmed. . . ( Twining. Bracts colored. L Shrubs and trees, . . ( armed with stipular spines. . i Seeds oval. $ outside. . ( Sds. globose. Pisu'/n. . 5 Style villous ( inside, next the free sta. Lathyrus. J cirrhose. (Style glabrous Ervum. Stem erect § Vicia. I J Calyx bibracteolate. . Lespedeza. 1-seeded, indehiscent. . (Calyx naked. . . . Psoralea. 14 2-seeded. None of the flowers apetalous. . . Melilotus. 19 2-seeded in the apetalous flowers AmpMcarpma. 10 S Keel and sta. circinate. Phaseoliis. 5 5 Cal.S-toothed ( Keel long-clawed, . . Clitoria. 9 00-seeded. (Calyx 4-toothed Galactia. 8 , \ i 2 jointed and one-seeded Stylosanthes. 23 r pinnately. ( Loment ( several jointed, several-seeded Dcsmodium. 27 I \ Leg. falcate or spiral. . Medicago. 20 S Stamens diadelph. (9ft 1.) (Leg. included in cal. . Trifolium. 18 { Stamens lo, distinct, equal. Baptisia. 33 taburnum. 32 i Herbs Crotalaria. 30 i Shrubs Genista. 29 Leaves simple. . . . ( Trees ... Cercis. »4 leaves palmately S-ls foliate Uipimu. SI 28 Leaves (Herbs. 8-foliate (.palmately. (Trees. Lathtrus. XLVII. LEGUMINOSiE. Mf ♦ ♦ Corolla not papilionaceous. \ Unarmed and frlubrous DarlingtonUi. 40 ( Corolla regular. ( Armed with uncinate spines Schrmikia. 39 Herbs. (Corolla irregular Cassia, SS Shrubs. Corolla ret'ular Mimosa. 38 ( unarmed. GymnocladUl. 3fl Trees J armed with triple spines Gleditschia. 31 Suborder 1. PAPIIjIONACEJB. Petals papilionaceous, imbricate in aestivation, the upper one exter- nal. Stamens mostly 10 and diadelphous. 1. LATHlfRUS. Calyx campanulate, the 2 upper sepals shortest ; stamens 10, dia- delphous (9 and 1) ; style flat, dilated above, ascending, bent at a right angle with the ovary, pubescent or villous along the inside next the free stamen ; legume oblong, several-seeded. — Herbaceous, mostly climbing. Jbvs abruptly pinnate, of 1 — several pairs ofleajiets. Petioles prodwced into tendrils. Peds. axillary. 1. L. vENosus. Muhl. St. 4-cornered, naked ; dips, semi-sagittate, lanceolate, very small ; ped. 8 — 16-flowered, shorter than the leaves; Ifts. 5 — 7 pairs, somewhat alternate, obtusish, mucronate. — % In shady grounds. Can. and U. S. Stem erect, 2 — 3f high, mostly smooth. Leaflets 1§ — 2' long. Pedmicles axillary, many-flow- ered, aboutthe length of the leaves. Corolla purple. Legumes flat and nar- roAv. Jn. Jl. 2. L. ocHROLKUcus. Hook. (L. glaucifolius. Beck.) St. slender; pcd. 7 — 10-flowered, shorter than the leaves; upper segments of the calyx truncate, angular ; Ifls. about 3 pairs, broadly ovate ; stip. semi-cor- date.— % A small, delicate species, very rare, in shady places and on river banks, N. J. to Wise. ! N. to the Aictic circle. Stem 2 — 3f long, leaning or climbing on other plants. Leaflets 1 — li' long, | as wide, larger than the stipules. Pe- duncles axillary, shorter than the leaves. Corolla yellowish-white (ochroleu- cous.) Jn. Jl. 3. L. PALUSTRis. Marsh Lathyrus. St. winged ; stip. semi-sagittate, large, ovate, mucronate ; Ifis. in 2 pairs, oblong-ovate, mucronate ; ped. 3— 5-flowered, larger than the leaves. — % A slen- der climber, found in wet meadows and thickets, N. Eng. to Or. Stem slender, square, broadly winged at the angles, supported by the tendrils. Leaves pin- Date-cirrhose, leaflets broad or narrow-ovate. Flowers drooping, rather large, variegated with blue and purple. Jn. Jl. 4. L. MARiTiMus. Bw. (Pisum maritimum. Ph.) Beach Pea. St. quadrangular, compressed; petioles flat above; stip. sagittate; Ifts. numerous, subalternate, ovate ; pcd. many-flowered. — A pale green, creeping plant, resembling the common pea, foimd on sandy shores, N. Y. to Lab., W. to Or. Stem rigid, 1 — 2f in length. Stipules connate. Leaves ending in a branching tendril, the lower pairs of leaflets largest. Flowers large, blue. Pod hairy. May — July. 5. L. MYRTIFOLIUS. Muhl. St. quadrangular, winged, weak andflexuous; stip. semi-sagittate, ovate- lanceolate, acuminate ; Ifts. 2 pairs, oblong-lanceolate, acute, mucronate, vein- less ; ped. longer than the leaves, 4 — 5-flowered.— t; A little climber, on river banks. Can. to Md. Rnbbins. Stem about 3f long. Leaflets 1—2' long, i as wide. Flowers pale purple. Jl. Aug. 6. L. LATiFOLius. Everlasting Pea.— Pcd. many-flowered ; Ifls. 2, lanceolate ; joints membranous, winged.— 1j. A very showy plant lor gardens and arbors, native of England. Stein Gf long, climbing, winged between the joints. Flow- ers large, pink, clustered on a peduncle 6 — 10' in length. Jl. Aug. 7. L. ODOR ATI'S. Sweet Pea.— Pcd. 2-flowcred; tfts. 2, ovate-oblong; leg. 19* 220 XLVII. LEGUMINOS^. Vicia, nirsute. — (J) A well known garden flower, native of Sicily. The flowers ap- pear in June, are large, variegated with red and white. Very fragrant. 8. L. SATlvus. Chick Pea. — Peduncles 1-flowered; Ifts. 2 — 4; leg. ovate, compressed, with 2 winged margins at the back. — (J) Native of S. Europe, where it has been sometimes cultivated for food ; but it proves to be a slow poison both to man and beast, producing ultimately entire helplessness, by rendering the limbs rigid, but without pain. 2. VICIA. Celtic gwig, whence Gr. 0ikiov, Lat. vicia, Fr. vesce, and Eng. vetch. Calyx tubular, with the 3 inferior segments straight and longer than the 2 above; vexillum emarginate ; stamens 10, diadelphous (9 and 1) ; style filiform, bent at right angles with the ovary, villous "beneath the stigma on the outside (next the keel) ; legume oblong, several-seeded. — Herbaceous, mostly climbing. Leaves abruptly pin- nate, with several pairs of leaflets and a branching tendril. Peduncles axillary. 1. V. Americana. Muhl. American Vetch. Smooth ; ped. 4— 8-flowered, shorter than the leaves ; slip, semi-sagittate, deeply dentate ; Ifts. 10 — 14, elliptic-lanceolate, obtuse, mucronate, veined, some- what alternate ; legumes oblong-linear, compressed, reticulated. — N. Y. W. to the R. Mts. Stems slender, 1— 3f long. Leaflets 1' by 5", subsessile. Flow- ers blue or purple. Lower calyx teeth broad-lanceolate, much longer than the 2 upper. Style very hairy at the summit. May. 2. V. Caroliniana. Walt. Carolinian Vetch. Ped. many-flowered ; fis. distant ; teeth of the calyx shorter than the tube, the two upper very short; sty. hairy at the summit; Ifts. 8 — 12, linear-oblong, smoothish ; leg. not reticulated, oblong.— Woods and river banks. A slender climber, 4 — Gf long. Leaflets about 8" by 2—3". Flowers pale-blue, the ban- ner tipped with deep purple. May. 3. V. cracca. Thifted Vetch. Fls. in imbricated spikes; Ifts. lanceolate, pubescent; slip, semi-sagit- tate, linear- subulate, entire. — A slender climber, 2 — 3f long, about fences, hedges, thickets, &c., lat. 39° to Can. Stem square, downy. Leaves of many pairs of downy, mucronate leaflets, with a branched tendril at the end of the principal stalk. Leaflets 6 — 8" by 2— 3", petiolulate. Flowers blue and purple, in a long, dense, one-sided raceme. July. 4. V. tetrasperma. Loisel. (V. pusilla. Muhl. Ervtmi. Linn.) Slen- der Vetch. Ped. about 2-flowered ; calyx teeth lanceolate, shorter than the tube ; leg. smooth, 4-seeded ; Ifts. 4 — 6, small, linear ; stip. lanceolate, semi-sagittate.— 3) Slender and delicate plants, banks of streams, &c., Can. to Penn. Stems al- most filiform, 1— 2f long. Leaflets 5 — 10" by 1", acute or obtuse. Flowers very small, bluish-white, on filiform peduncles. Legumes 4 — 6" long, 4, some- times 5-seeded. Jl. 5. V. sATivA. Common Vetch. Tares. Fls. solitary or in pairs, subsessile ; Ifts. 10 — 12, oblong-obovate, often linear, retuse, mucronate ; stip. semi-sagittate, subdentate, dotted ; leg. .erect, roundish, reticulated, smooth.—® A slender, climbing plant, found in cultivat- ed fields, introduced from Europe. Stem decumbent or climbing, 2— 3f long. Leaflets 8 — 12" by 1 — 4", lower ones near the base of the petiole. Flowers pale purple, half as long as the leaves. Legumes 1—2' long. Jn. § 6. V. Faba. Willd. (Faba vulgaris. Moench.) Coffee Bean. Windsor Bean, ^c. — St. rigidly erect, with axillary, m.any-flowered racemes; Ifts. 2 — 4, oval, entire, mucronate or acute ; tendrils obsolete ; stip. semi-sagittate, dentate at base.— Native of Egrpt. This species is frequently found in gardens, but not so much admired as formerly for the table. Stem simple, 1— 2f high. Flowers Phaseolus. XLVII. LEGUMINOS^. 221 white, with a large black spot on each of the alae. Legume torulose. Seeds very large, with the large hilum at one end. (See Fig. 19, 1, 2.) t 3. ERVUM. Calyx deeply 5-cleft, the segments acute, linear, and nearly equal, about the length of the corolla ; stigma capitate, smooth ; style fili- form ; legume oblong, 2 — 4-seeded. — ® Lvs. abruptly pinnate, of many leaflets and a terminal tendril. E. niRsuTCM. Hairy or Creeping Vetch. Lf/s. linear, truncate, mucronate; sfip. semi-sagittate, narrow; ped. 3 — C-flowercd, shorter than the leaves; leg. hirsute, 2-.seeded. — A creeping weed in cultivated fields, N. Y. to S. Car. Stem very slender, 1 — 3f long. Leaflets 8 — 20, 4:— 8" long, hardly 1" wide, broadest above. Peduncles axillary, 3 — 6- flowered. Calyx segments rather shorter than the bluish-white corolla. Le- gumes short, with roundish, compressed brown seeds. Jn. ^1 4. P I S U M. Celtic pi», Lat. pisum, Eng. pea, Fr. yoM. Calyx segments leafy, the upper 2 shortest ; vexillum large, re- flexed ; stamens 10, diadelphous (9 and 1); style compressed, cari- nate, villous on the upper side ; legume oblong, tumid, many-seeded ; seeds globose, with an orbicular hilum. — Herbaceous, climbing. Lvs. abruptly pinnate, ending zvit/i, branching tendrils. P. SATIVUM. Common Garden Pea. — Lfts. ovate, entire, usually 4; sttp. ovate, serai-cordate at base, crenate ; ped. several-flowered. — (I) One of the most valuable of leguminous plants, smooth and glaucous. Stem 2 — 5f long, nearly simple, climbing by tendrils. Leaflets 2 — 3' long, § as wide, obtuse, mucronate. Stipules rather larger than the leaflets. Flowers 2 or more, on ax- illary peduncles, large, white. This plant has been cultivated from time im- memorial, so that its native country is unknown. There are many varieties. Jn. X 5. PHASEOLUS. Lat. phasclus, a little boat ; which the pods may be said to resemble. Calyx sub-bilabiate, upper lip 2-toothed, lower 3-toothed ; keel with the stamens and style spirally twisted ; legume compressed and fal- cate, or cylindric, many-seeded ; seeds compressed, reniform. — Her- baceous, twilling or trailing. Lvs. pinnately trifoliate: Lfts. stipellate. 1. P. DIVERSIFOLIUS. PCrS. Sf. prostrate, difluse, scabrous with recurved hairs; //?.•;. angular, 2 — 3- lobed or entire ; ped. longer than the leaf, few-flowered ; louder tooth of the cal. longer than the tube ; kg. pubescent, broadly linear, cylindric. — ® A creeping or climbing plant, 3 — 5f long, on sandy shores and prairies, Can. and U. S. Leaflets 1 — 2' long, | as wide, with .scattered hairs beneath, often variously and very obtusely lobed. Peduncles 2 — 8-flowered, 3 — 6' long. Corolla pur- plish. Legumes become black when ripe, 5 — 7-seeded. Aug. — Oct. 2. P. iiELvoLus. (and P. vexillatus. Limi.) St. slender, twining; lfts. between oblong-ovate and linear, entire; ped. slender, several times longer than the leaves, few-flowered; leg. straight, cylin- dric, 8— 10-seeded.— 'i; Sandy fields, N. Y. to Flor. and La. Stem 3— 5f long. Leaflets 1—2' by i— 1'. Peduncles 4- -8' long; 4— 7-flowered. Calyx with 2 bracts at base. Corolla purplish, vexillum large, roundish. Legume 2 — 3' long, very narrow, subfalcate. Aug. Sept. 3. P. PERENNis. Walt. Wild Bean Vine. Twining, pubescent; rac. paniculate, mostly in pairs, axillary; lfts. ovate, acuminate, 3-veined ; leg. pendulous, falcate, broad-mucronate. — % A slender, twining vine, in dry woods, Can. and U. S., common. Stem 4— 7f long, somewhat branching. Leaflets IJ — 3j' long, } — equal width; terminal 2*22 XLVII. LEGUMINOS^. Wistaria. one often subcordate, lateral ones unequally enlarged at base outside, under surface scabrous. Racemes 1 — 3 together, 6 — 12' long, loose, oiten unfruitful. Corolla purple and violet. Legume about 2' long, J' wide, with compressed, renifcrm, dark purple seeds. July, Aug. 4. P. LEiospERMUs. Torr. & Gray. St. slender, retrorsely hirsute ; Z/?s. linear-oblong, not lobed, as long as the petiole, hirsute and reticulated on both surfaces ; slip, subulate ; ped. much lon- ger than the leaves ; hds. few-flowered ; leg. very hirsute, about 5-seeded. T. cf- G. abr. — Prairies, 111., Mead. Also Ark. and La. Stem 2 — 4f long, prostrate. Leaflets 1 — 2' by 3 — 5". Pods about 1' long, \ as wide. Aug. 5. P. VULGARIS. Pole Bean. Kidney Bean. String Bean. — St. twining; Ifts. ovate-acuminate ; roc. solitary, shorter than the leaves ; pedicels in pairs ; cal. as short as its 2 bracts at base ; kg. pendulous, long-mucronate ; seed reniform, variously, often brightly colored. — (T) Native of E. Indies. Universally culti- vated in gardens, not only for the mature fruit, but for the young pods, which constitute that favorite dish called string beaiis. Stem 5 — 8f long, twining against the sun. Flowers mostly white. July. 6. P. MULTiFLORUs. Scarlet Pole Bean. — St. twining ; Ifts. ovate-acute ; rac. solitary, as long as the leaves ; jtedicels opposite ; cal. longer than the 2 appressed bracts at base; leg. pendulous; seeds reniform. — (T) Native of S.America. Stem 6 — lOf long, twining against the sun. Flowers scarlet, numerous and very brilliant. Fruit not so generally admired as the last. July. 7. P. LUNATUs. Lima Bean. — St. twining; Ifts. ovate, deltoid, acute; rac. shorter than the leaves ; ped. in pairs ; cal. longer than its 2 bracts at base ; Us. scimetar-shaped, or somewhat lunate ; seeds large, much compressed, purplish- white. — Native of E. Indies. Stem 6 — 8f long. Flowers small, whitish. Much valued and cultivated. July. 8. P. NANDs. Dvmrf Kidney Bean. Bvsh Bean. IVhii-e Field Bean. — St. smooth, very branching, erect ; Ifts. broad-ovate, acute ; cal. shorter than its 2 bracts at base ; leg. pendulous, compressed, rugose. — (T) Native of India. Stem If high. Flowers white. Seeds white, small, but there are many varieties. Much cultivated. June. 6. APIOS. Cr. name for the wild pear, which the root resembles in form. Calyx catapanulate, obscurely bilabiate, tbe upper lip of 2 very sbort, rounded teeth, the 2 lateral teeth nearly obsolete, the lower one acute and elongated ; keel falcate, pushing back the broad, pli- cate vexillum at top ; ovary sheathed at base. — % Twining, smooth. Root bearing edible tubers. Leaves pinnately 5 — 7-foliaic. A. TUBER6.SA. Ph. (Glycine Apios. Linn.) Oromid Nut. St. twining ; lis. pinnate, of 7 ovate-lanceolate leaflets ; rac. shorter than the leaves. — Thickets and shady woods, Can. and U. S., twining about other plants. Stem round, 2 — 4f in length. Leaves rather numerous, each consist- ing of 3 (rarely 2) pairs of leaflets and an odd, terminal one. These are ovate, narrow, more or less pointed, smooth, on short pedicels. Racemes axillary, solitary, 1 — 3' long, crowded. Flowers dark purple. To the root are appended oval, fleshy tubers, which are very nutritious, and would perhaps be cultivated had we not the potato. Jl., Aug. 7. WISTARIA. Nutt. In memory of Caspar Wistar, M. D., President of Am. Phil. Soc. Calyx bilabiate, upper lip emarginate, the lower one 3 sub-equal teeth ; vexillum with 2 callosities ascending the claw and separating above ; wings and keel falcate, the former adhering at top ; legume torulose : seeds many, reniform. — Twining.^ shrubby plants.^ with pin- nate leaves. Rac. large, with large, colored bracts. Fls. lilac-colored. Amphicarp^ia. XLVII. LEGUMINOSiE. 223 1. W PRUTEscEvs. DC. (W. speciosa. Nutt. Glycine frutescens. Linn ) St. pubescent when young, at length glabrous ; Ifts. 9—13 ovate or el- hptic-lancfolate, acute, sub-pubescent; in-ni;s with 2 'auricles at base- ma glabrous.— An ornamental, vigorous vine, in'rich alluvion. Southern and West- ern States. Stems .several yards long, climbing over bushes, &c. Leaflets 1 2' by J— 1'. Flowers nearly as large as those of the sweet pea, numerous in racemes 3—6 or 8' long, sheathed in very conspicuous bracts. Seeds spotted Apr. May. f ^ 2. W. coNSEauANA. Bcnth. Chinese Wistaiia.—Lfts. 9—13, ovate-lanceolate silky-pubescent; roc. terminal, nodding, loosely man3'-flowered. — A splendid flowering vine from China. Stem of rapid growth, 12f or more in length. Flowers in long, pendulous clusters. May. in. ■\ 8, GALACTIA. Gr. yaXa, milk : alliuling to the juice of some of the species. Calyx bibracteolate, 4-cleft, the segments of nearly equal length, upper one broadest ; pet. oblong : vexillum broadest and incumbent ; keel petals slightly cohering at top. — Herbs prostrate or iwi?iing, some- times shrubby. Lvs. ^innately trifoliate. Rac. axillary. 1. G. GLABELI-A. Michx. St. mostly prostrate, nearly glabrous; If/s. elliptic-oblong, emarginate at each end, sub-coriaceous, shining above, a little hairy beneath; rac. peduncu- late, about the length of the leaves; Jls. pedicellate. — In arid soils, N. J. to Flor. Stem 2 — 4f long. Leaflets 10 — 20" by 5—10", varying in form from elliptic through oblong to ovate. Flowers rather large, reddish-piu-ple, greenish exter- nally. Aug. Sept. 2. G. MOLLIS. Michx. St. mostly twining, softly pubescent; Ifts. oval, obtuse, nearly smooth above, softly villose and whitish beneath ; rac'. longer than the leaves, pedun- culate, fasciculate ; fs. on very short pedicels ; leg. villose. — Dry soils, Md. to Ga. Stem several leet long. Leaflets about 1' long, | as wide. "Flowers about half as large as in the last. Aug. 9. CLITORIA. Calyx bibracteolate, tubular, 5-toothed, segments acuminate ; vexil- lum large, spreading, roundish, emarginate ; keel smaller than the wings, acute, on long claws ; legume linear-oblong, torulose, many- seeded. — % Mostly tiriniiig. Lvs. pi?inately 3 — 5foliate. Fls. very large., solitary or several together. C. Mariana. Glabrous ; st. suberect or twining, suflJhiticose ; Ifts. 3, oblong-ovate or lanceolate, obtuse, lateral ones petiolulate ; ped. short, 1 — 3-flowered ; bracteoles and bracts very short ; leg. torulose, 3 — 4-seeded. — Dry soils, N. J. ! to Flor. Stem 1 — 3f long, round, slender, branched. Leaflets rather remote, about 1' by J'. Corolla pale blue, 2 — 2i' in length, calyx |', bracteoles 2". Jl. Aug. 10. AMPHICARP^A. Ell. Gr. aficpi, around, Kopiros, fruit; in reference to the ovary sheathed at base. Calyx tubular, campanulate, 4-toothed (or 5-toothed, the upper 2 united) with nearly equal segments; petals oblong; vexillum with the sides appressed ; stigma capitate ; ovary on a sheathed stipe ; legume flat, 2 — 4-seeded. — ® Slender., twining. Lvs. pinnately trifo- liate. The upper fls. complete, but usually barren, the lower apetalous and fruitful. A. MONOiCA. Nutt. (Glycine monoica. Linn.) Pea Vine. St. hairy; Ifts. ovate, acute, smooth; rac. of the stem with pendulous. 224 XLVII. LEGUMlNOSiE. Tephrosia. petaliferous, barren flowers ; radical fed. with apetalous, fertile flowers. — A very slender vine, in woods and thickets, Can. and U. S. Stem twining, rough backwards, 4 — 8f in length. Leaflets veiy thin, 1 — 3' long, f as wide, lateral ones oblique at base. Racemes axillary, few-flowered. Flowers pale purple. Cauline legumes sraoothish, with 3 — 4 dark purple seeds. Radical legumes often subterraneous, with one large, compressed, brown seed. Jl. — Sept. 11. ROBINIA. In memory of John Robin, lierbulist to Louis XIV. Calyx short, campanulate, 5-eleft, the 2 upper segments more or less coherent ; vexillum large ; aloe obtuse ; stamens diadelphous (9 & 1) ; style bearded inside ; legume compressed, elongated, many- seeded. — Trees and shrubs with stipular spines. Lvs. unequally pin- nate. Fls. showy., in axillary racemes. 1. R. PsEUDACAciA. Loc'ust. Tree. Branches armed with stipular prickles; Ifts. ovate and oblong-ovate; roc. pendulous, smooth, as well as the legumes. — Native in Penn. and the more Southern and Western States, and abundantly naturalized in N. Eng. In the durability, hardness and lightness of its timber, and the beauty of its foliage and flowers, it is exceeded % few trees of the American forest. West of the Alleghanies it sometimes attains the height of 80f with a diameter of 3 or 4. In N. England it seldom exceeds half these dimensions. The pinnate leaves have a beautiful symmetry of form, each composed of 8 — 12 pairs of leaflets, with one at the end. These are oval, thin, nearly sessile, and very smooth. Flowers in numerous, pendulous clusters, diff'using an agreeable fragrance. Pod nan-ow, flat, with 5 or 6 small brown seeds. When young, the tree is armed with thorns which disappear in its maturity. May. 2. R. viscosA. Vent. Clammy Locust. — Sli'pular spines very short; branch- leU, petioles and leg. glandular-viscid; Ifts. ovate; rac. crowded. — This beauti- ful tree is from the South, where it attains the height of 40f The flowers numerous, rose-colored, in erect, axillary clusters, with the thick, dark green foliage, render this tree one of the most brilliant ornaments of the park or the garden. Apr. 3. R. HispiDA. Rose Acacia. — Stipular spines almost wanting ; sAn2(> XLVII. LEGUMINOSjE. Trifolium. Irom the stem, petiolules scarcely 2" long. Spicaie racemes terminal, solitary or fascicled, 3—4' long. Vexillum purple, emarginate. Jn. 2. A. CANEscENs. Nutt. Lead Plant. Suffruticose and canescently villose ; Ifts. small, numerous, and crowded, ovate-elliptical, subsessile, mucronate ; &fikcs aggregate ; /s. subsessile ; cal. teeth equal, ovate, acute ; vex. bright blue ; leg. 1-seeded.— A beautiful species, 2 — if high, in dry, sandy soils! Wis. to La. and Rocky Mts., and is supposed to prefer localities of lead ore. Leaves 2 — 3' long. Leaflets coriaceous, 16 — 24 pairs, obtuse at base, 4—6" by 1—2". Spikes 2 — 3' long. Jl. Aug. 16. DALE A. In honor of Thomas Dcile, an English botanist of the last century. Calyx subequally cleft or toothed ; petals unguiculate, claws of the wings and keel adnata to the staminate tube half way up ; vexillum free, the limb cordate ; stamens 10, united into a cleft tube ; ovary 2- ovuled ; legume enclosed in the calyx, indehiscent, 1-seeded. — Mostly herbaceous and glandular -punctate. Lvs. odd-phmate. Stipels 0, stipules minute, setaceous. Spikes mostly dense. D. ALOPEcuRoiDEs. Willd. (D. LinnEei. Michx. Petalostemon. Ph.) Glabrous and much branched ; Ifts. 8 — 14 pairs, linear-oval, obtuse or retuse, mucronate, punctate beneath ; spikes pedunculate, oblong-cylindric, ter- minal, silky ; bracts about equaling the acuminate segments of the calyx. — ® Prairies and bottoms, 111. ! Mo., Car. Plant about 2f high, bushy and leafy and pale green. Leaflets not more than 4" by 1", sessile, and nearly in mutual contact. Spikes 1 — 2' long. Vexillum white, wings and keel pale violet. 17. PETALOSTEMON. Michx. Alluding to the union of the petals and stamens. Calyx 5-toothed, nearly equal ; petals 5, on filiform claws, 4 of them nearly equal, alternate with the stamens and united with the staminate tube ; stamens 5, monadelphous ; tube cleft ; legume 1- seeded. indehiscent, included in the calyx. — % Lvs. unequally pinnate, ex-stipellate. Fls. in dense, pedwiculate, terminal spikes or heads. 1. P. CANDIDUM. Michx. (Dalea. Willi.) Glabrous, erect ; Ifls. 7 — 9, all sessile, linear-lanceolate, mucronate, glandular beneath ; spikes on long peduncles ; bracts setaceous ; vex. broadly cordate, the other petals ovate. — A fine-looking plant, in dry prairies Southern and Western States ! Stem 2 — 4f high, sparingly branched, slender. Leaflets 9 — 18" by 3 — 5", terminal one largest. Flowers small, Avhite, crowded in dense spikes which are 1 — 3' long. Jl. 2. P. viOLACEUM. Michx. (Dalea. Willd.) Minutely pubescent, erect; Ifts. 5, linear, glandular beneath; spikes pedunculate, oblong or subglobose ; vex. cordate, the other petals oblong, obtuse at base. — A beautiful plant, of similar habits with the last. Stem slender, stri- ate, subsimple, IJ— 2f high. Leaflets about 1' by 1", all sessile. Spikes 1—8, very dense, J— IJ' long. Petals of a bright violet purple. Jl. Aug. 18. TRIFOLIUM. Tourn. Gr. TpKpvWov, (three-leaved); Lat. trifolhtm; Fr. trefle; Eng. trefoil. Calyx tubular or campanulate, 5-toothed, persistent ; petals more or less united at the base, withering : vexillum reflesed ; alie oblong, shorter than the vexillum; carina shorter than the aire : stamens 10, diadelphous (9 & 1); legume short, membranous, mostly indehiscent, covered by and scarcely longer than the calyx, 2 — 4-seeded ; seeds roundish. — Herbs. Lvs. palmately trifoliate ; Ifts. loith straight, scarcely reticulated veins. Flnioers in dense heads nr spikes. Tripolium. XLVII. LEGUMINOS^. 237 * Heads not invducrate. FloKcrs pedicellate, deflexed u-hen old. 1. T. REPEXS. Creeping OT White Clover or Trefoil. Shamrock. St. creeping, diffuse; Ifts. obcordale, denticulate; stip. narrow, scarious; hds. subumbellate, on verj' long, axillary peduncles ; kg. about 4-seeded ; cal. teeth shorter than the tube. — % In all soils, mountainous, meadow or rocky, throughout ><. Am. Stems several from the same root, extending 6 — 12', root- ing at the joints. Pedimcle angular, much longer than the leaves. Flowers white. May — Sep. — Highly valued for pasturage. 2. T. REFLEXCM. Buffalo Clover. Pubescent ; ascending or procumbent ; Ifts. obovate or oblong-obovate, serrulate, some of them emarginate; stip. leafy, semi-cordate; hds. many-flow- ered; leg. about 4-seeded — H.! Prairies and meadows, Western! and Southern States. "Stem 8—16' high. Leaflets subsessile, 7 — 8" by 4r-5"; petioles 1—2' long. Heads large and handsome. Pedimcles 1 — 3' long. Vexillum rose- red. Apr. — Jn. 3. T. STOLONIFERCM. Muhl. Running Bit ffolo Clovcr. Glabrous, creeping ; branches axillary, ascending, short ; Ifts. broadly obcordate, denticulate ; slip, leafy, ovate-lanceolate, acuminate ; jls. loose, um- bellate-capitate ; kg. about 2-seeded. — % Fields and woods. Western States ! , Stems 6 — 12' long, several together. Branches 3 — 4' high, generally with one 'head, which is 1' diam. Leaflets 6 — 10' by 5 — 9". Flowers white, erect, but in fruit all reflexed. May, Jn. * ♦ Heads not inrolucrate. Flowers never deflexed nor yellow. 4. T. ARVEXSE. Hare's-foot Trefoil. Hds. cylindrical, verj' hairy ; calyx teeth setaceous, longer than the corol- la; Ifts. narrow-obovate, — (J) Alow plant, abundant in dry, sandj' fields. Stems much branched, round, hairy, 6 — 12' high. Leaves hairy, on short petioles, of 3 narrow leaflets, i — 1' long. Stipules ovate-lanceolate, acute, often red. Heads of white or pale red flowers, spiked, J — li' long, very soft and downy, the slender, equal calyx teeth being densely fringed with fine, silky, reddish hairs, and projecting far beyond the corolla. Jl. Aug. Common in N. Eng. 5. T. PRATEXSE. Common Red Clover. (Fig. 43, 7.) Spikes dense ; sts. ascending ; cors. unequal ; loicer tooth of the calyx lon- ger than the four others, which are equal ; Ifts. oval, entire.— {§) This" is the common red clover, so extensively cultivated 'in grass lands, with herds-grass (^Phlcum pratensc) and other grasses, and olten alone. Stems several from the same root, hairy. Leaves ternate, the leaflets ovate, lighter colored in the cen- tre, entire and nearly smooth. Stipules ovate, mucronate. Flowers red, in short, ovate spikes or heads, sweet-scented. Corollas monopetalous. Flowers all summer. ^ 6. T. MEDIUM. Zig-Zag Clover. St. suberect, branching, 'flexuous, nearly glabrous ; Ifts. oblong or ellipti- cal, subentire ; stip. lanceolate, acuminate; hds. of fis. ovoid-globose, peduncu- late ; cal. t^eth setaceous, hairy. — % In meadows, Danvers, Mass. Oakes. Heads of flowers larger than in T. pratense. Corollas deep purple. Leaves of a imi- fonn green. ^ 7. T. ixcARXATL-M. Mesh-colored Clover. — S/. erect; flexuous • Z/fc. ovate- orbicular, obtuse or obcordate, sessile, crenate, villous ; spikes dense, oblong, obtuse, leafless ; cal. teeth setaceous, villous. — (i) A fine species from Italy, oc- casionally cultivated as a border flower, and has been proposed (Z>/-. Dewey, Rep. Herb. PI. Mass.) for cultivation as a valuable plant for hay. * * * Heads not involucrate. Flowers never defkxed, yellow. 8. T. PR0cu>rEEXs. Yellow Clovcr or Trefoil. St. procumbent or ascending ; Ifts. obovate-cuneate, or obovate-orbicular, obtuse or retuse, denticulate, terminal one petiolulate ; stip. ovate-lanceolate, acu- minate, much shorter than the petioles; hds. small, subglobose, on shortish pe- duncles ; cor. yellow ; sty. 3 or 4 times shorter than the 1-seeded legumes.— but insipid in Comamm. 13 I Compound fruit (116, 14, a) of many aggregate drupes. . Riibijs. 11 ^ (Lvs. simi)le or pinnate. Spirra. 21 I t2— 10-seeded ? Leaves trifolinte. . . Gillenia. 2-i fS — 60. L Follicles n-seeded. Shrub with simple Ivs. (Fls. double ) A>rr;a. 23 ( globose. Fr. glab. not glauc. Cerasits. l < 5 Fruit glabrous. Prumis. (nucleus smooth ( compr. ? Fruit pubescent. -■ J 1 only I < Fruit fleshy. . g ("naked, iFruitadrupe;' nucleus perforated and furrowed. ^ Fruit dry. a (Stamens 1—4. Lvs.palm. ^ '. oblong-oval and obovate, abruptl)' and strongly acuminate, doubly serrate; drupes roundish -oval, reddish-orange, with a thick, coriaceous skin. — Hedges and low woods, U. S. and Can., often cultivated for its .sweet, pleasant fruit, which is about the size of the damson. Shrub 10 — 15f high. Leaves 2 — 3' long, J as wide, petioles \ — i' long, mo.stly with 2 glands at the summit. Flowers preceding the leaves, 3^ — 4 in each of the numerous um- bels, white. Drupes nearly destitute of bloom, ripe in Aug. Flowers in May. ^ 2. P. INSITITIA. Wild Ijullace Tree. Lvs. ovate-lanceolate or oblanceolate, tapering to the petiole, acute, serrate, pubescent-villous beneath; branches aorac^xhsii ^^ymy ; Jls. naked, generally in pairs; cal. segments entire, obtuse ;^d. obovate ; /nii< globular. — A European shrub or small tree, 15 — 20f high, naturalised " on the banks of Charles River, in Cambridge, roadrsides at Cohasset, and other places in the vicinity of Bos- ton." Emerson, Rep. trees and shrubs of Mass. The leaves and flowers are from separate, but adjacent buds, the former 1 — li' long, with short petioles. Petals white. Fruit black, covered with a yellowish bloom. ^ 3. P. Maritima. Wang. (P. littoralis. Bw.') Beach Plum. Lis. oval or obovate, slightly acuminate, sharply serrate ; petioles with 2 glands ; umbels few-flowered ; pedicels short, pubescent ; Jr. nearly round. — A small shrub, abundant on the sea-beach, particularly on Plum Island ! at the mouth of Merrimac river. Very branching. Leaves 1 — 3' long, downy-canes- cent beneath when young, becoming at length nearly smooth. Flowers white, 2 — 5 in each of the numerous umbels. Fruit globular, eatable, red or purple, little inferior in size to the common garden plum, ripe in Aug., Sept. Fl. in May. 4. P. spiNOSA. Black T%orn. Sloe. — Branches ihomy; fis. solitary; c«Z. cam- panulate, lobes obtuse, longer than the tube ; lvs. pubescent beneath, obovate- elliptical, varying to ovate, sharply and doubly dentate ; drupe globose. — Hedge- rows and cultivated grounds, Penn. Pursh. A thorny shrub, 12 — 15f high, na- tive of Europe. ^ 5. P. Chicasa. Michx. (Cerasus. DC.^ Chickasaw Plum. — Branches spi- nose ; lvs. oblong-lanceolate or oblanceolate, glandular-serrulate, acute, nearly smooth ; umbels 2 — 3-flowered, pedicels short, smooth ; drupe globose. — A fine fruit-.shrub, native of Arkansas, &c., often. cultivated. Height 8 — 12f, with a bushy head. Leaves 1 — 2' long, ^ as wide, petioles about i' long. Flowers small, white, expanding with the leaves, in Apr. Fruit red, or yellowish-red, tender and succulent, ripe in July. There are several varieties. ;}• 6. P. DOMESTiCA. Common Garden Plum. Damson PI. — Branches unarmed ; Irs. oval or ovate-lanceolate, acute; pedicels nearly solitary; drupe globose, oval, ovoid and obovoid. — This long cultivated tree or shrub is said to be a native of Italy. It rarely exceeds 15f in height. Leaves quite variable in form, 1 — 3' .ong, I as wide, sometimes obtuse, on petioles about V in length. Flowers white, generally but one from a bud, expanding while the leaves are but half grown, in Apr.'and May. Fruit black, varying through many colors to white, covered with a rich glaucous bloom, ripe m Aug. About 150 varieties are pub- lished in the catalogues of American gardeners. :j: 242 XLVIII. ROSACEA. Amyodalus 3. ARMENlACA. Tourn. Named from Armenia, its native Country. Calyx 5-cleft, deciduous : petals 5 ; drupe succulent, pubescent ; nucleus compressed, smooth, margins sulcate, one obtuse and the other acute. — Small trees. Lvs. convoliue in cestivation. 1. A. vuLG.lRis. Lam. (Prunus Armeniaca. Wilid.) Common Apricot. — Lvs. broadly ovate, acuminate, subcordate at base, denticulate ; stij). palmate ; Jis. sessile, subsolitary, preceding the leaves; drupe somewhat compressed, subglo- bose, large. — Occasionally cultivated in gardens, &c. Tree 10 — 15f high. Leaves 2—3' long, f as wide, smooth, petioles nearly 2' long, with several glands. Flowers white, Apr. Fruit purplish-yellow, &c., 1 — 2' diam., ripe Jl. Aug. There are about 20 varieties, -j: 2. A. DASYCARPA. DC. (Prunus. Ekrh.) Black Apricot. — Lvs. ovate, acumi- nate, doubly serrate; petioles with 1 or 2 glands; Jls. pedicellate; drupe subglo- bose. — This species is from Siberia. The tree or shrub is about the size of the last, hardy and thrifty. Leaves smooth above, pubescent on the veins be- neath, 2 — 3' long, § as wide, on petioles near 1' long. Flowers white, preced- ing the leaves, distinctly pedicellate. Fruit dark purple when mature, in July. Fls. Apr. :[: Neither .species is yet common. 4. P E R S I C A. Tourn. Named from Persia, its native country. Calyx 5-cleft, tubular, deciduous ; petals 5 ; drupe fleshy, tomeu- tose or smooth ; nucleus somewhat compressed, ovate, acute, rugosely furrowed and perforated on the surface. — Small trees. Lvs. co/idupli- cate in (Estivation. \. P. VULGARIS. Mill. (Amygdalus Persica. IVilld.) Cnvimon Peach. — Lvs. lanceolate, serrate, with all the serratures acute ; Jls. solitary, subsessile, pre- ceding the leaves ; drupe tomentose. — Tree or shrub, 8 — 15f high. Leaves 3 — 5' long, \ as wide, smooth, petioles short, with 1 or 2 glands. Flowers rose-color, with the odor of Prussic acid. Fruit large, 1 — 2^' diam., yellowish, tinged with purple, densely tomentose. — About 200 varieties of this delicious fruit are now named and described in the catalogues of American nurserymen. In order to attain its proper flavor in the Northern States, the peach requires protection in the spring months. The double-flowered peach is a highly ornamental variety, blossoming in May. ij: 2. P. L.EVIS. (Amygdalus Persica. Willd.) Nectarine. — Lvs. lanceolate, ser- rate, the serratures all acute ; Jls. .solitary, subsessile, appearing before the leaves ; drupe glabrous. — Closely resembles the peach tree in tbrm, foliage and flowers. The fruit is 1 — 3' diam., smooth, yellow, purple, red, &c. Of its numerous (about 25^varieties, about a fourth are clingstones, — flesh adhering to the stone, and the remainder /;Testo?ics or ckarstones, — flesh free, or separating from the stone.:^ 5. AMYGDAlUS. Willd. Calyx 5-cleft, campanulate, deciduous ; petals 5 ; drupe not fleshy, compressed ; nucleus perforate and furrowed, ovate, compressed, one edge acute, the other broad-obtuse. — Trees or shrubs. Lvs. condupli- cate in ccstivatioyi. 1. A. commOnis. Willd. Almond. — Lvs. lanceolate, serrate, with the lower serratures glandular; jls. sessile, in pairs, appearing before the leaves. — From Barbary. Scarcely cultivated in this country for the fruit, which we receive most]y from S. Europe. A double-flowered variety is highly ornamental in shrubberies, f 2. A. NANA. Dwarf single-Jloinering Almond. — Lvs. ovate, attenuate at base, simply and finely serrate ; Jls. subsessile, appearing before the leaves. — A very ornamental shrub, from Russia. Height about 3f, branching. Leaves 3 — 6' long, i as wide, smooth, acuminate at each end. Flov/ers numerous. Petals oblong, obtuse, rose-colored, often double. May, Jn. f Crxt£qvs. XLVIII. ROSACEiE. 243 3. A. PUMiLA. Dicarf double-jlowering Almond. — Lvs. lanceolate, doubly ser- rate; fls. pedicellate. — Native of China. A low shrub, highly ornamental, common in cultivation. Stems 2 — 31" high, branching. Leaves 3 — 5' by i — 1', acute at each end, smooth. Flowers very numerous, clothing the whole shrub in their roseate hue, while the leaves are yet small. May, Jn. f Suborder 2.— P O M E JE . Ovaries 2 — 5 (rarely 1,) cohering with the sides of the persistent calyx and with each other. Fruit a pome. (5. CRATAEGUS. Gr. Kparoi, strength; on account of the firmness of the wood. Calj'i urceolate, limb 5-cleft ; petals 5 ; stamens 00 ; ovaries 1 — 5, with as many styles ; pome fleshy, containing I — 5 bony, 1 -seeded car- pels, and crowned at the summit by the persistent calyx and disk. — Trees or shrubs, armed to th thorns. Lvs. simple, often lobed. Bracts subulate, deciduous. Fls. corymbose. 1. C. cocciN-EA. (C. Crus-galli. Bic. C. glandulosa. Willd.) Crimson- fruited Thorn. White Tharii. — Lvs. broadly ovate, acutely serrate and sub (9)-lobed, thin and smooth, subacuminate, abrupt at base ; petioles long, slen- der, and (with the calyx) smooth and subglandular ; sty. 3 — 5. — A thorny shrub or small tree, 10 — 2df high, in thickets, by streams, &c.. Can. and U. S. Branches crooked and spreading, branchlets and thorns whitish. Thorns stout, rigid, sharp, a little recurved, about IJ' long. Leaves 1§ — 2j' long, | as wide, lobed, or (rather) coarsely, doubly acuminate-serrate. Petioles very slender, i as long as the lamina. Flowers white, in paniculate, lateral corymbs of about 12. Fruits — 5" diam., bright purple, eatable in Sept. Fls. May. 2. C. Crus-gallt. (Mespilus. Lam. tf-c.) Cock-spur Thorn. Lvs. obovate-cuneiform or oblanceolate, subsessile, serrate, coriaceous, shining above ; spines very long ; corymbs glabrous ; sep. lanceolate, subserrate ; sty. 1 (2 or 3).— Hedges and thickets, Can. and U. S., rare. Shrub 10— 20f high, much branched. Thorns 2 — 3' long, straight, sharp, and rather slender. Leaves 1 — 2i' long, ^ — | as wide, tapering and entire at base, mostly obtuse at apex ; petioles 1 — 5" long. Flowers white, fragrant, in corymbs of about 15, on very short, lateral branchlets. Fruit pyrilbrm, dull red, 2 — 3" diam., per- sistent during winter, unless eaten by birds. Jn. 0. pyracanthifoUa. Ait. — Lvs. oblong-lanceolate, petioles J' long. 3. C. PUNCTATA. Jacq. (C. latifolia. DC. Mespilus. Spach.) Thorn. Lvs. cuneiform-obovate, doubly and often incisely serrate, entire at base and narrowed to a petiole, veins straight and prominent, pubescent beneath ; cortimbs and cal. villose-pubescent ; sty. 3 (1 or 2); /;•. globose, punctate. — Bor- ders of woods, U. S. and Can. Tree 12 — 25f high. Branches wide-spreading, crooked, covered with cinerous bark.. Thorns stout, sharp, 1 — 2' long, some- times wanting. Leaves IJ — 2^' long, i as wide, acute or short acuminate; petioles § — 1' long. Flowers white, in somewhat leafy, compound corymbs oi 8-— 15. Fruit 5—-^'' diam., red or yellowish, eatable in Sept. Fl. May, Jn. 4. C. TOMENTOSA. (C. pyrifolia. Ait. C. lobata. Bosc. C. flava. Hook.) Black Thorn. — Lvs. oval, or elliptic-ovate, narrowed at base into a mar- gined petiole, subplicate, incisely and doubly serrate, .smoothish above, tomen- tose beneath; corymbs large, tomentose when young; sty. 3 — 5; fr. pyriform. — Thickets and hedges, Can. S. to K}-. and Car. — A large .shrub, 12— 15f high, armed with .sharp thorns 1 — 2' long. Leaves 3 — 5' long, J — § as wide, acute at apex ; margined petiole i — 1' long. Fls. large, frngrant,white, in a leafy corymb of gt — 12. Fruit 4 — 6" diam., orange-red, eatable but rather insipid. May, Jn. 0. (Torr. & Gray.) Lvs. strongly plicate, nearly smooth, smaller. 5. C. OxYCANTHA. Hairthom. English Thorn. Lvs. obovate or broad ovate, obtuse, 3 — 7-lobed, serrate, smoothish, shining above; stip. large, incisely dentate; corymbs glabrous; sty. 1 — 3; fr. ovoid, 21* 244 XLVIll. ROSACEA. Pyrus. small. — Hedges, &c., sparingly naturalized. Shrub very branching, 8 — 18f high. Thorns slender, very sharp, axillary, i' long. Leaves IJ — 2' long, nearly as wide, lower ones deeply lobed ; petioles J — 1' long, with 2 leafy stipules at base. Flowers White. Fruit 2--3" diam., purple. — Used for hedges (exten- sively in Eixrope). There are several varieties. ^ :j: 6. C. PARviFLORA. Ait. (C. tomentosa. Mlchx. Mespiluslaciniata. Walt.) Thorns slender; Ivs. coriaceous, pubescent, cuneate-obovate, subsessile, in- cisely serrate ; Jls. subsolitary ; cal. with the pedicels and branchlets villous-to- mentose; sep. laciniate, foliaceous; sty. b; fr. large, roundish-obovoid, with 5 bony, 1-seeded nuts. — Sandy woods, N. J. and Southern States. A much branched shrub, 4 — 7f high. Leaves 1 — 2' by \ — f, the upper surface shining and nearly glabrous when old. Fruit greenish-yellow, near V diam., and eata- ble when ripe. Apr. May. 7. C. coRDATA. Ait. (C. populifolia. Walt.) Washington Thcrrn. Thoi-n glabrous and glandless ; Ixs. cordate-ovate, somewhat deltoid, acu- minate, incisely lobed and serrate, with long and slender petioles; sep. short; sty. 5; fr. small, globose-depressed. — Banks of streams, Va. to Ga., cultivated in the Middle States lor hedge-rows. Shrub 15 — 20f high, the branches with very sharp and slender thorns 2 — 3' long. Leaves often deeply 3 — 5-lobed, about 2' by \\' . Pomes \' diam., numerous, red. Jn. ^\ 7. PYRUS. Celtic peren ; Anglo-Saxon pers; Tx. poire: hat. pyrus ; Eng. pear. Calyx urceolate, limb 5-cleft; petals 5, roundish ; styles 5 (2 or 3), often united at base ; pome closed, 2 — 5-carpeled, fleshy or baccate ; carpels cartilaginous, 2-seeded. — Trees or shrubs. Lvs. simple or pin- nate. Fls. white or rose-colored., i?i cymose corymbs. § Leaves simple. Cyme simple. Styles united at base. 1. P. coRONARiA. (Malus. Mill.) Crab Apple. Sweet-scented Crab-tree, Lvs. broad-ovate, rounded at base, incisely serrate, often sublobate, smooth- ish, on very slender petioles ; pet. unguiculate ; sty. united and wooly at the base; fr. as well as the/5. very fragrant, corymbose. — Borders of woods. Mid. "West, and South. States. A sinall tree, 10 — 20f high, with spreading branches. Leaves 2 — 3' long, | as. wide, resembling those of Crataegus coccinea ; petioles i — 1' long. Flowers very large, rose-colored, in loose corymbs of 5 — 10. Fruit as large (1 — IJ' diam.) as a small apple, yellowish, hard and sour, but esteem- ed for preserves. May. :j: 2. P. ANGUsTiFOLiA. Ait. (Malus. Michx.) Glabrous ; lvs. lance-oblong, acute at base, slightly dentate-serrate, shin- ing above; sty. distinct; fr. small. — Penn. and S. States. A tree 15 — 20f high, resembling the last, but with smaller leaves and fruit. Apr. May. 3. P. Malus. Common Apple Tree. — Leaves ovate, or oblong-ovate, serrate, acute or short-acuminate, pubescent above, tomentose beneath, petiolate; co- rymbs subumbellate : pedicels and. cff/y.rvillose-tomentose; pet. with short claws; sty. 5, united and villose at base ; pome globose. — Native in Europe and almost naturalized here. Tree 20 — 25f high (in thickets 25 — 40). Branches rigid, crooked, .spreading. Bark rough and blackish. Leaves 2—3' long, § as wide, petioles i — r long. Flowers expanding with the leaves, fragrant, large, clothing the tree in their light roseate hue, making ample amends for its roughness and de- foimity. — The Romans had 22 varieties (^PUny) but the number is now greatly increased. Probably nearly 1000 varieties are cultivated in the U. S. X 4. P. COMMUNIS. Pear Tree. — Leaves, ovate-lanceolate, .subserrate, glabrous above, pubescent beneath, acute or acuminate ; corymbs racemose ; cal. and pe- dicels pubescent; 5/7/. 5, distinct and villose at base; povie pyriform. — Tree usually taller than the apple, 20 — 35f high. Bark rough, blackish. Branches ascending. Leaves 2 — 3^' long, § as wide ; petioles 1 — 2' long. Flowers white, small. — Native in Europe, where, in its wild state, the fruit is small and ira- palatable. The Romans cultivated 36 varieties {Pliny), but, like the apple, varieties without end are now raised from the seed of this delicious fruit. X Amelanchieb. XLVIII. ROSACEA. 245 § § Leaves simple. Cymes compound. Styles united at base. 5. P. ARBUTiFOLiA. Linn. f. (Mespilus. Linn. Aronia. Pers.) Choke Berry. Lvs. oblong-obovate or oval-lanceolate, obtuse or acute, crenate-serrulate, smooth above, tomentose beneath when young, attenuate at base into a short petiole; ped. and cal. when young, tomentose ; fr. pyriform or subglobose, dark red. — Low, moist woodlands, U. S. and Can. A shrub 5 — 81' high. Leaves 1 — 2' long, \ as wide, often subacuminate, subcoriaceous, serratures small, with a glandular, incurved point ; petioles 2 — 1" long. Flowers white, in compound, terminal corymbs of 12 or more. Fruit astringent, as large as a currant. May Jn.f ff. melanocarpa. Hook. fP. melanocarpa. Willii.) — Lis., cal. and ped. gla- brous or nearly so ; fr. blacKish-purple. — Swamps. Height 2 — 'If. § § § Leaves pinnate. Cymes compound. Styles distinct. 6. P. Americana. DC. (Sorbus Americana. PA.) Mountain Ash. Lfls. oblong-lanceolate, acuminate, mucronately serrate, smooth, subses- sile ; cymes compound, with numerous flowers ; pome small, globose ; sty. 3 — 5. — A srnall tree in mountain woods, N. Eng. and Mid. States. Trunk 15 — 20f high, covered with a reddish-brown bark. Leaves 8 — 12' long, composed of 9 — 15 leaflets. Leaflets 2 — 3i' by A — 1', subopposite, often acute, on petioles 1" in length. Flowers small, white, in terminal cymes, of 50 — 100 or more. Fruit scarlet, 2 — 3" diam., beautiful. May. f /?. microcarpa. T. & G. (P. microcarpa. DC. Sorbus microcarpa. PA.) — Fr. smaller. 7. P. AUCUPARIA. English Mountain Ash. — Lfts. as in P. Americana, except that they are always smooth on both sides, and, with the serratures, less acute at apex; Jls. cor}Tnbose; fr. globose. — Native of Europe. A tree 20 — 40f high, often cultivated as well as the last species, for its ornamental clusters of scar- let berries. It is a tree of larger size and rougher bark than the last, but is hardly to be distinguished by the foliage, flowers or fruit, f 8. C YD ONI A. Toum. Named for Cydonia, a town in Crete, from whence it was brought. Calyx urceolate, limb 5-cleft ; petals 5 ; styles 5 ; pome 5-carpeled ; carpels cartilaginous, many-seeded ; seeds covered with mucilaginous pulp. — Trees or shrubs. Lvs. simple. Fls. viostly solitary. C. VULGARIS. Pers. (Pyrus Cydonia. Willd.) QuiJice. — Lvs. oblong-ovate, obtuse at base, acute at apex, very entire, smooth above, tomentose beneath; ped. solitary, and, with thecal., woolly; pome lomentose, obovoid. — Shrub 8 — 12f (rarely 20f ) high, with crooked, straggling branches. Leaves about as large as those of the pear tree. Flowers white, with a tinge of purple, large, termi- nal. Fruit large, lengthened at base, clothed with a soft down, yellow when ripe, highly esteemed for jellies and preserves. — The plant is reared from layers. 10. AMELANCHIER. Medic. Calyx 5-cleft ; petals 5, oblong-obovate or oblanceolate ; stamens short ; styles 5, somewhat united at base ; pome 3 — 5-celled ; cells partially divided, 2-seeded. — Small trees or shrubs. Lvs. simple, ser- rate. Fls. racemose, white. A. Canadensis. Torr. & Gray. (Mespilus. Linn. Aronia. Pers. Pyrus Botryapium. Linn, f Mespilus arborea. Michx.) Shad Berry. June Berry. Wild Service Berry. — Lvs. oval or oblong-ovate, often cordate at base, acuminate or cuspidate or mucronate, sharply serrate, smooth; r«^. loose, elongated; seg. of the cal. triangular-lanceolate, nearly as long as the tube; pet. linear-oblong or oblanceolate; fr. purplish, globose. — A small tree or shrub, found in woods, U. S. and British Am., rarely exceeding 35f in height. Leaves alternate, 2 — 3' long, downy-tomentose when young, at length very smooth on both sides, very acute and finely serrate. Flowers large, white, in terminal racemes, appearing in April and May, rendering the tree quite conspicuous in the yet naked forest. Fruit pleasant to the taste, ripening in June. 246 XLVIII. ROSACEA. Rosa. /?. oblongifolia. T. & G. (A. ovalis. Hook.) — Shrubby; ^m. oblong-oval, mu- cronate, and with small, sharp serratures ; roc. and Jls. smaller ; pet. oblong- obovate, thrice longer than the calyx. y. rotundifolia. T. & G. (Pyrus ovalis. Willd.)—Lvs. broad-oval ; pet. linear- oblong.— Shrub 10— 20f high. i. alnifolia. T. & G. (Aronia alnifolia. iVM«.)— Shrubby or arborescent ; Ivs. orbicular-oval, rounded or retuse at each end, serrate only near the apex ; Tpet. linear-oblong ; sta. very short. Suborder III.— R OSACE^ PROPER. Ovaries solitary or several, distinct ; fruit achenia or follicular. 10. ROSA. Celtic rhos, red ; Gr. poiov ; Lat. rosa; Eng. rose. Calyx tube urceolate, fleshy, contracted at the orifice, limb 5-cleft, the segments somewhat imbricated in aestivation, and mostly with a leafy appendage ; petals 5, (greatly multiplied by culture) ; achenia 00, bony, hispid, included in and attached to the inside of the fleshy tube of the calyx. — Shrubby and frickly. Leaves unequally pinnate. Stipules mostly adnate to the petiole. * Native species. 1. R. Carolina. (R. Caroliniana. Bw.) Carolina Hose. Swamp Rose. St. glabrous, with uncinate, stipular prickles; lfts.5 — 0, oblong-lanceolate or elliptical, acute, sharply serrate, glaucous beneath, not shining above, peti- oles hairy or subaculeate ; Jls. corymbose ; fr. depressed-globose, and with the peduncles hispid. — A prickly (not hi.spid) shrub, in swamps and damp woods, Can. and U. S., 4 — 8f high, erect and bushy, with reddish branches. Prickles mostly 2 at the base of the stipules. Leaflets 1—2' long, J as wide, rather vari- able in form. Flowers in a sort of leafy corymb of 3 — 7. Petals obcordate, large, varying between red and white. Fruit dark red. Jn. Jl. 2. R. LUCiDA. Ehrh. (R. Caroliniana. M.v. not Bw.) Shining or Wild Rose. St. armed with scattered, setaceous prickles, those of the stipules straight ; Ifts. 5 — 9, elliptical, imbricate, simply serrate, smooth and shining above ; peti- oles glabrous or subhispid; fls. generally in pairs (1 — 3); fr. depressed-globose, and with the peduncles, glandular hispid. — Shrub 1 — 3f high, in dry woods or thickets throughout the U. S., slender, with greenish branches. Leaflets 1 — If long, J as wide, acute or obtuse, odd one petiolate, the others sessile. Sepals often appendiculate, as long as the large, obcordate, pale red petals. Fruit small, red. Jn. Jl. 0. T. & G. (R. parviflora. Ehrh.) — Lfts. ova , mostly very obtuse, paler be- neath ; petioles smooth or pubescent. 3. R. NiTiDA. Willd. Shining or Wild Rose. St. low, densely armed with straight, slender, reddish prickles ; lfts. 5 — 9, narrow-lanceolate, .smooth and shining, sharply serrate ; slip, narrow, often reaching to the lower leaflets ; fs. solitary ; cal. hispid; fr. globose. — In swamps, N. Eng. States. Stems 1 — 2f high, reddish from its dense armor of prickles. Leaflets 1 — IJ' long, ^ as wide, subsessile, odd one petiolulate. Stipules 5 — 8" long, adnate to the petiole, each side. Flowers with red, obcordate petals. Fruit scarlet. Jn. 4. R. ELANDA. Ait. (R. gemella. Linn.) Bland Rose. Taller ; st. armed with scattered, straight, deciduous prickles ; lfts. 5 — 7, oblong, obtuse, serrate, smooth, but not shining above, paler and pubescent on the veins beneath, petiole unarmed; slip, dilated; fs. mostly in pairs (1 — 3); fr. globose, smooth, as well as the short peduncles. — Shrub found on dry, sunny hills. Northern and Middle States. Stems 2 — 3f high, with reddish bark. Flowers rather large. Sepals entire, shorter than the reddish, emarginate petals. Bracts large, downy. Jn. 5. R. SETIGERA. Michx. (R. rubifolia. /?. i?A) Michigan or Prairie Rose. Branches elongated, ascending, glabrous ; spines few, strong, stipular ; lfts. Ro8A. XLVIII. ROSACEiE. 247 large, 3 — 5, ovate ; stip. narrow, acuminate j/7s. corymbose ; cal. glandular, seg- ments subentire; sty. united; fr. globose. — This splendid species is a native of Michigan, and other States W ! and S. About 20 varieties are enumerated in cultivation. They are hardy, of rapid growth, and capable of being trained 12 — 20f. Flowers in very large clusters, changeable in hue, nearly scentless, and of short duration. * * Naturalized species. 6. R. RUBiGixosA. (R. suaveolens. Ph.) Eglantine. Sweet Brier. St. glabrous, armed with very strong, recurved prickles ; Ifts. 5 — 7, broad- oval, with ferruginous glands beneath ; Jls. mostly solitary ; fr. ovoid, oval or obovoid; ped. glandular-hispid. — A stout, prickly shrub, 4--iOf high, natural- ized in fields and road-sides, throughout the U. S. The older stems are bushy, much branched, 1' diam., the younger shoots nearly simple, declined at top. Leaflets i — 1' long, | as wide, unequally and sharply serrate, acute, bright green above, rusty beneath, and when rubbed, very fragrant. Flowers light red, 1 — 2' diam., fragrant. Fruit orange-red. Jn. — Of this beautiful species there are about 25 cultivated varieties, single and double. 7. R. ciNNAMOMEA. Cinnamon Rose. 5^/. tall, with ascending branches; spines of tJve younger stems numerous, scattered, fl/" /A<; branches few, larger, stipular; Ifts. 5 — 7, oval-oblong, rugose, cinerous-pubescent beneath ; .s'//?. undulate ; se;?. entire, as long as the petals; fr. smooth, globose. — Native of Oregon. Stem 5 — 12f high, with reddish bark. Flowers mostly double, purple. ♦ * * Exotic species, f Priekies straight, mostly acerose. 8. R. GALi.icA. Commx)ri Erench Rose. — S^. and ^e/^ofe armed with numerous, fine, scattered prickles; Ifts. mostly 5, elliptical or broad-oval, thick; fls. erect; pet. 5 or more, large, spreading; sep. ovate ; fr. ovoid, and with the ped., hispid. — The common red rose of gardens, from which have originated not less than 200 varieties, known in cultivation, and registered in catalogues, as the velvet, carmine, carnation, &c. Many of them are beautifully variegated, as the tri- color and picotee. The dried petals are used in medicine, andlrom them are ex- tracted tinctures for cookery. Jn. Jl. 9. R. piMPiNELLiFOLiA. Scr. (R. spiuosissima. Linn.) Scotch or Burnet Rose. — St. densely armed with straight, acerose prickles: Ifts. 5 — 9, roundish, obtuse, smooth, simply serrate; fis. small, usually roseate, but changing in the numerous varieties to' white, red or yellow. — Native of Scotland and other parts of Europe. These shrubs are but 2 — 3f high, with small, delicate leaflets. Flowers numerous, globular, very fine. May, Jn. 10. R. EGLA.N'TERiA. Scr. (R. lutca. Mill.) Yellow Rose. Austrian Egluntine. — St. with a cinerous bark, branches red, both armed with straight, slender, scattered prickles ; Ifts. 5 — 7, small, broad-oval or obovate, smooth, shining above, sharply serrate; cal. nearly naked and entire; pet. large, broad-obcor- date. — From Germany. Shrub about 3f high, bushy. Flowers numerous, of a golden-yellow, very fugacious, of less agreeable fragrance than the leaves. There are many varieties, both single and double, variegated with red. Jn. 11. R. ALPiNA. Alpine or Bovrsault Rose. — Younger shoots echinate with nu- merous weak prickles, older ones smooth, rarely armed with strong prickles ; Ifts. 5 — 11, ovate or obovate, sharply and often doubly serrate; 5/;^. narrow, apex diverging; ped. deflexed after flowering, and with the calyx hi.spid or smooth; sep. entire, spreading; fr. ovoid, pendulous, crowned with the conni- vent calyx. — Hardy, vigorous, climbing, with pink, red or crimson flowers. * * * Exotic species. ■\-\ Prickles falcate, strovg. 12. R, DAMAscEXA. Dama.-ik Rose. — St. branching and bushy, armed with un- equal spines, mostly stipular, cauline ones broad, falcate or hooked; Ifts. large, broadly elliptical, downy-canescent; 5fy>. reflexcd ; fr. ovoid, elongated. — Native of the Levant. Shrub 3 — 4f high. Flowers rather numerous, of a delicate, pale roseate hue, usually with very numerous petals, and a delicious fragrance. Among its numerous varieties is the common monthly, low, blooming at all seasons. 248 XLVIII. ROSACEaE. Roai. 13. R. CANlNA. Dog Rose. — Prickles remote, strong, compressed, falcate ; Ifts. 5 — 9, with acute, incurved, and often double serratures ; stip. rather broad, ser- rulate; fed. and cal. smooth or hispid; sep. after flowering, deflexed and de- ciduous ; fr. ovoid, red. — Native of Europe. Shrub 4 — 8f high. /?. Burboniana. Ser. — Lfts. ovate, subcordate, simply dentate ; fls. purple, double and semi-double ; pet. concave ; sep. entire. — A splendid class of roses, of which more than 100 varieties are cultivated. They are hardy, with am- ple and glossy foliage. — 18 other varieties are described by Seriuge in DC. 14. R. CENTiFOLiA. Hundred-Uaxed OX Proveiis Rose. — P/ffAfes nearly straight, scarcely dilated at base ; Ifis. 5 — 7, ovate, glandular-ciliate on the margin, sub- pilose beneath ; floxoer-bud short-ovoid ; scp. spreading (not deflexed) in flower; fr. ovoid ; cal. and pcd. glandular-hispid, viscid and fragrant. — From S. Europe. Shrub 2— 4f high, very prickly. Flowers usually of a pink color, but varying in hue, form and size, &c., through a hundred known varieties. 15. R. MoscHATA. Musk Rose. — /SAoo/s ascending and climbing; ^?'c/tZescau- line, slender, recurved ; Ifls. 5 — 7, lanceolate, acuminate, smoothish, discolored ; stip. very narrow, acute; Jls. often very numerous; peiuLTiFLORA. Many-fiowcred or Japan Rose. — Branches, pcd. and cal. tomentose ; shoots very long ; prickles slender, scattered ; lfts. 5 — 7, ovate-lance- olate, soft and slightly rugose; stip. pectinate ; fls. corymbose, often numerous; fio^cer-bud ovoid-globose ; scp. short ; sty. exserted, scarcely cohering in an elon- gated, pilose column ; pet. white, varying through roseate to purple. — Japan. Shrub with luxuriant shoots, easily trained to the height of 15 — 20f. 18. R. Indica. Chinese Monthly or Bengal Rose. — Erect or climbing, pur- plish ; prickles strong, remote ; Ifts.'S — 5, ovate, acuminate, coriaceous, shining, smooth, serrulate, discolored; stip. very narrow ; _/?5. solitary or paniculate; ped. often thickened, and, with the cal. smooth, or rugose-hispid ; sta. inflexed ; fr. turbinate 1 — Splendid varieties, blooming from Apr. to Nov. Flowers of ever}'' hue from pure white to crimson. /?. Laiorencicma. (R. Lawrenciana. Lindl. R. Ind. i. acuminata. Ser.) Miss Lawrence's Rose. — St. and branches v^c^x\es.ie, bristly and subglabrous; lfts. ovate, purplish beneath ; pet. obovate-acuminate. — A class of varieties with very small flowers, pink to deep purple. 19. R. BRACTEATA. Macartticy Rose. — Branches erect, tomentose ; prickles re- curved, often double ; lfts. b—d, obovate, subserrate, coriaceous, smooth and shin- ing ; stip. fimbriate-setaceous ; fls. solitary, terminal ; ped. and cal. tomentose ; /r. globose, large, orange. — Varieties with cream-colored, white, to scarlet flowers. 20. R. sEMPERVlRENs. Evcrgrccn Rose. — St. climbing; prickles subequal; lfts. persistent, 5 — 7, coriaceous ; fls. .subsolitary or corymbose ; sep. subentire, elongated ; sty. coherent into an elongated column ; fr. ovoid or subglobose, yel- low, and with the ped. glandular hispid. — Allied to the following, but its leaves are coriaceous and evergreen, persistent until January. 21. R. ARVENSis. Ayrshire Rose. — Shoots very long and flexile; prickles une- qual, falcate ; lfts. 5 — 7, smooth or with scattered hairs, and glaucous beneath, deciduous; fls. solitary or corymbose; sep. subentire, short; sty. cohering in a long, glabrous column ; fr. ovoid-globose, smoothish. — England. The shoots grow 15 — 20f in a season and are very hardy. Flowers white to blush, crim- son and purple. ♦ * Exotic species, f f f Unarmed. 22. R. BANKSI.E. Banks' Rose. — Smooth ; lfts. lanceolate, crowded, 3 — 5, RuBTJs. XLVIII. ROSACEA. 349 scarcely serrate ; slip, deciduous ; Jls. umbellate ; fr. globular, nearly black. — From China. Thornless shrubs, with small, cup-shaped flowers. Not hardy. Oi».— This beautiful genu.^ includes, according to Seringe, 146 apecies; but the varieties produced by cultivation amoiuit to near .iOOO. t> tt o tt o Celtic rub, red ; the color of the fruit of some species. Calyx spreading, 5-partecl ; petals 5, deciduous ; stamens 00, in- serted into the border of the disk ; ovaries many, with 2 ovules, one of them abortive ; achenia pulp}-, drupaceous, aggregated into a compound berry ; radicle superior. — 4- Half shrubby ptanls. Stems usually (gi, and armed with prickles. Inflorescence imperfectly centrifugal. Fr. esculent. § Fruit inseparable from the juicy ^ deciduous receptacle. Blackberries. 1. R. viLi.oscs. Ait. HiC.)— Less hairy ;^. smaller, on longer pedicels. 2. A. PARVIFLORA. Ait. (A. suaveolens. Ph.) St. and petioles hirsute ; lis. interruptedly pinnate ; Ifts. numerous, crowded, pubescent beneath, linear-lanceolate, equally and inci-sely serrate ; stip. acutely incised ; rac. spicate-virgate ; fls. small ; pet. longer than calyx ; fr. hispid.—- "Woods and dry meadows, Penn. ! to S. Car. W. to la. and Tenn. Stem 3 — 4f high, the hairs spreading, brownish and glandular. Leaflets 2—3' by J— i', with smaller ones intermixed. Petals yellow. The plant has an agreeable balsamic odor. Aug. 21. SPIR^A. Gr. aneipa, a cord or wreath ; the flowers arc, or may be used in garlands. Calyx 5-cleft, persistent; petals 5, roundish; stamens 10 — 50, exserted; carpels distinct, 3 — 12, follicular, 1-celled, 1 — 2-valved, 1 — 10-seeded ; styles terminal. — % Unarmed shrubs or herbs. Branches and Ivs. alternate. Fls. white or rose-color, n£ver yellow. 22* 256 XLVIII. ROSACEA. Spiraea. ♦ Leaves without stipules. 1. S. T0MENT6SA. Hardhack. Femiginous-tomentose ; Ivs. simple, ovate-lanceolate, smoothish above, unequally serrate ; roc. short, dense, aggregated in a dense, slender, terminal panicle ; carpels 5. — A small shrub, very common in pastures and low grounds, Can. and U. S. Stem very hard, brittle, consequently troublesome to the scythe of the hay-maker. Leaves 1 J — 2' long, J as wide, dark green above, rusty white with a dense tomentum beneath, crowded, and on short petioles. Flowers small, very numerous, with conspicuous stamens, light piirple, forming a slen- der, pyramidal cluster of some beauty. The persistent fruit in winter furnishes food for the snow bird. Jl. Aug. 2. S. SALicipoLiA. (S. alba. Bw.) Queen of the Meadow. Meadow-sweet. Nearly glabrous ; Ivs. oblong, obovate or lanceolate, sharply serrate ; rac. forming a more or less dense, terminal panicle ; carpels 5. — A small shrub in meadows, thickets, U. S. and Brit. Am. Stems 3 — 4f high, slender, purplish, brittle. Leaves smooth, IJ — 3' long, | — | as wide, acute at each end, petiolate, often with small leaves in the axils. Flowers white, often tinged with red, small, numerous, with conspicuous stamens, in a more or less spreading pani- cle. Jl. Aug. t 3. S. Aruncus. Goat^s Beard. Herbaceous ; Ivs. membranaceous, tripinnate ; IJis. oblong-lanceolate, acu- minate, the terminal ones ovate-lanceolate, doubly and sharply serrate ; fis. 9 (^, very numerous ; carpels 3 — 5, very smooth. — On the Catskill Mts., N. Y. to Ga. Torrey - or terminal, often with a 3-leaved involucre. C'a/.— Sepals 4—5, united below into a tube, the sides and throat of which are lined with a ring of fila- mentous processes, which appear to be metamorphosed petals. Cor. — Petals 5, arising from the throat of the calyx outside the crown. Sta. 5, monadelphous, surrounding the stipe of the ovary. Ova. superior, on a long stipe, 1-ceHed. Styles 3. Pr. stalked, within the caly.x, many-seeded. Genera 12, species 210, natives of tropical America, but cultivated in many other countries as ornamen- tal flowers. The fruit of the Granadilla (Passiflora multiformis) is eaten in the AV. Indies, and highly valued as a dessert, but the root is poisonous. PASSIFLORA. ru =, • , [the .Savior's passion. Lat. ^os passionis; the several parts of the flower were superstitiously compared to the instruments of Calyx colored, deeply 5-parted, the throat with a complex, filamen- tous crown ; petals 5, sometimes 0 ; stamens 5, connate with the stipe of the ovary ; anthers large ; stigmas 3, large, clavate, capitate ; fruit a pulpy berry. — Climbing herbs or shrubs. 1. P. ccERULEA. Common Passion-floiver. — Shrubby; Zi-s. palmately and deeply 5-parted; segments linear-oblong, entire, lateral ones often 2-lobed; _pe<. glandu- lar, with a 3-bracteolate involucre near the flower ; bracteoles entire ; fit. of the crown shorter than the corolla. — Native of Brazil, where it grows to the thick- ness of a man's arm and the height of 30f. Flowers large and beautiful, blue externally, white and purple within, continuing but one day. Fruit ovoid, yel- low. Admired in cultivation. 2. P. iNCARNATA. Flesh-coloTcd Passion-flo^cer. Lvs. deeply 3-lobed, lobes oblong, acute, serrate ; petioks with 2 glands near the summit; b^racieoles of the involncre 3, ohovale, glandular; crow «, triple. — Native from Va. to Flor. Stem climbing 20— 30f Flowers large and showy. Petals white. Two outer rows of filaments long, purple, with a whitish band, the inner row of short rays, flesh-colored. Berry pale yellow, of the size of an apple, eatable. May — July. 3. P. LUTEA. Yelloio Passionflower. Lvs. glabrous, cordate, 3-lobed, obtuse ; petioles without glands ; pcd. mostly in pairs ; pet. narrower and much longer than the sepals. — A slender climber, 5 — lOf long, in woods and thickets, Ohio and S. States. Leaves yellowish- green, nearly as broad as long. Flowers small, greenish-yellow. Corona in 3 rows, the inner row a membranous disk with a fringed border. Fruit dark- purple. May — Jl. Order LVIII. BEGONIACE^.— Begoniads. Herbaceous plants, or succulent undershrubs, with an acid juice. I.vs. alternate, toothed, rarely entire, oblique at the base. Stipules large, scarious. Fls. pink-coloredj in cymes, moncecious or dinjcious. Cal. adherent, colored. . [pistillate. Sep. in the stammate 2, in the pistillate 3 or 4. Pet. smaller than sepals, 2 in the staminate, 2 or 4 in the Sta. (stam. fls.) indefinite, distinct or combined. Anth. collected into a head, 2-celled. 270 LIX. CUCURBITACE^. Echinocystis. Ova. (pist. fls.) winged, scelled, with 3 large pkcentse meeting in the axis. Stig. 3, 2-lobed, somewhat Fr. capsular, winged, Scelled, many-seedea. Sds. minute, without albumen. [spiral. Genera 3, species 159, common in the West Indies, S. America and East Indies— none N. American. The roots are astringent and slightly bitter. DIPLOCLINIUM. Lindl. Gr. (JittXooj, double, K\tvri, couch; alluding to the double placentae. Fls. Axis cylindric Cereus. 2 ^tubular-campanulate, rose-colored, &c. {Axis globose Melocactus. 'i Flowers (somewhat rotate, yellow Opuntia. \ 1. OPUNTIA. Tourn. Opuntiana was a country nearPhocis, where this was said to be naturalized. Sepals and petals numerous, adnate to the ovary, not produced into a tube above it ; stamens 00, shorter than the petals ; style with numerous, thick, erect stigmas ; berry umbilicate at apex, tubercu- late ; cotyledons semiterete. — Shriihhy plants.^ with arliculuicd branches^ the joints usually broad andflatteved^ vith fascicles of priclies o-egularhj arravgcd upon the surface. LXI. CACTACEyE. 875 O. VULGARIS. Mill. (Cactus opuntia. Linn.) Prickly Pear. Prostrate, creeping; joMi^s ovaKe; prickles numerous in each fascicle, of- ten with several subulate spines ; fls. yellow.— A curious, fleshy plant, native in rocky and sandy places, Mass. to Flor. W. to la. ! It is often cultivated. The singular form resembles a series of thick, fleshy leaves, 4—6' long, | as wide, growing from the tip or sides of each other, and armed with orange-col- ored spines. The flowers come forth from the edge of the joints, large, bright- yellow, and succeeded by a smooth, crimson, eatable fruit, f 2. CEREUS. DC. Sepals very numerous, imbricated, adnate to the base of the ovary, and united into a long tube above it, the outer shorter, the inner pe- taloid ; stamens 00, coherent with the tube ; style filiform, with many stigmas ; berry scaly, with the remains of the sepals ; cotyledons none ? — Fleshy shrubs, icith ivoody, cylindrical, grooved axes, armed with clusters of spines. Fls. from the clusters of spines. 1. C. Phyllanthxs. DC. (Cactus. Linn.) Splccnwort. — Branches ensiform, compressed, serrate ; fls. with the terete, slender tube much longer than the limb of the petals.— From S. America. The articulations of the stem are 2f or more long, 2' wide, weak, bordered with large, obtuse serratures, and trav- ersed lengthwise by a central, cylindrical, woody axis. Flowers white, 9 — 12' long, expanding by night, fragrant, -f 2. C. PHVLLANTHoiDKs. DC. (Cactus. Linn.) — Branches ensiform, com- pressed, obovate, with spreading, rounded teeth ; fls. arising from the lateral crenatures of the branches ; tube shorter than the limb of the petals.— From Mexico. A splendid flowerer, with leaf-like, fleshy joints, each G — 10' long, 1 — 2' wide. Flowers rose-colored, 4' in length, expanding by day.f 3. C. TRUNCATUs. (Cactus. Linn.) — Branching; joints short-compressed, serrate, truncate at the summit ; fls. arising from the summit of the joints ; sty. longer than the stamens or reflexed petals.— From Brazil. A very distinct spe- cies, a foot or more high. Joints 2—3' long, 1—1 J' wide, leaf-like. Flowers 2 — 3' long, pink-colored, f 4. C. GRANDiFLORUs. DC. (Cactus. im?i.)— Creeping, rooting; st. with about 5 angles ; fls. terminal and lateral, very large, nocturnal ; pet. spreading, shorter than the linear-lanceolate sepals.— From the W. Indies. Stems cylin- dric or prismatic, branching, the angles not very prominent. Flowers expand- ing by night, and enduring but a few hours, 8 — 12' diam. Sepals brown without, yellow within ; petals white.— A magniftcent flower, but of difficult culture, t 5. C. FLAGELLiFORMis. DC. (Cactus. Linn.) Snake Cacius.— St. creeping, with about 10 angles, hispid;/^-, lateral, diurnal; tube slender, longer than the limb of the petals. — From S. America. Stem about the size of the little finger, cylindric, indistinctly articulated, 2— 5f long. Flowers of a lively pink color, smaller than those of the last, and continuing in bloom several days.f Obs.—Mnny other species of this curious genus are occasionally reared in the parior or the green-house, —so many that to notice them individually would transcend our limits. 3. MELOCACTUS. Compounded of melon and cactus; from its form. Calyx tube adherent to the ovary, lobes 5 — 6, petaloid ; petals as many as sepals, united with them into a long cylindric tube ; stamens and style filiform ; stigma 5-rayed ; berry smooth, crowned with the withered calyx and .corolla. — Suffruticose, fleshy, leafless. Spadix sim- ple, croicning the globular, deeply fir rowed axis. Flowers terminal. M. COMMUNIS. Turk's Cap. Melon Thistle.— Axis ovate-subglobose, dark green, 12— l8-angled; ri^(S straight; 5^7«es fasciculate, subequal.— Native of the Caribbean Island's. This remarkable plant appears like a large, green melon, with deep furrows and prominent ribs, and is full of juic" It is surmounted 24 276 LXIV. CRASSULACE^E. Sedum. with a spadix (cephalium), which is cylindric, tuberculate, densely tomentose, bearing the red flowers at summit, f Order LXII. MESEMBRYACE^.— Ficoids. Plants fleshy, of singular and various forms, yet often beautiful. Lvs. mostly opposite, thick and oddly shaped. [tion. Fls. solitary, axillary and terminal, remarkable for their profusion, numerous, brilliant, and of long dura- Cal. — Sepals varj'ing from 4 to 8, but usually 5, somewhat connected at base. Cor.— Petals indefinite, colored, in many rows. Sta. indefinite, distinct, arising from the calyx. Ova. inferior or nearly superior, many-celled. Stigmas numerous. Caps, many-celled, openin? in a stellate manner at the ape.x. Sds. more commonly indefinite, attached to the inner angle of the cells. Genera 5, species 375, chiefly natives of the arid, sandy plains of the Cape of Good Hope. The species are much cultivated for ornament. MESEMBRYANTHEMUM. Gt. fxtarifuppta, mid-day, av^o;\ flowers expanding at midday. Character essentially the same as that of the order. 1. M. CRYSTALLlNUM. Icc-plmit. — Rt. biennial ; lvs. large, ovate, acute, wavy, frosted, 3-veined beneath. — A popular house plant, from Greece. It has a creeping stem. If or more in length, and, with the leaves, is covered over with frost-like, warty protuberances, giving the plant a very singular aspect. Flowers white, appearing all summer, f 2. M. coRDiFOLiuM. Hcart-leavcd Ice-plmit. — Procumbent, spreading; lvs. petiolate, opposite, cordate- ovate; caZ. 4-cleft, 2-horned. — 7|. An interesting plant in house cultivation, from Cape Good Hope. The whole plant fleshy and suc- culent like others ot its kind. Flowers pink-colored. Calyx thick, green, the horns opposite. Capsule translucent, marked at summit with cruciform lines. -f Order LXIV. CRASSULACE^.— Houseleeks. Plants herbaceous or shrubby, succulent. Lvs. entire or pinnatifid. Slip, 0. Fls. sessile, usually in cymes. Cal. — Sepals 3 — 20, more or less united at base, persistent. Cor.— Petals as many as the sepals, distinct, rarely cohering. Sta. as many as the petals and alternate with them, or twice as many. Ova. as many as the petals and opposite them. Fil. distinct. Anth. 2-celled, bursting lengthwise. Fr. — Follicles as many as the ovaries, each opening by the ventral suture, many-seeded. Genera 22, species 450. chiefly natives of the warmer regions of the globe, particularly the Cape of Good Hope. About 20 are found in North America. They grow in the thinnest and dryest soil, on naked rocks, sandy deserts, &c. Thev have no peculiar property except a slight acridity. Many are highly ornamental. Conspectus of the Genera. i stamens 4 Tillcsa. I J in 43 ; J Stamens 8 Bryophyllvm. 5 \ 5 Carpels distinct. Sedum. 2 un 59 ; stamens 10 ; \ Carpels united. Penthorum. 4 Floral organs arranged ( in 12s Sempervivum. 3 1. TILL^A. Michx. In memorj' of Mich. Ang. Tilli, an Italian botanist; died 1740. Calyx of 3 or 4 sepals united at base ; petals 3 or 4, equal ; sta- mens 3 or 4 ; caps. 3 or 4, distinct, follicular, opening by the inner surface, 2 or many-seeded. — d) Very mimde., aquatic herbs. Lvs. opposite. T. SIMPLEX. Nutt. (T. ascendens. Eaton.) Pigmy-u-ecd. St. ascending or erect, rooting at the lower joints ; lvs. connate at base, linear-oblong, fleshy ; /75. axillary, solitary, subsessile, their parts in 4s; pet. oval or oblong; carpels 8 — lO-see'ded. — Near East Rock, New Haven, Ct. (Dr. Bobbins), and Philadelphia, on muddy banks, raj-e. Stem 1 — 3' high. Leaves 2 — 3" long. Flowers as large as a pin's head. Petals oval, flat, acute, twice as long as the oval, minute calyx, longer than the stamens and fruit, and of a greenish-white color. Jl. — Sept. 2. SEDUM. Lat. sedere, to sit; the plants, growing on bare rocks, look as if sitting there. Sepals 4 — 5, united at base ; petals 4 — 5. distinct ; stamens 8 — Bryophyllum. LXIV. CRASSULACE^. 277 10 ; carpels 4 — 5, distinct, many-seeded, with an entire scale at the base of each. — Mostly herbxceous. lafiorescerice cymose. Fls. mostly 'peniamerous. 1. S. TELEPHIOiDES. Michx. L/vs. broadly lanceolate, attenuate at base, subdentate, smooth; cymes dense, corjTnbose; sta. 10, the petals, sepals and carpels in 5s. — Found on rocks, lake and river shores, N. Y., N. J., Harper's Ferry, Va. ! &c. Stem a foot high. Leaves 1 2' long, § as wide. Flowers numerous, purple, in a terminal, branching cyme. Jn.— Aug. — Like the other species, very tenacious of life. My specimens, gathered several months since at Harper's Ferry, are still grow- ing in the dry papers. 2. S. TERNATUM. Michx. Stone-crop. Lvs. temately verticillate, obovate, flat, smooth, entire, the upper ones scattered, sessile, lanceolate ; cyme in about 3 spikes; /s. sec und, the central one with 10 stamens, the rest with only 8. — % In Can. West, Penn. the South- ern and Western States, Plummcr! Cultivated in N. Eng. Stems 3 — 8' long, branching and decumbent at base, assurgent above. Cyme with the 3 branches spreading and recurved, the white flowers loosely arranged on their uppqr side. Jl. Aug. t 3. S. Telephium. Common Orpine, hive-forever . — Rl. tuberous, fleshy, white ; St. 1 or 2f high, erect ; lis. flattish, ovate, obtuse, serrate, scattered ; cipne corymbose, leafy. — ^1- From Europe. Cultivated and nearly naturalized. SUems simple, leafy, round, smooth, purplish. Leaves sessile, fleshy. Flowers white and purple, in dense, terminal, leafy tufts. Aug. f 4. S. Anacampseros. Evergreen Stone-crop. — Rt. fibrous; st. decumbent; lvs. cuneiform, attenuate at base ; cyvies corymbose, leafy. — % Native of Eu- rope, growing there in crevices of rocks. Stems reddish and decumbent at base, erect and glaucous above. Lvs. fleshy, bluish green. Fls. purple. Jl. f 5. S. ACRE. English Moss. Wall Pepper. — Procumbent, spreading, branch- ing from the base; lvs. very small, somewhat ovate, fleshy, crowded, alternate, closelv sessile, obtuse, nearly erect; cyme few-flowered, trifid, leafy. — From Great Britain. In cultivation it .spreads rapidly on walls, borders of flower- beds, &c. densely covering the surface. Flowers yellow. The whole plant abounds in an acrid, biting juice, -f 3. SEMPERVlVUM, Lat. semper vivere, to live forever; in allusion to their tenacity of life. Sepals 6 — 20, slightly cohering at base ; petals as many as sepals, acuminate ; stamens twice as many as petals ; hypogynous scales la- cerated ; carpels as many as the petals. — %■ Herbaceous plants or shrubs, propagated by axillary offsets. Lvs. thick., fleshy. 1. S. Tectorum. House-leek. — Zyi\^. fringed ; o^'ffa spreading. — A well known plant of the gardens, with thick, fleshy, mucilaginous leaves. It sends out runners with offsets, rarely flowering. It is so succulent and hardy that it will grow on dry walls, and on the roofs of houses (tectorum). It is sometimes placed in the borders of flower-beds. 2. S. ARBOREUM. Tree House-leek. — SI. arborescent, smooth, branched ; lvs. cuneiform, smoothish, bordered with soft, spreading cilise. — A curious and or- namental evergreen, from the Levant. Stem very thick and fleshy, branching into a tree-like form, 8 — lOf high (1— 3f in pots). Fls. yellow, rarely appearing. 4. BRYOPHYLLUM. Salisb. Gr. 3pvco, to grow, ^vXAov, a leaf; i. e. germinating from a leaf. Calyx inflated, 4-cleft scarcely to the middle ; corolla monopeta- lous, the tube long and cylindrical, 4-sided and obtuse at base ; limb in 4, triangular, acute lobes ; seeds many. — An evergreen, fleshy, 278 LXV. SAXIFRAGACEjE. Saxifhaga. suffruticose plant, native of the E. Indies. Lvs. opposite^ unequally pimiate, part of them sometimes simple. Fls. greenish-purple. B. cALYClNUM. Salisb. — Not uncommon in house cultivation, requiring but little water, in a well-drained pot ot rich loam. Stem thick, green, about 2f high. Leaves 3 — 5-tbliate, with thick, oval, crenate leaflets. Flowers in a loose, terminal panicle, pendulous, remarkable for the large, inflated calyx, and the long, tubular, exserted corollas.— This plant is distinguished in vegetable physiology. — See Fig. 10, 1, and ^ 88, a. 5. PENTHORUM. Gr. TTCVTC, five; on account of the 5-parted, angular capsule. Calyx of 5 sepals united at base ; petals 5 or 0 ; capsules of 5 united carpels, 5-angled, 5-celled and 5-beaked ; seeds 00, minute. — % Erect {not succidcnt) herbs. Lvs. alternate. Fls. yellowish., cymose. P. SEDoiDEs. Virginia Slone-crop. St. branched and angular above ; lis. nearly sessile, lanceolate, acute al each end, unequally serrate ; jls. in unilateral, cymose racemes. — A hardy plant of little beauty, in moist situations. Can. and U. S. Stem 10 — 16' high, with a few, short branches. Leaves 2 — 3' by i — 1', membranaceous, smooth, sharply and unequally serrate. Racemes several, i*ecurved at first, at length spreading, with the flowers arranged on their upper side, constituting a corym- bose, scentless, pale yellowish-green cyme. Pet. generally wanting. Jl — Sept. Order LXV. SAXIFRAGACE^.— Saxifrages. Herbs or shrubs. Lvs. alternate or opposite, sometimes stipulate. Cal. — Sepals 4 or 5, cohering more or less, persistent. Cor.— Petiils as many as the sepals, inserted between the lobes of the calyx. S/a. 5— 10. vl??.;/i«rs3-cellerl, oiienins; longitudinally. Ova. inferior, usually of a-carpels, cohering at base, distinct and divergent above. Fr. generally capsular, l— 2celled, many-seeded. Genera 33, species 440, native of temperate and frigid climes in both continents. As a tribe their roots are astringent. Several species are among our most ornamental, cultivated plants. Conspectus of the Genera. \ Capsule 2-celled Saxffrag-a. 1 ( Stamens 10. { Capsule 1-celled Tiarella. 5 < i Capsule 2-celled. . . . . . SulHvantia. 2 J entire. ( Stamens 5. ( Capsule 1-celled Heuchera. 3 i Petals 5, Jpectinately pinnatifid Mite.lla. i Herbs. J Petals 0. Leaves opposite. Aquatic, depressed Chrysosplentwn. S \ Petals valvale in festivation Hydrangea. 8 i Leaves opposite. < Petals convolute in aestivation Philadetphus. 9 Shrubs. ( Leaves alternate Ilea. 7 Suborder 1. SAXIFRAGEtE. Petals imbricate in aestivation ; carpels united, the summits dis- tinct, forming a beaked capsule. Herbs. 1. saxifrAga. Lat. saxum, a.xocV,fra7igerR, to break; often growing in the clefts of rocks. Sepals 5, more or less united, often adnate to the base of the ova- ry ; petals 5, eixtire, inserted on the tube of the calyx ; stamens 10 ; anthers 2-celled, with longitudinal dehiscence ; capsule of 2 connate carpels, opening between the 2 diverging, acuminate beaks (styles) ; seeds CO.— '^ 1. S. ViRGiNiENSis. Michx. (S. Virginica. Bw.) Earlij Saxifrage. L/vs. mostly radical, spatulate-obovate, crenately toothed, pubescent, short- er than the broad petiole; sc(7;(?e nearly leafless, paniculately branched above; fls. many, cymose ; ca.l. adherent to the base of the ovary ; pet. oblong, much exceeding the calyx. — An early and interesting plant, on rocks and dry hills, Can. and U. S. Scape 4 — 12' high, pubescent, annual. Leaves rather fleshy, 9 13" by 6 — 12". Flowers in rather dense clusters, white or tinged with pur- ple, in early spring. Heuchera. LXV. SAXIFRAGACEiE. 279 2. Pennsylvanica. Tall Saxifrage. Lvs. radical, oblong-lanceolate, rather acute, tapering at base, denticulate; scape nearly leafless ; branches alternate, with close cymes forming a diffuse paaicle ; fls. pedicellate ; pet. linear-lanceolate, but little longer than the calyx. — Larger than the foregoing, common in wet meadows, Me. to Ohio. Leaves fleshy, pale green, 5 — 8' by 1 — 2', on a broad petiole. Scape 2 — 3f high, gross, hollow, hairy and viscid, branched into a large, oblong panicle of yellowish green flowers of no beauty. May. 3. S. AizooN. Jacq. Lrs. mostly radical, rosulate, spatulate, obtuse, with cartilaginous, white teeth, and a marginal row of impressed dots ; Jls. corymbose-paniculate ; cat. (avidipcd. glandular- viscid) tube hemispherical, as long as the 5-toothed limb; pet. obovate ; sty. divergent, longer than the calyx. — Southern shores of Lake Sup. {Pitcher, in T. & G. L p. 566) on shady, moist rocks. Stem 5 — 10' high. Fls. white. Jl. 4. S. AIZOiDES. Casspitose, leafy ; lvs. alternate, linear-oblong, more or less ciliate, slight- ly mucronate, thick, flat, mostly persistent ; Jloivcring stevis annual ; fis. panicu- late, sometimes solitary ; sep. ovate, slightly coherent with the ovary ; pet. ob- long, longer than the sepals ; stigmas depressed ; caps, rather thick, as long as the styles. — In the clefts of rock-s, Willoughby Mt., Westmore, Vt. 500f above W. Lake, Wood, N. to the Arctic sea. Barren stems short, with densely crowded leaves ; flowering ones ascending, 2 — 4' long, with scattered leaves. Leaves 4 — 6" long, about 2" wide. Pedicels bracteate. Flowers yellow, dotted. 5. S. OPPOSiTiFOLiA. Opposite-leaved. Saxifrage. Lvs. opposite, rather crowded, obovate, carinate, ciliate, obtuse, punctate, persistent; fls. solitary; cal. free from the ovary; pet. large, obovate, 5-veined, longer than the stamens. — In the same locality as the above, Wood. Stems purplish, very branching and diffuse. Leaves bluish-green, 1 — 2" in length, narrowed and clasping at base. Flowering stems annual, 1 — 3' long. Flow- ers light purple, large and showy. Obs.—l discovered this and the foregoing species in the above localitj-, in Aug. 1845, when they had passed flowering. 6. S. RIVULARIS. St. weak, ascending, 3 — 5-flowered; radical lvs. petiolate, reniform, cre- nately lobed ; cauline lanceolate, subentire ; calyx lobes broad-ovate, nearly as long as the ovate petals, but much shorter than the thick, short-beaked capsules. — White Mts., N H., Oakes, N. to Arc. Am. A very small species, with white, bracteate flowers. Stems about 2' high, annual, with alternate leaves. 2. SULLIVANTIA. Torr. In honor of Wm. S. Sullivant, author of Musci Alleghanensis, &c. Calyx campauulate, coherent with the base of the ovary ; segments ovate, acute ; petals oval-spatulate, unguieulate, inserted on the sum- mit of the calyx tube, and twice as long as its lobes ; stamens 5, in- serted with the petals, shorter than the calyx ; capsule 2-beaked, 2- celled ; seeds 00, ascending ; testa wing-like, not conformed to the nucleus. — % Lvs. mostly radical, falmate-veiwA. Fls. in a loose pani- cle, small, white. S. Ohionis. Torr. A diffuse, weak-stemmed plant, first discovered in Highland Co., Ohio ! by him whose name it bears. Stem annual, very slender, 8 — 16' long, ascend- ing, glandular. Radical leaves roundish, cordate, lobed and toothed, 1 — 2' diam., on long petioles. Cauline leaves mostly very small, bract-like, cuneate at base, 3 — 5-toothed at summit. Ma}", Jn. 3. HEUCHfiRA. In honor of Prof Heucher, botanic author, Wittemberg, Germany. Calyx 5-cleft, coherent with the ovary below, segments obtuse ; co- 24* 280 LXV. SAXIFRAGACE^. Tiarella. rolla inferior, of 5 small, entire petals, inserted with the 5 stamens on the throat of the calyx ; capsule I -celled, 2-bealied, many-seeded. — % ZiVS. radical, l-ong-petioled. 1. H. Americana. Alum-root. Viscid-pubescent; Ivs. roundish, cordate, somewhat 7-lobed, lobes short and roundish, crenate-dentate, teeth mucronate ; panicle elongated, loose ; pedi- cels divaricate ; cal. short, obtuse ; pet. spatulate, about as long as the cal)^x ; sta. much exserted. — A neat plant, rare in the southern parts of N. Eng. and N, Y., frequent at the W. ! and S. Leaves all radical, 3— 3i' diam., on peti- oles 3-— 8' in length. Scape 2 — 4f high, paniculate, nearly 5 this length. Pe- duncles 2 — 3-flowered. Calyx campanulate, more conspicuous than the purplish- white petals. May, Jn. — Root astringent, hence the common name. 2. H. PUBEscENs. Ph. (H. grandiflora. Raf.') Scape naked, minutely-pubescent above, aiid with the long petioles, gla- brous below; Irs. glabrous, orbicular-cordate, 7 — 9-lobed, lobes rounded, and with rounded, mucronate, ciliate teeth ; ped. cymose, dichotomous, joints flexu- ous, almost geniculate ; fls. lar^e ; pet. longer than the included stamens ; sty. exserted. — Mts. Penn., Md ! Va. Scape 1 — 2f high. Leaves 3 — 5' diam., the veins beneath with a few scattered hairs. Flowers 5 — 6" long, purple. May, Jn. 3. H. RiCHARDsoNr. R. Br. Scape (naked) and petioles hairy and rough ; Irs. orbicular-cordate, with a deep sinus, 5 — 7-lobed, lobes obtuse, incisely crenate, ciliate ; panicle rather contracted ; cal. somewhat oblique ; pet. ciliolate, somewhat unequal, about the .ength of the sepals ; sta. a little exserted ; sty. included. — Prairies and bottoms, la. ! to Mo., N. to Can. Scape 1 — 2f high. Leaves glabrous above, veins be- neath hairy. Flowers 6 — 7" long. May. 4, MITELLA. Tourn. A Lat. diminutive from mitra, a mitre. See Tiarella. Calyx 5-cleft, campanulate ; petals 5, pectinately pinnatifid, insert- ed on the throat of the calyx ; stamens 5 or 10, included ; styles 2, short; capsule 1 -celled, with 2 equal valves. — % 1. M. DiPHYLLA. Cnrr ant-leaf. Bislwp's Cap. Lvs. cordate, acute, .sublobate, serrate-dentate, radical ones on long peti- oles, cauline 2, opposite, subsessile. — Very common in the woods of N. Eng. to Can. and Ky. Stem a foot or more high, bearing the pair of leaves near the midst. Leaves 1 — 3' long, nearly as wide, hairy, on hi.spid petioles 2 — 6' long. Flowers on short pedicels, arranged in a long, thin spike or raceme, and most beautifully distinguished by the finely divided white petals. Seeds black and shining. May — Jn. 2. M. NDDA. (M. prostrata, M.x. M. cordifolia. Lam.) Dwarf Mitella. Lis. orbiculate-reniform, doubly crenate, with scattered hairs above; scape filiform, few-flowered, naked or with a single leaf; pet. pinnatifid with filiform segments. — A very delicate species, growing in damp, rich, shady woodlands at Potsdam, N. Y., and in Northern N. Eng. Leaves and stems light green, pellucid. Scape 4 — 6' high, terminating in a thin raceme of white flowers, with finely pinnatifid petals. They are erect or prostrate, and send out creep- ing stolons from the base. Leaves f ' long and of nearly the same width. Jn. 5. TIARELLA. Lat. tiara, a mitre or some other head-dress, from the resemblance of the capsule . Calyx 5-parted, the lobes obtuse ; petals 5 ; entire, the claws in- serted on the calyx ; stamens 10, exserted, inserted into the calyx ; styles 2 ; capsule 1-celled, 2-valved, one valve much larger. — % Flow- ers white. T. CORDIFOLIA. Mitrc-icort. Gem-fruif. I/vs. cordate, acutely lobed, mucrbnate-dentate, pilose ; scape racemose ; Hydrangea. LXV. SAXIFRAGACE^. '281 stolons creeping. — Common in rocky woods Can. to Penn., and generally asso- ciated with MitcUa diphylla, which plant, in its general aspect, it much resem- bles. The scape arises from a creeping root-stock about 10' high, often bear- ing a leaf Leaves 2 — 3' long, -f- as wide, hairy, and on hairy petioles 4 — 6' long. Racemes 1 2A' long ; fls. wholly white, with minute bracts. May, Jn. 6. CHRYSOSPLENIUM. Tourn. Gr. xpvooi, gold, arrXriv, the spleen ; on account of the medicinal qualities. Calyx adnate to the ovary, 4 — 5-lobed, more or less colored inside ; corolla 0 ; stamens 8 — 10, superior, short ; styles 2 ; capsule obcor- date, compressed, 1 -celled, 2-valved, many-seeded. — Small, aquatic herbs. C. Americanum. Schw. (C. oppositifolium. Michx.) . Watei -carpet. Lvs. opposite, roundish, slightly crenate, tapering to the petiole. — A small plant, in springs and streams, spreading upon the muddy surface. Stem square, 3 — 6 inches long, divided in a dichotomous manner at top. Leaves opposite, J' in length, smooth. Calyx 4-cleft, greenish-yellow, with purple lines. Corol- la 0. Stamens 8, very short, with orange-colored anthers, which are the only conspicuous part of the flower. The terminal flower is sometimes decandrous. Apr. May. Suborder 2.— E SCAI/LONIEJ3. 7. I T E A . Gr. name for the willow ; from a resemblance of foliage. Calyx small, with 5, subulate segments ; petals 5, lance-linear, in- flexed at the apex, inserted on the calyx ; stamens 5, inserted into the calyx ; styles united ; capsule 2-celled, 2-furrowed, 8 — 12-seeded. — A shrub with alternate, simple leaves., and a simple., spicate, terminal raceme of white fioivers. I. VlRGINlCA. Margins of swamps and sluggish streams, N. J. and Penn, to Flor. Shrub about 6f high. Leaves IJ — 3' long, oval-acuminate, serrulate, on short petioles. Capsule oblong, acuminate with the style, its two carpels separating in maturity. May, Jn. Suborder. 3— H Y D R A N G E JE. ' Petals valvate. Capsules 2-celled. Leaves opposite, exstipulate. Shrubs. 8. HYDRANGEA. G) . vSoip, water, ayytov, a vessel ; because the cultivated species require so copious a supply of water. Marginal flowers commonly sterile, with a broad, rotate, 4 — 5-cleft, colored calyx, and with neither petals, stamens nor styles. Fertile fl. Calyx tube hemispherical, adherent to the ovary, limb 4 — 5-toothed, persistent ; petals ovate, sessile ; stamens twice as many as the petals ; capsule 2-beaked, opening by a foramen between the beaks ; seeds numerous. — Shrubs with opposite leaves. Fls. cymose, generally radiant. 1. H. arborescens. (H. vulgaris. Michx.) Conimon Hydrangea. Lvs. ovate, obtuse or cordate at base, acuminate, serrate-dentate, nearly smooth ; fls. in lastigiate cymes. — An elegant shrub, native in tlie Middle and Western States! cultivated in the Northern, attaining the height of 5 or 6f on . its native shady banks. Fertile flowers small, white, becoming roseate, very numerous. The cultivated varieties have either the marginal flowers radiate, or all sterile and radiate, f 2. H. auERCiFOLiA. Bartram. Oak-leaved Hydrangea. — Lvs. deeply sinuate- lobed, dentate, tomentose beneath ; cymes paniculate, radiant, the sterile f.mrers very large and numerous. — A beautiful shrub, native of Flor., not uncommon 282 LXVI. HAMAMELACE^. Hamamelis. in gardens. Height 4 — 5f. Leaves very large. Sterile flowers with roundish sepals, dull white, becoming reddish, very showy, f 3. H. HORTENSis. Changeable Hydrangea. — L/vs. elliptical, narrowed at each end, dentate-serrate, strongly veined, smooth ; cymes radiant ; fis. mostly sterile. — Probably native of China, where it has long been cultivated. Stems 1 — 3f high. Leaves large. Barren flowers very numerous and showy, at first green, passing successively through straw-color, sulphur-yellow, white, purple, and pink. The perfect flowers are central and much smaller. It thrives in large pots of peat mixed with loam, abundantly watered. The flowers endure sever- al months, f StJBORDER 4.— P HILiADELPHEjE. Petals convolute in aestivation. Capsule 3 — 4-celled, loculicidal. Shrubs. 9. PHILADELPHUS. Name from Philadelphus, king of Egypt. Calyx 4 — 5-parted, half-superior, persistent : corolla 4 — 5-petaled ; style 4-cleft ; stamens 20 — 40, shorter than the petals ; capsule 4- celled, 4-valved, with loculicidal dehiscence ; seeds many, arilled. — Handsome flowering shrubs. Lvs, opposite, exstipulate. 1. P. GRANDiFLORUS. Willd. (P. iuodorus. Mickz.) Large-Jloioered Syringa. — L/vs. ovate, acuminate, denticulate, 3-veined, axils of the veins hairy ; stig. 4, linear ; sty. undivided. — A very showy shrub, 6f high, native at the South, cul- tivated in shrubberies. Branches smooth, long and slender. Flowers large, in a terminal umbel of 2 or 3, white, nearly inodorous. Calyx divisions conspicu- ously acuminate, and much longer than the tube. Jn. — The upper leaves are often entire and quite narrow, f 2. P. coRONARius. False Syringa. — Lvs. ovate, subdentate, smooth ; sty. dis- tinct.— Native of S. Europe. A handsome shrub, often cultivated in our shrub- beries. The flowers are numerous, white, showy, resembling those of the orange both in form and fragrance, but are more powerful in the latter respect. It grows 5 — 8f high, with opposite, smooth, ovate, stalked leaves, and opposite, reddish twigs bearing leafy clusters of flowers, f Order LXVI. HAMAMELACE^. Shrubs. Lvs. alternate, dentate, the veinlets running direct from the mid-vein to the margin. Slip, de- Cal. adherent to the ovary, 4-cleft. [ciduous. Cor. — Petals 4, linear. Sta. 8, those opposite the petals barren (or many and all fertile, with no petals.) Ova. 2-celled, ovules solitaiy. Fr.— Capsule coriaceous, the summit free from the calyx, 2-beaked, 2-celIed. Genera 10, species 15, natives of N. America and Japan. No remarkable properties have been dis- covered. HAMAMELIS. Gt. ajia, with, fir)\oVy fruit; i. e. flowers and fruit together on the tree. Calyx 4-leaved or cleft, with an involucel of 2 — 3 bracts at base ; petals 4, very long, linear ; sterile stamens scale-like, opposite the petals, alternating with the 4 fertile ones ; capsule nut-like, 2-celled, 2-beaked. — Shrubs or small trees. H. ViRGiNiANA. Witch Hazel. Lvs. oval or obovate, acuminate, crenate-dentate, obliquely cordate at base, on short petioles ; Jls. sessile, 3 — 4 together in an involucrate, axillary, subses- sile glomerule. — U. S. and Can. A large shrub, consisting of several crooked, branching trunks from the same root, as large as the arm, and 10 — I2f high. Leaves nearly smooth, 3 — 5' long, f as wide. Petioles J' long. Calyx downy. Petals yellow, curled or twisted, f ' long. Capsule woody, containing 2 nuts. — This curious shrub is not unfrequent in our forests, and amidst the reigning LXVII. UMBELLIFERiE, 283 desolations of autumn and winter, this alone puts forth its yellow blossoms. The small branches were formerly used for " divining rods," to indicate the presence of the precious metals and of deep springs of water, and there are even at this day, persons who deem a denial of these virtues to the witch hazel, an offence little short of heresy. Order LXVII. UMBELLIFER^.— Umbellifers. St. herbaceous, hollow, furrowed. Lvs. usually divided, simple or compound, with sheathing petioles. F/s. arranged in umbels, mostly white, often yellow, pink, blue, or greenish. Cal. adhering to the ovary, entire or 5-toothed. Cor. — Petals 5, usually inflected at the point, imbricate in aestivation. Sta. 5, alternate with the petals and inserted with them upon the disk. Ova. inferior, 2-ceiled, surmounted by the fleshy disk which bears the stamens and petals. ' Sty. 2, distinct, or united at their thickened bases. Stig. simple. Fr. dry, consisting of2 coherent carpels, sejjarating from each other by their faces icommixsure) into two halves (merocarps) . Carpophore,— the slender, simple, or forked axis by which the carpels are borne, cohering to it by the faces of the commissure. Ribs.— A definite number of ridges traversing the carpels, the larger ones (primary) alternating with the smaller (.seco7idary). V"i«a;.— Little linear receptacles of colored volatile oil, imbedded in the substance of the pericarp, just beneath the intervals of the ribs and the commissure. Genera 267, species 1500.— This is a vast and well defined natural order, native of damp places, way- sides, groves, &c., in the cool parts of the world. Very few are found in tropical countries except upon the mountains. P7-opf?-nes aromatic, stimulant and carminative, depending upon a volatile oil residing in the vittae of the fruit, in the roots, ported by the bifid carpophore. 8. Surmitofthe fruit of 0. brevistylis. 9. Fruitof Conium maculatum, with the undulatecrenulate ribs. 10. Cross sec- tion, showing the grooved commissure and involute albumen. 11. Radiant flower of Coriandrtun 12. Vertical section of the globose fruit, show ing the minute embryo. c s •284 LXVII. UMBELLIFER^. Hydrocotyle, Conspectus of the Genera. * Plants native or naturalized. 4 Seeds flattish inside. SiMTO. 8 r Fr. laterally compressed. ( Seeds grooved inside. Canium. 28 I ii Petals radiant. . Heraclewn. 23 Fr. dorsally compressed. I Petals all equal. . Conioselinum. 18 I S with smooth ribs. . Ligusticum. 17 fof entire bracts. I Fr. scarcely compressed, ^ with bristly ribs. . Osmorhiza. 27 \ Rays 2—4. . . Sanicula. 3 4 Fr. very bristly. \ Rays many. . . Daucus. 25 i several. } Fruit not bristly Discopleurum. 5 'Involucre Lofcleftbracts, (one only, bipinnatifid Erigenia. 29 I Cal. limb ^ Leaves 3-parted, . . Ciyptotcsnia. 9 ■ S I < obsolete. ^ Leaves finely divided. . ChcErophyllum.^ 2 i2 ^ (Tr. laterally compressed. ( Calyx limb 5-toothed. . . Cicuta. 7 .? f ^ J 1 the margin singly winged. . . Arc)i6iiwra. 21 !* fi 1 Fr. dorsally compressed, i the margin doubly winged. . . Archangelica. 20 £ I D Linvoluc.O. L Fruit scarcely compressed, ovoid-globose .Xtkusa. 16 S I S Lvs. linear. . Crantzia. 2 o i with 4—30 pedicellate or subsessile flowers. ( Lvs. roundish. Hydrocotyle. I E I Umbels simple, (densely capitate, with 50 or more sessile flowers. . . . Eryngium. 4 I Carpels with 5 winged ribs Thaspium. 15 < Carpels with 5 filiform ribs Zizia. 10 ( Involucels minute. ( Carpels smooth, ribs obsolete. . . . Polyt(ie.nia. 24 Onvolucels very large. Leaves simple, perfoliate Bupleurum. 6 Flowers yellow. ( Involucels 0. Fruit much compressed dorsally Pastinaca. 22 * * Cultivated exotics, not naturalized. ( Fruit laterally <^ roundish. . Apium. 13 ( Petals all equal. -J compressed, ?oval. . . Carum. 11 f Involucre 0, or < ( Fruit not compressed. . . PimpineUa. 12 < of 1 entire bract. ( Petals radiant Coriandrum. 30 ^ white. ( Involucre of a few cleft bracts Petroselinum. \i Flowers I yellow Fmniculum. 19 Suborder 1.— O RTHOSPERM.E. The inner surface of the seeds and albumen flat or nearly so. 1. HYDROCOTYLE. Gr. vSoip, water, KorvXn, a vessel ; the concave leaf often holds water. Calyx obsolete ; petals equal, ovate, spreading, entire, the point not inflected ; styles shorter than stamens ; fruit laterally flattened, the commissure narrow ; carpels 3-ribbed, without vittae. — Herba- ceous, creeping, usually/ aquatic pkmis. Umbels simple. Involucre few- leaved. 1. H. Americana. Pennywort. Smooth and .shining; s^" fiiiform, procumbent; lvs. reniform-orbicular, slightly lobed, crenate ; umbels ses.sile, 3 — 5-flowered ; fr. orbicular. — %. A small, delicate plant, growing close to the moist earth beneath the shade of other vege- tables, Can. to S. Car. Stems branching, 2 — 6' long. Leaves thin, 1 — 2' diam., on petioles 2 — 3' long. Flowers greenish- white, small, nearly sessile, in sim- ple, capitate, .sessile, axillary umbels. Jn. — Aug. 2. H. iNTERRUPTA. Muhl. (H. Vulgaris. Michx.) Smooth ; lvs. peltate, orbicular, crenate ; itmhels capitate, proliferous, sub- sessile, about 5-flowered ; fr. acute at base. — 1\. In wet places, New Bedford, Mass. T. A. Greene, rare. Root and stem creeping. Leaves almost centrally peltate, thin, 8—10" diam. Petioles 2—3' long. Peduncles longer than the petioles. Flowers subsessile, in close umbels which become whorls in inter- rupted spikes by other umbels being successively produced on the extending peduncle. Jn. 3. H. UMBELLATA. Umbellate Pennywort. Smooth ; lvs. peltate, orbicular, crenate, emarginate at base, on long peti- oles ; scapes about as long as the petioles; wmicZs simple, often proliferous ; /s. pedicellate. — % In ponds and bogs, Mass. ! to La., rare. Stems creeping, often submersed, several inches long. Leaves 8 — 12" diam., notched at base so as to appear reniform. Petioles a little eccentric, and with the scapes slender, float- ing or erect, and 4—6' long. Umbels 20— 30-flowered, the upper pedicel often prolonged and umbellate. May — Jl. Erynoium. LXVll. UMBELLIFERiE. 285 4. H. RANUNcuLoiDEs. Linii. f. (H. cymbularifolia. Muhl.) Glabrous ; lis. roundish-reniform, 3 — 5-lobed, crenate ; petioks much longer than the peduncles ; umbels 5 — lO-flowered, capitate ; fr. roundish, smooth. — In water, Penn. to Ga. Stems weak, 1 — 2f long Leaves 1 — 2' diam., the middle lobe smaller than the others. Petioles 2— 3' long. Peduncle about 1' long. Jl. Aug. 2. C RANT Z I A. Nutt. In honor of Prof. Crantz, author of a monograph on the Umbelliferffi. Calyx tube subglobose, margin obsolete; petals obtuse; fruit sub- globose, the commissure excavated, with 2 vittjB ; carpels unequal, 5- ribbed, with a vitta in each interval. — Small, creeping herbs with line- ar or filiform, entire leaves. Umbels simple, involucrate. C. ijNEATA. Nutt. (Hydrocotyle. Mich.z.) Lvs. cuneate-linear, sessile, obtuse at apex, and with transverse veins, shorter than the peduncles. — Muddy banks of rivers, Mass. ! to La. Stems sev- eral inches long, creeping and rooting in the mud. Leaves 1 — 2' by 1 — 2", often linear and appearing'like petioles without lamina. Umbels 4 — 8-flower- ed. Peduncles ^ longer than the leaves. Involucre 4 — 6-leaved. Fruit with red vittae. May — Jl. 3. SANICULA. Tourn. Lat. sana.re, to cure ; on account of the reputed virtues as a vulnerary. Flowers 9 ^ J* ; calyx tube echinate, segments acute, leafy ; pe- tals obovate, erect, with a long, inflected point; fruit subglobose, armed with hooked prickles ; carpels without ribs ; vittae nnmerous. — % Umbel nearly simple. Rays few, with many-flowered, capitate umbel- lets. Involucre of few, often cleft leaflets, involucel of several, entire. 5. Marilandica. Sanick. Lvs. 5-parted, digitate, mostly radical ; Ifts. or segments, oblong, incisely serrate ; sterile fls. pedicellate, fertile sessile ; calyx segments entire. — In low woods, thickets, U. S., and Can., common. Stem 1 — 2f high, dichotomously branched above, smooth, furrowed. Radical leaves on petioles 6 — 12' long, 3- parted to the base, with the lateral segments deeply 2-parted. Segments 2 — 4' long, J as wide, irregularly and mucronately toothed. Cauline leaves few, nearly sessile. Involucres G-leaved, serrate. Umbels often proliferous. Um- bellets capitate. Flowers mostly barren, white, sometimes 3^ellowish. Fruit densely clothed With hooked bristles. Jn. 4. ERYNGIUM. Tourn. Gr, epvyeiVf to belch; a supposed remedy for flatulence. Flowers sessile, collected in dense heads ; calyx lobes somewhat leafy ; petals connivent, oblong, emarginate with a long inflexed poiiit ; styles filiform ; fruit scaly or tuberculate, obovate, terete, with- out vittae or scales. — Herbaceous or suffruticose. Fls. blue or white, bracteatc ; hirer bracts involucrate, the others smaller and paleaceous. 1. E. AauATicuM. Button Snake-root. Lvs. broadly linear, parallel-veined, ciliate with remote soft spines ; bracts tipped with spines, those of the involucels entire, shorter than the ovate-globose heads.— Low grounds on prairies, la. ! 111., &c. A remarkable plant, appearing like one ofthe Endogena?. Very glaucous. Stem simple, l—5f high. Leaves often 1— 2f long, §— U' wide. Heads pedunculate, *— 1' diam. Flowers white, inconspicuous. Jl. Aug. 2. E. ViRGiNiANUM. Lam. (E. aquaticum. Michx.) Lvs. linear-lanceolate, uncinately serrate, tapering to both ends ; invol. of 7—8 linear leaflets, longer than the heads, 3-cleft or spinose-dentate ; scales tri- cuspidate.— 71 Marshes, N. J. to Ohio, Prof. Lock ! and La. Stem hollow, 3_4f high, branched above. Leaves 6—10' bv 5—10", upper ones much small- ■286 LXVII. UMBELLIFER^. Cicuta. er. Heads numerous, less than 1' diam. Flowers pale blue or nearly white. Jl. Aug. 5. DISCOPLEURA. DC. Gr. Sia: baccate, fleshy ordry, crowned with the persistent calyx lobes. Seeds pendulous. Genera 14, species 2-20, chiefly natives of the northern temperate regions, and occasionally found in the alpine parts of the tropical zone. Properties.— The fever-root (Triosteum perfoliatum) is a mild cathartic, and in large doses emetic : the dried and roasted berries are sometimes substituted for coffee. The leaves and bark of the elder are both emetic and cathartic ; the flowers are sudorific, and the berries la.xative. The beauty and fragrance of the honeysuckles in cultivation are well known to every one. The order consists of two distinct tribes; Lonicerea; and Sambuceae. Conspectus of the Genera. t few-seeded Lonicera. \ i Berry 1 — 3-ce!led, ^ many-seeded Diervilla. 2 ( Shrubs, i! Berry 4-celled, 2 seeded Synvphoricarpus. 4 < 5 Stamens 4. Trailing, evergreen Linncea. 5 f tubular. (Herbs. (Stamens 5. Stem erect, simple Triostewin. 3 < J simple leaves Viburnum,. 7 Corolla ' rotate, regular. Shrubs with i pinnate leaves Sambucus. 6 Tribe 1. t,ONICEREJ3. Corolla tubular, the limb often irregular. Style filiform. 1. LONICERA. In honor of Adam Lonicer, a physician of Frankfort, in the 16th century. Calyx 5-toothed, tube subglobose ; corolla infundibuliform or cam- panulate, limb 5-cleft, often labiate ; stamens 5, exserted ; ovary 2 — 3 celled ; berry few-seeded ; stigma capitate. — A genius of climbing or erect shrubs, toiih opposite and often connate leaves. § Stems climbing. Flowers sessile, verticillaie. Caprifolium. 1. L: HiRstJTA. Eaton. (C. pubescens. GiMie.) Hairy Honeysuckle. L/vs. hairy above, soft-villose beneath, veiny, broad-oval, abruptly acumi- nate, the upper pair connate-perfoliate ; fls. in verticillate .spikes ; cor. ringent ; fil. bearded. — A shrubby climber, rather rare, in -n-oods, N. Eng. to Mich, antl Can., twining about trees to the height of 15— 20f The whole plant is more or less hairy. Leaves pale green, not shining, the edges and the upper side ciliate with scattered hairs. The flowers are large, numerous, greenish-yellow, in whorled, axillary and terminal clusters. Limb of corolla .spreading. Style and stamens exsert. Jn. 2. L. PARViPLORA. Lam. (C. parviflorum. Ph.) Small-flmcercd HoneysivcJde. L/V'S. smooth, shining above, glaucous beneath, oblong, all sessile or con- nate, the upper pair perfoliate; fls. in heads of several approximate whorls; cor. ringent; tube short, gibbous at base ; fil. bearded. — A small, smooth, shrubby climber, in rocky woods. Can. and CJ. S. Stem 8 — 1 Of long. Leaves wavy and revolute on the margin, very glaucous on the under side. Flowers rather small. Corolla V in length, yellow, tinged with dull red, gibbous at the base, the .short limb in curled segments. Stamens and style exserted. Berries orange-colored. May, Jn. /?. 1 Sullivantii. Lis. pubescent beneath, all except the upper pair distinct, the lower ones petiolate. — Ohio, W. S. Sulltvant ! S. Car. Miss Carpenter ! Per- haps distinct. LoNicERA. LXXl. CAPRIFOLIACE^. 299 3. L. FLAVA. Sims. (C. Fraseri. Ph.) Yellow Honeysuckle. Lvs. ovate, glaucous beneath, with a cartilaginous tnargin, upper pair connate-perfoliate ; spikes terminal, of close whorls ; car. smooth, tube slender, gibbous at base, limb somewhat ringent ; fll. smooth. — A beautiful shrub, scarcely twining, mountains, N. Y. to Ga. W. to Wisconsin. Often cultivated. Leaves deciduous, obtuse, abruptly contracted at base, except the upper perfo- liate pair. Flowers in heads of about 10, fragrant. Corolla an inch or more in length, the tube much longer than the limb, bright yellow. Upper lip much broader than the lower, in 4 segments. Jn. Jl. -J- 4. L. GRATA. Ait. (C. gratum. Ph.) Evergreen Honeysuckle. Lvs. evergreen, obovate, smooth, glaucous beneath, the upper pair con- nate-perlbliate ; Jls. in sessile, terminal and axillary whorls ; cor. ringent, tube long, slender, not gibbous at base. — A beautiful climbing species, damp wood- lands, N. Y., Penn. and Western States. Leaves opposite or in 3s, margin revolute. Flowers large and very fragrant, 5 or 6 in each whorl. Corolla pale yellow within, becoming reddish without. Stamens exserted. Berries red. The leaves are very obtuse, ending in a short, abrupt point. Jn. 5. L. sEMPERVlRENS. Ait. (C. scmpervircns. Mlchx.) Trumpet Honey suckle. L/vs. oblong, evergreen, the upper ones connate-perfoliate ; Jls. in nearly naked spikes of distant whorls ; cor. trumpet-shaped, nearly regular, ventricose above. — In moist groves and borders of swamps, N. Y. to Flor. and La. Com- mon in cultivation, where few flowers are found more beautiful, although they are deficient in tragrance. Stem woody, twining with the sun. Leaves ovate or elliptical, of a dark, perennial green above. Corolla trumpet-shaped, nearly 2' long, dilated at the mouth, with 5 short, nearly regular segments, of a fine scarlet without and yellow within. May — Aug. f 6. L. Periclymenum. Tourn. (C. Periclpnenum. Linn.) Woodbine Honey- suckk. — Lvs. deciduous, all distinct, elliptical, on short petioles ;/s. in ovate, imbricate, terminal heads ; cor. ringent. — A woody climber, native of Europe, cultivated and nearly naturalized. Flowers yellow and red, fragrant, succeeded by red berries. May — Jl. f /?. quercifolia. (^Oak-leaved Honeysuckle.) Lvs. sinuate-lobed. 7. L. Capripolium. (Caprifolium Italicum. R. (f- S.) Italian Honeysuckle. — Lvs. deciduous, the upper pair perfoliate-connate ; Jls. in a terminal verticil ; cor. ringent. — Native of Europe. Greatly admired in cultivation for its beauty and fragrance. Flowers of various hues, red, yellow and white. Jn. — Aug. f § § Stem erect. Flowers pedunculate, geminate. Xylostedm. 8. L. ciLiATA. Muhl. (Xylosteum ciliatum. Ph.) My Honci/suckle. Lvs. ovate, subcordate, ciliate ; corolla limb with short and subequal lobes; tuie saccate at base ; sty. exserted ; berries distinct. — A branching, erect shrub, 3 — 4f high, found in woods. Me. to Ohio and Can. Leaves thin, oblong-ovate, often cordate at the base, somewhat ciliate on the margin, and villose beneath when young. Flowers pale straw-yellow, in pairs at the top of the peduncle, with an obtuse spur turned outwards at the base. Berries ovoid, red, in pairs, but not connate, 3 — 5-seeded. June. 9. L. OBLONGiFOLiA. Hook. (X. oblongifolium. Goldie.) Lvs. oblong or oval, velvety-pubescent beneath; corolla limb deeply bila- biate; tube gibbous at base; ped. long, filiform, erect; berries connate or united into one, globose, purple, bi-umbilicate. — A shrub 3— 4f high, in swamps. Can. and N. Y. Leaves almost sessile, 1^—2' long, peduncles of equal length. Co- rolla hairy, greenish-yellow outside, purpli-sh inside, the lower lip nearly entire, the upper one 4-lobed, erect. Berries marked with the remains of the two calyces. Jn. 10. L. coERtjLEA. (X. villosum. M.V. X. Solonis. Eat.) Blue-fruited Honeysuckle. — Lvs. oval-oblong, ciliate, obtuse, villous both sides, at'leno-th smoothish ; ped. short, reflexed in fruit ; brads longer than the ovaries ; berries connate or united into one, deep blue. — A low shrub, in rocky woods, Mass. and N. Y., N. to Hudson's Bay. Stem 2f high, with small leaves and pairs of 26 300 LXXI. CAPRIFOLIACE^. Symphoricarpus. small, yellow flowers, which are longer than their peduncles. Leaves ovate, oval, obovate and oblong, ending abruptly. May, June. 11. L. Tartaric A. Tartarian Hnnajsuckle. — Stems erect, much branched; Ivs. ovate, cordate, obtuse, smooth, shining and dark green above, paler beneath, entire, on short petioles ; peduncles axillary, solitary, 2-flowered; segments of the corolla oblong, obtuse, equal. — Art elegant and much admired shrub, from Rus- sia. Grows from 4 to lOf high. Leaves 1 — 2' by | — U', coriaceous. Flowers small, pale purple, varying to pure white, fragrant. Apr. — Jn. f 2. D I E R V I L L A. Tourn. In honor of Dierville, a French surgeon, discoverer of the original species. Calyx tube oblong, limb 5-cleft; corolla twice as long, funnel- shaped ; limb 5-cleft and nearly regular ; stamens 5 ; capsular fruit 2-celled (apparently 4-celled from the projecting placentae), many- seeded. — Shrubs, with opposite, serrate, deciduous leaves. D. TRiFiDA. Mcench. (D. Tournefortii. Mlchx. D. Canadensis. Muhl.') Bush Honeysuckle. — Lrs. ovate, acuminate, on short petioles ; ped. axillary and terminal, 1 — 3 flowered ; caps, attenuate above. — A low shrub, not uncommon in hedges and thickets. Can. to Car. Stem about 2f high, branching. Leaves 3 — 4' by 1 — H', finely serrate, ending in a long, narrow point. Ovaries slender, 4 — 5" long, about half the length of the greenish yellow corolla. Stamens and style much exserted. Stigma capitate. Jn. 3. TRIOSTEUM. G-r. rpets, three, uo-reov, a l)one ; from the three bony seeds. Calyx tube ovoid, limb 5-parted, segments linear, nearly as long as the corolla ; corolla tubular, gibbous at base, limb 5-lobed, subequal ; stamens 5, included ; stigma capitate, lobed ; fruit drupaceous, crown- ed with the calyx, 3-celled, 3-seeded ; seeds ribbed, bony. — % Herba- ceous, rarely suffruticose. T. PERFOLiATUM. Fcver-wort. Lvs. oval-acuminate, connate ; fls. axillarj^ verticillate or clustered. — A coarse, unattractive plant, growing in rocky woods. Stem simple, stout, erect, round, hollow, 3 — 4f high, covered with soft, clammy hairs. Leaves 6' by 3', entire, abruptly contracted at base, yet always connate, nearly smooth above, pubescent beneath. Flowers sessile, in clusters of 5 or G. Corolla dull pur- ple, viscid-pubescfi.it, the limb in 5 rounded lobes. Fruit a rather dry drupe, somewhat 3-sided, crowned with the long, leafy, spreading calyx segments, orange-colored when mature, containing 3 bony nuts or seeds. June. — The root is large and fleshy, and in much repute in medicine, having many of the properties of Ipecacuanha. 4. SYMPHORICARPUS. Gt. cvv, together, (ptpu), to bear, Kapiros, fruit; bearing fruit in close clusters. Calyx tube globose, limb 4 — 5-toothed ; corolla funnel-shaped or bell-shaped, the limb in 4 — 5 subequal lobes ; stamens 4 — 5, inserted on the corolla ; stigma capitate ; berry globose, 4-celled, 2-seeded (2 opposite cells abortive). — Small shrubs, with entire lvs. and small fls. 1. S. RACEMosus. Michx. (Symphoria. Pcrs.) Snmv-berry. Fls. in terminal, loose, interrupted, often leafy racemes ; cor. campanu- late, densely bearded within; sty. and5te. included. — A smooth, handsome shrub, 2 — 3f high, common in cultivation, and native in Western N. Y., Canada, &c. Leaves oval or oblong, the margin often wavy, nearly or quite smooth, paler beneath, on short petioles. Corolla rose-color, the throat filled with hairs. Ber- ries large, round or ovoid, of a snowy white, and very ornamental when ma- ture. July, Aug. 2. S. occiDENTALis. R. Br. Wolf-bemj. Lvs. ovate, obtusish ; spikes dense, axillary and terminal, subsessile, nod- ViRURNUM. LXXI. CAPRIFOLIACE^. 301 ding ; cor. somewhat funnel-form, densely bearded inside ; sta. and bearded style exserted. — Woods, Mich, to Wis. Lwpham! and Can. Shrub 8 — 4f high. Leaves 1 — 3' by f — 2'; pubescent or nearly glabrous, paler beneath. Corolla rather larger and more expanded than in the last, purplish-white. Berries white. July. 3. S. VULGARIS. Michx. (Lonicera symphoricarpus. Linn. Symphoria glomerata. Nutt.) — Lvs. roundish-oval ; spikes axillary, subsessile, capi- tate and crowded ; car. campanulate, lobes nearly glabrous ; sta. and bearded style included.— River banks, Penn. to Mo. and S. States. Shrub 2— 3f high. Branches purplish and often pubescent. Leaves 1 — 2' by f — IJ', somewhat pubescent. Corolla greenish-red. Berries purple. 5. LINN^ A. Gron. In honor of Carl Von Linne, the most profound of naturalists, ancient or modem. Calyx tube ovate, limb 5-parted, deciduous ; bracteoles at base 2 ; corolla campanulate, limb subequal, 5-lobed ; stamens 4, 2 longer than the other 2 ; berry dry, 3-celled, indehiscent, 1-seeded (2 cells abortive). — A trailing, evergreen herb, widely disseminated throughout the northern temperate zone. L. BOREALis". Gron. Twin-floiver. The only species, native of moist, shady, rocky soils, generally in evergreen woods, from lat. 39" to the Arc. Sea. It has long, creeping, filiform, brownish stems, rooting and branching their whole length, and covering the ground in large patches. Leaves small, opposite, petiolate, roundish, with obtuse lobes or teeth, and scattered hairs. Peduncles filiform, slightly hairy, about 3' high (the only erect part of the plant), the lower part leafy, the upper furnished with a pair of minute, linear, opposite bracts, and terminating with 2 pedicellate, nodding flowers. The corolla is rose-colored and very fragrant. Jn. Tribe 2. SAMBUCE^. Corolla regular, rotate. Stigmas 3 — 5, nearly sessile. 6. SAMBUCUS. Lat. sambuca, a musical instrument, said to have been made of the elder. Calyx small, 5-parted ; corolla 5-cleft, segments obtuse ; stamens 5 ; stigma obtuse, small, sessile ; berry globose, pulpy, 3-seeded. — Shrubs or perennial herbs, with pinnate, or bipinnate lvs. Fls. in cymes. 1. S. Canadensis. Common Elder. St. shrubby ; cymes 5-parted ; lvs. nearly bipinnate ; Ifts. oblong-oval, acu- minate, smooth. — A common, well known shrub, 6 — lOf high, in thickets and waste grounds, U. S. and Can. Stem filled with a light and porous pith, espe- cially when young. Leaflets in 3 or 4 pairs with an odd one, serrate, the lower ones often binate or trifoliate. Petioles smooth. Flowers numerous, in very large (2f broad in la!) level-topped cymes, white, with a heavy odor. Berries dark purple. May — Jl. 2. S. PUBENS. Michx. Panickd Elder. St. shrubby ; cymes paniculate or pyramidal ; Ifts. oval-lanceolate, acumi- nate, in 2 or 3 pairs, with an odd one, and, with the petiole, pubescent beneath. — A common shrub, in hilly pastures and woods, Hudson's Bay to Car., growing about 6f high, often more or less. Leaves simply and unequally pinnate. Leaflets sharply serrate, very pubescent when young. Flowers in a close, ovoid thyrsus or panicle. Corolla white. Berries scarlet, small. Jn. ff. leucocarpa. Berries white. — Catskill Mountains. T. (f* G. 7. VIBURNUM. Lat. viere, to tie ; for the pliancy of the twigs of some of the species. Calyx small, 5-toothed, persistent ; corolla limb 5-lobed, segments obtuse ; stamens 5, equal, longer than the corolla ; stigmas mostly 3(» LXXl. CAPRIFOLIACE^. Viburnum, sessile; drupe 1 -seeded. — Shrubs or small trees. Lvs. simple, petiolaie. Fls. cymose, sometimes radiant. * Cymes radioMt, the marginal Jlowcrs much larger than the others and neutral, 1. V. LANTANoiDES. HiMlc-bush. Wayfaring Tree. Lvs. orbicular-cordate, abruptly acuminate, unequally serrate ; pet. and veins covered with a ferruginous down ; cymes sessile ; fr. ovate. — A shrub, very ornamental when in flower. It is rather common in the rocky woods of N. Eng. and N. Y., which it adorns in early spring with its large cymes of bril- liant white flowers. Height about 5f Branches long and crooked, often trail- ing and rooting. Leaves very large, covered with a rusty pubescence when young, at length becoming green, the dust and down remaining only upoil the stalk and veins. The radiant, sterile flowers of the cyme are near 1' diam., from a greenish color becoming white, flat, with 5 rounded lobes. Inner flowers much smaller, fertile. May. 2. V. optJLUs. /?. Americana. Ait. T. & G. (V. Oxycoccus. PA.) High Cranberry. — Smooth ; Irs. 3-lobed, 3-veined, broader than long, rounded at base, lobes divaricate, acuminate, crenately toothed ; 'petioles glandular ; cymes pedunculate. — A handsome shrub, 8 — I2f high, in woods and borders of fields, N. States and Brit. Am. Stems several from the same root, branched above. Leaves with large, remote, blunt teeth, the stalks with 2 or more glands at base, channeled above. Cymes bordered with a circle of large, white, barren flow- ers, like the preceding species. Fruit resembles the common cranberry in fla- vor, and is sometimes substituted for it. It is red, very acid, ripens late, re- maining upon the bush after the leaves have fallen. June. /?. roseum. Chielder Rose. Snow-hall. — Lis. rather acute at base, longer than broad, lobes acuminate, with acuminate teeth; petioles glandular; ^5. all neu- tral, in globose cymes. — Native of Europe. This variety is the popular shrub so generally admired and cultivated as a companion of the Lilac, Snowberry, Philadelphus, &c. Its dense, spherical cymes are wholly made up of barren flowers. ♦ * Cymes not radiant. Flffioers all similar and fertile. Leaves lobed or incised. 4. V. ACERiFOLiUM. Maple-kavcd Viburnum. Dockmackic. Lvs. subcordate, acuminate, 3-veined, 3-lobed, acutely serrate ; pet. with- out glands ; cy^nes on long peduncles. — A shrub, 4 — Gf high, with yellowish green bark, growing in woods. Can. and U. S. Leaves broad, rounded and sometimes cordate at base, divided into 3 acuminate lobes with sharp serra- tures, a form not very unlike that of the maple leaf, the under surface, as well as the younger branches a little downy. Branches straight, slender, very flexi- ble, ending with a pair of leaves and a long-stemmed, cymose umbel of white flowers. Fruit oval, compressed. Stamens much exserted. June. 5. V. PAUGiFLORUM. Pylaie. Fcw-Jlffivered Viburnum. Nearly smooth in all its parts ; lvs. roundish, slightly 3-lobed or incised at summit, mostly 5- veined from the base; cymes small and pedunculate, termi- nating the very short lateral branches; fil. much shorter than the corolla. — A small shrub, with white flowers, Mansfield Mt., Vt. Macrae, White Mts., N. H. Robbins, N. to Newfoundland. 6. V. Lentago. Sweet Viburnum. Lvs. ovate, acuminate, acutely and finely uncinate-serrate ; petiole with undulate margins. — A common, tree-like shrub, in rocky woods, Can. to Ga. and Ky. Height 10 — 15r Leaves smooth, conspicuously acuminate, about 3' long and half as wide, their petioles with a curled or wavy, dilated border on each side. Flowers white, in broad, spreading cymes, succeeded by well-fla- vored, sweetish berries of a glaucous black. Jn. 7. V. NUDUM. Naked-stalked Viburnum. Withe Rod. Smooth ; lvs. oval-oblong, revolute at the edge, subcrenulate ; pet. naked ; cymes pedunculate. — A slirub or small tree, 10 — 15f high, in swamps, U. S. Leaves elliptical, punctate, coriaceous, the margin more or less rolled, nearly entire, smooth as well as every other part, and Arhen full grown, 3 or 4 inches LXXII. RUBIACEiE. 303 tong. Cymes large, on peduncles an inch or two in length, with caducous bracts. Flowers numerous, white. Berries dark blue, covered with a glaucous bloom, sweetish when ripe. June. ff . cassinbides. (V. pyri folium. Lam.) Z/t;5. ovate, oval or ofteri rhomboidal, acuminate, acute, obtuse or even emarginate on the same twig; margin finely serrate ; fr. oblong-ovoid. 8. V. PRUNiFOLiUM. Black Haw. Sloe. Lvs. smooth, roundish-obovate, acutely serrate, with uncinate teeth ; peti- oles margined with straight, narrow wings. — In woods and thickets, N. Y. to Ga. A shrub or small tree, 10 — 20f high, the branches spreading, some of them often stinted and naked, giving the plant an unthrifty aspect. Leaves about 2' long and nearly as wide, on short petioles, slightly margined. Cymes rather large, terminal, sessile. Flowers white, succeeded by oval, blackish berries which are sweet and eatable. June. 9. V. DENTATUM. Arrmo^oood. Nearly smooth ; lvs. roundish-ovate, dentate-serrate, subplicate, on long stalks; aj7nes pedunculate. — A shrub, 8 — 12f high, not uncommon in damp woods and thickets, Can. to Ga. It is called arrow-wood from the long, straight, slender branches or young shoots. Leaves roundish, 2 — 3' diam., the upper pair oval, the veins beneath prominent, parallel and pubescent in their axils. Flowers white, succeeded by small, roundish, dark blue berries. June. 10. V. PUBESCENS. Doumy Viburnum. Lvs. ovate, acuminate, dentate-serrate, subplicate, villous beneath and somewhat hairy above, on short stalks ; stipules 2, subulate ; cymes pedunculate ; fr. oblong. — In dry, rocky woods and thickets, Can. to Car. rare. A shrub, about 6f high. Leaves about 2' long, each with a pair of short, hairy, subulate appendages (stipular I) at the base of the very short petiole. Cymes small, few- iiowered. Flowers ratner larger than those of the foregoing species, white. Jn. 11. V. TiNUS. LaurestiTW. — Lrs. ovate, entire, their veins with hairy tufts beneath. — An exceedingly beautiful evergreen shrub, from Europe. Height 4 — 5f. Leaves acute, veiny, dark shining green above, paler beneath. Flowers white, tinged with red, very showy. Degrees of pubescence variable. Order LXXII. RUBIACEtE.— Madderworts. Treeg. shrubs, and ?ierbs. Lvs. opposite, sometimes verticillate, entire. Slip, between the petioles, sometimes resembling the leaves. Cal. — Tube more or less adherent (superior or half-superior), limb 4 — 5-cIeft. Cor. regular, inserted upon the calyx tube, and of the same number of divisions. Sta. inserted upon the tube of corolla, equal in number and alternate with its segments. Otta. 2- (rarely more) celled. Sryle single or partly divided. Fr. various. Seeds one, few or many in each cell. Genera 299, species 2982. It is generally divided into two Suborders, viz., SteUatcB and Cinchoneie, to which a third, LoganiecE- (which has no representatives at the North) is appended byTorrey and Gray. The species of the first Suborder, Stellata;, are common in the northern parts of both continents ; the two other Suborders chiefly prevail in warm or torrid regions. Properties.— \ very important family, furnishing many useful products. The madder, one of the most important of dyes, is furnished by the root of Rubia tinctoria. A similar coloring matter is possessed by several species of Galium. Among the Cinc.hon-eiB we find Cinchona and CephSelis furnishing two of the most valuable of all medicines. Penivian lark, a powerful febrifuge, well known and appreciated everywhere, is the product of several species of the former, viz.. Cinchona micranthia, C. condaminea, C. lanccolata. C. magnifolia. &c., all natives of Peru. Their febrifugal properties depend upon the pres- ence ol two alkalies, Cinchonia and Qicinia. both combined with Kinicacid. Ipecacuanha, the prince of all emetics, is the product of the root of CephSelisIpecacuanha, a little shrubby plant with creeping roots, in the damp forests of Brazil. Several other species of Cinchonese aftbrd substitutes for the true ' ipecac. Coffee i?the hard albumen of the seeds of CofTea Arabica, a tree of moderate size, with a light brown trunk and a conical shaped head. Leaves shining, light green. Flowers white, fragrant. The berriea are black when ripe. (Toffee is said to have been used in Ethiopia from time immemorial. In Paris and London it seems not to have been in general use earlier than the year 1700, but since that time, enough has been drank in Einope and America to float the British navy. Cmispectus of the Genera, f Leaves (and interpetiolar leaf-like stipule.^) in verticils. . . . Galium. l i C Ovary with 2 corollas ! Mitchella. 2 J I ( Capsule 2-celled, many-seeded. . Hedyotis. 3 ] I Ovary < Carpels 2, l-seeded, 1 indehiacent. . Spermacoce. 4 Leaves \ Herbs. I simple. ( Carpels 2, l-seeded, both indehiscent. Diodia. 5 S adherent, [opposite. < Shrubs, with flowers in globose heads Cephalanthiis. 6 0\'ary ( nearly free from the calyx. Leaves opposite Spigelia. 7 26* 304 LXXIl. RUBIACEiE. Galium. Suborder 1. — S T E L Li A T ^ . Calyx wholly adherent (superior) to the ovary which is two-celled, two-seeded. Leaves verticillate. Herbs. 1. GALIUM. Gt. yaXa, milk; the flowers of one species (G. verum) are used in coagulating milk. Calyx minute, 4-toothed ; corolla rotate, 4-cleft ; stamens 4, short • styles 2 ; carpels 2, united, 1 -seeded, indehiscent. — Herbs, with slen- der, A-angled stems. Lvs. verticillate. * Fruit smooth. 1. G. ASPRELLUM. Michx. Boiigk Cleavers or Clivers. St. diffuse, very branching, rough backwards ; lvs. in 6s, 5s or 4s, lanceo- late, acuminate or cuspidate, margin and midvein retrorsely aculeate ; ped. short, in 2s or 3s. — 7|.Common in thickets and low grounds, Can. and Northern States. Stem weak, 2 — 5f long, leaning on other plants, and closely adhering to them by its minute, retrorse prickles. Leaves 5 — 8" by 2 — 3". Flowers white, small and numerous. Fruit minute, smooth, often slightly hispid when young. Jl. 2. G. TRiFiDUM. Dyers' Cleavers. Goose-grass. St. decumbent, very branching, roughish with retrorse prickles; lvs. in 5s and 4s, linear-oblong or oblanceolate, obtuse, rough-edged ; parts of the Jlcncer mostly m 3s. — %. In low, wet grounds. Can. and U. S. It is one of the smallest of the species. Leaves 3 — 6" by 1 — 2", often cuneate at base. Peduncles mostly in 3s, and axillary. Flowers small, white. Jl. /?. tinctorium. Torr. (G. tinctorium. Linn.') — S^. nearly smooth ; lvs. of the stem in 6s, of the branches in 4s; ped. 2 — 3-flowered; parts of the flower in 4s. — A .somewhat less slender variety than the first. The root is said to dye a perma- nent red. y. latifolium. Torr. (G. obtusum. Bw.) — I/cs. in 4s, oblanceolate, obtuse ; ped. 3-flowered ; parts of the flower in 4s. 3. G. VERUM. Yell€V'< Bedstraw. Erect ; lvs. in 8s, grooved, entire, rough, linear ; fls. densely paniculate. — 1]. Found in dry, open grounds, in the vicinity of Boston, probably introduced. Bigelou\ Root long, fibrous. Stem slender, erect, 1 — 2f high, with short, op- posite, leafy, unequal branches. Leaves deflexed, linear, with rolled edges. Flowers numerous, small, yellow, in small, dense, terminal panicles. Jn. — The roots dye red. The flowers are used in England to curdle milk. ^ 4. G. coNCiNNUM. Torr. & Gray. St. decumbent, diffusely branched, retrorsely scabrous on the angles; lvs. in 6s, linear, glabrous, 1-veined, scabrous upwards on the margins ; ped. fili- form, twice or thrice trichotomous, with short pedicels ; lobes of the corolla acute. Dry woods and hills, Mich., Ky. 7'. <^ G. la. ! Stems very slender, 10 — 15' high. Leaves in numerous whorls, 5—8" by 1", slightly broader in the middle. Flowers minute and numerous, white. Jn. * * Fruit hispid. 5. G. APARlNE. Common Cleavers. St. weak, procumbent, retrorsely prickly ; lvs. in 8s, 7s or 6s, linear-oblan- ceolate, mucronate, rough on the midvein and margin; ped. axillary, l-s-2-flow- ered. — ® In wet thickets, Can. and Northern States to la. Pluvimer! Stems several feet long, leaning on other plants, and closely adhering by their hooked prickles to everything in their way. Leaves 12 — 2(3" by 2 — 3". Flowers nu- merous, small, white. Fruit rather large, armed with hooked prickles. Jn. — The root will dye red. The herbage is valued as a domestic ^emed3^ ^ 1 6. G. TRiFLORUM. Michx. T)-i-Jlov:ering GaVnim. St. weak, often procumbent, smoothish, shining ; lvs. in 5s and fis, lanceo- late, acuminate-cuspidate, 1 -veined, scarcely ciliate on the margin; ped. elon- gated, axillary, 3- (rarely 2 ) flowered at the extremity; /5. pedicellate ;/r. Hkdyotis. LXXII. RUBIACEiE. 305 hispid with hooked hairs. — % Grows in moist thickets and woods, Can. and U. S. Stem 1 — 3f long, slightly branched. Leaves 1 — 2' long, \ as broad, often obovate. Flowers greenish-white, small. Fruit whitish with its uncinate clothing. Jl. 7. G. BOREALE. (G. septentrionale. Bw.) Northern Galium. St. erect, smooth ; Ivs. in 4s, linear-lanceolate, rather acute, 3-veined, smooth ; fls. in a terminal, p}Tamidal panicle. — 1\. Grows in rocky, shady places, Northern States and Brit. Am. Stems If or more high, sev^eral together, branched above. Leaves 12 — 20" by 2 — 9", tapering to an obtusish point. Flowers numerous, small, white, in a thyrse-like panicle at top of the stem. Fruit small. Jl. 8. G. piLosuM. Ait. (G. puncticulosum. Michx.) Hairy Galium. St. ascending, hirsute on the angles ; lis. in 4s., oval, indistinctly veined, hirsute both sides and punctate with pellucid dots ; ped. several times forked, each division 2 — 3-flowered; fls. pedicellate. — % A rare species, found in dry woods and sterile .soils, Mass. ! to la.! and Tex. Stem 1 — 2f high, acutely 4- angled, mostly with few, short, spreading branches, sometimes much branched. Leaves 9 — 12" by 4 — 8", obtusish, very hairy as well as the stem and firuit. Flowers purplish. Jn. 9. G. cmcEZANs. Michx. Circma-like Galium. St. erect or ascending, smooth ; Ivs. in 4s, oval or ovate-lanceolate, 3- veined, smoothish, ciliate on the margins and veins ; ped. divaricate, few-flow- ered; fr. subsessile, nodding. — 1\. Grows in woods, U. S. and Can. Stem about If in height, with a few short branches near the top, or simple. Leaves 1 — 2' by 4 — 8". Flowers on very short, reflexed pedicels, scattered along the (usually 2) branches of the dichotomous peduncle. Fruit covered with little hooks as in Circasa. Jl. — The leaves have a sweet taste like liquorice. /?. 1 lanceolatum. Torr. TG. Torreyi. Bw.) Very smooth ; Ivs. lanceolate; fr. sessile. — A line variety \ with larger leaves (2' or more in length). Flowers purple. y. 1 montanum. T. & G. (G. Littelli. Oakcs.) Dwarf; Ivs. obovate. — White Mts. Oakes. Suborder 2.— C INCHOXEiE. Calyx adherent to the ovary. Leaves opposite (rarely verticillate). Stipules between the petioles, often united with them into a sheath. 2. MITCHELL A. In honor of Dr. John Mitchell, an English resident in Virginia. Flowers 2 on each double ovary ; calyx 4-parted ; corolla funnel- shaped, hairy within ; stamens 4, short, inserted on the corolla ; stig- mas 4 ; berry composed of the 2 united ovaries. — Evergreen herbs, smooth ayid creepitig, with opposite leaves. M. REPENs. Partridge Berry. St. creeping ; Ivs. roundish-ovate, petiolate. — A little prostrate plant found in woods throughout the U. S. and Can. Stem furnished with flat, coriaceous, dark green leaves, and producing small, bright red berries, remarkably distin- guished by their double structure, and remaining on the plant through the win- ter. The corollas are white or tinged with red, very fragrant. Fruit well fla- vored but dry and full of stony seeds. Jn. 3. HEDYCTIS. Gr. r)Sv;, sweet, (jus) oto;, the ear; said to cure deafness. Calyx tube ovate, limb 4-parted ; corolla 4-lobed ; stamens 4, in- serted on the corolla ; stigma 2-lobed ; capsule 2-celled, many-seeded. — Herbs, rarely shrubs. Lvs. opposite. Stip. connate ivith the petiole. 306 LXXII. RUBIACE^. Spermacoce. § Corolla hypocrateriform, with a long tube, limb glabrous. Peduncles l-jlowered. Hodstonia. Linn. 1. H. ccERULEA. Hook. (Hous. ccerulea. Linn.) Dwarf Pink. Innocence, Radical lis. ovate-spatulate, petiolate; sts. erect, numerous, dichotomous ; fed. filiform, 1 — 2-flowered. — An elegant little plant, found in moist grounds, fields and road-sides, Can. and U. S. Its blossoms appear early, and are usu- ally found in patches of considerable extent, covering the surface of the ground with a carulean hue. The cauline leaves are small, opposite, lance-ovate. Stems very slender, forked, 3 — 5' high, each branch bearing a flower. Corolla pale blue, yellowish at the centre. May — Aug. 2. H. MINIMA. T. & G. (Houstonia. Beck.) Glabrous, simple or dichotomously branching ; Ivs. linear-spatulate, much attenuated to the base ; ped. axillary and terminal, often longer than the leaves ; sds. 10 — 15 in each cell, oval, smooth, concave on the face. — Prairies, &c., Mo. ! Tenn. ! to La. Very small and delicate, 1 — 3' high. Leaves about 5" by 1". Flowers rose-color. Mar. — May. § § Corolla infundibuliform, often hairy inside. Flowers in terminal racemes. Amphiotis. DC. 3. H. ciLiOLATA. Torr. (Hous. Canadensis. MuM.) Chistered Dwarf Pink, Radical lis. ovate, obtuse, narrow at the base, ciliate on the margin ; cau- line ones ovate-spatulate, sessile; corymbs terminal, pedicellate; ped. tricho- tomous ; divisions of the calyx lance-linear. — Banks of lakes and rivers, Onta- rio ! Niagara ! W. to Ohio. A little plant, stouter than the last. Root-leaves numerous, stem-leaves few. Stems smooth, 4-angled, branched above, and bearing a corymbose cluster of numerous pale purple flowers. Calyx half-ad- herent, its lobes about half as long as the tube of the corolla. May — July. 4. H. LONGiFOLiA. Hook. ("Houstonia longif. Gaert.) Long-leaved Dioarf Pink. — Radical Ivs. oval-elliptic, narrowed to each end ; cauline linear or lance-linear, 1-veined ; fs. in small, paniculate cjTnes. — Tj. Dry hills, N. and Mid. States ! to Ark. and Flor. Much more slender than the next. Stems erect, 5 — 12' high, 4-angled, smooth or ciliolate on the angles. Leaves 9 — 15" by 2—3", cauline sessile, rather acute at each end, all smooth. Flowers 2 or 3 together, on very short pedicels, pale-purple, Avith deeper-colored striae in the throat. Jn. Jl. 0.1 (H. tenuifolia. Nutt.) St. very branching ; Ivs. very narrow; ped. 61i- form ; jls. smaller. 5. H. PURPUREA. Torr: & Gray. (Houstonia. Linn.) St. ascending, clustered, branching, 4-angled ; Ivs. ovate-lanceolate, 3 — 5- veined, closely sessile ; cy7nes 3 — 7-flowered, often clustered ; calyx segments lance-linear, longer than the capsule. — Mid. and W. States ! in woods and on river banks. A very delicate flowerer, about If high. Leaves 1 — 2' long, ^ as wide. Corolla (purple, T. Heads radiate* 8. TUSSILAGO. Altered from the Lat. tuseis, cough ; considered a good expectorant. Heads many-flowered ; flowers of the ray 9. those of the disk cT; involucre simple ; receptacle naked ; pappus capillary. — ^t- Lvs. radi- cal. Fls. yeUow., with very narrmo rays. T. Farfara. CoWs-foot. A low plant, in wet places, brook sides, N. and Mid. States, and is a cer- tain indication of a clayey soil. Scape scaly, about 5' high, simple, appearing with its single, terminal, many-rayed, yellow, head, in March and April, long before a leaf is to be seen. Leaves arising after the flowers are withered, 5 — 8' by 3 — 6', cordate, angular, dentate, dark green above, covered with a cotton- like down beneath, and on downy petioles. ^ 1 9. NARDOSMIA. Cass. Gr. vapSos, spikenard, oo-^ij, smell; from the fragrance of the flowers. Heads many-flowered, somewhat 9 J*; flowers of the ray 9) of the disk $ , but abortive in the sterile plant ; involucre simple ; recep- tacle flat, naked ; pappus capillary. — '^■ Lvs. radical. Fls. cyanic. The ray flowers of the sterile heads are in a single row ; of the fertile heads in several., but very narroto. N. PALMATA. Hook. (Tussilago. Ait^ Scape with a fastigiate thyrse or corymb ; lvs. roundish-cordate, 5 — 7-lobed, tomentose beneath, the lobes coarsely dentate. — In swamps, Fairhaven, Vt., Robbins. Sunderland, Mass., Hitchcock. W. to R. Mts. Very rare. A coarse, acaulescent plant, with large, deeply and palmately-lobed leaves, and a stout scape covered with leaf-.scales and I — 2f high. The heads are fragrant, nume- rous, with obscure rays, those of the barren plants almost inconspicuous. May. Tribe 3. ASTEROIDEJE. Heads radiate, rarely discoid. Branches of the style more or less flattened and linear, equally pubescent above outside. Leaves mostly alternate. Section 1. Heads radiate. Rays cyanic. 10. ASTER. Gr. atrrrip, a star ; from the radiated flowers. Involucre oblong, imbricate ; scales loose, often with green tips, the outer spreading ; disk flowers tubular, $ ; ray flowers 9 > in one row, generally few (6 — 100), ligulate, oblong, 3-toothed at apex, finally revolute ; receptacle flat, alveolate ; pappus simple, capillary, scabrous ; achenium usually compressed. — A large genus of % Iicrbs, very abundant in tJie TJ. S.,flmvering in late summer and autumn. Lvs. altern/ite. Disk fls. yellowy changing to purple, ray flowers blue, purple or white, never yellow. § Scales imbricate, with appressed, greenish tips. Rays 6 — 15. Lower leaves cordate, petiolate. Heads corymbose. Biotia. DC. 1. A. coRYRrBosus. Ait. (Eurybia corymbosa. Cass.) Corymbed Aster. St. corymbose-fastigiate, smooth ; b^-anches hairy ; lvs. ovate, acutely ser- Aster. LXXV. COMPOSITE. 319 rate, acuminate, the lower ones cordate, petiolate ; petioles naked ; invol. oblong, imbricate with closely appressed, obtuse scales. — Common in diy woods, N. and Mid. States. Stem 2f high, smooth, often reddish, more or less flexuous. Leaves large, mostly smooth, lower ones cordate-acuminate, with sharp serra- tures, middle ones ovate, upper ones becoming lanceolate. Flowers in a broad, fiat-topped corymb, large, very open, with about 6 long, narrow, white rays. Aug. 2. A. MACROPHYLLUs. Willd. (Eurybia macrophylla. Cass.) Large-leaved Aster.— St. branched, diffuse ; lis. ovate, petiolate, serrate, rough, upper ones ovate-lanceolate, sessile, lower ones cordate, petiolate ; petioles somewhat winged ; invol. cylindric, closely imbricate with oblong, acute scales. — Distin- guished for its very large root leaves which are 6 — 10' by 3 — 5'. Grows in woods, N. States and Can. Stem furrowed, 1 — 2f high. Leaves nearly smooth. Rays about 13, white or pale blue. Sept. § § Scales imbricated, icith spreading, green tips. Bays 12 — 30. Pap- pus bristles rigid, some of them thickened upwards. Heads large, corymbose. Lower leaves never cordate, cauline sessile, rigid. Calli- ASTRUM. T. & G. 3. A. Radula. Ait. Rasp-leaved Aster. St. erect, simple below, angular ; Ivs. lanceolate, acuminate, narrowed towards the base, sessile, serrate, rugose and rough; invol. imbricate, scales appressed, with small, spreading green tips. — Moist groves and hedges. Me. to Penn. ! Not common. Height 1— 3f. Distinguished for its stiff, narrow, sharply serrate leaves which abundantly clothe the straight, smooth stem. Branches nearly naked, undivided, each having a single large head, rarely more. Rays numerous, short, white or purplish. The lower leaves are some- times ovate-lanceolate. Aug. Sept. 4. A. sPECTABiLis. Ait. Skoiinj Aster. St. erect ; Ivs. somewhat scabrous, oblong-lanceolate, sessile, entire, lower ones serrate in the middle ; branches corymbose ; hds. hemispherical, with nu- merous, squarrose-spreading, ciliate scales. — A low Aster of pine barrens. Mass, ! to Ky. Stem straight, 1— 2f high, branching above into a nearly simple co- rymb of 10—15 heads, which are large and showy, with many long, blue rays. Sept.— Nov. 5. A. GRACILIS. Nutt. Slender Aster. St. minutely-pubescent, corymbose at summit ; Ivs. oblong-lanceolate, in- cisely and remotely serrulate, "narrowed to the sub-clasping base; cmymb loose, spreading; scales linear-oblong, whitish, with green, spreading tips ; rays about 12.— Pine barrens, N. J. Stems clustered, 12 — 14' high, purplish, leafy, slender. Leaves 1 — 2i' long, glabrous, opaque, lower ones somewhat spatu- late. Corymb simple or compound. Rays pale violet, about as long as the involucre. Sept. ^ ^ § Scales green, or with green tips. Rays 00. Pappus bristles soft, none of them thickened upwards. Achenia compressed. Aster proper. * Lower leaves cordate, petiolate. Heads paniculate. 6. A. coRDiFOLius. Heart-leaved Aster. St. paniculate, smoolhish ; lower Ivs. cordate, hairy beneath, sharply ser- rate, acuminate, petiolate ; petioles winged ; invol. closely imbricate, the scales with short, green tips. — Common in rocky woods, N. and W. States. Stem smooth below, more or less pubescent above, a little flexuous, striate, 2f high, with a handsome panicle of racemes at top of numerous, rather small flowers. Rays 10—15, pale blue varying to white. Lower leaves large, cordate, with a deep sinus at base, the serratures very acute, the summit ending in a long, acute point, slightly rough above, hairy and paler beneath. Petioles more or less winged, hairy. Above, the leaves are gradually reduced to small or mi- nute bracts. Sept. 7. A. SAGiTTiFOLius. Arrow-lcaved Aster. St. with racemose branches above, smooth ; Ivs. oblong-lanceolate, acumi- nate, sessile, serrate in the middle, radical ones ovate, oblong, cordate-sagittate, 320 LXXV. COMPOSITiE. Aster. serrate, peliolate ; invol. scales loose, lanceolate. — Low woods, N. and W. States and Can. Stem 2—41' high, dividing into many ascending, rigid branches, with numerous and crowded heads, forming a compound panicle of racemes. Heads small, each with about 12 rays, which are white or with various shades of blue. Leaves becoming smaller above, lanceolate and even linear. Sept. 8. A. UNDULATUs. Wave-lcaf A?fer. St. paniculate, hispid; branches secund, leafy, 1-flowered; Ivs. oblong- cordate, amplexicaul, very entire, hairy, somewhat undulate or crenate-serrate, lower ones ovate, cordate, subserrate, with winged petioles. — Native of dry woods, U. S. Plant rough, about 2f high, with slender branches. Lower leaves on long winged petioles, cordate, acuminate, upper ones becoming nar- row-ovate and clasping. Flowers pale blue, solitary, forming a loose panicle of somewhat one-sided racemes. Aug. Sept. 9. A. AZUREUs. Lindl. (A. Oolentangiensis. Riddcll.) Scabrous ; st. and racemose paniculate branches rigid ; Ivs. lance-ovate, cor- date, slightly serrate, on hairy petioles, middle and upper ones lanceolate and linear, acute at each end, sessile, entire, highest subulate; Arfs. broadly obconic ; scales oblong-linear, acute, appressed. — Woods and prairies, "Western States. Stem about 2f high. Leaves of several forms between the lowest cordate to the small, subulate, numerous lloral ones of the slender branches. Racemes rather remote, panicled, with middle-sized heads. Rays blue. 10. A. Shortii. Hook. Short's Aster. Slender and nearly glabrous, simple or somewhat branched above ; Ivs. lance-ovate, cordate, petiolate, long-acuminate, subentire, upper ones sessile and obtuse at base ; Ms. middle-size, racemose or racemose-paniculate, rather numerous ; invol. broad-campanulate ; scales scarious, close, green-tipped, shorter than the disk flowers. — A distinct and beautiful species, on rocky banks of streams, Ohio ! to Ark. Stem a little flexuous, 2 — tf high. Lower leaves about 5' by H', the others successively diminished upwards to the flowers where they are minute. Rays violet blue. * * Lower leaves never cordate. Caulinc leaves clasping and cordate or auriculate at base. 11. A. PATENS. (A. amplexicaulis. Willd.) Spreading Aster. St. simple, paniculate above, pubescent ; Ivs. lanceolate, cordate, clasping the stem, acuminate, scabrous on the margin, pubescent; panicle loose, few- flowered ; scales imbricate, lanceolate, lax, the points herbaceous. — Grows in moist grounds. Northern States. Stem 2^3f high, slender, branching above into a loose, terminal panicle. Leaves large, (3—6' long) on the stem, becom- ing small and bracteate on the branches. Heads solitary on the ends of the leafy branchlets, large, with 20 — 30 violet-colored rays. Aug. — Nov. 12. A. LiBVis. (A. mutabilis. Linn. A. amplexicaulis. Muhl.) Smooth Aster. Very smooth ; st. angular ; branches simple, 1-flowered ; Ivs. subamplexi- caul, remote, oblong, entire, .shining, radical ones subserrate; invol. closely imbricate, the scales broadly-linear, rigid, thickened and herbaceous at the apex. — A very smooth and beautiful species, 2 — 3f high, growing in low grounds. Stem polished, green, often somewhat glaucous. Leaves rather fleshy, broadest at base, the lower ones tapering to a winged petiole. Flowers large and showy, with numerous rays of a fine blue, becoming purple. Sept. — Nov. /?. levigatus. (A. Isevigatus. Willd.) Lvs. long, linear-lanceolate. y. cyanevs. (A. cyaneus. Ph.) (S/. and ^rs. con.spicuously glaucous. — These are beautiful varieties, especially the latter, which is perhaps the most beauti- ful of all the aster.s, 13. A. coNciNNus. Willd., not of Nees. Elegant Aster. St. simple, paniculate at the summit, pubescent; lvs. lanceolate and lance- linear, narrowed and clasping at the base, remotely serrate, upper ones entire; invol. closely imbricate, scales green at the tip. — Woods, Northern States! A slender species, I— 2f high. Branches of the panicle rather short and re- mote. Leaves 3 — 5' long, acuminate, varying from i — 1' in width, smooth ex- Aster. LXXV. COMPOSITiE, 331 cept the mid- vein beneath ; branch leaves few and much smaller. Heads mid- dle-size, with 10 — 15 bluish purple rays. Sept. — Nov. 14. A. PUNicEus. Red-stalked Aster. St. hispid, paniculate; lis. amplexicaul and more or less auriculate at base, lanceolate, serrate, roughish above ; invol. loose, longer than the disk, the scales linear-lanceolate, long and revolute, nearly equal and 2-rowed. — A large, handsome aster, common in swamps and ditches, sometimes in dry soils, N. States and Can. Stem 4 — 6f high, generally red, (at least on the south side), furrowed, hispid. Lower leaves with remote serratures, rough-edged and rough on the upper surface, all acuminate and narrowed at base. Flowers large and showy. Rays 50 — 80, long and narrow, pale purple. Aug. — Oct. 15. A. PRENANTHoiDES. Muhl. Prcnaiithcs-Uke Aster. St. hairy or pubescent above, coiymbose-paniculate ; Ivs. oval-lanceolate, serrate, acuniinate, attenuate at base into a long winged petiole which is au- riculate at the insertion ; invol. imbricated with several rows of linear, green- tipped, spreading scales. Grows in low woods, N. Y. to Ky. Stem 2 — 3f high, with a terminal, corymbose panicle of large heads on short peduncles. Rays showy, pale blue. — Leaves remarkable for the long, winged petiole, which is dilated at its base into rounded, auriculate segments. Branch leaves smaller, nearly entire. Sept. — Nov. 16. A. AMETHYSTiNL's. Nutt. Amethystine Aster. Hirsute ; st. racemose-paniculate ; Ivs. linear-lanceolate, entire, rough, acute, with somewhat auriculate appendages at the clasping base ; mvoi. of equal scales. — Eastern Mass., Nuttall, &c. Heads small, with azure rays. Aug.— Oct. 17. A. NovjE Anglic. New England Aster. Fls. terminal, crowded, somewhat fastigiate ; st. hispid, paniculate ; Ivs. linear-lanceolate, amplexicaul, auriculate at base; scales of invokicre equal, lax, linear-lanceolate, rather longer than the disk. — A large and beautiful aster, in fields, meadows and shades, more common in the W. States ! than in N. Eng. ! Stem 4 — 6f high, straight, erect, viscidly hairy, colored. Leaves very numer- ous, narrow, entire, with 2 auricular appendages at base. Flowers large, in a kind of loose, paniculate corymb. Ray-flowers deep purple, numerous (75 — 100). Sept. t * * * Leaves neWier cordate nor auriculate, the margin serrate. t Scales not spreading. IS. A. Tradescantf. Tradescaiifs Aster. Branches virgate, paniculate ; Ivs. lanceolate, remotely serrate, sessile, smooth; hiz-o/. closely imbricate; st. round, slender, smooth. — A fine species, with numerous leaves, growing in fields, Mass. to La. Stem rigid, brownish, about 3f high, with numerous slender, racemose branches. Lower stem-leaves narrowly lanceolate, 4' long, gradually reduced in size upwards. Heads small, numerous, with pale purple rays. Aug. — Oct. 0. fragilis. T. & G. (A. fragilis. Willd.) Cauline leaves serrulate or entire, short ; heads much scattered on the branches. 19. A. MISER. Ait. T. & G. (A. miser, divergens, diffusus and pendulus. Ait.) Starved Aster. — St. racemose-paniculate, hairy or pubescent ; Ivs. sessile, lanceolate, sharply serrate in the middle ; invol. imbricated with acute scales; raijs short. — A very variable species common in old fields, hedges, U. S. and Can. In height it varies from 6 to 30', and in luxtiriance proportionately to the moisture or fertility of the soil. The stem is very branching or nearly simple, bearing a large, compound, racemose panicle or a few simple racemes. Leaves varying from narrow-lanceolate to broad-oval, 1 — 5' in length. Heads usually numerous, small, with small white or purple rays. /?. diffusus. Branches spreading, difluse ; Ivs. elliptical-lanceolate, more or less narrowly so, midvein hairy beneath; hds. often sessile, forming short, crowded spikes or long virgate ones. y. hirsuticMulis. T. & G. (A. hirsuticaulis. Lindl.) St. hirsute ; Ivs. long 322 LXXV. COMPOSIT.-E. Aster. and narrow, midveiii hirsute ; hds. racemose or spicate, upper in short, dense bunches; scales linear. 20. A. SIMPLEX. Willd. (A. salicifolius. Darl.') Willoio-leaved Aster. Glabrous; st. racemose-paniculate above; Irs. lanceolate, acuminate, en- tire, the margins scabrous, lower ones serrate ; scales loosely imbricated, linear- subulate. — Another variable species in low groimds, U. S. and Can. Stem 1 — 51' high, somewhat corymbose. Leaves 21—4' by 5 — 10", very smooth both sides, tapering to a slender point ; those of the bj-anches and branchlets propor- tionately smaller. Heads rather few, middle size, on the short branchlets. Sept. /?. altior. Branches hirsute or pubescent ; hds. above the middle size, with blue rays. — Stem 4 — 6f high. y. huiiiilior. Branches pubescent, with short, crowded spikes of small heads; rays pale blue. — Stem 1 — 2f high. J. recurvatus. Difiuse, with long, spreading or recurved branches; hds. loosely racemed ; rays bluish-white. — Western ! 21. A. TENUiFOLius. Narroio-leaved Aslcr. St. smooth, erect, paniculate-branching, with 1-fiowered branchlets; Ivs linear-lanceolate, tapering at each end, long-acuminate, entire, with roughish margins, the lower ones often serrate in the middle ; invol. scales lax, acute. — Grows in moist fields. Can. to Va. Stem leaves 2 — 4' long, those of the branches and branchlets proportionately smaller. Heads small, with numerous (20 — 30), long, pale purple rays. Sept. 22. A. Greenei. Torr. & Gray. Greerie's Aster. St. glabrous, racemosely branched; Ivs. glabrous, subclasping, remotely appressed-serrulate, scabrous above, lower narrow-lanceolate, upper short, nu- merous, ovate-lanceolate; hds. rather small, on short, bracted peduncles. — Near Boston. Dr. B. D. Greene, Dr. Pickering. Cauline leaves 3 — 5' long, ramial leaves much smaller. 23. A. Novi-Belgii. New York Aster. Glabrous ; 5^. tei-ete, stout, often glaucous ; Ivs. rather rigid, lanceolate, acute, the lower subserrate and subclasping ; hds. racemose or corymbose ; scales rather loosely imbricated, lanceolate, subequal, with acute green tips ; rays numerous. — A smooth, handsome Aster in Western and Southern States, not common. Stem 2 — 4f high, with few, straight, somewhat corymbose branches. Leaves 4 — 6' long, tapering to each end. rough-edged, upper ones much smaller. Heads rather large. Raj's pale blue, expanding 9 — 12". Aug. — Oct. t + Scales spreading or squarrose at tip. 24. A. LAXUS. Loose-stalked Aster. )S<. loosely corymbose-panicled above; Ivs. linear-lanceolate, acuminate, rough-edged, lower ones subserrate, those of the stem subreflexed, of the branches much spreading ; i7irol. imbricate, scales lanceolate, acute, reflexed at the apex. — Fields, Mass., N. Y. Stem 2 — 3f high, with small, bluish flowers. Sept. Oct. 25. A. LAXiFOLius. Nees. Loose-leaved Aster. St. scabrous ; rac. compound; hrajiches racemose at the summit or slightly compound; Zt's. linear-lanceolate, elongated, mucronatel}^ serrulate, attenuate at each end, clasping at base, scabrous above ; scales squarrose. y. latiflorus. T. »fc G. S/. slender, with long, filiform, spreading branches ; Its. rather rigid and very scabrous ; rac. loose, the pedicels nearly leafless. — Ohio and Wis. Described by Drs. Torrey tf* Gray as a very graceful plant of considerable size, with very long, narrow leaves, and numerous, long, showy, pale purple rays. 26. A. LONGiroLius. Lam. (A. Icevigatus. Ph.) Lovg-lcaved Aster. Glabrous; st. very branching, branches many-flowered; Ivs. subamplexi- caul, linear-lanceolate, lower ones serrate, smooth; invol. scales lax, lanceolate, nearly equaling the disk. — Fields and thickets, N. Y. to Car. Stem 3i high. Leaves pale below, shining above, smooth both sides, the lower ones 4 — 6' long. Heads numerous, showy, with 25 — 30 light blue rays. Nov. Aster. LXXV. COMPOSITE. 323 * * * ♦ Leaves neither cordate nor auriculate, the ma'^gin entire or subentire. t Scales erect. 27. A. sERiCEUs. Vent. (A. argenteus. Michx.) Silk-leaved Aster. Sts. slender, clustered, glabrous below, silky-pubescent and branched above ; lis. clothed on both sides with a dense, appressed, silkj^-canescent pubes- cence, lance-oblong, entire, acute and mucronate, sessile ; hds. large, mostly solitary, terminal on the short, leafy branchlets; scales lanceolate, silky-canes- cent like the leaves, spreading at tip.— A singularly elegant Aster, with shin- ing, silvery foliage, prairies ! and river banks ! Wis. and Iowa, to Miss. Stem l_2f high. Lower leaves 2 — 3' by f— U', the upper much smaller. Rays deep violet-blue. Aug. — Oct. ■\ 28. A. coNCOLOR. One-colored Aster. St. subsimple, erect, pubescent ; Ivs. lance-oblong, entire, mucronate, gray- ish, with a minute, silky pubescence both sides, upper ones cuspidate-acumi- nate; r«c. terminal, virgate, simple or somewhat compound, elongated ; scales lanceolate, silky, acute, appressed. — Pine barrens, N. J. to Flor. A slender and virgate plant, 1 — 3f high, sometimes branched below. Root often tuberous. Leaves U' by J', reduced in size upwards. Heads in a long raceme, with blue rays and a rust-colored pappus. 29. A. TURBiNELLUs. Liudl. Smooth or slightly scabrous ; branches and branchlets very slender ; Ivs. lanceolate, tapering to each end, acute, slightly clasping, entire, those of the branches linear, and of the branchlets subulate ; invol. turbinate, acute at base, as long as the disk flowers ; scales imbricated in many rows, linear, obtuse, with short green tips. — Woods and river bottoms. 111. Mead, Mo., &c. to La. Stems 2f high, with the branches numerous and somewhat corymbose. Lower leaves 3 — 5' by | — U', the others gradually reduced upwards to the scales of the obconic or top-shaped involucre. Heads middle-size, with blue rays and browmish pappus, Sept. 30. A. DUMosus. Bushij Aster. Nearly smooth ; 6?-««cAes racemose-panicled ; Ivs. numerous, smooth, li- near, sessile, entire or subserrate, those of the branches very short ; invol. cyl- indrical, closely imbricate. — About 2f high, in dry shades and borders of woods, U. S. Stem much branched, smooth or slightly pubescent, with long, linear leaves, those of the branches smaller and becoming very minute. — Heads mid- dle sized, scattered, solitary, with about 24 purplish white rays. Q,uite varia- ble. Sept. ,3. fuUosus. (A. foliosus. Ait.) St. racemose-compound; Ivs. acute, often ser- rulate ; scales narrower, subacute. y. strictio)-. (A. fragilis. Lindl.) Somewhat paniculate ; branch leaves rather numerous and appressed. 31. A. CARNEUs. Flesh-colored Aster. Smooth ; St. dividing into many straight, racemose, leafy branches ; Ivs. uniform, linear-lanceolate, acuminate, entire, the lower ones tapering to a ses- sile base, the upper amplexicaul ; scaUs acute, much shorter than the disk. — A handsome bushy Aster by fences, &c. (Claremont !) N. H., W. to la. Rare. Stem about 2f long, often purple. Stem leaves 3 — 5' by j — §', branch leaves much smaller. Heads numerous, middle-size, somewhat secund, each with 20 — 30 pale purple, narrow rays. Sept. Oct. 32. A. GRAMiNiFOLius. Ph. Grass-lcavcd Aster. Subpubescent ; st. slender, branched above ; loiver Ivs. very numerous, nar- row-linear ; ped. slender, 1-flowered ; scales linear-subulate, loose, scarcely im- bricated.— N. H. Eddy. High clifls, Willoughby Lake, Vt. ! Branches simple, l^afy, naked at the end, 1-flowered, somewhat corymbose. Rays 15 — 25, much longer than the disk, purple or rose-colored. 1 1 Outer scales spreading or squarrose. 33. A. ERicolDES. Heath-like Aster. Nearly or quite smooth ; branches virgate, spreading, paniculate ; Ivs. linear or linear-lanceolate, verv smooth, those of the branches subulate and ap- 28 324 LXXV. COMPOSITE. Aster. proximate, short, of the stem long, of the root oblong-spatiilate ; invol. some- what squarrose. — Grows in rocky fields, in most of the States. Stem 1 — 3f high, with numerous brittle branches and branchlets forming a thick bush and terminated each by a single pale purple flower. Leaves rather numerous, the cauline ones 3' in length. Heads small, about 20-rayed. Sept. 34. A. MULTiFi.oRiTs. Many-fiowered Axter. Hairy or pubescent ; st. difl'usely branched ; lis. linear, entire, sessile, pu- bescent, njargins subciliate ; invol. imbricate, squarrose, linear or spatulate, with oblong, ciliate scales. — A very branching, diffuse species, with very nu- merous, small flowers crowded on the racemose branches, each with about 12 white rays. Stem variously pubescent, 1 — 2fhigh. Leaves 1 — 2' long, obtuse, very narrow. Rocks and dry fields, U. S. Variable. Sept. 35. A. PR^ALTUs. Poir. (A. salicifolius. Ait.) Wilb>w-leaved Aster. St. corymbosely-paniculate, with hairy lines above ; Zt'5. lanceolate, close- ly sessile or subamplexicaul, smooth and shining above, with a rough margin, subserrate or entire, acute, the lower ones narrowed towards the base ; invol. loosely imbricated with acute, green-tipped, linear scales. — Common in moist woods and by streams (N. H. to Wis. Lapham!), varying from 2 to 3f in height. The stem is slender, often flexuous, green or often purple, dividing above into flowering branches, arranged in a sort of corymbose panicle of lajge and showy blue flowers. Aug. — Oct. 36. A. ELODES. Torr. & Gray. Swamp Aster. Glabrous and very smooth; hranchcs corymbose-paniculate; Ivs. linear- lanceolate, entire, .shining, thick, upper ones somewhat clasping; invol. closely imbricated in several rows of linear, green-pointed, spreading scales. — In swamps, Mass. to Va. Stem 1 — 2f high, with very smooth foliage and large, showy, blue flowers. Aug. Sept. 37. A. OBLONGiFOLius. Nutt. (and A. graveolens. Nuit.) Oblons:-lcaved Aster. — St. rigid, diffusely branched, hairy ; branches spreading, with loose and irregular branchlets ; Ivs. oblong-lanceolate, acute, mucronate, partly clasp- ing, entire, rough-edged, abruptly reduced on the branches and branchlets ; Ms. solitar}', terminal on the slender branchlets ; involucre 5c«fe5 nearly equal, green, spreading. — Prairies, &c. Western States ! Plant 1 — 2f high, often glandular- viscid. Cauline leaves 12—20" by 3—5" ; those of the branches 6" by 2", of the branchlets 3" by J", indistinguishable from the scales. Rays purple. Pap- pus brownish. Sept. Oct. § § § § Scales imbricated, scarious on the margins, destitute of gi^een tips. 38. A. ACUMix.iTCs. Michx. Acityninalc Wood Aster. St. simple, flexuous, angular, branching into a corymbose panicle above ; Ivs. broad-lanceolate, narrowed and entire at the base, serrate and acuminate ; invol. scales lax, linear. — Mountains and woods. Can., N. Eng., N. Y. Stem a foot high, rough, downy. Leaves large, unequally and remotely serrate above, and ending in a long, acuminate point. Panicle corymbose, terminal, few- flowered, nearly or quite naked. The leaves are mostly situated just below the corymb, sometimes scattered. Heads rather large, with about 15 long, white rays. Aug. 39. A. NEMORALis. Ait. (A. lacdifolius. Ph. A. uniflorus. Mr.) Wood Aster. — Brandies corvmbed orO; ped. 1-flowered, nearly naked, filiform ; Ivs. linear-lanceolate, acute at each end, veinless, revolute-margined, roughish; scales of the involucre verv acute, loose, shorter than the disk ; rays about 20. — A handsome plant, in swampy w^oods, N. H. Storrs! Mass. Robbins! to N. J. Rather rare. Stem slender, 10—20' high. Leaves numerous, 10— 18" by 2— 4", rarely subdentate. Heads large, few, often but one, terminating the simple axis." Ravs large, white or pale purple. Sept. Oct. • 40. A. PTARMicuiDEs. T. & G. (Heliastrum album. DC. Chrysopsis alba. ]\'i,it')—S!. corvmbose-fastigiate above; Ivs. linear-lanceolate, acute, rough-margined, entire, lower ones dentate, attenuated into a short petiole; rays short.— A verv distinct Aster, low and leafy, found in rocky soils, by streams and lakes, Vt. RcMins. to Mo. Rare. Stems clustered, simple, each bearing DiPLOPAPPLs. LXXV. COMPOSITE. 325 a spreading panicle of heads which are below the middle size and furnished with snow-white rays. July — Sept. 41. A. FLExuosus. Nutt. (A. sparsiflorus. Ph.) Fexv-Jloioered Aster. St. branching, slender, flexuous, very smooth ; lis. long and succulent, the lower ones sublanceolate-linear, upper ones subulate; branches leafy, 1-flow- ered; invol. scales lanceolate, acuminate, appressed; rays numerous, shorter than the involucre. Grows in salt marshes, Mass. to Flor. The whole plant very smooth, If high, with large, purple flowers; disk yellow. Aug. — Oct. 42. A. LiNiFOLius. (A. subulatus. Michx.) Sea Aster. St. paniculate, much branched from the base ; Its. long, linear, very acute the uppermost subulate; invol. cylindric with. subulate scales; radical hds. mi- nute.— An annual species, found in salt marshes, Mass. to Car. Stem 12 — 18' high, very smooth, thick, reddish. Leaves smooth, sessile. The plant is very branching, with numerous short-ra3'ed, small, purple flowers. Aug. 11. SERICOCARPUS. Nees. Gr. ariptKos, silken, KapTro;, fruit; from the character of the genus. Heads few-flowered; ray -flowers 4 — 6,9; disk-fls. 6 — 10, $; in- volucre oblong, imbricated ; scales appressed, with green, spreading tips ; receptacle alveolate ; achenium obconic, very silky ; pappus simple. — '4 Herbs with alternate leaves and close corymbs. Rays white. 1. S. soLiDAGiNEL's. Nees. (Aster solidaginoides. Michx.) Smooth ; Ivs. linear-lanceolate, obtuse, entire, sessile, obsoletely 3-veined rough on the margin ; corymb fastigiate ; hds. aggregate, subsessile, 5-rayed • scales obtuse, white, with green tips. — In woods, Can. to La. Not common! Stem slender, simple, about 2f high. Leaves smooth, pale green, 1 — 2' by 3—! 5". Heads rather small, in a level-topped corymb. Involucre oblong. Scales imbricate, appressed, with conspicuous green tips. Rays long, white. Jl. Au°-. 2. S. coNYZoiDES. Nees. (Aster. Willd. Conyza asteroides. Linn.) S/!. somewhat pubescent, simple, corymbose at top; hs. oval-lanceolate smooth beneath, slighly 3-veined, narrowed at base, acute, the upper ones ses- sile, nearly entire, the lower narrowed into the petiole, serrate ; invol. cvlindri- cal, the .scales oval, obtuse, appressed, slightly reflexed at summit; raysb, short. — Common in woods and thickets, Mass. to Flor. Stems somewhat 5-an°-led 1 — 2f high. Leaves somewhat fleshy. Ray short, but longer than the disk' white. July, Aug. ' 12. DIPLOPAPPUS. Cass. Gr. SnrXooi, double, TraTTTrof, pappus; from the character. Heads many-flowered: ray-fls. about 12, 9; disk-fls. $; involucre imbricate ; receptacle flat, subalveolate ; pappus double, the exterior very short, interior copious, capillary ; achenium compressed. — % Lvs. entire^ alternate. Rays cyanic. Disk yelloic. 1. D. LiNARiiFOLirs. Hook. (Aster linariifolius. Linn.) St. straight, roughish ; branches 1-flowered, fastigiate ; scales of invol. im- bricate, carinate, as long as the disk ; lvs. linear, entire, 1-veined, mucronate carinate, rough, rigid, those of the branches recurved. — A handsome species' in dry woods, along streams, U. S. and Can., rather rare. Stems subsimple| purplish, about a foot high, decumbent at base. Leaves numerous, rigidly up- right or recurved, obtuse, with a small, mucronate point, pale beneath, shining above. Branchlets near the top, leafy, each with one rather large and showy violet-colored head. Aug. Sept. ' 2. D. UMEELLATUs. Hook. (A., amygdaliuus. Michx. A. umbellatus. Ait.) St. smooth, straight, simple; co'rymb fastigiate; lvs. long, lanceolate, smooth, attenuate-acuminate at each end, rough on the margin ; inxol. scales obtusely lanceolate. — A tall, handsome plant, growing in low groimds, river banks and fields, N. Eng. to La. Stem 3— 4f high (in drv fields but 'l— 2) 326 LXXV. COMPOSITE. Erigeron. purplish, channeled, simple, smooth, branching above into a large, level-topped, compound corymb of showy flowers. Leaves narrow, entire, 4—6' in length, those of the branchlets smaller. Rays about 12, white. Disk yellow. Aug. Sept. /?. amygdalinus. St. roughish above, green ; branches of the corynib divaricate ; Ivs. broader. — Gluite diflerent in aspect from variety a. Common. 3. D. coRNiFOLics. Less. (Aster cornifolius. MiM.) St.. smooth below, scabrous and slightly paniculate above, few-flowered ; Ivs. elliptical, acuminate, entire, tapering to the base, with scattered hairs, rough-edged ; invol. scales imbricate, shorter than the disk. Grows in woods, N. and Mid. States. Whole plant nearly smooth, erect, 1 — 2f high. Leaves acute at the base, paler beneath, on very short stalks. Flowers few, large ; outer scales very short. Rays about 10, white. July, Aug. 13. ERIGfiRON. Ctr. rip, the spring, yepuv, an old man ; because it is hoary early in the season. Heads many-flowered, subhemispherical ; ray-flowers 9 very rni- merous (40 — 200), narrow, linear ; flowers of the disk ^ ; receptacle flat, naked ; involucre nearly in 1 row ; pappus generally simple. — Herbs with alternate Leaves. Rays cyanic. § Rays longer than the involucre. Mostly 7].. 1. E. BELLiDiFOLiuM. Muhl. (E. pulchcUum. Mx.) Robbies Plantain. Hirsute ; radical Ivs. obovate, obtuse, subserrate ; stem Ivs. remote, mostly entire, lance-oblong, acute, clasping; hds. 3 — ^7, in a close, terminal corymb; rays nearly twice longer than the involucre, linear-spatulate. — Dry fields and thickets, U. S. and Can. Stem erect, simple, sometimes stolinilerous, 1 — 2f high. Leaves 2 — 3' by 6 — 9", mostly broadest above the middle. Rays 60 — 100, bluish (rarely reddish)-purple. This is our earliest species, flowering in May and June. Resembles the following. 2. E. Philadelphicum. (E. purpureimi. Ait.) Narrow-rayed Robin's PI. Pubescent or hirsute ; Ivs. thin, lower spatulate, crenate-dentate, upper ob- long-oblanceolate, narrowed to the clasping (sometimes cordate-auriculate) base, subserrate ; hds. few, on long, slender peduncles ; raijs very numerous, filiform, more than twice longer than the involucre. — Woods and pastures throughout N. Am. Stem slender, 1 — 3f high. Leaves 2 — 4' by 6- — 9", lower much attenuated at base, upper acute. Rays 150 — 200 ! reddish-purple or flesh- colored, nearly as slender as hairs. Jn. — Aug. /?. 1 Ricardi. Caulinc Irs. cordate-ovate. Meriden, N. H. Rickard ! y. St. stout, with coarsely serrate leaves. 3. E. HETEROPHYLLUM. Muhl. (E. annuum. Pers.) Common Fleabane. White-weed. — St. hispid with scattered hairs, branching ; Ivs. hirsute, coarsely serrate, the lowest ovate, contracted at base into a winged petiole, stem leaves ovate-lanceolate, sessile, acute, the highest lanceolate; rays very numei- ous and narrow. — A common weed, in fields and waste grounds. Can. to Penn. and Ky. Stem thick, 2 — 4f high, striate, terminating in a large, difi"use, co- rymbose panicle of large heads. Rays white or purplish, 100 or more, short. June. — Aug. 4. E. sTRiGosDM. Fleabane. White-weed. Daisy. Hairy and strigose ; Ivs. lanceolate, tapering to each end, entire or with a few large teeth in the middle, lower ones 3-veined and petiolate ; panick co- rymbose ; pappus double. — A rough weed in grassy fields, Can. and U. S. Stem about 2f high, slender, furrowed, with close, short, stiff hairs, and bearing a large, loose corymb. Leaves also with close-pressed bristles, sessile. Rays very narrow, white. June — Oct. 13. (E. integerrifolium. Biv.) St. simple, smooth; Ivs. entire, pubescent; fls.' corymbed. Rays 100 — 150. § § Rays shorter than the involucre. Plants ® or (f). 5. E. DivARicATUM. Michx. Decumbent and difi'usely branched, hirsute ; Ivs. linear and subulate; /ids. Dahlia. LXXV. COMPOSITiE. 327 very small, loosely corymbose ; rays minute. — Dry soil, Western States ! S. to La. Plant of a greyish or bluish aspect, 3 — 6' high, but at length spreading 1 — 2f. Leaves 4 — 12" by J — 1". Rays purplish. June — Aug. 6. E. Canadense. Canadian or Common Fleabane. Invol. oblong ; rays numerous, (40 — 50), crowded, minute ; pappus simple ; St. hairy, paniculate ; Ivs. lanceolate, lower ones sub.serrate. — A very common an- nual plant of no beauty, growing by roadsides and in fields, throughout N.Am. Stem i — 9f ! high, branching, haiiy and farrowed. Leaves very narrow, with rough edges. Flowers white, very numerous, small, of mean appearance, ir- regularly racemose upon the branches, and constituting a large, oblong panicle. The plant varies greatly in size, according to the soil. Aug. — Nov. 14. CALLISTfiPHUS. Cass. Gr. KaWog, beautiful, ars^o J, a crown; characteristic of the pappus. Ray-flowers 9 , numerous ; disk-flowers $ ; involucre hemispheri- cal ; receptacle subconvex ; pappus double, each in 1 series, outer series short, chafiy-setaeeous, with the setse united into a crown ; in- ner series of long, filiform, scabrous, deciduous setaa. — S) Exotics. Lvs. alternate. C. Chinensis. Ness. (Aster Chinensis. Linn.) China Aster. — St. hispid; branches divergent, 1-flowered ; lvs. ovate, coarsely dentate, petiolate, cauline ones sessile, cuneate at base. — Said to be originally from China. Stem about 18' high, with long branches, each terminated by a single, large head. Rays dark purple. Disk yellow. July — Sept. — Cultivation has produced many beau- tiful and even splendid varieties, double and .semi-double, with white, blue, red, flaked and mottled rays, -f 15. BELLIS. Lat. hellits, pretty ; a term quite appropriate to the genus. Heads many-flowered ; rays 9 ; disk $ ; involucre hemispherical, of equal scales ; receptacle subalveolate, conical ; pappus 0. — Low herbs., either ® and caulescent or % and acaulescent. Hds. solitary. B. PERENNis. Garden Daisy. — iJoo/. creeping ; scape naked, single-flowered; lvs. obovate, crenate. — % Native of England and other parts of Europe, nearly naturalized in some parts of N. England in cultivated grounds. Scape 3 or 4' high, with a single white flower which is single, double or quilled in the diifer- ent varieties. Blossoms in the spring and summer months. 16. DAHLIA. In honor of Andrew Dahl, a Swedish botanist, pupil of Linnaeus. Involucre double, the outer series of many distinct scales, the inner of 8 scales united at base ; receptacle chafiy ; pappus 0. — % Splendid Mexican herbs. Lvs. pinnate., opposite. 1. D. vARiABiLi.s. Desf. (D. superfiua. Ait.) — St. green; rachis of the lvs. winged; Ifts. ovate, acuminate, serrate, puberulent or nearly smooth; outer mito/. reflexed ; ray fis. 9, sterile or fertile. — These superb and fashionable plants are natives of sandy meadows in Mexico. They have coarse andrough- ish leaves, resembling those of the common elder, but the flowers are large and beautiful, sporting into innumerable varieties, single and double, of every con- ceivable shade of scarlet, crimson, purple, red, rarely yellow, blooming from July until arrested by frost. 2. D. cocciNEA. Cav. (D. frastranea. Ait.) — St. frosty, or hoary, hollow; lvs. with the rachis naked; Ifts. roughish beneath; outer invol. spreading; rays neuter. — Stems about 4f high. Foliage rather glaucous. Rays scarlet, saffron- color or yellow, never purple or white. — The Dahlias are generally cultivated by the divisions of the tuberous roots, which, as soon as the frost blackens the tops, are to be taken up and preserved through the winter in a dry place, free from frost. 28* 328 LXXV. COMPOSITE. Solidago. 17. BOLTONIA. In honor of J. B. Bolton, author of" Ferns of Great Britain," &c., 1788. Heads many-flowered ; ray flowers $ , in a single series, those of the disk tubular. ? ; scales in 2 series, appressed, with membranous margins ; receptacle conic, punctate ; achenia flat, 2 or 3-winged ; pappus of minute setae, 2 ( — 4) of them usually lengthened into awns. — % Glabrous, branching herbs. Lvs. lanceolate, entire, sessile. Hds. loosely corymbose. Rays purplish-white, 1. B. GLASTiFOLiA. L'Her. Lvs. lanceolate and oblanceolate, acute, tapering to the narrow base, lower ones sometimes serrate; Juh. on short peduncles, in a somewhat contracted corymb ; branches leafy ; ach. obcordate, conspicuously winged, pubescent, with 2 awns nearly its own length. — Prairies and banks of streams, 111. Jenney! Penn. to N. Car. This plant resembles an Erigeron, but is very smooth, 3 — 6f high. Stem leaves 2 — 4' by \ — V ; branch leaves of the same form but smaller. Raj-s about 30, expanding 9". Jl. Aug. 2. B. ASTERolDEs. L'Hcr. (B. diffusa. Ell. 7 Chrysanthemum Caroli- nianum. Walt.) — Lvs. linear-lanceolate, obtuse or acute, all entire, nar- rowed to the base, those of the branches subulate, minute ; hds. on long pedun- cles, in a diffu.se and loosely paniculate corymb; branches and branchlets very slender and nearly naked; e^A. ovate or somewhat obcordate, smooth, 2-awned. — Prairies, &c. la.! 111. to Ga. and La. A very smooth plant, between an Aster and an Erigeron, with a diffusely branched summit, 3 — 7f high. Leaves 2 — 5' or 6' by \ — i', reduced upwards to setaceous bracts 1 — 2" in length. Heads terminating the filiform branchlets. Rays expanding 7". Aug. Sept. Section S> Heads radiate. Rays yello'w. 18. SOLIDAGO. Lat. aolidari, to unite ; from the vulnerary qualities of the plants. Flowers of the ray about 5, 9 > remote, of the disk $ ; involucre ob- long, imbricate, with appressed scales ; receptacle punctate, narrow ; pappus simple, capillary, scabrous. — % Herbs, very abu7idant in the U. S. Stem erect, branching near the top. Lvs. alternate. Hds. small, tcith I — 15 [very rarely 0) small rays. Fls. yellow [one species ^vhitish), expanding in the autumnal months. § 1. Stems much branched, corymbose. Leaves all linear, entire, sessile. 1. S. LANCEOLATA. Ait. Grass-leaved Goldenrod. St. angular, hairy, much branched ; lvs. linear-lanceolate, entire, 3- veined, rough-margined, slightly hispid on the veins beneath ; carj/mbs terminal, fasti- giate. — In woods and meadows. Can. and U. S. Distinguished from most other species by its flat-topped corymb. Stem 2 — 4f high, with numerous, very long and narrow leaves, which are distinctly 3- veined and acutely pointed, smaller ones often fascicled in the axils. Flowers in terminal, crowded clusters. In- volucre ovate. The whole plant is fragrant. Sept. 2. S. TENUIFOLTA. Ph. St. angular, smooth, with many fastigiate branches ; lvs. linear, spread- ing, obscurely 3- veined, scabrous on the margin, the axils leafy ; corymb ter- minal, consisting of clustered heads; rays about 10, scarcely as long as the disk. — Meadows near the sea-coast, Mass. ! to La. Also Wis. Dr. Lapham ! A very slender species, distinguished from S. lanceolata by the extreme narrowness oif the leaves and the thinner, more open corymb, which is often reduced to a few heads. The leaves bear tufts of smaller ones in their axils, and are punctate with resinous dots. Aug. — Oct. § 2. Stem simple, corymbose above. Lower leaves lanceolate, petiolate. 3. S. RiGiDA. Hard-leaved Goldenrod. SI. stout, rough and hairy ; lvs. ovate-oblong, rough with minute hairs. SoLiDAGO. LXXV. COMPOSITE. 3S9 those of the upper part of the stem very entire, lower ones serrate ; jlowering lyranches paniculate, with close, short racemes ; rays elongated ; infolticre scales obtuse. — A tall species, in dry fields and rocky woods, Ct. to Mo. and Tex. Abundant in the western prairies ! Stem 3 — 5f high, round, striate, with rigid leaves, of which the radical ones are sometimes near a foot long. Heads larger than in any other species described in this Flora. Rays 7 — 9, about 3" by 1", deep yellow. Aug. Sept. 4. S. Ohiensis. Riddell. Glabrous ; loiver Ivs. lanceolate, obtuse, entire or sen-ulate above, tapering to long petioles, upper oblong-lanceolate, abruptly acute, sessile, entire ; Ms. numerous, 15 — 20-flowered, rather large, in a dense, fastigiate corymb. — Mead- ows and prairies, western N. Y. to la. ! A perfectly smooth species, 2 — Sfhigh. Stem simple, reddish, leaty. Leaves of a firm textiu-e, the radical 6 — 8' by 1 — IJ', on petioles of equal length, middle cauline, about 2' by 5". Heads about G-rayed. Sept. Oct. 5. S. RiDDELLii. Frank. (S. Mexicana. /3. Hook.) Riddell's Solidago. Stout and nearly glabrous, corymbosely branched ; radical ivs. very long, lance-linear, entire, acute, on long, margined, carinate petioles, cauline Ivs. clasping at base, arcuate, carinate, narrow, acute, entire ; branches leafy ; hds. 20 — 24-flo\vered, densely clustered in a compound, fastigiate corymb. — Wet prairies Ohio ! Wis. to Mo., not uncommon. A well marked species, 15 — 30' high. Radical leaves 12 — 18' long, almost grass-like, cauline 3 — 6' by \' , with a strong mid-vein, and generally much recurved. Rays small, 6 — 9. Sept. § 3. Heads in glomerate., axillary clusters. 6. S. saUARRosA. Muhl. Ragged Goldenrod. St. stout, simple, erect, thickly pubescent above ; Ivs. smooth, lower ones very broad, oval-spatulate, serrate, acute, upper ones lanceolate-elliptic, high- est, entire ; rac. glomerate, rigid and pubescent ; scales squarrose with spread- ing green tips; hds. many-flowered; rays 10 — 12, elongated. — A handsome spe- cies, found on rocky hills. Can. to Penn. Stem 3 — 5f high. Heads very large, forming a long terminal spike of short, dense, axillary fascicles or ra- cemes. Sept. 7. S. c^siA. Ait. (S. axillaris. Ph.) Blue-stemmed Goldenrod. St. erect, round, smooth and glaucous, often flexuous ; Ivs. smooth, linear- lanceolate, lower ones serrate ; rac. axillaiy, erect. — A very elegant species, in thickets and dry woods. Can. and U. S. Stem 1 — 3f high, of a bluish-purple color, terete and slender, somewhat flexuousj simple or branched. Leaves 2 — 5' long, ending in a long point, sessile, glaucous beneath. Racemes axilla- ry, numerous, short. Flowers of a deep, rich yellow. Rays 5 — 7, once and a half the length of the involucre. Aug. 0. Jlexicaidis. (S. flexicaulis. Ph. not of Linn.) St. flexuous, angular; Ivs. ovate-lanceolate, longer than the subcapitate racemes. — Leaves about 2' by V- Rays pale yellow. 8. S. LATiFOLiA. Muhl. (S. macroph)'lla. Bw. S. flexicaulis. 0. Ph.) St. somewhat flexuous, angular, smooth ; Irs. broadl)^ ovate, acuminate at each end, deeply serrate, smooth ; petioles marginal ; rac. axillary and ter- minal.—A singular and very distinct species, common in dry woods and by rocky streams, U. S. and Can. Stem slender, not always perfectly smooth, about 2f high. Leaves 3 — 5' by 2 — 4', with acute, often long-acuminate serra- tures. Clusters very short, axillary, the stem ending with a long terminal one. Heads few. Sept. 9. S. BicoLOR. (Aster bicolor. Nces.) Two-colored Goldenrod. Hairy ; st. simple ; tvs. elliptical entire, acute at each end, lower ones .ser- rate, short-stalked; rac. short, dense, leafy, erect; invol. scales obtuse. — In woods and dry hills. Can., N., Mid. & W. States. A species remarkably dis- tinguished among the solidagos by having white rays. Stem generally simple, 2f high, a little hairy. Leaves hairy on both sides, mostly entire, gradually re- duced in size upwards. Flowers in numerous close, short, axillary clusters. 330 LXXV. COMPOSITiE. Solidago. forming a long, terminal, interrupted spike. Rays about 8, very short, yellow- ish-white, obscure. July. Aug. /?. concolor. T. & G. (S. hirsuta. Nutt!) Flowers all yellow. — Penn. § 4. Heads in erect^ terminal^ simple or compound racemes^ not secund. 10. S. PUBERIJLA. Nutt. Plant puberulent; st. simple, terete; Ivs. lanceolate, entire, attenuated at each end, radical ones subserrate ; rac. spicate, axillary, erect and condensed ; ped. pubescent ; invol. scales linear-lanceolate, acute ; rai/s about 10, elongated. — Found in low woods, Maine, Ms. Stem straight, purplish, 2 — 3f high, ter- minating in a long, thyrsoid spike of dense, apprcssed racemes. Leaves very minutely pubescent both sides, the lowest on dense, winged stalks. Heads rather large, bright yellow. Aug. Oct. 11. S. STRiCTA. Ait. Upright Goldeyirod. •Smooth; St. strict, erect, simple; caw^wieZ-rs. lanceolate, very entire, rough- edged, radical ones serrate, very long; rac. paniculate, erect; ped. smooth. In wet woods. Northern States. Stem (and every other part) very smooth, about 2f high. Leaves 2 — 4 — 8' by i — §— 1', lower attenuated at base into a long, winged petiole. Panicle terminal, close, composed of short, dense, appressed racemes. Heads 12 — 18-flowered. Aug. 12. S. sPKCiosA. Nutt. Showy Goldcnrod. St. smooth, simple ; Ivs. lanceolate, entire and scabrous on the margin, thick, the radical and lower ones subserrate, very broad; rac. erect, numerous, forming a terminal, thyrsoid panicle ; pedicels shorter than the involucre, pu- bescent ; rays large, 6—8. — Woods, Mass. ! to Ohio and Ga. A very tall, showy species, .sometimes 6f high. Stem stout, often purple, furrowed. Leaves ample, some of them 6' by 3'. Heads exceedingly numerous, with conspicu- ous rays of a rich yellow, in a large, showy, pyram"idal panicle. Aug. Oct. p. angustata. T. & G. (S. erecta. DC.) Panicle slender, spicate. — N. J. 13. S. THYRsoiDEA. Mcycr. (S. virgaurea. Bw.) Thyrsoid Goldenrod. St. simple, flexuous, very smooth, pubescent above ; Ivs. smooth, ovate, sharply serrate, acute, the lower ones on long petioles, the upper ones subses- sile, lanceolate ; rac. mostly simple, short ; hds. large, with conspicuous rays. — A very fine goldenrod, in woods on the sides of the White Mts., and at Fran- conia Notch, N. H. ! ' Also " on the sides of Killingtun Peak and Mansfield Mt., Vt." Robbins. It is remarkable for the long, slender stalks of the lower, ovate leaves, and for the large, deep yellow heads which exceed in size those of most other species. Stem 1 — 3f high, racemes axillary and terminal, usu- ally in a thyrse-like panicle. Aug. 14. S. Virgaurea. European Goldenrod. St. flexuous, furrowed, pubescent at top ; stem Ivs. lanceolate, serrate, knoer ones oval, attenuated at both ends ; rac. erect, ray elongated, flowers large.— This is the only species common to the two continents. One of its numerous varie- ties is seen scattered here and there on the lower summits of the White Mts. ! scarcely on Mt. Washington peak. The flowers are very few, often one only, but larger than those of most other species, and of a rich, golden-yellow. Stem often purple, 2 — 3' high, simple, with axillary and terminal flowers. Aug. 15. S. HUMiLis. Ph. Lovj or Humble Aster. Glabrous ; st. simple, erect ; radical Ivs. oblanceolate, petiolate, obtuse and crenate-serrate at apex, the cauline lanceolate, acute, the upper linear, en- tire; rac. simple or paniculate ; scales 6h\ox\g \ rays short. — On limestone rocks, at Winooski Falls, Colchester, also on the Win'ooski and Onion rivers, Vt! Robbins. Stem 6^12' high, somewhat glutinous. Raceme slender, strict. Leaves of the stem about 2' by 3 — 1", serrulate. Heads middle size, 6—8- rayed. Aug. Sept. "/?. Taller; hds. more numerous, in short, glomerate clusters, forming a dense, slender, interrupted raceme. Near the Willey House ! White Mts. § 5. Heads in secund racemes. Leaves evidently tripli-veined. 16. S. NEMORALis. Field Aster. St. subtomentose ; cauline Ivs. oblanceolate, sessile, hispid, nearly entire, SoLiDAGo. LXXV. COMPOSITiG. 331 commonly with tufts of smaller ones in their axils, radical ones suhcuneiform, serrate; rac. paniculate, secund ; rays 5 — 7.— A common, starved-looking spe- cies with a greyish, dusty aspect, bearing a dense panicle of deep yellow flow- ers. Height 1— 2f. In dry, sterile fields and by roadsides, U. S. and Can. Heads small, but with conspicuous rays. Panicle composed of many short racemes, inclining to one side, or often of a single, terminal, recurved one. Often the stem divides into branches, each bearing a panicle. Sept. 17. S. Canadensis. Canadian Goldcnrod. St. downy; lis. lanceolate, serrate, 3-veined, rough; rac. paniculate, .secund, recurved ; rai/s short.— In old fields, hedges, U. S. and Brit. Am. Com- mon. From 18' to bi high. Stem turrowed, terminated by a copious panicle which inclines to one side. Leaves sessile, 3' long, sometimes nearly entire, and perhaps a little downy. Heads almost innumerable, very small, with very obscure, yellow rays. Aug. — Oct. /3. proccra. T. & G. (S. procera. Ait.) St. villous ; Ivs. rough, villous be- neath ; hds. larger and with larger rays. In low grounds, 4 — 7f high. Leaves distinctly 3-veined. 18. S. sEROTiNA. Willd. Smooth Goldenrod. St. round, striate, smooth; Ivs. linear-lanceolate, acuminate, serrate; rac. secund, recurved, paniculate ; ped. pubescent ; hds. small, 15 — 20-flowered. — A smooth species, in meadows and thickets, U. S. and Can. Stem 3 — 6f high, very smooth, often glaucous or purple. Leaves 3 — 5 — 7' long, about ^ as wide, smooth, margin scabrous, slightly toothed, upper ones entire. Flowers nu- merous, forming a more or less compact panicle inclined at summit. Rays about 8, small. Sept. — Variable. . 19. S. GiGANTEA. Ait. Gigantic Goldenrod. St. smooth, striate ; Irs. lanceolate, serrate, margin rough, scabrous above and on the margin and on the veins beneath; rac. paniculate; branches pubes- cent; ped. and pedicels hairy. — A large, showy species, in low, open grounds, U. S. and Can. Stem green, sometimes purplish, 4 — 7f high, often much branched above. Leaves 2 — 4 — 7 long, about \ as wide, acuminate at each end, often with divergent teeth. Heads about as''large as in the last. Panicle often diffuse, on spreading, leafy branches. Aug. — Oct. 20. S. ciLiARis. Willd. St. angular, smooth ; Ivs. elliptic-lanceolate, subserrate and scabrous on the margin, smooth both sides, sub-3-veined ; rac. paniculate ; pedicels (elon- gated) smooth ; bracts (often) ciliate ; rays short. — In the public lands about Ft. Niagara, N, Y. In these specimens the" whole plant is smooth except the mar- gins of the leaves. Stem 2 — 3f high, striate. Leaves subcoriaceous, radical ones petiolate. Racemes thin, spreading. Aug. Sept. 21. S. MissouRiENsis. Nutt. Glabrous, low, simple, slender ; Ivs. lance-linear, tapering to each end, very acute and rough-edged, lower ones with acute, slender serratures, radical oblanceolate, petiolate ; rac. small, in a dense, pyramidal or somewhat corym- bose panicle; hds. small, 12 — 15-flowered. — A delicate species, 1 — 2f high, in dry prairies. 111. and Mo. ! Leaves smooth and shining, lower 3 — V by 3 — 5", the others gradually reduced upwards to minute bracts. Rays about 8. Jl. Aug. § 6. Heads in secund racemes. Leaves feather-veined., all entire. 22. S. SEMPEKViRENS. (S. leevigata. Ait.) Evergreen Goldenrod. St. smooth; Ivs. lanceolate, somewhat succulent, smooth, entire and sca- brous on the margin, closely sessile ; rac. paniculate ; pedicels scabrou.s-pubes- cent ; rays elongated. — Marshes along the coast, and river banks, within the influence of the water. Stem 3 — 6f high, purplish, somewhat glaucous, with numerous long and narrow leaves. Heads large. Rays about 8, long and narrow. Sept. 23. S. ODORA. Ait. Sweet-scented Goldenrod. St. round, pubescent, slender ; Ivs. linear-lanceolate, acute, abrupt, and sessile at base, very entire, smooth, punctate with pellucid dots, rough-edged ; rac. paniculate. — In dry, fertile woodlands and sunny hills, U. S. and Can. 332 LXXV. COMPOSITE. Solidago. Stem 2 — 3f high, yellowish-green. Leaves 1 J — 3' by 3—5", with a strong, yel- lowish midvein, but no veinlets. Panicle inclined. Piacemes 2 — 3' long, spreading, each generally with a leaf at base, and a simple row of small heads on the upper side. Jl. — Sept.— The only species of solidago which has proper- ties generally considered either agreeable or useful. The leaves are aromatic and yield by distillation a fragrant volatile oil from the pellucid reservoirs. They are a good substitute for tea, and have been exported to China. ^ 7. Heads in semnd racemes. Leaves' feather-veined., the lower serrate. 24. S. PATULA. Muhl. Spreading Goldenrod. St. smooth, angular-striate ; Ivs^ elliptic, acute, serrate, very scabrous above, smooth beneath, lower ones oblong-spatulate ; rac. paniculate, spreading ; pedicels pubescent. — In wet places. Can. N. and W. States, not common. Stem 2 — 4f high, virgate, often purple, strongly angled, with leafy branches at top. Stem leaves 1 — 2' long, J as wide, radical ones 2 or 3 times larger, all perfectly smooth beneath, although quite rough backwards above. Racemes short, on the ends of the spreading branches, with large heads. Sept. 25. S. NEGLECTA. Torr. & Gray. Neglected Solidago. St. smooth ; lis. rather thick, smooth, varying from ovate-lanceolate to narrow-lanceolate, tapering to both ends, feather-veined, entire, the lower and radical ones serrate ; rac. secund, dense, somewhat spreading, on elongated, slender, suberect branches, which are somewhat leafy at base ; ach. smooth. — Grows in swamps, N. H. ! to la., rather rare. Stems 2 — 4f high, straight, round, dividing at top into several nearly erect branches, forming an elongated panicle. The leaves are sometimes nearly tripli-veined, often very scabrous on the margin. Racemes short. Heads middle-size, 10 — 20-flowered. Scales obtuse. Aug. Sept. 26. S. ARGUTA. Ait. SJiarp-notchcd Goldenrod. S'. erect, straight, smooth; Ivs. smooth, acutely and unequally serrate, with diverging teeth, cauline ones elliptical, sessile, highest ones entire and small, radical ones oblong-ovate, attenuate at base into winged petioles; rac. paniculate, secund, dense ; hds. middle size ; rays about 10. — In meadows and woods, U. S. (from lat. SS*) N. to the Arc. Circle. A smooth plant 2— 3f high, with a large, dense, corymbose panicle of very numerous heads. Racemes recurved, a finger's length, the compound pedicels roughish, bracted. Aug. Sept. /?. juncea. (S. juncea. Ait.) Lvs. lanceolate, lower ones serrate, upper ones entire ; st. brownish, striate ; raijs twice as long as the involucre ; panicle less dense. 27. S. MuHLENBERGii. Torr. & Gray. (S. arguta. Muhl.) St. furrowed, glabrous ; lis. smooth both sides, strongly and sharply ser- rate, the radical ones ovate, petiolate, cauline ones elliptical-lanceolate, acumi- nate at each end ; rac. secund, short, remote, axillary, spreading ; pedicels pubescent; hds. 15 — 20-flowered; scales linear, obtuse. — In damp woods and thickets, JST. H. ! to Penn. Stem 2 — 3f high, generally simple, bearing a long, open panicle. Leaves large, notched with very acute or acuminate teeth, feather- veined. Heads middle size, with 6 — 8 rather large rays. Aug. — Oct, 28. S. ALTissiMA. (S. rugosa. JVilld.) Tall Goldenrod. St. erect, hairy; lvs. lanceolate, lower ones deeply serrate, rough and wrinkled. — A very variable species, the tall, rough varieties of which are com- mon about the borders of fields, in hedges, U. S. and Brit. Am. Stem rough with hairs, ei-ect, 3 — 5f high, much branched at top. Leaves variously toothed or serrate, numerous both upon the stem and branches. Branches widely spreading, each terminating in a recurved panicle with the flowers turning up- wards. Scarcely two of the plants look alike. The branches are very widely spread, or but little diverging, with few and scattered heads, or with numerous heads ; the leaves are equally or imequally serrate, hairy or woolly. Aug. — Oct. 29. S. LiNoiDEs. Solander. Smooth ; st. slender, simple ; lvs. lanceolate, finely serrate and scabrous on the margin, radical ones petiolate, upper entire ; hds. small, in short, secund, at length spreading racemes; scales oblong-linear, obtuse, appressed ; rays 1 — 4, Chrysopsis. LXXV. COMPOSITE. 333 short. — A small species, near Boston, Greene in N. Am. Fl., ii. 216. Stem 12—20' high. Leaves 1—5' by 3—6" wide. Panicle small, usually turned to one side. Sept. Oct. 30. S. ULMiFOLiA. Muhl. Elni-kaved Solidago. St. glabrous, with hairy branches; Ivs. thin, elliptic-ovate, serrate, acumi- nate, sessile, tapering to the base, smooth above, villous beneath ; roc. panicu- late, recurved-spreading ; ped. villous ; rays 3 — 5, short. — In woods and low grounds, Northern and Western States ! A very distinct species, more resem- bling the dm in its slender, arched branches than in its leaves. Stem striate, about 3f high, rarely with scattered hairs. Radical leaves tapering to winged petioles, and hairy both sides, with coarse and unequal serratures, upper ones entire, middle ones about 3' by U'. Rays deep 3'ellow. Aug. Sept. 31. S. ELLIPTICA. Ait. St. erect, glabrous, leafy ; Ivs. elliptical, acute at each end, obscurely ser- rate, glabrous, upper ones sessile, entire ; racemes short, recurved, paniculate ; hds. middle size, about 7-rayed; scales narrow, acute. — Salt marshes, R. I. Olney! Near New York, T. df- G. Stem 3 — 5f high, bearing a close, somewhat leafy, pyramidal panicle. Leaves 2 — i' by * — U', rough-edged, the serratures appressed and rather remote. Rays oblong, rather large, pale yellow. Oct. 19. ECLIPTA. Heads many-flowered ; ray fls. 9 numerous narrow ; disk ^ tubu- lar, mostly 4-toothed ; scales 10 — 12, in 2 rows, leafy, lance-ovate ; receptacle flat : cliafi" bristly ; achenia somewhat angular or 2-edged ; pappus 0. — ® Herbs strigose with rigid hairs^ erect or procumbent. Lvs. opposite^ axillary and terminal solitary. Fls. white. E. ERECTA. (E. procumbens. Mkhx.) St. often decumbent ; lvs. lanceolate or lance-oblong, tapering to each end, subserrate ; ped. much longer than the heads ; scales or leaves of the involucre acuminate. — Damp soils, Md. to 111. Mead ! S. to Flor. Stem often rooting at the lower joints, 1 — 3f long, with an elastic, thread-like fibre. Leaves 8 — 14" by 2 — 5", rough, obscurely tripli-veined. Heads small, with minute flowers and short rays. The juice "turns black, and is said to dye wool black. Jn. — Sepi. 0. brachypoda. T. & G. (E. brachypoda. Mlckv.) Ped. scarcely longer than the heads. 20. CHRYSOPSIS. Nutt. Gr. Kpviro;, gold, ot^ij, appearance ; for the showy, yeUow flowers. Heads many-flowered ; ray-flowers 9>disk-flowers ? ; involucre im- bricate ; receptacle subalveolate, flat ; pappus double, the exterior short, interior copious, capillary ; achenium hairy, compressed. — % Hairy herbs, with alternate and entire leaves. 1. C. FALGATA. Ell. (Inula falcata. Ph.) Woolly and villous ; lvs. sessile, linear, ver}' acute, subfalcate, spreading, veins pilose on both sides ; hds. in axillary corymbs ; invol. pilose. — A low, leafv plant, in dry, sandy soil, near the sea, Mass. to N. J. Stem thick, leafy, about 8' high. Heads 'small, bright yellow, in crowded, axillary corymbs. Rays 3-toothed at the apex. Sept. Oct. 3. C. Mariana. Nutt. (Inula Mariana. Linn.') Hairy; lvs. oblong-lanceolate, serrate, the upper ones sessile,_ acute, the lower ones spatulate and generally obtuse; corymb simple; ?nroZ. viscidly pu- bescent.—Sandy barrens, N. J., Md. ! to Flor., common. The stem and leaves are clothed with scattered, long, silky hairs. Plant about 2f high. Lower leaves taper at base into petioles. The cor}Tnb of flowers is terminal, nearly or quite simple. Heads large, 16—20 rayed, yellow, on viscid glandular pe- duncles. Aug. • Oct. 3. C. virxosA. Nutt. (Amellus. Ph. Diplopappus. Hook.) Erect, leafy, villous-pubescent and strigose ; lvs. entire, sessile, ciliate be- 334 LXXV. COMPOSITE. Baccharis. low, lower ones oblong-spatulate, upper ones oblong-linear or lanceolate ; hds. large, solitary and terminal, somewhat fastigiately corymbose ; scales linear- subulate. — Prairies, 111. to Oreg. Stem I — 2f high. Leaves 1 — 2' by 3 — 5", whitish and rough. Rays about 25, oblong-linear, entire, golden yellow. "Jl. Sept. 21. INIJLA. Heads many-flowered ; involucre imbricate ; ray-flowers numerous, 9, disk flowers ?' ; receptacle naked; pappus simple, scabrous ; an- thers with 2 bristles at base. — % Coarse Eimvpean herbs, with alter- nate leaves and yellow fiowers. I. Helenium. Elecampane. Lis. amplexicaul, ovate, rugose, downy beneath ; invol. scales ovate. — A large herbaceous, coarse-looking plant, common by road-sides, N. Eng. to 111. Stem 4 — 6f high, furrowed, branching and downy above. Radical leaves very large (1 — 3f by 6 — 12'), serrate, those of the stem clasping. Flowers large, solitary, terminal, of a bright yellow. Rays linear, with 2 or 3 teeth at the end. The medicinal virtues of the plant have long been esteemed. These are tonic and expectorant. Flowers in July and Aug. Section 3. Heads lUscoid. 22. BIGELO VIA. DC. In honor of Dr. Jacob Bigelow, the well-known author of" Florula Bostoniensis," &e. Heads 3 — 4-flowered, the flowers all tubular, $ ; involucre cylin- drical, as long as the flowers ; scales rigid, linear, closely imbricated ; receptacle pointed by a scale-like cusp ; achenia obconic, hirsute ; pappus bristles in one series. — % Glabrous, slender. Lvs. alternate^ entire. Hds. fastigiately corymbose, icith yelloio fis. and colm-ed scales. B. viRGATA. DC. (Chry.socoma virgata. Nutt.) Smooth in all its parts ; sL virgately branched from near the base ; branch- es corymbose-fastigiate above ; Irs. narrowly linear, 1-veined, the cauline line- ar-spatulate ; scales glutinous. — Swamps, N. J., &.c. A plant resemblins: Soli- dago tenuifolia in aspect, I — 2f high. Leaves 2 — 3' by 1 — 2", rather firm and somewhat remote. Fls. bright yellow, the scales also yellowish. Aug. — Oct. 23. PLUCHEA. DC. Heads many-flowered, those of the margin 9, of the centre 5 but sterile ; involucre imbricated ; receptacle flat, naked ; style undivid- ed ; pappus capillary, simple. — Stro7ig-scented herbs, with alternate leaves and corymbs of furple flowers. 1. P. CAMPHORATA. DC. (Couyza camph. Muhl. C. Marilandica. Mick.r.) Lvs. ovate-lanceolate, somewhat pubescent, acute, serrate, ser- ratures mucronate ; fls. in crowded corj^mbs. — %. A fleshy, strong-scented plant, native of salt marshes, Mass. to Flor. Stem a foot high, thick, downy, with al- ternate leaves and axillary branches. Flowers light purple. Aug. 2. P. FCETiDA. DC. (Baccharis. Linn. Conyza camphorata. Ph.) Erect, nearly glabrous, very leafy ; lvs. broadly lanceolate, acute or acu- minate at each end, petiolate, feather-veined, obtusely subserrate; hds. numer- ous, in paniculate corymbs ; scaJes ovate-lanceolate, acute. — A strong-scented plant, in open, hilly groimds. Western States. Stem 1 — 2f high, subsimple. Leaves 4 — 7' by IJ^S', sprinkled with minute dots ; petioles \ — 1' long. Heads numerous. Aug. — Oct. 24. B A C C H A R I S . From Bacchus, wine ; from its fragrance resembling that of wine. Heads many-flowered, 9 c? ; involucre imbricate, cylindric or ovate, with subcoriaceous, ovate scales ; sterile flowers with the stamens ex- SiLPHiUM. LXXV. COMPOSIT- Calyx 5-ribbed. (■Leaves crenate. (Calyx 15ribbed. J S Plants glabrous. ( included beneath 1 Leaves sharply serrate. \ Plants hairy. 2 1 Stamens as- ■; the upper lip. . . I Leaves entire, lance-linear and elliptic. ^ cending and I e.xserted through the fissure of the upper lip of corolla » ■! ij I Upper lip of the corolla 2-lobed, "2 u 4 Corolla not spurred. < Upper lip of the corolla 4-cleft. " 5 LStamens declinate. K'orolla tube spurred g, i Leaves t Lower lip of the corolla with 2 lateral teeth. "rt < undivided. \ Lower lip of the cor. with lateral lobes reflexed. Slachys. O ^ the teeth spinescent. t Leaves mostly 3-lobed Leonurvs. Ca yx 4-tpothed. Upper pair of anthers cohering, half empty Synandra. Calyx subentire, very largo, campanulate Mnlncella. Calyx 10-toothed, the alternate teeth shorter Marrvhivm Lamivm. Nepeta. Phy^osteg-ia. Ballota. Micromeria. Teucrium. LaiKindida. Ocimum. Plcclranthus. Gateopsis. Mentha. XCIII. LABIATE. 415 Tribe 1. OCIMOIDEiE.— Corolla subbilabiate, the 4 upper lobes nearly- equal, the lower one declinate, flat or concave, carinate or saccate. Stamens 4, declined. 1. OClMUM. Gr. o^a, to smell ; on account of the powerful scent of the plants. Upper lip of calyx orbicular, lower 4-fid ; corolla resupmate, one lip 4-cleft, the other undivided ; exterior filaments with a process at their base. O. BASiLicuM. Royal Ocimum. Sweet Basil. — Lvs. smooth, ovate-oblong, subdentate, petiolate ; cal. ciliate. — (I) An exotic from Persia, cultivated. Plant about a foot high, with peculiarly smooth and soft leaves variously colored, ex- haling a delightful odor. Stem retrorsely pubescent above, branched. Flow- ers white, in simple, terminal racemes. Jl., Aug. \ 2. LAVANDtJLA. Lat. lavare, to wash. The use of the distilled water of this plant is well known. Calyx ovoid-cylindric, with 5 short teeth, the upper one often largest ; corolla upper lip 2-lobed, lower 3-lobed, lobes all nearly equal ; tube exserted ; stamens included. L. spiCA. Lavender. — Lvs. linear-oblanceolate, tapering to the base, sessile, revolute at the edge, the upper ones linear-lanceolate, the highest shorter than the calyx; spike intenmpted; bracts subulate. — % Plant 12 — 18' high, suiSruti- cose, branching from the base. Leaves crowded at the base of the branches, clothed with a whitish down. Calyx villose. Corolla much exserted and of a lilac color. The plant is well known as an aromatic of a delightful fragrance. It is stimulant and tonic, and the oil extracted by distillation enters into many compositions in medicine. Jl. ^ 3. PLECTRANTHUS. L'Her. Gr. T\riKTpov, a cockspur, av^oi ; from the spur-like appendage of the corolla. Calyx upper lip largest ; cor. resupinate, ringent, with the tube gibbous or spurred on the upper side at base. — Half shrubby plants, with purple flowers. Natives of hot climates. P. PARViFLORUs. " Sagc Gcranimn." — St. suffruticose, smoothish, branched ; roc. compound, terminal, leafless ; peduncles 1-flowered, verticillate ; corolla gibbous. — S. America. Sometimes seen in house cultivation and called Sage Geranium! It is a large, coarse plant, 2 — 3f high, with large, soft, ovate, cre- nate leaves, and terminal racemes of very delicate bluish-purple flowers. Tribe 2. MENTHOIDE.E. — Corolla somewhat campanulate or funnel- form ; tube scarcely exserted, limb subequally 4 — 5-lobed. Stamens 4, some- times 2, distant, straight, diverging. 4. MENTHA. Mintha, the daughter of Cocj-tus, is fabled to have been changed into one of these plants. Calyx equally 5-toothed ; cor. nearly regular, 4-cleft, the broadest segment emarginate ; sta. 4, straight, distant ; anth. cells parallel ; filaments naked. 1. M. Canadensis. (M. borealis. Michx.) Horsemint. Ascending, pubescent; lvs. petiolate, lanceolate, serrate, acute at each end; fs. in axillary cymes ; sta. generally exserted. — % Can. to Ky. and Penn. An herbaceous, grayish plant, 1 — 2f high, growing in muddy situations. The stem is square and usually branched, the angles beset with reversed hairs. Leaves serrate, on opposite, downy footstalks, and punctate with resinous dots at each end. Flowers apparently in whorls, pale purple, usually distinguished by the projecting stamens which are sometimes twice as long as the corollas. Calyx hairy. Aromatic like the other species. June, July. .5. stamens equaling the corolla. 416 XCIII. LABIATiE. Lycopos, 2. M. viRiDis. (M. tenuis. Michx. M. gracilis. Muhl.) Spearmint. Lis. subsessile, obloug-lanceolate, acute, incisely serrate ; l^j-acts setaceous, and, with the teeth of the calyx, somewhat hairy; spikes slender, interrupted, attenuate above. — % Can. and U. S. A well known plant, highly esteemed for its agreeable, aromatic properties. It grows in wet soils, rapidly spreading by its creeping roots, with erect, branching, 4-angled stalks, 1 — 2f high. The spikes are somewhat panicled, long, composed of distinct, axillary cymes, ap- parently whorled, a little remote from each other. Peduncles smooth, round, shining. Corollas pale purple. Styles much exserted. 3. M. PIPERITA. Smith. Peppermint. Lvs. smooth, ovate-lanceolate, serrate, petiolate ; bracts lanceolate ; cai. quite smooth at base, punctate. — % This species, introduced from Europe, has become naturalized in wet places, and cultivated in gardens. It has a more penetrating taste and stronger smell than the other species, pungent to the tongue followed by a sensation of coldness. The essence of peppermint is a well known medicine, acting as a cordial, used in flatulency, nausea, &c. It has a purplish stem, 2 — 31 high, with scattered, deflexed hairs. Leaves sharply serrate, dark green. Corolla purplish. July. 4. M. ARVENsis. Corn Mint. Field Mint. St. ascending, much branched ; lvs. ovate, serrate, petiolate, acute, hirsute ; verticils axillary; pedicels smooth; cat. hirsute. — Naturalized in Penn. Ohio, &c., native in Europe. Stem stout, often erect, about If in height. Leaves varying to oblong or ovate-lanceolate, sometimes nearly smooth, about twice longer (1 — 2') than wide, several times longer than the petioles. Flowers small, numerous, pale purple. Stamens exserted. The plant smells like de- cayed cheese. July. 5. IS ANT H US. DC. Gr. icos, equal, av^oi, the flowers being regular, a character very rare among the labiates. Calyx subcampanulate ; corolla 5-parted, tube straight and narrow, segments of the border ovate and equal ; stamens subequal ; stigma linear, recurved. I. coERULEUs. Blue Gentian. Viscid, hairy ; Its. oval-lanceolate, acute at both ends, 3-veined ; ped. 1 — 2-flowered. — % A branching, leafy herb, in dry fields. Northern and Western States ! with the aspect of the pennyroyal. Stem rounded, slender, 12 — 18' high with branches and leaves opposite. Leaves an inch or less in length, and a fourth as wide, distinctly triple-veined. Flowers numerous, blue, with in- cluded stamens. Calyx leaves lanceolate, longer than the tube. July. 6. LYCOPUS. Gr. XvKOS, a wolf. TTOVi, a foot ; a fanciful name. Calyx tubular, 4 — 5-cleft ; cor. subregular, 4-cleft, the tube as long as the calyx, upper segment broadest, emarginate ; sta. 2, dis- tant, diverging, simple ; sty. straight, as long as the stamens ; ach. 4, obliquely truncate at apex. — % 1. L. siNUATUs. (L. Europaeus. Michx. L. Americanus. Muhl.) Water ■ Hjarhmmd. — Lvs. oblong-lanceolate, sinuate-dentate, lower ones incised ; teeth of the calyx acuminate-spinescent ; st. square, 1 — 2f high ; Jls. small, white, many in a whorl. — A perennial plant, widely diffused throughout the U. States, grov.'ing in damp grounds. In habits and general appearance it resembles the Mentha?, but is sufficiently distinguished by the number of stamens, form of the flattened triquetrous achenia. and its being inodorous. Stem sharply 4- angled, the sides concave, 1 — 2f high. Lower leaves deeply and pinnatifidly toothed. Verticils dense. Calyx teeth longer than the achenia. It dyes a permanent black. Aug. 2. L. ViRGiNicDs. Virginian Walter Hoarhound. Bugle-ioeed. Lvs. broad-lanceolate, serrate, tapering and entire at the base ; caJyx teftk MONARDA. XCIll. LABIATiE. 417 spineless, usually 4, shorter than the achenia. — A plant as widely diffused as the preceding, growing in wet soils. Stem smooth, obtusely 4-angled, with the sides concave, 12 — 18' high, usually simple, bearing small whorls of minute, purplish flowers. Leaves with coarse, tooth-like serratures, sessile. The whole plant often changes to purple. It is reputed a remedy for blood-spit- ting. July, Aug. Tribe 3. MOXARDE^E. — Corolla bilabiate ; tube exserted. Stamens 2, fer- tile, ascending, the upper pair abortive ; anthers linear with the 2 cells con- tiguous, or halved with the 2 cells widely separated on opposite ends of a long, transverse connectile. 7. MONARDA. Name in honor of Monardua, a Spanish botanist of the 16th century. Calyx elongated, cylindric, striate, subequally 5-toothed ; cor. rin- gent, tubular, upper lip linear, lower lip reflexed, 3-lobed, the middle lobe narrowest ; sta. 2, fertile, ascending beneath the upper lip, and mostly exserted ; anth. cells divaricate at base, connate at apex. — '^1- 1. M. DiDYMA. (M; purpurea. I/aw.. M. coccinea. Micte.) Mnmtain Mint. St. acutely 4-anglea ; lis. broadly ovate, acuminate, somewhat rough and villous, on short petioles, veins and veinlets hairy beneath ; Jls. in terminal, often proliferous heads ; bracts colored. — A handsome, fragrant plant, 2 — 3f high, with crimson or scarlet flowers. Stem mostly branching. Leaves 2 — 5' long, very broad at base, often cordate, serrate, witli scattered hairs above, and prominent, hairy veins beneath. Flowers in heads v/hich are often proliferous, with large, ovate-lanceolate bracts tinged with the same color as the corollas. Calyx colored. Corollas large and showy. Styles 4, 2 of which are minute and abortive ; hence the specific name. A beautiful plant in cultivation Swamps, Can. to Ga. 2. M. FisTULosA. ("M. oblongata, rugosa, clinopodia, allophylla, mollis, pur- purea, of aut/iors?) Horsemint. Wild Bergamot. — Lvs. ovate-lanceolate, acute or acuminate, petiolate, more or less pubescent ; fids, of Jls. terminal, few, but many-flowered ; bracts sessile ; cal. slightly curved with the throat hirsute. — A handsome, variable plant, growing in hedges, thickets, rocky banks, Mass. to Ga. W. to the Saskatchawan. The stem is 2^ — 4f high, quadrangular with the sides somewhat concave, hollow in various degrees, nearly smooth or pubes- cent above, simple or with a few opposite branches. Leaves obtuse at base, ovate or oblong-lanceolate, mostly acuminate, acutely serrate, nearly smooth, 2 — 4' long and on petioles ^ their length. Flowers in involucrate, terminal heads, 20 — 50 in a head. Outer bracts lealy, often partially colored. Calyx slender, J' in length. Corolla much exserted, varying from greenish-white and pale purple to blue, the upper lip long and linear, enfolding the 2 stamens, which, with the style are somewhat exserted at its end. Jl. Aug. a. St. simple, hollow; lids, simple or proliferous; cor. pale yellow. /?. (M. allophylla. Mx.) S(^. branched, hollow, or solid with pith ; Zrs. oblong- lanceolate; lids, simple; bracts partially colored; cor. pale blue. y. (M. clinopodia. L.) Sf. solid; lvs. tapering at base, remotely serrate; hds. simple; cal. short; cor. pale purple. t. furjnirea. St. tall (3 — 5f ), glabrous, dark purple.- la. ! common. f . mollis. Lvs. softly pubescent ; upper lip of cor. densely bearded. 3. M. PUNCTATA. (M. lutea. Michx.) Horsemint. Nearly glabrous ; st. obtusely angled, hoary-pubescent ; lvs. oblong-lan- ceolate to oblong, remotely and obscurely serrate; verticils axillary, dense; bracts lanceolate, colored, longer than the verticils ; cal. teeth unequal. Pine barrens, N. J., common, to Car. and Western States. Stem 2 — 3f high, branched. Leaves punctate. Corolla yellow, with brown spots, upper lij) villous at the apex. Bracts large, yellow and red. Sept. — It contains an essential oil which is valuable in medicine. 418 XCIII. LABIATE. Saltu. 4. M. Bradburiana. St. simple, glabrous ; lis. ovate- or oblong-lanceolate, subsessile, rounded at base, hirsute-pubescent both sides, margin subdentate, apex acute; caZ. pilose, densely bearded at throat, segments subuiate-spinose ; hds. large, terminal, outer bracts broad-lanceolate, ciliate, colored. — Ohio to 111. Mead ! Stem slender, aboutSf high. Leavessometimes .slightly petiolate, 2 — 3' long. Bracts purple. Corolla purple. Jl. 8. BLEPHILIA. Raf. Gr. P\e(papts, the eyelash ; probably referring to the ciliate bracts. Calyx 13-ribbed, bilabiate, upper lip 3-toethed, lower lip shorter, 2-toothed, the teeth setaceous ; corolla bilabiate, upper lip short, erect, oblong, obtuse, entire ; lower lip of 3 unequal, spreading lobes, the lateral ones orbicular ; stamens 2, fertile, ascending, exserted. 1. B. HiRsuTA. (Monardahirsuta. Ph. M. ciliata. Michx.) Hairy Blephilia. Whole plant hirsute; Irs. ovate-lanceolate, acuminate, serrate, petiolate ; fis. in axillary verticillasters and terminal heads ; bracts colored, shorter than the flowers, oblong, acuminate. — % In damp woods, rare N. Eng., common in the W. States. Stem 1 — 2f high, diffusely branching, roughly pubescent. Peti- ole \ — I' long, leaves 3 or 4 times as long, somewhat rounded at base. Flowers small, forming several dense whorls near the ends of eacri branch. Corolla scarcety J' long, pale parple with spots of a deeper hue. Style longer than sta- mens or corolla. Jn. Jl. 2. B. CILIATA. (Monarda ciliata. Linn, not Michx.') St. hirsute, simple, acutely 4-angled ; Ivs. few, ovate-lanceolate, tapering to an obtuse point, subsessile, serrate, minutely pubescent ; fis. in dense, ap- proximate, involucrate, terminal and subterminal verticils ; bracts ovate, veiny, glabrous, ciliate, as long as the calyx. — Fields, barrens, Penn. to the Miss., very abundant in the Western States ! Plant 2 — 4f high, generally simple, rarely with 1 or 2 branches. Leaves 1 — 2^' long, i — 1' wide. Flowers small, numerous. Verticils subglobose. Outer bracts 5" by 3—4", whitish. Calyx subbilabiate. Jn. — Aug. 9. SALVIA. Lat. salvco, to be in health ; probably from its salutary qualities. Calyx striate, bilabiate, upper lip 2 — 3-toothed or entire, lower lip divided ; corolla ringent ; stamens 2 ; connectile transversely articu- lated to the filament, supporting at each end a cell of the dimidiate anther ; achenia 4. — A large genus of which but few species are native. The transverse connectile constitutes the essential character. 1. S. LYRATA. Wild m- Mcadmu Sage. Cancer-weed. Radical Ivs. lyrate, erosely dentate ; tipper lip of tlie cor. very short, straight. —% in shady woods, Can. to Ga. Stem erect, quadrangular, nearly leafless, 1 — 2f high, branching above and covered with hairs pointing downwards. Radi- cal leaves oblong, lyrate or sinuate-pinnatifid, petiolate. Cauline leaves but 1 — 2 pairs, just below the raceme. Flowers in whorls of about 6, distant, con- stituting a long, interrupted raceme. Corolla blue, the ttxbe much exserted. Native of shady woods. May, June. 2. S. OFFICINALIS. Common Sage. — Lws. ovate-lanceolate, crenulate, rugose ; whorls few-flowered ; cat. raucronate ; -upper Up of the cor. as long as the lower and somewhat vaulted. — A well known garden plant, with a shrubby stem, rugose leaves of a dull green color and an aromatic fragrance. Flowers in whorls forming a spike. Corolla ringent, blue, with a lengthened tube and viscid calyx, somewhat brown. Native in the south of Ettrope. Very useful in domestic economy and medicine. July. X 3. S. ScLAREA. Clarry. — Lvs. oblong, heart-shaped, rugose, villous, serrate- bracts colored, concave, longer than the calyx. — (g) A strong-scented exotic, I — 3i high, with viscid leaves as large as the hand. The flowers and bracts are Pycnanthemum. XCIII. LABIATE. 419 variegated with pale purple and yellowish-white, in whorled spikes. Caljrx with spinous teeth. Native in Italy. J 4. S. Mexicana. Willd. '? Mexican Salvia. — St. branching at base, weak, ascending, pubescent ; lis. long-petiolate, ovate-lanceolate, subcordate, crenate- dentate, smooth above, pubescent beneath ; Jls. opposite, in terminal racemes ; ^/■«c/s deciduous ; c«^. slightly colored, upper lip truncate, subentire ; cor. fim- briate-ciliate, 3— 4 times longer than the cal3'x; .'!/y. exserted. — 7|. Mexico. A beautiful and popular house plant. Flowers bright crimson or scarlet, near 2' long. There are several varieties, f 5. S. sPLENDENs. Ker. 1 — SL erect, glabrous ; lis. broad-ovate and ovate, peti- olate, rounded or acute at base, glabrous both sides, dent-serrate, acuminate ; Jls. opposite, racemose ; brac/s deciduous ; cal. scarlet, and, with the corolla, pubescent, upper lip entire, acuminate, lower lip 2-toothed. — % Mexico. Gar- dens. Plant 2 — 4t' high, branched. Flowers large, scarlet. After flowering the calyces enlarge, and become as showy as the corollas, f 10. ROSMARINUS. An ancient Latin name, compounded of ros, dew, and WMrJnws.of the sea. Corolla bilabiate, upper lip 2parted, lower lip reflexed, in 3 divis- ions of which the middle is the largest ; fil. 2 fertile, elongated, as- cending towards the upper lip, having a tooth on the side. R. OFFICINALIS. Rnscmary. — Lis. sessile, linear, margins revolute. — An erect, evergreen shrub, 4f high, much branched. Leaves opposite, obtuse, linear-ob- long, entire, smooth, dark green and shining above, downy and sometimes whitish beneath. Flowers axillary and terminal, of a bright blue color, having, like the leaves, a strong aromatic' fragrance like camphor. It yields by distil- lation a large proportion of fragrant oil. ■\. Tribe 4. SATUREINEJ3.— Calyx 5-toothed and equal, or bilabiate with the upper lip trifid and the lower bifid. Corolla subbi labiate, upper lip erect, flat, entire or bifid, lower spreading, trifid, lobes subequal ; tube about as long as the calyx. Stamens 2 — i, distant, straight, diverging. 11. PYCNANTHEMUM. Benth. Gr. TTVKvof, dense, av%s, alluding to the dense, capitate inflorescence. Calyx tubular, striate, 5-toothed ; upper lip of corolla nearly en- tire, lower lip trifid, middle lobe longest ; sta. distant ; anth. with parallel cells. 1. P. iNCANUM. Michx. (Clinopodium. Willd.) Mmmtain Mint. Wild Basil. — Lvs. oblong-ovate, acute, subserrate, rounded at the base, with short petioles and hoary tomentiim ; hds.offis. compound, terminal and lateral, pedimculate ; bracts subulate. — %. Grows "in rocky woods and hills, Can., N., Mid. and W. States. Stem 2— 4f high, obtusely 4-angled, erect, and, like the rest of the plant, covered with soft, whitish down. Leaves whitish beneath. Flowers pale red with purple spots, on white, tomentose peduncles, in dense heads, and with numerous bracts, of which the inner ones are setaceous, beard- ed at the end; the outer ones are lanceolate. Plant aromatic. Jl. Aug. /?. St. taller, branched ; upper lis. with white blotches. — Ind. ! 2. P. ARisTATUM. Michx. (Ncpeta Virgiuica, ZyMw. ?) Wild Basil. S^. hirsute-pubescent, brachiate-corymbose; lis. ovate-lanceolate, briefly petiolate, acute at base, subserrate, pubescent, acuminate ; verticils terminal, capitate and subterminal, hirsute; bracts lance-subulate, and with the calyx terminated by awns.— Woods and barrens, N. Y., Mass. to Miss. ! Stem 1 — 3f higli, subsimple or much branched. Leaves 1— 2i' by i — y, generally with small, remote serratures and ciliate on the margin. Each branch terminates in a small (i' diam.) head with one or tvv-o dense whorls just below it. It is a more .spreading and hairy plant than P. muticum. Jl. Aug. 36 420 XCIII. LABIATE. Thymus. 3. P. pilOsum. Nutt. Hairy Pycnanthcmuvi. St. and ^^-5. beneath pilose ; st. subsimple ; Ivs. lanceolate, nearly entire, sessile- ^5. in large, terminal, sessile heads; brads lanceolate, and, with the calyx, canescently villous and awnless; cor. pubescent; sta. exserted.— "IJ. Low grounds. 111. Mead, to Tenn. NuUall. I am unacquainted with this species, but it is'probably distinct, closely allied to the last. " Stem a little branched at the summit. Bracts shorter than the calyx, acute but not awned. Calyx teeth minute. Corolla white, without spots." 4. P. MUTicuM. (Brachystemum muticum. Michx.) Aiunless Pycnanthe- mum. St. pubescent, paniculate-branching above ; Ivs. ovate-lanceolate, subdentate, sessile, nearly smooth ; hds. terminal ; bracts ovate-lanceolate, acu- minate, awnless; sta. included. — %. Found in woods and dry hills, Penn. toGa. and W'. States. Stem 2f high, square, with larger, opposite leaves and white flowers. Leaves large, the width a third of the length, entire or denticulate.- Heads mostly terminal, and with the bracts and upper leaves, whitish pubes- cent. Corolla tinged with purple, with spots of a deeper hue. Aug. 5. P. LANCEOLATUM. Pursh. (P. verticiUatum. Pers. Brachystemum Virginicum. M.c. 7) — St. straight, corymbosely branched, pubescent on the angles ; lis. subsessile, ovate-lanceolate and linear-lanceolate, leather- vein- ed, entire ; verticils sessile, fasciculate-corymbed ; bracts linear-lanceolate, acu- minate ; sta. exserted. — % This species much resembles the next, but is distinct in several important characters. Grows in dry woods and hills, abundant W. and Mid. States. Stem 2 or more feet high, square, with obtuse angles, somewhat scabrous. Branches corymbed, downy above. Leaves varying in width from one-sixth to one-half of their length. Flowers collected in dense, canescent heads. Corolla purplish-white with darker spots. Aug. 6. P. LiNiFOLiuM. Pursh. Flax-leaved Pycna-nlhcmum. S!. straight, smooth ; branches trichotomous, fastigiate ; Ivs. linear, very entire, 3-veined, smooth; hds. terminal, dense, in a fasciculate corymb. — % An erect plant with fastigiate branches, Hf high, growing in exsiccated swamps, Penn., N. Y. to the Miss, and S. States. Stem often purplish, slightly 4-an- gled, corymbose at the summit. Leaves very narrow, entire, smooth and punc- tate, with fascicles of smaller ones in the axils. Flowers small, white, in nu- merous, small, roundish heads, mostly terminal, and with imbricated bracts. Aug. — I have generally found this species nearly destitute of the mint-like fla- vor of the foregoing. The statement in a former edition was made on the authority of others. 12. ORIGANUM. Gr. opo;, a mountain, and yaKO J, joy. Flowers collected into dense clusters, imbricated with bracts ; up- per lip of the corolla erect, flat, emarginate, lower lip with 3 nearly equal segments. 1. O. VULGARE. Wild Marjaravi. Lvs. ovate, entire, hirsute, petiolate ; spikes roundish, panicled, fascicu- late, smooth, erect; bracts ovate, longer than the calyx, colored. — 1|- grows in fields and thickets. Stem 12 — 18' high, purple, leafy, branching above. Leaves a very little serrate, opposite, hairy, .sprinkled with resinous dots, paler beneath. Petioles hairy one-fourth as long "as the leaves. Bracts tinged with purple. Flowers purplish-white. The plant has a highly aromatic taste. Jl. Aug. :j: 2. O. Majorana. Ph. (Majorana hortensis. Mmnch.) Stveet Marjoram.— Lvs. oval or obovate, obtuse, entire, petiolate, hoary-pube.scent; spikes roundish, compact, pedunculate, clustered at the end of the branches; bracts roundish. — % Native of Portugal, cultivated in gardens. It has a pleasant aromatic fla- vor, and is employed in various ways as a seasoning. Plant soft-downy, a foot high. Flowers pink-colored. Jl. Aug. ij^ 13. THYMUS. Gr. ^Vfioi, courage ; on account of its invigorating smell. Flowers capitate or verticillate : calyx subcampanulate, bilabiate. CcNii,A. XCIII. LABIATiE. 4ai 10-ribbed, the throat closed with hairs ; upper lip of the corolla flat, emarginate, shorter than the lower. 1. T. VULGARIS. Garden TImjme. — St. procumbent at base, erect; Ivs. revo- lute at the sides, oblong-ovate and lanceolate ; verticils in terminal, leafy spikes. — T2 Native of S. Europe and cultivated for culinary purposes. Stems suffru- ticose, numerous, branched, 6 — 10' high. It is highly aromatic, as well as the other species, and is peculiarly attractive to bees. Blossoms in summer, i^ 2. T. Serpyllus. Wild Thyine. Mother of Thyme. St. decumbent ; Ivs. flat, elliptical, obtuse, ciliate at base ; Jls. capitate. — % Mass., N. Y. and Penn. An aromatic plant, similar to the preceding, but milder and rather more pleasantly flavored. Stems suffruticose, wiry, slender and wavy, with leafy, downy and ascending branches, each terminating in a small, dense, oblong head of purple flowers, much Irequented by bees. Leaves entire, petiolate, punctate, smoothish, ciliate. Corolla purple, spotted. June. Cultivated and naturalized. 14. SAT UREJii. Aiabic satur the general name for labiate plants. Calyx tubular, 10-ribbed ; segments of the bilabiate corolla nearly equal ; stamens diverging, scarcely exserted. S. HORTENsis. Summer Savory. — St. branching; Ivs. linear-oblong, entire, acute at the end; ped. axillary, cymose. — % Native of Italy. Cultivated as a culinary aromatic. Stem branching and bushy, IJf high, woody at base, fre- quently changing to purple. Leaves numerous, .small and narrow, with axil- lary cymes of pink-colored flowers. Calyx about as long as the corolla. Jl. Aug. ^ 15. HYSSOPUS. Hebrew ezoS; Arabic ajjzo/; Eng. hyssop. Upper lip of the corolla erect, flat, emarginate, lower lip 3-parted, the middle segment largest, tube about as long as the calyx ; stamens exserted, diverging. H. OFFICINALIS. Hyssop. — L/vs. linear-lanceolate, acute, entire, sessile ; cal. teeth erect; Jls. in racemose, secund verticils, middle division of the corolla 2- lobed, entire. — 1}. The common hyssop is a native of S. Europe, often met with in our gardens, being cultivated for its reputed medicinal properties. It is a handsome plant, growing in tufts, 2f high, with delicate foliage and bright blue flowers. July. | 16. COLLINSONIA. Name in honor of John Collinson, an English botanist. Corolla exserted, carapanulate-ringent, upper lip in 4 subequal lobes, lower lip longer, declined, fimbriate ; stamens 2, (rarely 3) much exserted, divergent. C. Canadensis. Horse Balm. Lvs. ovate, acuminate, coarsely serrate, petiolate. glabrous; teeth of thecal. subulate, shorter than the tube ; rac. paniculate, terminal. — % A tall herb with large leaves and yellow flowers, woods and fields. Can. to Ky. and Car. Stem 4- sided, 3 — 4f high, smooth or a little pubescent. Leaves thin, 6 — 8' long and 3 — i' wide. Flowers in a large, compound raceme, with opposite branches and pedicels. Corolla greenish-yellow, the lower lip elongated and fringed. Style and stamens very long. Flowering in summer. 17. CUNlLA. The ancient Roman name for pennyroyal. Calyx lO-ribbed, equally 5-toothed, throat densely villose ; upper lip of corolla flat, emarginate ; stamens 2, erect, exserted, distant. C. Mariana. (Ziziphora, R. <^ S.) Dittany. Jjvs. ovate, serrate, subsessile ; cymes pedunculate, corymbose, axillary and 429. XCin. LABIATE. Melissa. terminal. ^4 Grows on rocks and in dry woods, N. Y. to Ga. and Ark. Stem 4-angled, mostly purple, branching, smoothish, 1 — 2f high. Leaves small, nearly smooth, roundish orsubcordate at base, tapering to a point and punctate with pellucid dots. Flowers with subulate bracts at the base of the 3-lorked pedicels. Calyx punctate. Corolla nearly twice as long as the calyx, pubes- cent, pale red. Stamens and style much exserted, of the same hue as the corolla. The' herb is delightl'ully fragrant, and used in febrifugal infusions. Jl. Aug. Tribe 5. MELISSINE.E.— Calyx bilabiate ; corolla bilabiate ; upper lip straight, lower lip spreading, cleft into 3 flat lobes, of which the middle one is often broadest. Stamens 4, sometimes 2, ascending. 18. HE DEO MA. Pers. G?'. iiScia, sweet or agreeable, oo-^ij, smell; on account of the ftajrance. Calyx gibbous beneath at base, 1 3-ribbed, throat hairy ; upper lip of corolla erect, flat, lower lip spreading, 3-lobed ; stamens 2, fertile, ascending. H. PULEGiuiDES. Pers. (Cunila. Limi. Ziziphora. li. <^ S.) Pennyroyal. Lvs. oblong, few-toothed ;/5. axillary, whorled.—® A small, strong-scented herb, held in high repute in the domestic materia medica. Stem erect, branch- ing, half a foot high. Leaves opposite, with 1—2 teeth each side, on very short petioles, smooth on the upper surface, roughish beneath. Calyx ciliate, 2 lower divisions spined. Abundant in dry pastures, N. Eng., Can. to Ga. and Ark. Flowering all summer. 19. MICROMERIA. Benth. Gr. fiiKpn;, small, jjicpoi, division; on account of the slightly 2-lipped calyx and corolla. Calyx 13 (rarely 15)-ribbed, 5-toothed, nearly equal ; corolla sub- bilate, tube exserted, upper lip bifidly emarginate, lower subequally 3-lobed ; stamens ascending, the upper pair shorter. M. GLABELLA. Beuth. (Cunila. Michx. Hedeoma glabra. Nutt.) Glabrous ; st. branching above, and mostly surculose at base ; te.s. entire, those of the suckers elliptic-ovate, of the stem linear-oblong, obtuse ; verticillas- ters about 6-flowered.— Tj. A delicate little herb nearly or quite smooth, growing on lime-stone rocks near the base of Niagara Falls ! W. to the Falls of St. An- thony. Rare. It has the general aspect and fragrance of pennyroyal. Stem erect (prostrate at base), 4-angled, slender, 6—10' high. Suckers at the base often numerous and several inches in length, with leaves about 3" by 2", brown- ish-purple beneath. Stem leaves 9 — 12" long, very narrow, the lowest some- times with a few teeth. Flowers somewhat regular, on pedicels ^' long, with linear bracts at the base. Corolla pale purple. Stamens 4, the upper pair much the shortest, all antheriferous. July, Aug. 20. MELISSA. Benth. Gr. name of the bee. from ftc\, honey, which is sought in these flowers by bees with a\idity. Calyx 1 3-ribbed, flatfish above, the upper lip 3-toothed, lower bifid ; upper lip of the corolla erect, flattish, lower lip spreading, 3-lobed, the middle lobe mostly broadest ; stamens ascending. 1. M. OFFICINALIS. Balm. Pubescent ; st. erect, branching ; Jls. in dimidiate verticils, subsessile ; Ivs.^ ovate, acute, coarsely crenate-serrate, rugose ; b?-acts few, ovate-lanceolate, pe-' tiolate. — % N. Eng. ! to la. ! found in the deepest forests ! A well known gar- den plant. Stem 1 — 2f high. Flowers white or yellowish. The plant is a stomachic and diuretic, generally administered in the form of tea. For medi- cinal use it should be cut before flowering, which occurs in June ajid after. ^^1 2. M. Clinopodiu.m. Benth. (Clinopodium vulgarc. Linn.) Wild Basil. Villose; lvs. ovate, subserrate; verticils many-flowered, hairy; brads nu- merous, subulate. — 1\. Low woods. Northern and Western States. A common plant, 1 — 2f high. Stem square, simple or sparingly branched, and, as well Scutellaria. XCIII. LABIATiE. ^Si as the whole plant, clothed with a whitish wool. Leaves petiolate, taper- ing to an obtuse point, pale, with whitish down beneath. Flowers purplish, in very hairy, mostly terminal whorls or heads. Peduncles cymosely branched, short. Involucre of narrow and bristle-like bracts, about equaling the hairy, subulate calyx teeth. July. Tribe 6. SCUTELpern««.— Mucilaginous and emoUient planta, never poisonous. FTG. B2.— 1. Borrago officinalis. 2. A petal with its appendage at base, and anthers produced at apex. 8. Calyx with the 4 achenia and style. 4. Vertical section of one of the achenia, showing the seed, em- bryo and albumen. 5. Plan of the Hower. 6. Lithospermum (Batschia) canescens. 7. Corolla laid open, showing the stamens inserted on the tube. Conspectus of the Genera. irreffukr. Eckhim. Borrago. Sijmphytum. ' '!c?nisn. ("Corolla rotate, blue. I Corolla campanulate. 'excavated 1 Cor. funnel or J tube straight. at base, l salver-form, < tube twice bent. Li/copOTs. S Lvs. rough. Onosmodium. , C dilated, (hvu. smooth. Mertensia. C Cor. throat <; nar- Uobes erect. . Pulnwnaria. : ■ C Ovar j deeply not ex- 1 open and ' row. Hobes spreading./.?' rtoyperwj/m. 7 fAch. free, cavale i Cor. closed 4 yellow, large. . . Pejitalcrphus. 8 J unarmed, L at base, (.at throat, {white, small. . . Myosotis. U . . 1 ^ Corolla salver form. . Echinospermum. 12 ^ 4-parted. I. Achenia echinate, cohering. i| Corolla funnel-form. . Cynoglosswn. 13 Corolla [regular. L Ovary entire (partible in fiuit) bearing the style at the top. . Heliotropivm. 14 Tribe 1. BORRAGEjE. — O vary consisting of two bipartible (rarely 2-celled) carpels. Style arising from the base between the segments of the ovary. Fruit deeply 4-(rarely 2-)parted. Seeds without albumen. 1. ECHIUM. Buek. Crr. c^ii, a viper; from the spotted stem of some species. Calyx 5-partcd, segments subulate, erect ; corolla campanulate, ob- liquely and unequally lobed, with a short tube and naked orifice ; stigma cleft ; achenia tuberculate, imperforate. — Herbs or shrubs. Fls. irregular., in spicate, paiiicled racemes. Cor. cyanic. E. VULGARE. Vifefs Bn^loss. St. herbaceous, rough with bristles and tubercles; cauline Irs. lanceolate, and rough with bristles; spikes lateral, hairy, deflected. — (T) A rough plant, with large, handsome, violet-colored flowers, found in fields and waste grounds, N. States. Stem 18 — 20' high, round, with entire, dull green leaves, which are 2 — 6' long, and i as wide, lower ones petiolate, upper ones amplexicaul. Flow- ers in numerous, crowded, ajiillary, recurved spikes, appearing in June and July. ^ Lycopsis. XCIV. BORRAGINACEiE. 431 2. BORRAGO. Tourn. Calyx 5-parted; corolla rotate, with acute segments; orifice crowned ; filaments converging ; achenia rounded, imperforate at base, inserted lengthwise into an excavated receptacle. — European herbs. 1. B. OFFICINALIS. Common Barrage. — Lvs. ovate, alternate, the lower ones petiolate ; cal. spreading ; ped. terminal, many-flowered. — (i) Native of En<^land and with us a common inhabitant of the garden. The whole plant is rou°-h with short, bri.stly hairs, erect, 2f high, with terminal clusters of handsome, sky- blue flowei-s during summer. It was formerly in high repute as a cordial. The young leaves tbrm a good salad and pot-herb. ^ 2. B. ORiENTALis. (Psilostemon. Z?C.) Oriental Barrage. — Z>s. cordate, peti- olate ; ped. many-flowered ; sta. exserted, villous. — ® An ornamental garden plant, native of Turkey. Stem and leaves hairy. Flowers blue, appearing in the spring months. \ 3. SYMPHYTUM. Gr. (TV^Kpvtxi;, a joining or healing ; from its reputation for healing wounds. Calyx 5-parted ; corolla tubular-campanulate, orifice closed with 5, subulate scales, converging into a cone ; achenia gibbous, imperfo- rate.— % Oriental herbs. Floioers cyanic, S. OFFICINALE. Comfrey. Pilose; St. branching above; Its. extensively decurrent, fne lOwer ana radical petiolate, ovate-lanceolate, upper and floral lanceolate; sep. lanceolate acuminate ; cor. limb with 5 recurved teeth. — A large, coarse-looking but showy exotic, in our gardens and shrubberies, also naturalized in low grounds. Middle States. Whole plant rough with dense hairs. Stem 3 — 4f high, winged by the decurrent leaves, bearing terminal, revolute racemes. Corollas white*^ pink and red, appearing all summer. Root perennial. It abounds with mucilage and has long been regarded as an efhcient vulnerary. :j: ^ 4. ANCHCSA. Gr. nyxov(xa, paint; the root of one species was once tised for staining tlie features. Calyx 5-parted ; corolla infundibuliform, vaulted ; tube straight orifice closed with 5 prominent scales ; achenia perforate at the base and their surfaces generally rugose ; stamens included ; stigma emar- ginate. — Handsome herbs., mostly European. Fls. cyanic. A. OFFICINALIS. , Bugloss, ar O.v-tongue.—Lvs. lanceolate, strigose • spikes one- sided, imbricated; cal. as long as the tube of the corolla.— "ZJ. A rounas 2. Placenta 2, parietal or on stalki JV.— Capsule invested with the permanent calyx. Sds. few, crustaceous. Embryo conical, in abundant, cartilaginous albiunen. Genera 16, species 75, chiefly American. Of no known use. Conspectus of the Genera. iPlacentalarge, fleshy, free. . . Hydrophyllum. I ( appendag'd inside with (, Sta, exserted. I Placentaj on the middle of the valves. Plmcena. 4 1 5 melliferous grooves, i Stamens included. Sepals very large. . . . hilima. a Corolla ( destitute of grooves or scales inside. Stamens as long as the corolla. . . Costnantmia. i 1. HYDROPHYLLUM. Tourn. Gr. vSoiP, water, and (pvXXov, a leaf; the leaves in Spring hold each a quantity of water. Sepals slightly united at base ; corolla campanulate, with 5 longi- tudinal, margined, nectariferous grooves inside; stamens exserted; capsule globose, 2-celled, 2-valved, 4-seeded, 3 of the seeds mostly abortive ; placenta fleshy, free. — North American herbs. Radical lvs. . on long petioles, pinnately or palmately veined, cauline alternate. Cymes scorpoid, bractless. * Calyx appendaged between the sepals at base. Stamens as long as the corolla. 1. H. APPENDicuLATUM. Michx. (Ncmophila paniculata. Spreng.) Lvs. hairy, lower ones pinnatifid, cauline palmately 5-lobed, dentate, lobes diverging, and with the long petioles, ped. an.d cat. hispid ; sep. lance-subulate, the appendages at the base ovate, acute, 4 times shorter ; cor. glabrous except the minute appendages inside; sta. included.— @) Mich, to la., Plummerl and 111. to Va., moist woods and bottoms. Stems 1— lif high, branched. Petioles 1__4' long. The leaves are of a .singular form, roundish in outline, the broad, acute lobes diverging in a stellate manner ; teeth mucronate. Calyx 4—5" long, appendages deflexed, 1' long. Corolla blue, on long peduncles. May. * * Cali/x not appendaged. Filaments much exserted. 2. H. ViRGiNicuM. Virginian Water-leaf. Plant nearly smooth; lvs. pinnatifid and pinnate, the segments oval- lanceolate, inciseiy serrale; fascicles conglomerate; ped. as long as the peti- oles.—IJ- An inhabitant of wet or moist woods. Can. to Car. and Western States. Stem a foot high, bearing large, roundish tufls of flowers peculiarly distinguished by their exserted stamens and style, which are twice the length of the bell-shaped corollas. Leaves few, on long, clasping petioles, with about 5 distinct leaflets, the upper 3 more or less confluent at base, all irregularly toothed. Corollas varying from white to sky-blue. June. 3. H. Canadense. Canadian Water-leaf. Btirr-floioer. Lws. smoothish, palmate, roundish, with 5—7 shallow lobes, unequally CosMANTHus. XCV. HYDROPHYLLACE^. 437 dentate, teeth obtuse-mucronate; Jls. in crowded fascicles ; peds. shorter than the petioles. — % Gluite different in aspect from the last. Found in alpine woods, Can. to Car. W. to Ohio ! Stem 12 — 18' high, with large, roughish leaves, divided into 5 — 7 lobes. Fascicles of flowers dense, axillary and terminal. Corollas white or variously tinged with purple. Stamens and style much exserted, as in the last. Jn., Jl. 4. H. MACROPHYLLUM. Nutt. (H. hispidum. Riddell.') Mlwle plant reversely hispid with white hairs ; Ivs. oblong-oval in outline, pinnatifid, lower segments distinct, upper confluent, all incised intc lounded, mucronate teeth, cauline solitary or tew, much smaller; cymes terminal, long- pedunculate, dense-flowered ; cor. glabrous except the grooves inside. — % Ohio, Locke ! to the Alleghany Mts. Stem a foot high, almost leafless, with a termi- nal, globose cyme of white flowers. Radical leaves 8 — 12' (including the petiole 3 — 4') by 3 — 5', the segments ovate-oblong. Corolla twice longer than the ovate, acute sepals, half as long as the capillary filaments which are 9" in length. Jn. 2. ELLISIA. In honor of Joseph Ellis, F. R. S., an English naturalist, correspondent of Linnaeus. Calyx 5-parted, equaling the tubular-campanulate, caducous corol- la ; tube with 10 minute appendages within, limb 5-lobed ; sta. included ; nectary annular, 5-toothed ; sty. bifid, with linear lobes ; caps, ovoid-globose, 2-valved ; seeds 4. — ® North American herbs, with pinnatifid Ivs. Cor. white. E. Nyctel5;a. Ascending, branching, with few, scattered hairs ; Ivs. pinnatifid, petiolate, upper ones alternate, segments linear-oblong, nearly distinct, sparingly dentate ; ped. 1-flowered, opposite the leaves, about as long as the sepals ; cal. seg. trian- gular-acuminate, broad at base, longer than the tube of the corolla. — 0 111. Mead', to Va., woods and river banks. Stem 4 — 10' long. Leaves 1 — 2' long I as wide. Calyx at length remarkably large for the size of the plant, nearly an inch in diam. Corolla lobes obtuse, emarginate, with purple spots at base inside. 3. COSMANTHUS. Nolle. G-r. Koafios, elegance, av%s, a flower. Calyx 5-parted ; cor. broadly campanulate, caducous, 5-cleft, tube without appendages ; sta. 5, about equaling the corolla ; nectary minute ; ova. hairy except at base, 1 -celled ; sty. bifid ; caps. 2-valved, valves septiferous in the middle ; seeds 4 — 10, rugulose. — ® JV. Ame- rican herbs., ivith alternate Ivs. Rac. long., bractless. Fls. small, white or pale blue. 1. C. PARVtFLORUs. Alph. DC. (Phacelia. Ph. Eutoca. Dr.) Diffuse, pubescent ; Ivs. .subsessile, pinnatifid or trifid, segments oblong or ovate, sparingly lobed or entire; rac. solitary; pedicels in flower longer than the calyx; sta. subequal to the corolla.; placental — 8-ovuled. — Penn. to Va. Stem 6 — 8' high. Flowers pale blue, 4" diam., the lobes rounded and entire. Capsule ovoid, shorter than the calyx. May. 2. C. PuRsHii. Wood. (C. fimbriatus. Nolle. Phacelia fimbriata. Ph. not M.t. P. Purshii. Buckley.) Miami Mist. — Nearly glabrous; lower Ivs. petiolate, pinnatifid, segments few, entire, ovate, terminal one largest, upper Ivs. sessile, pectinately pinnatifid, with oblong, acute lobes; rac. terminal, sim- ple, 5 — 10-flowered ; pedicels longer than the lance-linear sepals ; lobes of the cor. fimbriate. — Fields and river bottoms, Penn. to Ga., W. to la. ! and Ky. Plant 8 — 12' high, slender and with slender branches. Radical leaves with obtuse lobes, mostly shorter than the petiole. Flowers light blue, 4 — 5" broad, spread- ing. May, Jn. 438 XCVI. POLEMONIACE^. Phlox. 4. PHACELIA. Gr. «;Vi«??i .' N. to Hud.son's Bay. A fine species, with large blue flowers. Stem a loot high. Leaves 1 — 2j' by 1 — 3'', tapering to an acute point. Pedun- cles 4 — 7' long, each with a single large, erect, showy flower. Cor. 15 — 20" long, obconic or bell-shaped, blue. 6. CENTAURELLA. Name a Latin diminutive of Centaurea. Flowers tetramerous ; sepals appressed ; corolla subcampanulate ; petals slightly united, nearly erect, stigma thick, glaudulous, some- what bifid ; capsule 1 -celled, 2-valved, invested by the permanent calyx and corolla ; seeds many. — (DiV. American., slouler, erect herbs with scale-like leaves and small while flowers. 1. C. AUTUMNALis. Pursh. (Bartonia tcncUa. Miihl. C. paniculata. Mr.) Screw-slcm. — SL smooth, branching above, branches subdividided; Ivs. subulate, minute ; p«?i./cte erect, many-flowered; cal. equaling the corolla; sly. much shorter than the ovary. — A slender and nearly naked plant, 5--B' high, of a yellowish-green color. Native in wet grounds, Mass. to Ga. Stem square, often tv/isted, with very minute, bract-like leaves, which are mostly opposite. Peduncles opposite or terminal, simple or branched. Pedicels bracteate at base, i' in length. Calyx segments linear-lanceolate, acute, shorter than the oval segments of the corolla. Cor. white, small, bearing the stamens at its clefts. Aug. 15. (tstivalis. (C. aestivalis. P/;.) C^r. segments oblong, obtusish, twice longer than the calyx ; ova. attenuated at apex. — In Penn. Pursh. 2. C. MosERi. Stendel. Moser's Centaurella or Screro-stcm. Cyme racemiform; branches alternate, spreading, racemiform ; cm-, seg- ments ovate, acute, twice longer than the calyx segments ; ovary oblong, obtuse ; sty. 0; Irs. mostly alternate. — In Penn., Moser, in DC. Prod. 9; 121. 7. HA LENT A. Borkh. Flowers tetramerous ; corolla short campanulate, petals spurred at base, with glands at the base of the spur within ; stigmas 2, termi- nating the acuminate ovary ; capsule 1 -celled ; seeds indefinite, fixed to the sutures of the valves. — Erect., branching. H. DEFLEXA. Griseb. (Swertia corniculata. Mx. S. deflexa. Sm.') FeU wort. — St. erect, leafy; Ivs. 3 — 5-veined, radical ones oblong-spatulate, tapering into a petiole, cauline ones oblong-lanceolate, acute, sessile ; spurs cylindric, obtuse, deflexed, half as long as the corolla. — (g) Swamps, Can., Ban- gor, Maine, Miss Toicle! N. Y., rare. Stem about 18' high, obtusely 4-angled, smooth, with few branches above. Leaves opposite, lA — 2' long, ^ as wide, smooth. Flowers greenish-yellow, in terminal fascicles. Sepals linear-lanceo- late, half as long as the petals. Corolla persistent, with 4, spreading horns or spurs descending betwen the sepals. Seeds numerous, obtuse, yellow. Aug. 8. SWERTIA. Calyx 5 — 4-parted ; cor. marescent, rotate, 5 — 4-parted, without crown or folds, each segment with a glandular pit fringed at the mar- gin; sta. 5 — 4, inserted in the throat; anth. nodding; ova. 1-cellod; sty. 0 ; caps. 1-celled, many-seeded. — % S. PUSILT.A. Ph. St. simple, l-flowered; Ivs. oblong; cal. segments obtuse, half as long as the large corolla; cor. rotate, .segments oblong-acuminate. — White Hills, N."H., Pursh. Stem an inch or two high, Avith one or two paiis of small leaves and a Mentanthes. C. GENTIANACE^. 45$ single large, terminal, blue flower. Jn. — I understand that this interesting plant has been rediscovered on the White Mts. by Mr. Abel Starrs. 9. FRASERA. Walter. In honor of John Fraser, an American cultivator of exotics. Flowers mostly tetramerous; petals united at base, oval, spread- ing, deciduous, each with 1 or 2 bearded, orbicular glands in the mid- dle ; stj'le 1 ; stigmas 2, distinct ; capsule compressed, 1 -celled ; seeds few, imbricate, large, elliptic, margined. — % Showy and tall, with oppo- site or verticillate leaves. F. CAROLINE^fSIs. Walt. (F. Walteri. Mr. and Isi ccZi.'.) Columio. S'. tall, erect, glabrous, branched above ; lis. verticillate, oblong-lanceo- late, acuti.'-h, sessile, feather-veined, entire or wav}- ; panicle compound, pyra- midal, leafy, verlicillate ; cal. segments acute, shorter than the oblong, obtusish petals; gland solitarv, oval-orbicular. — A tall and showy plant, in moist woods, Western N. Y. to Car. W. to Ohio ! la. ! Ky., 111. Stem dark purple, 4—7—91! high, perfectly straight, I -2' thick at base. Leaves smooth, subcarnose, 3 — 12' by 1 — 3', in whorls of 4 — 6, rarely opposite. Branches of the panicle also whorled, spreading-erect. Flowers tetramerous, li' diam. Petals greenish with blue dots and a large purple gland near the base. June, July. — Highly valued as a tonic. Thibe 2. MEXYAXTHE.E.—jEstivation of the corolla induplicate. Aquatic or marsh herbs. Sheaths of the leaves alternate. 10. LIMN AN THE MUM. Gmel. Gr. Xijiun, a lalie, ai/^of, a flower; from its aquatic habitat. Calyx 5-parted ; corolla subcampanulatc, with a short tube and spreading, 5-lobed limb, deciduous, segments obtuse ; stamens 5, alter- nating with 5 glands ; capsule 1-celled, without valves ; placentas fleshy, many-seeded. — % submersed, gemrally in stagnant water. Lvs. Jloating, on long petioles. L. LAcuxosA. Gmel. (Villarsia. Ph. V. trachysperma. Mr.) Lalce-fiower. Flosli.ag; lis. reniform, subpeltate, scabrous above, spongy and laconose beneath; fis. umbellate, from the summit of the stem (petiole"?); cur. smooth; glands from the base of the petals, stipitate ; cal. shorter than the capsule; seeds muricate. — A curious aquatic, in ponds and lakes, N. Y. ! to Car. The stems are 1, 2 or 3f long, according to the depth of the water, bearing at the top three kinds of organs ; the summit is prolonged into a petiole bearing a leaf about an inch in diameter, resembling that of Nymphsea; on the upper side is an umbel of small white flowers, blossoming successively at the surface of the water, and beneath, a cluster of short, simple, tuberous radicles, each of which is capable of producing a new plant. July. 11. MENYANTHES. Tourn. Gr. jinvVt a month ; av^oi ; in allusion to its supposed properties as an emenagogue. Calyx 5-parted ; corolla funnel-form, limb spreading. 5-lobed, vil- lous within ; stamens 5 ; style 1; stigma bifid ; capsule 1-celled. M. TRIFOLIATA. Buck BeUH. Lis. trifoliate. — Grows in swamps, margins of ponds, &c., N. Am. N. of latitude 38°. This fine plant arises from, large, black roots descending deep into the boggy earth. Stem 8 — 12' high, round. Leaves on long, round foot- stalks stipuled at base. Leaflets obovate. Peduncle long, naked, terminal, bearing a pyramidal raceme of flesh-colored flowers. Pedicels thick, bracteate at base. Sepals obtuse, about a third as long as the corolla. Petals acute, about as long as the stamens, remarkably and beautifully distinguished by the .9oit, fringe-like hairs at the base and in the throat of the tube. Bitter herbs, actively medicinal, sometimes substituted for hops. May. 39 456 CI. APOCYNACE^. Apqctncw. Order CI. APOCYNACE^.— Dogbanes. Trees, shrubs and herbs with a milky juice. Lvs. opposite, entire, without stipules. CaZ.— Sepals 5, united at base, persistent. Car. 6 lobed, regular, twisted in testivation, deciduous. Sta. 6, arising from the corolla and alternate with its segments. Fit. distinct. Anthers 2-celled, opening lengthwise, sometimes slightly connected. Pollen granular, globose or Slobed, immediately ap- plied to the stiema. Ova. 2, distinct or rarely united. Styles distinct or united. Stigmas united into 1 which is com- mon to both styles. Fr.— Follicles 2, rarely 1 of them abortive. Sds. numerous, pendulous, with or without a coma, albuminous. Embryo tbliaceous. Genera 100, species 566, chiefly natives of the torrid zone. Properties. — These plants possess active and often suspicious qualities residing in the while juice with w hich the order is pcri'aded, and in the seeds which are often deadly poisons. The alkaloid strychnine or strichma, one of the most violent of poisons, i.s the active principle of the feeds of the Strychnos Nux- vomica of India. It is sometimes administered as a medicine, but with doubtful success. S. Ticute of Java is one kind of Upas. Cerbera Tanghin, a tree of Madagascar, is powerfully poisonous, a single seed being sufficient to destroy twenty persons. The Apo- cynea; are emetic, and becoming highly valued in hydrocephalus, &c. The juice contains caoutcliouc in small quantities, but in Sumatra this is obtained largely from the juice of Urceola elastica. FIG. 54.— 1. Apocynum androsa'mifolium. 2. A flower, somewhat enlarged. 3. 7 he flower cut open, showing the stamens with distinct filaments and united anthers. 4. The ovaries and stigma. 5. Plan of the flower. 6 Matured follicles. 7. A seed with the long, silky coma. Conspectiis of the Genera. k with white or flesh-colored flowers Apoajnum. 1 Herbs > with blue flowers Amsonia. 2 S with opposite leaves and bluish-purple flowers Vinca. 3 Shrubs { with ternately ver cillate leaves and rose-colored flowers Nerium. i 1. APOCYNUM. Gt. avo, away, kviov, dog; Pliny says this plant is fatal to dogs. Calyx very small ; corolla campanulate, lobes short ; stamens included ; filaments short, arising from the base of the corolla, and alternate with 5 glandular teeth ; anthers sagittate, connivent, coher- ing to the stigma by the middle ; ova. 2 ; stigmas connate ; follicles long, sublinear, distinct. — Herbs, suffrutescent, erect^ tcilh opposite, entire, mucronate Ivs. Cymes terminal and axillary. Pedicels not longer than the pale fiotoers. 1. A. androsjEmipolium. Dog's-bajie. Smooth ; Irs. ovate ; cymes lateral and terminal ; limb of cor. spreading, the tube longer than the calyx. — A snaooth, elegant plant, 31 high, in hedges and borders of fields. Stem reddened by the sun, erect, branching above. Leaves dark green above, paler beneath, opposite, rounded at base and acute at apex, 2^3' long and f as wide, on petioles \' long. Cymes paniculate, at the top of the branches and in the axils of the upper leaves. Pedicels \' long. Calyx much shorter than the corolla. Corolla as long as the pedicels, bell- shaped, white, striped with red, with 5, acute, spreading segments. Medicinal. U. S. and Brit. Am. June, Jul}^ /?. incanuvi. Lvs. hoary pubescent beneath. 2. A. CANNABiNUM. Indian Hemp. Lvs. oblong, obtuse at each end, mucronate ; ci/7ncs paniculate, many- flowered, terminal and lateral ; col. seg. lanceolate, equaling the tube of the corolla; cor, seg. erect. — A species with smaller leaves and erect flowers, found Nerium. CI. APOCYNACE^. , 457 in low shades and hedges, Can. to Ga. and Ark. Stem 2 — 4f high, generally dividing above into long, slender branches. Leaves IJ — 2§' by 8 — 11", oppo- site, on petioles 2" long, and, when young, downy beneath. Cymes terminal, with linear bracts. Flowers about half as long as those of the last species. Sepals lanceolate, acute. Corolla white, with straight, obtuse segments. The fibres of the bark are strong and pliable, said to be used by the Indians in various ways as hemp. July, Aug. p. 'piibcsccas. Lis. beneath and cymes pubescent. 3. A. HYPERiciFOLiUM. St. John' s-icort . Dogh-hane. Smooth ; Ivs. oblong, on very short petioles, obtuse or subcordate at base, mucronate; cymes terminal, shorter than the leaves; col. nearly as long as the tube of the corolla. — Gravely banks of streams. Stem erect, 2f high, with opposite branches. Leaves 2 — 4' long, \ as wide, lower ones often sessile and cordate, smooth both sides but paler beneath. Flowers very small, in dense cymes at the ends of the stems and branches. Sepals lance-linear, about as long as the tube of the greenish-white, erect corolla. Aug. 2. AMSONIA. Walt. Calyx 5-cleft, segments acuminate ; cor. 5-cleft, tube narrowly funnel-form, bearded inside, hispid at throat ; segments linear, con* volute in aestivation ; sta. 5 ; sty. 1 ; ova. 2, connate at base ; folli- cles 2. erect, slender, fusiform : seeds in one row, cylindric, truncate at each end. — Lvs. aUtrnate^ entire.^ subsessile. Cymes terminal^ corym- bose. Fls. blue. A. TABERNr5;M0NTANA. Walt. (A. latifolia. Mickx.) Erect ; lvs. ovate-lanceolate, acuminate, acute at base, briefly petiolate, margin slightly revolute ; sep. glabrous, lanceolate, acuminate ; cor. pilose out- side near the top of the tube. — A plant ot singular appearance, in prairies and damp grounds. Western ! and Southern States ! Stem terete, smoothis h, 2f high, branched above. Leaves numerous, 3 — 4' by 1 — IJ', conspicuously veined beneath. Flowers pale blue, in several terminal, cymose clusters. Corolla 8" diam., very hairy at top of tube. Follicles in pairs, 2 — 3' long, about 6-seeded. May, June. 3. VINCA. Lat. vinculum, a band ; from the long twining branches. Corolla hypocrateriform, contorted, border 5-cleft, with the lobes oblique, orifice 5-angled ; 2 glands at the base of the ovary ; capsule follicular, erect, fusiform ; seed oblong. — Trailing shrubs. Lvs. evergreen. 1. V. MINOR. Lesser Periioinkle. — Sts. procumbent; lvs. elliptic-lanceolate, smooth at the margins ; fls. pedunculate ; seps. lanceolate. — Native in Europe. A handsome evergreen, flowering in May. Stems several feet in length, round, smooth and leafy. Leaves opposite, smooth and shining, about an inch long. Flowers solitary, axillary, alternate, violet, inodorous. 2. V. MAJOR. Greater Periwinkle. — Sts. nearly erect ; lvs. ovate, ciliate ; Jls. pedunculate; sep. setaceous, elongated. — Native in Europe. Shrub with nume- rous, slender, straggling branches, very leafy, forming light masses of ever- green foliage flourishing best beneath the shade of other plants. Leaves 1—2' in length, rounded or somewhat cordate at base. Flowers blue, appearing in May and Jime. 4. NERIUM. Calyx with 5 teeth at the base outside of the corolla ; corolla hy- pocrateriform, segments contorted, orifice with a corona consisting of 5, laciniate leaflets ; filaments inserted into the middle of the tube ; anthers sagittate, adhering to ihe stigma by the middle. — Oriental shrubs. Lvs. evergreen. 45S OIL ASCLEPIADACE^. ASCLEFIAB. N. Oleander. Rose Day-tree. Olr.ojider. — Lrs. linear-lanceolate; xe/?. squar- rose • corona flat, its segments 3-toothed. Native in S. Europe and the Levant. Stem branched. Leaves 3 together, on short stalks, smooth, very entire, coria- ceous, with prominent, transverse veins beneath. Flowers terminal, corym- bose, large and beauliiul, rose-colored. One variety has white flowers, another variegated, and a third, double. This splendid shrub is common in Palestine, (i?ei;. S. HeOard !) giowins; by rivulets, &c. It is commonly supposed by travel- ers to be the plant to whicn the Psalmitts alludes, Ps. i. 3, and xxxvii. 35. Or.DER CII. ASCLEPIADACE^.— AscLEPiAEs. Herbs or shrubs, with a milky juice Fis. Bojuewliat luubeled, t^scicled or racemose. Lvs. almost constantly opposite, entire, exstipulate. Sep. 5, hhglitly united, persistent. Cor. petals 5, united at base, regular, deciduous, twisted imbiic^ite in iBstivation. Sta. 5, inserted into the base of the corolla and alter- nate witli its segments. jf'iZ. connate, .l;;?/!. 'i-celied, cells sometimes nearly divided by jiurlial septa. Pol. when the anther bursts cohering in masses whicli are as many as the cells, or conlljenlinto pairs and adhering to the 5 processes ol' the stigma either by 2s, by -Is or singly. Ova. 2, sti/les 2, approximate, often very sliort. Sti^- mas united into 1, which is common to both styles, and with 5 glandular angles. Fr. — Follicles 2, one of them sometimes abortive. Stls. numerous, pendidous, almost always comose at the hilum. Albumen thin. Embnjo straight. Cotyledons foliaceous. Rodiclt superior. Genera HI, species 910, chicflj; natives of tropical regions, and especially abundant in .S. Africa, S. India and New Holland, but are not uncommon in tempe- rate regions. Prnpert/Vw.— Simil.ir to those of the Apocynacese, but far le=s active. The juice is acrid and stimulat- ing, and generally to be, at least, suspected A few of the species are medicinal, but none of much con- sequence. FIG. 55—9. Asclepias oomufi. 9. A flower, tho petals and sepals retlexed, and the corona erect. 10. One of the segments of the co'ona with the horn bent ii.w.inlly. 11. A pair of (lollen masses snsiiended iVom the glands at an angle of the aniheriiliura. 12. The two ovaries. 13. A mature tblhcle. 14. A seed with it-- 'ong silky coma. Conspectus of the Genera. \ each with a horn. .... Aidepias.- ' ("erect Segments of the coronas, distinct, ? witliont horns. Fls. greenish. . . Acerates. 2 I I Corona leaflets 5, distinct, each 2 lobed. Fls. white. . Enn enia. 3 1 < Corona annular, undnliife. oawned. Fls, puri)le. . Cionolobits. 4 Herbs (.twining and climbing. ( Corona urceolate, 5 cleft, Sawned. Fls. purple. . . Pe.riploca. 3 1. ASCLEPIAS. The Gr. name, from Esculapius, the fabulous god of medicine and physicians. Calyx deeply 5-parted ; cor. deeply 5parted, valvate in aestivation, finally reflexed ; staminal corona 3 leaved, leaflets cucullate, with an averted, horn-like process from the base, curved towards the stigma ; autheridium (connate mass of anthers) 5-angled, truncate, opening by 5 longitudinal fissures ; poUinia (masses of pollen) 5 distinct pairs, fixed by the attenuated apes, pendulous ; follicles 2, ventri- eose ; seeds comose. — % Mostb/ North American., with opposite^ verti- cillate, rarely alternate leaves. Umbels between the petioles. * Leaves opposite. 1. A. coRNtJTi. Dpcai.sne. (A. Syriaca. Lhm. and 1st edit.) Common S'lk- v:eed. — S". simple ; lvs. otlong-lanceolate, pstiolate, graduallv acute, tomentose beneath; iimbels nodding; seg. (f the corona bidenlate; fotlicles muri- cate. — A coarse, very lactescent plant, common by roadsides, and in sandy 12 \ mm \ AscLEPiAS. ClI. ASCLEPIADACEiE. 459 fields. Stem 3 — 4f high, seldom branched. Leaves 5 — 8' by 2 — 3', tapering at both ends. Umbels several, axillary, subterminal, dense, globose, each of 20 or more sweet-scented flowers. Calyx segments lanceolate. Corolla pale pur- ple, reflexed, leaving the corona, which is of nearly the same hue, quite con- spicuous. But few of the flowers prove fertile, producing oblong, pointed, rough pods or follicles, which contain a mass of long, silky fibres with seeds attached. July. 2. A. PHYTOLACcoiDES. Ph. Poke-leaved Silkweed. )S<. simple, erect, puberulent; Ivs. broadly ovate, attenuated at base and apex, acute, smoothish both sides, glaucous beneath ; fed. terminal, subequal- ing the leaves, whitish-puberulent, many-flowered ; pedicels slender, loose ; antheridium stipitate ; seg. of the corona, truncate, bidentate ; horns exserled. — A tall and elegant species, found in low, shady grounds, Can. to Ga. and Ark. Stem 4 — 5f high, smooth and slender. Leaves acuminate at each end, 6 — 9' long and nearly half as wide. Umbels near the top on lateral peduncles, 4 — 6' long and consisting each of 10 — 20 large flowers, on pedicels about 2' in length. Petals green. Corona flesh-colored, each segment truncate, with its iimer mar- gin 2-toothed, and with a long, slender, incurved horn. June. 3. A. OBTUsiFOLiA. Michx. (A. cordata. Walt.) Blunt-leaved Silkioeed. St. simple, erect; Ics. oblong-ovate or oval, obtuse, mucronate, sessile, cordate and subamplexicaul, undulate, very smooth both sides; umbels termi- nal, many-flowered, glabrous, long-pedunculate ; corona horns arcuate, falcate, inflexed. — In shady grounds, prairies. Mid. ! W. ! and S. States. Stem 2 — 3f high, bearing a single (rarely 2) terminal umbel of 30 — 40 large, reddish-green flowers. Leaves much waved on the margin, 4 — 5' long, J as wide, with a broadj rounded, mucronate apex. Corolla light purple. Corona nearly white, its segments large, slightly 2-toothed. July. 4. A. FURPURAscENs. Purple Silkweed. St. simple, erect, puberulent; Ivs. elliptical, ovate-elliptical or ovate, mu- cronate, narrowed at base into a short petiole, smooth above, tomentose-pubes- cent and paler beneath ; corona segments oblong or lance-ovate, obtuse ; hm-ns falcate, acute, resupinate. — In hedges and thickets, N. H. ! Mass. ! to la. ! Stem 3f or more high, simple or slightly branched at top. Leaves paler and downy beneath, the midvein purple, smooth above. Flowers in terminal, erect um- bels. Calyx small, green. Corolla dark purple, with reflexed segments. Corona purple, twice as long as the antheridium, its horns abruptly bent in- wards to a horizontal position and lying close upon it. July. 5. A. iNCARNATA. (A. amoena. Michx.) Rose-colcrred Silkweed. St. erect, branching above ; Ivs. lanceolate, on short petioles, slightly to- mentose ; uniiels numerous, erect, mostly terminal, often in opposite pairs; seg. of the corona entire, horns exsert. — A handsome species, found in wet places, Can. and U. S. Stem 3 — 4f high, with 2 hairy lines. Leaves 4 — 7' by * — IJ', rather abrupt at base, tapering to a very acute point, on petioles J' long. Um- Dels close, 2 — 6 together at the top of the stem or branches, each an inch or more in diameter, on a peduncle 2' long, and consisting of 10 — 20 small flow- ers. Corolla deep purple, corona paler. Horns subulate, curving inwards over the summit of the antheridium. July. /3. pulchra. St. and Ivs. densely tomentose, the latter elliptical-lanceolate, 3 — 4 times as long as wide, sessile or on very short, hairy stalks.— .Stem 4— 5f high. A remarkable variety. 6. A. auADRiFOLiA. Pursh. St. erect, simple, smooth ; Ivs. smooth, thin, petiolate, ovate, acuminate, mostly in 4s ; umbels few, lax, on long, terminal or axillary peduncles ; corona long, segments 2-toothed, horns short. — An elegant species, in dry woods. Can. and U. S. Stem about 2f high, slender, often with 1 — 2 hairy lines. Leaves opposite, the middle or upper pairs near together so as to appear in 4s, 2—3' long, J as wide, acute or acuminate, on petioles 2 — 4' long. Flowers small, white, on filiform stalks with a pubescent line. Corona twice as long as an- theridium. July. 39* 460 CII. ASCLEPIADACEiE. Acerates. B lanceolata. Decaisne. Lvs. lanceolate, acuminate, acute at base and nar- rowed into the petiole .—Ohio, la., Dr. Pluvtmer ! 7. A. PARViFLORA. Ph. (A. debilis. Mx.) Small-flou^ered Asclepias. Suffrutescent and branched at base , sis. ascending, terete, smooth ; lvs. lanceolate, attenuate at base and apex, petiolate, smooth both sides, thin ; ped. shorter than the leaves, umbellate, many-flowered; iimhels small, pubescent; corolla 3 or 4 times shorter than the pedicels ; kor7is filiform, acute. — A very- delicate species, with small, white flowers. Woods, along rivers, N. Y. to Ga., W. to la. ! Stems olten clustered, IJ— 3f high, very lealy. Leaves 4—6' (in- cluding the 1' petiole) by 1— U'. Umbels several, 1' diam., 15— 20-flowerea. July, Aug. 8. A. VARiEGATA. (A. hybrida. Michx.) St. simple, erect, pubescent ; lvs. ovate or obovate, mucronate, glabrous, glaucous beneath ; ped. lateral or terminal, one-third as long as the leaves, um- bellate many-flowered; cor. segments ovale ; corwia segments rounded at apex; horns broad-falcate, with the apex horizontal or suberect ; follicles oblong, with a long and slender point, minutely puberulent. — Woods, N. Y. to Carolina. Stem 3 4f high. Leaves with a slight acumination, at length slightly undulate. Umbels about 2, 20— 30-flowered. Corolla white, slightly tinged with purple. 9. A. PAUPERcuLA. Michx. (A. laurilblia. Ph. not Mx. A. lanceolata. Walt.) — St. virgate, erect, glabrous ; lvs. linear and linear-oblong, mar- gin narrowly revolute, both sides glabrous, tapering into a short petiole ; ped. 1 or 2 at top of the stem, umbel puberulent, lew-flowered; corona segments ovate, dilated above ; horns short, included.— N. J. to La. in wet woods. Stem 3 — If high, ver}- smooth. Leaves green on both sides, rough on the edges, mostly very'narfow. Flowers greenish-red, petals linear-oblohg, half as long as the pedicel. 10. A. RUBRA. (A. laurifolia. Mx. A. acuminata. Ph. A. periplocasfolia. Nult.) St. simple, erect ; lvs. ovate-acuminate, very acute, subcordate or rounded at base, subsessile, glabrous ; ■umbels on long, mostly terminal peduncles ; corona segmerits acute, rather longer than the suberect horns. — A small and elegant species, in Penn., N. J. to Car., not common. Stem 1 — 2f high, with a pubes- cent line on one side. Leaves 3 — 5' bv 1 — 2', in remote pairs, the upper some- times alternate. Peduncles 1 — 5, 2 — 3' long, pedicels about 1'. Flowers greeu- ish-purple. Follicles ventricose-acuminate, smoothish. July, Aug. * Leaves alternate. 11. A. TXTBERosA. Tuber-root Asclepias. Butterfly Weed. S'. ascending, hairy, with spreading branches at top; lvs. alternate, ob- long-lanceolate, sessile; vmbels numerous, forming large, terminal corymbs. — Found in sandy fields. Can. and U. S., rare in N. Eng. Root large, fleshy, sending up numerous stems. These are about 2f high, leafy, erect or ascend- ing, hairy and colored. Leaves hairy, scattered, only the upper ones quite ses- sile, lanceolate, acute or acuminate, obtuse at base, 2 — 4' by i — 1'. The co- rymb consists of numerous, bright orange-colored flowers. Petals 5, oblong, reflexed, concealing the small calyx. Pods or follicles lanceolate, pointed, and like the other species, containing long, silky down, uniting the flat, ovate seeds to the placentae. Aug. — Medicinal. * * Leaves verticillate. 12. A. VERTiciT.LATA. Wkcrl-leavcd Asclepias. S'. erect, simple, marked with pubescent lines; lvs. generally verticillate, very narrowly linear, revolute ; segs. of the corona short, 2-toothed, horn falcate, exsert. — A slender and delicate species, 2f high, in swamps or moist meadows, Can. and U. S. Leaves in whorls of 4 — (>, 3 — 5' long and a line in width. Flowers small, greenish-white, in small, lateral umbels. Peduncles half as long as the leaves. July. 2. ACERATES. Ell. Gr. a, privative, Kcpart;, horns; the corona being destitute of these processes. Calyx 5-parted : cor. deeply 5-parted, limb spreading or reflexed ; Periploca. CII. ASCLEPIADACEiE. 461 staminal corona 5-leaved, leaflets without horns, concave, appressed to the angles of the antheridium ; poUinia 5 pairs, pendulous ; follicles smooth or muricate. — % Herbs differing fi'oni Asclepias only in the ab- sence of the horn-like processes of the corona. Lvs. mostly opposite. 1. A. viRiDiFLORA. Ell. (and A. ianceolata. Ives, and Is;', edit. Asclepias. Purs/i.) — Suffruticosp. at bas;e, pubescent above; lvs. elliptical, varying to oblong and lanceolate, briefly petiolate, scabrous above and on the margin, to- mentose-pubescent beneath ; umbels sessile, globose, many-flowered ; pedicels pu- bescent ; pet. ovate, reflexed ; segments of the corona erect and adnate to the antheridium. — Can., Conn, to Ark., in dry, stony soils. Stem 2 — 3f high, as- cending and often branched at base, clothed with dense, close hairs. Leaves 3 — 6 or 8' long, ^ — } as wide, obtuse or acute, or even acuminate, scarce- ly petiolate. Flowers green, small, inelegant, in 2 or 3 small, subglobose um- bels. July. — The plant varies greatly in respect to its leaves. 2. A. LONGiFOLiA. Ell. Ljns-leaved Acerates. Scabrou.-puberulent ; st. ascending, simple ; lvs. alternate, numerous, linear and lance-linear, subsessile, acute ; umbels half as long as the leaves, numerous, many-flowered, pubescent, axillary, pedunculate ; corona scales shorter than the antheridium. — Mich, to la. ! and Miss., in meadows and prai- ries. Stem stout, 2 — 3f high. Leaves 3 — 5' (including the 1 — 3" petiole) by 3 — 5". Flowers very numerous in each umbel, green, peduncle and pedicels about 1' long. July, Aug. 3. ENSLENIA. Nutt. In memory of Mr. Aloysius Enslen, who collected many plants in the Southern States. Calyx small, 5-parted ; cor. 5-parted. segments erect ; corona 5- leaved. leaflets membranaceous, free, truncate, each terminated by 2 filiform, flexuous lobes ; pollinia oblong, obtuse at base and apex, pendulous ; stig. 5-angled, conical ; follicles cylindraceous, smooth. — % A twining herb., xoith opposite., cordate-ovate., acuminate lvs. Fed. ra- cemose-umbellate., many-flowered. Fls. tvhite. E. ALBIDA. Nutt. Ohio, Clarke ! to Va. and Ark. Stems slender, with an alternate, pubes- cent line. Leaves thin, glabrous, with rounded, auriculate lobes at base, 2 — 3' diam., margin entire. Peduncles axillary, as long as the petioles. Flowers ochroleucous, sweet-scented. July, Aug. 4. GO NOLO BUS. Michx. Calyx much smaller than the corolla ; cor. rotate, deeply 5-parted ; corona small, shield form, undulate, 5-lobed ; antheridium depressed, discoid, pentangular, terminated by a membrane ; pollinia transverse, 5-pairs: follicles 2 ; seeds coraose. — % St. climbing. Lvs. opposite, cor- date. Fed. inter petiolar, racemed or corymbose. G. MACROPHYLLUs. (and G. hirsutus. M'chx. Cynanchium obliquum. Jicq. C. macrophyllus. Ma.hl.) — S'. tomentose-pubescent and with soft, scattered hairs ; lvs. broad, ovate or oval, cordate, acuminate, tomentose-pu- bescent; ?;e«?. shorter than the petioles, 2 — 5-flowered, with linear bracts at sum- mit ; pet. linear or linear-oblong, obtuse, smooth above, minutely puberulent beneaih. — Thickets, along streams, Penn. to Car., W. to Ohio ! Ky. Vine trailing or climbing, 3 — 5f. Leaves 3 — 5' by 2 — 4', the lobes at base rounded, and often nearly or quite closed, with a short acumination at apex. Flowers dark purple. Petals 5 — 7" by 1". June, July. 5. PERIPLOCA. Gr. ntpt, around, TXci)/f>i, a binding or twining; from the habit of the plant. Calyx minute ; corolla rotate, flat, 5-parted, orifice surrounded by 452 CIV. OLEACE^. Syringa. a 5-cleft, urceolate corona, terminating in 5 filiform awns ; filaments distinct, 'anthers cohering, bearded on the back ; pollinia solitary, 4- lobed ; follicles 2, smooth, divaricate ; seeds comose. — Twining shrubs. Fls. in umbels or cymes. P. GKlECk. » !• V Lvs. ovate, acuminate; corymbs axillary; coi: villous withm— A climb- in'' '^hrub 10—151' long, sparingly naturalized in Western N. Y., also culti- vated in gardens. Leaves opposite, 3—4' long, \ as wide, and on petioles J' lono- Flowers in long, branching, axillary peduncles. Sepals minute, lan- ceolate, acute. Petals very hairy within, linear, obtuse, dark purple. Folli- cles about 2' long. Aug. Order CIII. JASMINACE^.— Jasminworts. Shrubs, often with twining stems. Lvs. opposite or alternate, mostly compound. Fls. opposite, in corymbs, white or yellow, mostly fragrant. Cai. divided or toothed, persistent. . , . j u • . • *• .„„ Cor. regular, hypocrateriform, limb m 5-8 di^asions, twisted-imbricate m aestiTOtion. Sta. 2, arising from the corolla and included withm its tube. Ova free, 2-celled, each cell with 1 erect ovule. Sfr/. 1. Stig.i-lobed. Fr. either a double berry, or a capsule separable into 2. Sfto. 2. Genera 5, species 100, ornamental shrubs abounding in tropical India. The essential oil which Pervade* the order, Residing chietiy in the flowers, is exquisitely flagrant. On this account, as weU as for their beauty, many of these plants are cultivated. J A S M I N U M. Gr. iac-[in, perfume ; from the fragrance of the flowers. Calyx tubular, 5— 10-cleft; corolla hypocrateriform, tube long, limb flat, 5— 10-cleft; berry double; seeds 2, solitary, ariled.— Shrubs husky or climbing. Lvs. opposite^ compound. Petioles articu- lated, tis. paniculate. 1. J. FRUTiCiNS. Yellow Jasviine. —G\a.hrons, erect; ira^cte angular; lvs. alternate, trifoliate, rarely simple; Ifls. curved; Jls. few, subterminal ; cal. seg- ments subulate; cor. tube twice longer than the calyx, limb of 5, obtuse lobes.— S. Europe. Stem 3f high. Flowers yellow, inodorous, tube about 6" long. Propagated by layers, f 2. J. OFFICINALE. WkUe Jasminc—Smooth, scarcely climbing ; branches suh- angulate; Ifts. 3—7, lanceolate, acuminate; panicle.'^ terminal, few-flowered, corymbose ; car. tube twice longer than the calyx.— Asia. Stem several feet in length. Flowers white. Both species are beautiful and much cultivated. The deliciously fragrant oil of Jasmine of the shops is extracted from this plant, f Order CIV. OLEACEiE.— Olives. Trz-es and s/jrwfts, with opposite, simple, sometimes pinnate leave.s. . F/s. perfect (sometimes riicBcious). Sepals united at base, persistent. [vatipn ; rarely p. Cor.— Petals 4, united below, sometimes distinct but connected in pairs by the filaments, valvate in ffisti- Sta. 2, alternate with the petals. Anth. 2-celled, bursting longitudinally. Oua. free, 2celled. Ot'Mto in pairs, pendulous. &7i//e 1 or o. S^g-ma entire or bifid. Fr. drupaceous, baccate or samarae, usually 1-seeded by abortion. S'd.s.— Albumen dense, fleshy, abundant, twice as long as the straight eTOiryo. Genera 24, species 130, natives of temperate climates. The ash is verj' abundant in N. America. The Phillyreas and the Syringas are all Oriental. Properties— Olive oil is expressed from the pericarp of the olive (Olea Europsea). The bark of this tree, and also of the ash, is bitter, astringent and febrifugal. Manna, a sweet, gentle purgative, is the concrete discharge of several species of the Fraxinus, particularly of the European F. Ornus. The spe- cies of the ash are well known tor their useful timber. Conspectus of the Genera. ( Corolla tube long, including the short stamens. .... Syringa. 1 { S limb of spreading, ovate segments. . . . Lygvstrum. 2 ^colored.? Corolla tube short, Mimb of long, linear -segments Chionanthus. 3 Flowers { green. Fruit a simple samara. Trees with pinnate leaves, .... Fraxinus. 4 1. SYRINGA. Gr. avpiv^, a shepherd's pipe ; from the use once made of its branches. Calyx small, teeth erect ; Gorolla hypocrateriform, tube several Fraxinus. civ. OLEACE^. 463 times longer than the calyx, limb cleft into deep, obtuse, spreading segments ; stamens short, included within the tube. Capsule 2-celled, 2 valved. — Oriental^ fiowerijig shrubs, ivitk simple, ejitire leaves. 1. S. VULGARIS. Common Lilac. — Lis. cordate-ovate, entire, glabrous, green both sides; iiijlr.rescence thyrsoid; limb of cor. subconcave. — Hungaiy. I'liere are many varieties of this beautiful shrub, a. Corolla lilac-purple, in a dense thyrse. "/?. ccerulea. Fls. purplish-blue. y. a'ba. Cor. white, thyise subcom- pound. — One of the most popular shrubs, beautiful in foliage and flowers. •2. S. Persica. Persian Lilac. — Lvs. lanceolate, acute, smooth, both sides green, sometimes pinnatifid; limb of the cor. flattisli. — Persia. A smaller shrub than the first, with smaller thyrses of white or lilac-blue flowers. The leaves vary from entire to pinnatifid, small at flowering time. Apr. May. 2. LIGUSTRUM. Lat. ligo, to bind, from the use made of its s!iont,i. Calyx minutely toothed ; cor. tube short, limb with spreading, ovate lobes ; sta. 2 ; sty. very short ; berry 2-celled, 2 — 4-seeded ; seeds convex on one side, angular on the other. — Shrubs loith simple lvs. Fls. in terminal panicles, tetramerous, L. VULGARE. Privet. Prim. Lvs. lanceolate and obovate, acute or obtuse, on short petioles; panicle dense, terminal. — A smooth shrub, 5 — 6f high, in woods and thickets, N. Y. ! to Va. W. to the Mits. Branches wand-like with opposite, entire, smooth, dark green leaves which are 1 — 2' long, J as wide, varying from obovate to ellipti- cal, with a rounded, obtuse or acute point. Flowers small, numerous, white. Anthers large, exserted. Berries black, in conical bunches, bitter. It is said to have been introduced from England where it is used for hedges. May, June. 3. CHIONANTHUS. Gr. %icbs or nndershrnhs, with alternate (rarely opposite) lea\'es without stipules. F.s. inconspicuous, generally perfect, often dioecious or polygamous. Cal. deeply divided often tubular at base, imbricate in iBstivation. ^ttt. from the base of the cylyx, as many as its lobes or tewer, and opposite to them. Ota. 1, with 1 ovule attached to its ba;se within. Htyies 2—4, rarely 1. Fr. a utiicle. Embryo usually curved around fleshy albumen. Genera 63, species 3S0, often maritime plants, and more generally weeds, abounding in the northern temperate zone. Properties.— Some are useful for food, as the beet, man£-cl-ifiirtze!, orache, spivach. ^c. Others con- tain an essential oil, which renders them tonic, antispasmodic and anthelmintic; us Chenoi odi;ira botrys, C. ambrosioijes, C. antlielminticum ; the latter yields the officinal worm-seed oil. SabsoU, Huh- coriiia and other seaside species yield soda from their ashes in great abiuidance. FIG. 52.— 1. Flower of Chenopodium album. 2. Calyx, &c., removed, showing the ovary and two (hvpogvnous) stamens. 3. Cross sec'ion of the seed, showing the coiled embryo. 4. Brancli of Salicor- nia herbacea. 5. Two joints magnified. 6. Ovary of a flower. 7. Flower of Blitum capilatum, wilh the fleshy calyx. 8. Vertical section of the ovary. 9. Flower of Beta vulgaris. Conspectus of the Genera. ( Fruit partly invested ^ Seed lenticular. . . Clienopodium. 7 < in calyx I Seed renitbrm. . . Beta. 8 (Stamens 5. . ( Fr wholly inve.sted in cal. Lvs. subulate. . Salsota. 2 < \ Styles 1. Leafless plants Salicnrnia. 1 Call perfect. ( Stamens 1—2 ? Styles 2. Leafy plants Blitum. 6 J dicpcious. j Stigmas sessile. Leaves ovate-lanceolate. .... Acnidn. 4 I Stamu-ns 5 J Siig. on capillary styles. Lvs. hastate-lanceolate. . . . Spinacfa. 3 Flowers L polygamous. Stamens 5 Atriplei. 5 1. SALICORNIA. Lat. sal, salt, cornu, horn ; in allusion both to its locality and appearance. Calyx turbinate, fleshy, closed, entire; sta. 1 — 2; style 1, bifid ; utricle invested in the calyx, I -seeded. — Salt marsh herbs, rarely shrubby., destitute of leaves. 1. S. HERBACEA. (S. mucronata 1 J5w.) Hcrbaccpus Samphire or Salticort . St. erect, herbaceous, spreading; joints compre.'^sed ; internodes dilated upwards, truncated; branches numerous, opposite, light green, jointed, succu- lent, smooth, terminating in a spike; spikes lateral and terminal, tapering upwards ; fls. small, sessile, about three on each side of the base of every joint. — A leafless plant with .succulent and jointed branches, about a foot high, growing abundantly on sea shores and salt marshes, N. Eng. ! to Ga. ; also at Salina, N. York. This and other .species are said to make a good pickle for ' the table. When burned, its ashes yield soda. Aug. Atbiplex. CVI. CHENOPODIACEiE. 467 2. S. AMBiGUA. Michx. Dubious or Prostrate Samphire. Perennial, procumbent, branching ; jaints small, crescent-shaped ; spikes opposite and alternate; cal. truncate; anth. pui-plish-yellow ; stig. 2. — A small species, found in the vicinity of New Bedford, Ms. Dewey. 2. salsGla. Latin salsus, salt. Calyx 5-parted. persistent, embracing the fruit with its base, and crowning it with its enlarged limb ; styles 2 ; seed horizontal ; embryo spiral. — Salt-marsh herbs, icith li?iear or subulate leaves. 1. S. Kali. Herbaceous, decumbent; Zrx. subulate, channeled, spinose, smooth; cal. margined, axillary— A rigid, prickly and very branching plant, of the sea- coast, N. Eng. ! to Ga. Stem 1— 2f high, diffuse. Leaves about an inch long, sessile, ending with a spine. Flowers green, succulent, sessile, bracteate. Seed cochleate, enclosed in the calyx. Aug. Used in the preparation of soda. 0. CaroUniana. {Nuit. S. Caroliniana. Walt.); Ivs. dilated; cal. with a broader margin ; st. smooth. 2. S. SODA. Herbaceous, glabrous; branches ascending; Ivs. semiterete, rather acute; cal. in fruit transversely connate, somewhat membranaceous. — In N. Y. Muh- lenberg, who also attributes S. Tragus, another European species, to the shores of N. J. But this is very uncertain. July. ^ 3. SPINA CIA. Lat. spina, a prickle ; on account of the spiny processes of the fruit. Flowers c? 9. — c? Calyx 5-parted ; stamens 5. 9 Calyx 2 — 4-cleft ; styles 4, capillary ; utricle contained within the indurated and some- times muricated calyx. S. OLERACEA. Spinage. — Lvs. hastate-lanceolate, petiolate ; fr. sessile, prickly or unarmed. — (J) Native country unknown, but it has long been a common plant in gardens, and in some esteem as an esculent. Stem 1 — 2f high, with leaves between hastate and sagittate, 2 — 3' long, and nearly half as wide, taper- ing at base into a long petiole. Flowers greenish, the sterile ones in a ter- minal-panicle, the fertile ones in dense, sessile, axillary racemes. June, July. 4. ACNiDA. Mitchell, Gr. a. not, Kviii), the nettle ; a nettle-like plant which doea not sting. Flowers c? 9- — c? Calyx 5-parted ; stamens 5. 9 Calyx 3-parted; stig. 3 — 5, sessile ; utricle 1 -seeded. — Herbaceous weeds, mostly aquatic. 1. A. CannabIna. Water Hemp. Lvs. ovate-lanceolate; caps, smooth, acute-angled. — ® In salt marshes and inland swamps. Can. and U. S. Stem furrowed, smooth, 2 — 4f high. Leaves alternate, petiolate, 2 — 5' long, tapering to a long point. Panicles axillary and terminal, with numerous small, green flowers. Aug. 2. A. RCSCOCARPA. Michx. Lts. oval-lanceolate ; caps, obtusely angled, rugose. — (T) Can. and U. S. A tall, branching, unsightly plant in similar situations with the last. Stem 6 — 8f high, angular. Flowers greenish-white, in terminal and axillary spikes. Jl. 5. ATRIPLEX Fls. monoeciously polygamous. ? Calyx 5-parted ; sta. 5 ; style bipartite ; utricle depressed, invested in the calyx. 9 Calyx 2-leaYed ; sta. 0 ; style and fruit as above. — Mostly ®, rarely shrubby plants. Lvs. alternate. Fls. glomerate, 'paniculate, c? and 9 on the same plant. 1. A. iiORTENsis. Garden Orache. Golden Oroxhe. St. erect, herbaceous; lvs. triangular, toothed, of a uniform color both sides; cal. of the fruit ovate, reticulate, entire. — il) Sparinglv naturalized in 40 468 CVI. CHENOPODIACEiE. Chenopodium. cultivated grounds. Stem 3f or more high, with thick leaves of variable shape, and 2—3' long. Flowers green, in terminal, interrupted racemes or spikes. It is sometimes cultivated as a pot-herb. July. ^ 2. A. PATULA. Sp-eading Orache. Sf. spreading, herbaceous ; Ivs. triangular-hastate, acuminate ; cal. of the fruit submuricate on the disk.—® A very branching plant, 1— 2f long, lound in salt marshes, N. Y. to Ga. Stem and leaves dull green, somewhat glaucous. Lower leaves hastate, with coarse teeth, upper ones lanceolate and nearly entire. Flowers in long, terminal and axillary, interrupted racemes. Sepals of the fertile flowers triangular, studded with tubercles in the midst. Aug. 3. A. ARENARiA. Nutt. Sand Orache. S'. spreading, herbaceous; Ivs. entire, oblong-ovate, subsessile, silvery- white beneath, upper ones acute or acuminate; /s. aggregated, axillary; cal. of the fertile fis. muricate, dentate, retuse. — 0 Grows on sandy shores, N. Y. to Car. Stem about a foot high, reddish, angular, very branching. Lower leaves often wedge-shaped. Flowers moncecious, the sterile ones in short, dense spikes at the ends of the branches, the fertile in axillary clusters. July. 4. A. LACiNiATA. Frosted Sea Orache. S c??i spreading, herbaceous ; Zr.s. triangular-ovate, deeply toothed, hoary pubescent beneath, lower ones opposite ; ^ tetrandrous ; cal. of the fruit, rhom- boid, 3- veined, denticulate.— (I) In salt marshes, N. Y. to Car. Stem a foot long, mostly procumbent, mealy, alternately branched. Leaves stalked, entire at base, covered with small, grayish scales. The perfect flowers in terminal, ses- sile clusters, their ovaries aboiii 5. Pistillate flowers axillary, 2—3 together. Jl. 5. A. Halimus. Common Orache. S'. shrubby; Ivs. often subopposile, oblong-rhomboidal, entire, attenuated into the'margined petiole.— A tall, shrubby species, 6f high, said by Dr. Muh- lenberg to be naturalized on the sea-coasts of N. J. It is ornamental on account of itslsilvery foliage, and sometimes cultivated. § 6. BLITUM. Gr. PXrjTov, insipid; in allusion to the fair but insipid berries. Fls. ?. Calyx 3-cleft, segments ovate, equal ; sta. l,exserted; sty. 2 ; ova. ovoid, acuminate; seed 1, contained in tlie calyx which becomes a berry. — ® Herbaceous weeds. Fls. andfr. in capitate clus- ters terminal and axillary. 1. B. CAPiTATUM. Slrawberry Elite. iw. triangular-hastate, toothed; hds. in a terminal, leafless spike; fr. consisting of the reddened flowers, appearing like strawberries, full of a purple juice, taste insipid. — Va. to Arc. Circle. A weed-like plant, about a foot in height, branching, growing in fields, and sometimes cultivated for borders in the'flower garden. Heads of flowers .sessile, near together, on the branches and summit of the stem. June, f 2. B. viRGATDM. Slender Elite. S':. with spreading branches; Irs. triangular-hastate, sinuate-dentate; glo- 7nerules scattered, lateral.— Fields and waste places. Stem 2f in length, spread- ing or procumbent. Leaves 2—3' by 1—2' coarsely toothed, on petioles half as long. Flowers always in axillary clusters, never terminal. Calyx finally fleshy and red in fruit. Jn. ^ 3. B. MARITIMUM. Lvs. lanceolate, attenuate at each extremity, incisely dentate ; hds. axil- lary, sessile, spiked ; cal membranaceous.— 0 A coarse, unsightly plant, in salt marshes, N. Y. Stem 1— 2f high, very branching. Leaves fleshy, with 3 or more large teeth each side. Flowers very numerous and minute, not be- coming red in fruit. Aug. 7. CHENOPODIUM Gr. ynv; a goose ; ttohs, a foot ; from the resemblance of the leaves. Calyx 5-parted. obtusely 5-angled. free, partially enveloping the Chenopodium. CVI. CHENOPODIACE^. 469 fruit ; stamens 5 ; styles 2 ; utricle membranaceous ; seed lenticular, vertically depressed. — Mostly ® weeds with alternate leaves. Fls. glomerate., paniculate. 1. C. ALBUM (and C. viride. Linn.') White Goose-foot. Hogweed. Lvs. rhomboid-ovate, crowded, entire at base, the upper ones oblong, very entire ; rac. branched, leafy, smooth. — ® A weed, common in cultivated grounds. Can. and N. States. Stem 2 — 3f high, furrowed, smooth, branching, leaves more or less mealy as also the whole plant. Flowers numerous, .small green, in irregular, terminal, erect racemes. July — Sept. 2. C. RUBRUM. Bed Goose-foot. lyvs. rhomboid-triangular, deeply toothed and sinuate ; rac. erect, com- pound, leafy. — (l) A weed in waste grounds, rubbish, &c., N. Eng. and Brit. Am. Stem reddish, IJ — 2f high, with short branches, very compound, and with compact clusters of small, reddish-green flowers. Leaves dark green, the upper ones small, and intermixed with the flowers. July. 3. C. HYBRiDUM. Tall Goose-foot. Lvs. cordate, angular-toothed, acuminate ; rac. branched, subcjTnose, divari- cate, leafless. — A weed in waste places, &c., N. Eng. ! to Ky. ! rather taller than the foregoing. Stem slender, 2— 3f high, bearing a loose, branching cluster of unsightly and ill-scented flowers, remote from the leaves. Leaves bright green, with large, remote teeth and a tapering point. July. ^ 4. C. RHOMBIFOLIUM. Muhl. Lvs. rhombic-triangular, acute, sinuate-dentate, upper ones lanceolate, cuneate at base; rac. axillary, erect, mostly leafless; bracts minute, inflexed. — Penn. and Ohio. Plant yellowish-green, 2— 3f high. Stem branching, angular ■with stripes of a deeper green. Leaves 2 — 3' by 1 — IJ', widest near the base, with a few acute dentures, petioles nearly half as long. Flowering branches shorter than the leaves, axillary, nearly leafless, with several roundish, dense clusters of green flowers. 5. C. AMBROsioiDES. Ambrosia Goose-foot. Lvs. lanceolate, remotely dentate; rac. simple, axillary, leafy. — Fields and roadsides, N. Eng. to 111. Plant rather tragrant. Stem 1— 2f high, much branched, angular, slightly pubescent. Leaves acute at each end (the upper ones nearly linear), about 4 times as long as wide, the petioles 0— i' long. Flowers green, in sessile clusters on short, erect, slender, leafy branches. Sta- mens exsert. Aug. Sept. 6. C. BoTRYs. Oak-of-Jerusalevi. Lvs. oblong, sinuate ; rac. much divided. — Sandy fields, &c., N. Eng. to 111. This plant is sometimes cultivated both on account of its fragrance, and the remarkable appearance of its compound clusters of innumerable flowers. Plant 1 — 3f high, viscid-pubescent. Leaves petiolate, the sinuses deep, giving them some resemblance to oak leaves. The branches put forth numerous leaves and short, axillary clusters on every side, forming long, leafy, cylindric, green, compound racemes, of which the central one is much the tallest. June, t 7. C. ANTHELMrNTicuM. Worm-sced. L/vs. oblong-lanceolate, toothed ; spike simple, slender, interrupted, leafless. — Maine ! to 111. A strong-scented species, said to be a good vermifuge, as both its specific and common name would imply. Stem IJ — 2f high, its branches ending in long spikes of green, inconspicuous flowers. Aug. 8. C. GLAUCUM. Sea-green Goose-foot. Lvs. oblong and ovate-oblong, repand-sinuate on the margin, glaucous be- neath ; spikes simple, leafless, glomerate, axillary and terminal. — N. Y. Muhl. 9. C. MARITIMDM. Lvs. linear, subulate, fleshy, semi-cylindrical ; Jls. in sessile, axillary clus- ters ; sta. shorter than the sepals. — A fleshy plant growing in salt meadows Can. to Flor. Stem IJ — 2f high, branching. Leaves numerous, very acute* J— I' long. Flowers in axillary glomerules, green. Utricle thin and semi- transparent, containing a black and shining seed. Aug. Sept. 470 CVIII. AMARANTHACEiE. Amaranthus. 8. BETA. Celtic belt, red ; the usual color of the beet. Calyx 5-sepaled ; sta. 5 ; styles 2, very short, erect, witli acute stig- mas ; seed reniform, imbedded in the fleshy calyx. — (1) Stems furrowed. Lvs. alternate. Fls. glomerate^ green, in spikes or paniculate racemes. 1. B. VULGARIS. Covmion Bed.— Fls. inden.se, sessile, axillary clusters ; lower lvs. ovate ; rt. fleshy.— This useful culinary is said to grow wild in S. Europe. Besides its use in salads, pickles, soups, &c., the beet yields sugar equal to that of the cane. There are several varieties, of which the purple-leaved is the most esteemed for the kitchen, and the green-leaved for extracting sugar. Aug. 2. B. CicLA. Scarciti/.—Jjvs. with very thick veins; Jls. 3 together; rts. scarcely any. — Native of Portugal. Root leaves stalked, those of the stem ses- sile. Flowers green, numerous, in very long spikes. A culinary plant, with very large leaves, used as a salad, &c. Aug. p. Mati'^d-Wiirtzel. Rt. very large. — Cultivated as food for cattle, for which purpose it'^is highly prized by many farmers. Order CVII. SCLERANTHACE^.— Scleranths. Herls small, inconspicuous, with opposite leaves, no stipules and minute, axillary, sessile flowor«i CdZ.— Tube urceolate, limb 4— 5-tootlied. . . ,, Sta inserted on the calyx tube, and usually twice as many as Us lobea. Ova 1, fiee, 1 seeded. Styles 2 ox \. Fr. a utricle, in :he hardened calyx. Seed pendulous t'om the apex of a funiculus which arises from base ot cell. Embryo curved around farinaceous albumen. Genera 4, species 14, natives of the northern hemisphere. SCLERANTHUS. Cir. Lvs. opposite^ entire. Spikes opposite, sessile. O. Floridana. JNutt. 5^. simple, erect, arachnoid-pubescent ; lis. linear, tapering to the base, obtusish at apex ; Jls. imbricated, in short, dense, cottony spikes. — On sandy river banks. 111. Mead ! Plant 1— 2f high, with a terminal, virgate inflorescence 6 — 10' long. Leaves I — 2' by 3—5". Spikes remote, * — If long. Calyx white-scarious, persistent, contracted above, enclosing the utricle. 4. GOMPHRENA. Bracts 5, colored, the 3 outer ones connivent, carinate ; sepals 5, vil- lous, disk (nectary) cylindric, 5-toothed ; utricle circumscissile, 1- seeded. — Herbs and shrubs with opposite leaves. None of the species native. 1. G. GLOEosA. Globe Amaranth.— St. erect, hairy; Zr.t. oblong, pubescent; hds. globose, solitary, 2-leaved ; keels of the bracts winged. — A tender annual from India, valued for its heads of flowers, which, if gathered before too far ad- vanced, will retain their beauty several years. Height 18'. Branches oppo- site, axillary. Flowers purple. 2. G. PERENNis. Perennial Globe Amaranth. — i>i's. lanceolate ; Arfs. 2-leaved ; fls. distinguished by a peculiar calyx.— TJ. Plant about 2f high, native of S. America. The heads 2-leaved and terminal, resemble heads of clover. The crowded, purple perianths are chiefly conspicuous. Gathered like the former species, its flowers are equally fadeless and durable. July — Oct. 5. CELOSIA. Gr. Kri^eoi, burnt; some of the species appear as if singed. Sepals 3 — 5, colored; stamens united at base by a plicate disk (nectary); style 2 — 3 -cleft ; utricle circumscissile. — A genus of orna- mental foreign herbs. Lvs. mostly alternate. C. cRisTATA. Cock's-comb. — Z-rs. ovate, acuminate ; siip. falcate; common ped. striated ; spi/ce oblong, compressed. — This curious annual is said to have come from Japan, where the flowers or crests are a foot in diameter, and of an in- tense, pm-plish-red. Height 2f June — Sept. Order CIX. NYCTAGINACEiE.— Nyctagos. Heris or shrubs. Lks. opposite, one of each pair smaller than the other. Cal. colored, tubular, the upper part resembling a corolla with a plaited limb, falling off from the lower part which becomes indurated in fruit. Sta. hypogynous, definite. Anth. 2-celled. Ova. free, with a single, erect ovule. StijJe 1. Stigma 1. Fr a thin utricle, enclosed within the enlarged and persistent calyx. Seed with its testa coherent with the utricle. Cotyledam leafy. Genera U, species 100, natives of warm latitudes. Nearly all, except the following beautiful genua, are obscure weeds. Roots purgative. MIRABILIS. Calyx funnel-form, tube contracted, free from the ovary, limb plait- ed, entire, deciduous ; sta. 5 ; stig. globose. 1. M. Jai.apa. Four-o'clock. Marvel-of-Peru. — Dvs. smooth; fls. in clu.sters, stalked. — % This well-known and much admired plant is from the W. Indies. Root large, tuberous, and is one of the substances which furnish the Jalap of the shops. Stem 2f high. Leaves opposite, cordate, acuminate. Flowers large, very fragrant, in axillary and terminal clusters ; border wide-spreading, opening at about 4 o'clock, P. M. Calyx bright purple. By cultivation it Polygonum. CX. POLYGONACEJE. iH sports into many pleasing varieties with 3-6110^7 and white, red and white, red and yellow flowers. June — Sept. 2. M. DicHOTOMA. Mexican Fmir-o'dock. — Fh. sessile, erect, axillary, soli- tary.— %. From Mexico. Stem 2f high, dichotomous, with yellow flowers, opening at 4 o'clock like the former. July, Aug. ' 3. M. LONGiFLORA. Long-fimvered Four-o'clock. — Lis. pubescent ; fis^. crowd- ed ; tid>e of the cal. very long.— 7|. Native of Mexico. Stem 2f high. Tube of the calyx" slender, hairy, twice as long as the leaves. Flowers white. Jn.— Sept. Order CX. POLYGONACEJE.— Buckwheats. HerSs.rarely shrubs, with alternate leaves. [base of the leaf-stallu ; occasionally 0. Stip. of that remarkable kind called ochrese, cohering round the stem in the form of a sheath above the Ks. mostly jjertect, and in racemes. Ca/.— Sepals united at base, imbricate in aestivation. Sta. definite, inserted on the calyx near the base. Ova. fee, with a single erect ovule. Styles or stigmas several. Fr. — Achenium usually triangular. Sis.— Embryo generally on one side of farinaceous albiunen. Genera 29, species 490, widely diffused throughout the world. Properties.— The roots of these plants are nauseous and purgative. Rhutarb of the shops is the root of some unknown species of this order, native of Tartary. But the leaves and stalks of sorrel, the gar- den rhubarb, &c., are agreeably tart, and contain o.xalic acid ; the petioles of the latter, togetlier with the tarinaceous seeds of the buck-wheat, are well-known articles of food. Conspectus of the Genera. < S. Stiffmas 3, multifid. 3 outer sepals smaller Kumtx. 4 (6. Stamens ^9. Stigmas multifid Rlicum. I < mostly 5, united at ba.se persistent and enclosing the fruit Polygonum. Z Sepals ' 4. Radical leaves reniform, on long petioles Oxyria. 3 1. RHEUM. Rha, the river Volga, on whose banks the plants are said to be native. Calyx colored, 6-sepaled, persistent; stamens 9 ; styles 3 ; stigmas multifid, reflexed ; achenia 3-angled, the angles margined. — % Fls. fasciculate., in racemose panicles. R. Rhapontigcm. Garden Rhubarb or Pic-plant. — Jjvs. smooth, cordate- ovate, obtuse; petioles channeled above, rounded at the edges. — Native of Asia, cultivated in gardens for the sake of the juicy, acid petioles. These are taken in a green state, in the spring of the year, and made into tarts and pies, whose excellence is well known to every one. Stem stout and fleshy, 3 — 4f high, hollow, with large, sheathing stipules at the joints. Leaves very large, 1 — 2f long, I as wide, on petioles of nearly the same length. Panicle terminal, at first enclosed in a white, membranous bract which at length bursts, disclosing innumerable greenish- white flowers. May. 2. OXYRIA. R. Br. Gr. o^vi, acid; in allusion to the qualities of its leaves. Cal. 4-sepa]ed,2 inner sepals largest ; achenium 3-sided, with abroad, membranaceous margin ; sta. 2 — 6 ; styles 2, stigmas large, plumose. — %■ Lvs. mostly radical^ pctiolate. Stem nearly leafless^ paniculate-racemose. O. RENiFORMis. Hook. (Rumcx digynus. Linn.) Mountain Sorrel. Radical lvs. reniform, on long petioles; outer sepals oblong, half as long as the inner, valvular sepals ; stamens 2 ■ stifles 2. — Found on the summits of the White Mts., in moist ravines, and N. to the Arc. Sea. The plant is acid to the taste, like Rumex acetosus. Stem 'S — 4' in height. June. 3. POLYGONUM. Gr. ttoXdj, many, yovv, knee ; that is, plants with many joints. Sepals 4 — 6, mostly 5, connected at base, colored or corolla-like, persistent ; sta. 5 — 9, mostly 8 ; sty. 2 — 3, mostly 3, short, filiform ; ach. mostly triangular, usually covered by the persistent calyx. — Herbaceous. Sts. jointed. Fls. in axillary and terminal fascicles and spikes or paniculate racemes. 474 ex. POLYGONACEiE. Polygonum. § 1, AvicuLARiA. Flowers axillary. Stamens 5 — 8. Stigmas 3. 1. P. AVICULARE. Bird Pohjgonum or Knot-grass. St. procumbent; Ivs. elliptical-lanceolate, rough-edged, acute, sessile; jtowers subsessile. — (X) A common weed in fields, highways and door-yards, U. S. and Brit. Am. Stems slender, i — l^f long, striate, smooth, branching, with short, white, torn, remotel}' veined stipules at the joints. Leaves smooth except the edges, J — 1' long and \ as wide. Flowers reddish, small, 2 or 3 together in the axils of the leaves, appearing all summer. /?. glaucum. (P. glaucum. Nutt.) Lvs. fleshy, glaucous, revolute on the mar- gin.— Grows on the sea-coast. Long Island. 2. P. ERECTQM. (P. aviculare. /?. latifolium. Michx.) Erect Knot-grass. St. mostly erect, branched; tvs. smooth, broadly oval, petiolate; Jls. pedi- cellate ; sta. mostly 5. — % Western and Mid. States and Bnt. Am. A species remarkably distinct in appearance from the last, in similar situations, but sel- dom growing with it. Stem 1 — 2|f high, branched, smooth. Leaves 1 — 2' long and about J as wide, rather obtuse, the petioles 0 — -J-' long. Flowers 2 — 3 together, pedicellate, in the axils of the leaves, yellowish. Jn. — Sept. 3. P. TENUE. Michx. (P. linifolium. Makl.) Slender Knot-grass. St. slender, erect, branched, acute-angled ; lvs. linear-lanceolate, erect, acuminate; slip, tubular, villose at top; Jls. alternate, subsolitary, axillary. — (j) A small, slender plant, on rocky soils, N. Eng., Mid. States. Stem | — If high. Leaves 1 — ly long, 1 — 2" wide, 3-veined, sessile. Flowers white. JL, Aug. § 2. Persicaria. Spikes terminal or aooillary. 4. P. PUNCTATUM. Ell. (P. Hydropiper. Michx. not of Linn.) Water Pepper. — St. branched, often decumbent at base ; lvs. lanceolate, punctate with pellucid dots, waved and scabrous on the margin ; spike loose, interrupted, drooping; sta. 6 — 8; sty. 2, united half way up. — (I) Can. to Flor. A plant well known for its acrid taste, growing in ditches, low grounds, among rub- bish, &c. Stem smooth, swelling above the joints, 2f high, and, like the leaves, sprinkled with glandular dots, in which the acrimony is said to reside. Leaves 2 — 3' long and not more than ^ as wide. Flowers green, tinged with' purple and white. Aug., Sept. 5. P. MITE. Pers. (P. hydropiperoides. Michx. P. barbatmn. Walt.) Mild or Tasteless Knot-grass. — St. mostly decumbent at base, erect and hairy above ; lvs. narrow, lanceolate, subhirsute; slip, hirsute, long-ciliate ; spikes linear ; bracts ciliate, subimbricate ; sta. 8 ; sty. 3. — 0 Ditches and ponds, Can. to Car. and Tenn. Stem a foot or more high. Leaves 2 — 4' long, ^ as wide, sessile. Spikes several, crowded near the summit of the stem, composed of small fascicles of reddish flowers. JL, Aug. See also Addenda, p. 638. G. P. Pennsylvanigum. Pcnnsylvanian Knot-grass. St. smooth, tumid at the joints; lvs. lanceolate, petiolate; slip, glabrous, not ciliate; spikes oblong, crowded; ped. hispid; sta. 8; sly. 2 or L — ® Mar- gins of ponds and ditches, N. H. to Car. Stem geniculate, branched above, 2 — 4f high. Leaves 3 — 5' long, a as wide, slightly scabrous. Spikes short and dense, large, and somewhat nodding. Flowers large, rose-colored, pedicellate. Jl. 7. P. LAPATHiFOLiuM. (P. iucamatum. Ell.) St. geniculate, smooth ; lvs. ovate-lanceolate, petiolate, often hoary beneath ; spikes numerous, rather crowded, erect, on scabrous peduncles ; sta. 6; sty. 2. — 0 A rare species in .swamps and ditches, N. Y. to Ga. Stem 2 — 4f high. Leaves 3 — 5' long, ^ — J as wide. Petioles J — J' long. Flowers small, white, or tinged with red, in numerous, panicled spikes. Aug. 8. P. PERSICARIA. Ladies' Thumb. Spotted Knot-weed. St. erect; lvs. lanceolate, the upper surface spotted; s^z;;. fringed; spikes dense, oblong, erect ; ped. smooth ; sta. 6 ; sty. 2, half united. — 0 A common species about buildings, fences, wet grounds, &c. Stem smooth, branched, leafy, 1 — 2f high, often colored. Leaves 2 — 4' long, i as wide, entire, short- stalked, acuminate, generally marked Avith a brownish, heart-shaped spot near the middle. Flowers rose-colored, in short, dense, terminal .spikes. Jn., Aug. ^ Polygonum. CX. POLYGONACE^. 475 9. P. ORiENTALE. Oriental Knot-grass. Princess Feather. St. erect, paniculately branched ; Ivs. large, with hairy, salver-form sti- pules ; sta. 7 ; sty. 2. — ® Native of the East, naturalized in fields and roadsides, throughout the U. S. A tall, showy plant, often cultivated for ornament. Stem 5 — 8f high. Leaves 8 — 12' long, J as wide, ovate, acuminate. Spikes numerous, large, red, plume-like, terminal. Aug. ^ f 10. P. AMPHiBiuM. (P. coccinium. Muhl.) Amphibious Knotr-weed. SI. assurgent, prostrate or decumbent at base, rooting at the lower joints ; Ivs. oblong-lanceolate and oblong, acute, or rounded or cordate at base, petiolate, smooth, acute or acuminate at apex; spike terminal, ovoid or oblong, dense; sta. 5 ; sty. 2-cleft. — Marshes, ponds, N. Eng. to 111. A very variable species, with large leaves and a terminal, dense spike of bright red flowers. Stems smooth, furrowed, short-jointed, otten very long and creeping or floating and rooting. Stipules large, sheathing, mostly lacerated. Leaves 5 — 7' by 1 — 2', often shining. Spikes 1 — 2' long, the shorter mostly thicker. Aug. — The prin- cipal varieties are as follows : a. cuccineum. St. thick, suberect, 1 — 3f long; Ivs. oblong, acute, shining both sides; stipuks truncate; spikes ovoid. (N. Eng. !) fi. nutans. St. very long, thick, rooting, prostrate, with erect branches ; Ivs. lance-oblong, subcordate, acuminate, stip. lacerate, long ; spike long, slender. (Indiana! &c.) y. {P.fiuitans. Ea. ?) Ijvs. lance-linear, tapering to each end ; ochrece long, hirsute, with a leafy, spreading summit ; spike oblong. — Lancaster, N. H. Rickard ! Wisconsin, Lapham ! — I am by no means certain that these three varieties are not distinct. 11. P. VlRGINIANUM. St. simple, pilose above ; Ivs. broadly lanceolate, ciliate-serrulate, acumi- nate, smooth, on short petioles ; rac. long, slender, few-flowered ; fis. tetrame- rous, unequal, remote ; sta. 5 ; sty. 2, unequal. — % Shades, Can. to Flor., W. to Miss. Stem 2 — 4f high. Leaves 3 — 6' long, ^ as wide, petioles 1 — 5" long. Stipules hairy. Spike or raceme terminal, simple or with one or two branch- lets, leafless, 1 — 2f long. Flowers small, white. Jl., Aug. § 3. BisTORTA. Fls. in terminal., solitary spikes. Sta. 7 — 9. Stig. 3. 12. P. viviPARUM. Viviperous Bistort. /S<. simple ; Ivs. linear-lanceolate, revolute at the margin; spike linear, solitary. — Stem erect, leafy, Jf high, bearing a single spike of white flowers which are often transformed into bulblets while on the stem. — % White Mts. N. to Arc. Am. Leaves 1 — H' by 2 — 3", with entire, obtuse, smooth stipules. JI. 13. P. HiRstJTUM. Walt. Hairy Knot-grass. St. and stip. xery hirsute ; Ivs. lanceolate, hirsute, punctate with pellucid dots ; spikes filiform ; sta. 7 ; sly. 3-parted. — (I) On river banks, Ohio and South- ern States. The whole plant is clothed with soft hairs. Stem 2f high. Flowers white. July. § 4. PoLYGONELLA. Flowers in paniculate spikes. Stamens 8. 14. P. ARTicuLATCM. Jointed Polygonum. S'. erect ; lis. linear ; spikes panicled, filiform; fls. solitary, pedunculated, with imbricate, truncated bracts ; sta. 8 ; sty. 3. — ® N. Y., Mich., found in dry, hilly pastures. Stem slender, branching, straight, with numerous, racemed spikes, and imbricate, sheathing bracts. Leaves i — 1' by 1 — 2", obtuse. Flowers flesh-colored, on nodding, hair-like peduncles issuing from above the bracts. Achenia acutely triangular. Aug. §5. Fagopyrum. Fls. i7i racemose panicles. Lvs. subcordate or sagittate. 15. P. SAGiTTATUM. Scratchgrass. St. prostrate, rough-angled ;"Zz-5. sagittate; fls. capitate; sta. 8; sty. 3. — (j) Wet grounds, N. Eng. to Flor. and W. States. A rough, climbing species, often several feet in length. Stem square, the angles very rough with prickles pointing downwards. Leaves acute, 1 — 3' long, i as wide, on petioles { — f long, with smooth stipules. Flowers in small, terminal heads, whitish. Jn. 478 ex. POLYGONACEiE. Rumex. 16. P. ARiFOLiuM. Hastate Knotgrass . St. aculeate with reversed prickles; Ivs. hastate; s'plkes few-flowered; _/?s. distinct; sta. 6 ; sly. 2. — ® Wet grounds, Can. to Ga. and W. States. Distin- fuished irom the last chiefly by its larger, halbert-shaped leaves, which are — 4' long and § as wide. Petioles i — 1' long. Clusters racemose, slender, loose, few-flowered, at the ends of the branches. June, July. 17. P. CONVOLVULUS. Kihot Bindweed. S'. twining, angular; Ivs. cordate-ha.state ; seg. of the cal. obtusely keeled; sta. 8; sly. 3. — (j) A common climbing species, in fields and waste grounds. Can. to Ky. and Car. Stem 2 — 6l' long, roughish, angled, with axillary branches. Leaves 1 — 2' long, J as wide, on petioles i — f long, with somewhat spreading and acute lobes at base. Flowers whitish, in terminal, interrupted spikes. June — Sept. p. cllinode. (P. cilinode. Mx.) Plant minutely pubescent ; stip. fringed with reflexed hairs at base. 18. P. scANDENS. Climbing Knotgrass. SI. twining, smooth; Ivs. cordate, acuminate; seg. of the cal. winged; sta. 8; sty. 3. — Ij. N. Eng. to Ark. Stem 3 — 7f long, climbing, often colored and with axillary branches. Leaves heart-shaped, with distinct, rounded lobes. Flowers in long, interrupted racemes. Calyx and fruit conspicuously 3- winged, the wings decurrent on the slender, jointed pedicels. Aug. 19. P. FAGOPYRUM. Buckwheat. — St. erect, smooth; Ivs. cordate-sagittate; rac. panicled; sta. 8; sty. 3; ajigles of the ach. equal. — ® The name from the 'L.zi. fagus, beech, and 'pyrum, a pear; the fruit resembles in shape a beech-nut. Native of Asia, but here naturalized. A valuable grain cultivated for the flour which is made into pan-ca.kcs and eaten warm. Stems 2 — 4f high. Leaves 2 — i' long, J as wide. Flowers numerous, white, very grateful to bees. ^ ^ 4. RUMEX. Calyx persistent, of 6 colored sepals, the 3 inner (valves) larger ; sta. 6 ; sty. 3, spreading ; stigmas many-cleft ; acheuium 3-cornered, covered by the 3 valve-like inner senals. — Herbs with the flowers in dense., fasciculate pa?iicles. ^ 1. Lafathum. Flowers all '^ . Inner sepals (valves) granuliferoiis. * Inner sepals entire. 1. R. CRispus. YcUoul Dock. Lvs. lanceolate, waved, acute; valves ( inner se'p^\s) of the cal. entire, ovate, each bearing a tubercle. — %. Can. and U. &. A weed so "common as hardly to need description, growing in cultivated grounds, about rubbish, &c., much to the annoyance of the farmer. Stem 2 — 3f high, smooth, channeled, from a yel- low, fusiform root. Flowers numerous, in a large panicle, consisting of many racemes of half-whorls, interspersed with leaves. Calyx-valves 3, enclosing the seed, each with a grain on the back. The root is used in medicine for cuta- neous diseases. June. ^ 2. R. SANGUINEUS. Blooclij-veined Dock. Lvs. petiolate, cordate, lanceolate; valves of the cal. entire, one of them principally bearing the granule. — % Can. and N. States. Stem of a reddish color, branching, leafy, 2 — 3f high. Leaves .smooth, radical ones large, mostly with red veins, somewhat cordate, .slightly curled at the edges. Flowers in small, distant whorls. Grows in waste and shady places. July. ^ 3. R. BRiTTANicus. British Water Dock. Lvs. broad-lanceolate; joints with nearly obsolete, torn sheaths; fls. poly- gamous ; valves entire, all bearing granules.— IJ. Can., IJ. S. Aquatic, growing in muddy places. Root yellow internally, large. Stem 3f high, furrowed, angular and branched. Leaves large, petiolate, acute. Flowers in verticiilate fascicles, collected into a large, terminal panicle. Pedicels nodding in fruit. Calyx valves large, cordate. July. CXI. PHYTOLACCACE^. 477 4. R. vERTiciLLATDS. Nakcd-spiked Dock. Lvs. oblong-lanceolate ; valves entire, all bearing granules ; spikes leafless, with flowers in half- whorls. — % Northern States. An aquatic species of muddy situations. Stem 2f high, with long, tubular sheaths and few branches. Leaves long, narrow, acute, flat. Whorls few-flowered. Pedicels J — 1' long. June. 5. R. AanATicus. Great Water Dock. Lvs. lanceolate, acute, lower ones cordate, on long petioles ; valves ovate, entire, all of them bearing granules. — % Northern U. S. Ponds and ditches. Root large, very astringent. Stem 3 — 4f high. Leaves somewhat glaucous, the lower ones distinctly cordate at base, flowers verticillate, in a terminal, leafy panicle. Pedicels nodding. 6. R. ALTissiMUs. Wood. (R. verticillata, Mead 1) Peach-leaved Dock. Glabrous, tall, erect; Ixs. linear-elliptic, entire, petiolate, tapering to each end; rac. slender, paniculate, somewhat secund, leafless or the lowest verticil axillary ; ^i-. all 5; inner sep. broad-cordate, one graniferous, one abortively so, and the third naked. — % Marshy prairies and borders of streams, Indiana ! A very showy Rumex, 3 — 6f high, slightly branched above. Leaves 3 — 5' by J — r, somewhat acuminate, broadest in the middle. Verticils approximate, pedicels 2 — 3" long. Achenium exactly resembling a beach-nut in form and color. June. {Nov. sp.) * * Inner sepals tooiked. 7. R. AcuTus. Dock. Lvs. oblong-cordate, acuminate ; whorls leafy ; valves oblong, subdentate, all of them bearing granules. — Tj. N. States. Ditches and waste places. Stem 2 — 3fhigh. Leaves large, the lower ones distinctly cordate, on long petioles. Racemes paniculate, compo.sed of dense, leafy, dimidiate verticils. Granules large, red, one upon the back of each valve. May. ^ 8. P. PALLiDUs. Bw. White Dock. Lvs. linear-lanceolate, acute; spikes slender;, valves ovate, entire, hardly larger than the granule. — Ij. Found in salt marshes, Ms. Stems numerous, ascending. Leaves smooth, acute, petioled, wavy on the margin. Flowers crowded, on short pedicels. Granule large, white, nearly covering the back of each valve. June. 9. R. MARiTiMUs. Gslden Dock. Lvs. linear, very long, entire, acute at each end; fls. in leafy racemes; inner sepals dentate, all graniferous. — %. " Borders of brackish ponds in Mar- tha's Vineyard and Nantucket." Oakcs. Plant a foot or more high. Flowers yellowish-green, in crowded half-whorls on the branches and main stem above. § 10. R. OETCSiFOLius. Broad-leavcd Dock. SI. roughish ; radical lvs. ovate, obtuse ; valves toothed, one of them prin- cipally bearing a granule on the back. — 1]. N. States. A weed as troublesome as the first, growing about houses and fields wherever it is least welcome. Stem 2 — 3f high, furrowed, branching, leafy. Leaves oblong, cordate, obtuse, cre- nate-wavy; upper ones narrower and more acute; root leaves very large, oblong, heart-shaped, often with stalk and veins red. Flowers in long, nearly naked racemes. July. ^ § 2. AcETOSA. Flowers (^^. Inner sepals without granules. IL R. ACETOSELLA. Pield Sorrel. Sheep Sorrel. Lvs. lanceolate-hastate ; fls. 9 c?- — % A common weed, growing in pas- tures and waste grounds throughout the U. S., preferring dry, hard soils. Stem i — If high, leafy. Leaves halbert-shaped, very acid, but pleasant to the taste. Flowering all summer. Flowers small, red or reddish, collected in panicled racemes, the valves destitute of granules. The stamens and styles are on sepa- rate plants. Order CXI. PHYTOLxlCCACE^.— Phytolaccads. Herbs or underslirubs, with alternate, exstipulate leaves. Fls. racemose, perfect. Sepals 4—5, petaloid. Sla. 4—5 and alternate with the sepals, or indefinite. 0-ja 1— several-Belled. Sli/les and stig-inas equal in number to th« cells 478 CXIi. LAURACE^. Sassafras. Pr baccate or dry. Seeds solitary ascending. Embryo cyliiidric, curved around fleshy albumen. Genem 9 species 60, chiefly natives of the tropics. Phytolacca decandria possesses active properties, but they appear to be yet little understood and of doubtful application. PHYTOLACCA. Tourn. Gr. (pvTOv, a plant, Lat. lacca, lac; from the purple juice of the berries. Calyx 5-sepaled, resembling a corolla; stamens 7 — 20; styles 5 — lu; berry superior, 10-celled, 10-seeded. — Herbaceous. Racemes often opposite the leaves. P. DECANDRIA. Poke. Garget. Jalap. Lvs. ovate, acute at both ends ; Jls. with 10 stamens and 10 styles.— Tj. A common, well-known plant, growing about roadsides, hedges, U. S. and Can. Root very large and branching. The stem, with the diameter of an inch, is 5 — 8f high, round, smooth, branching, and when mature, of a fine, deep purple. Leaves 5' by 2 — 3', smooth, of a rich green color, entire and peiioled. Racemes cylindric, long, at first terminal, becoming finally opposite to the leaves. Flow- ers greenish-white, consisting of 5 ovate, concave sepals, 10 stamens with white, 2-lobed anthers, and 10 short, recurved styles. The fruit is a dark purple berry, of a round, depressed form. The juice of the berries stains paper and linen a beautiful purple color, which, however, is not durable. In Spain, it is said they are used to color wine. July — Sept. Order CXII. LAURACE^.— Laurels. Trees and shrubs, with alternate, exstipulate lvs. and umbelled or panicled fls. Cat —Sepals 4—6, somewhat united, free from the ovary, imbricated in 2 series. Sta definite, perigynous, usually twice as many as the sepals, the 3 inner sterile or wanting. Afith. adnaie, 2— 4-celled, opening by recurved valves, from the base to the apex. fy'^^^/ry or'drupeon'a thickened pedicel. Seed large, without albumen. Plumula conspicuous, 2-leaved. Genera 46, species 450, chiefly natives of the tropics, but few being sufliciently hardy to endure our climate. Properties —The species of this highly important order are throughout pen-aded by a warm and stinau- lant aromatic oil. Cinnamon is the dried bark of Cmnamomum Zeylanicum,of Ceylon, dec. Camphor is obtained from many trees of this order, but chiefly hom Camphora Officinarum, of Japan, China, &c. Caisia Bark, from Cmnamomum aromaticum, of China. Persea gratissima, a tree ot the W . Indies, yields a delicious fiuit called the Avocado pear. Both ol the following species are also moderately medi- cinal. Genera. i 2 valves/ Benzoin. 1 Anthers opening by < 4 valves. Sassafras. 2 1. BENZOIN. Nee.s. Flowers ?, rarely by abortion c? 9- Calyx deeply 6-parted ; sta. 9, the inner row each with a pair of opposite, pedicellate glands at base ; anth. opening by 2 valves, detached below and reflected up- ward; sty. short, thick; drupe 1 -seeded. — Lvs. deciduous, entire. lis. precedi7ig the leaves, lateral. B. ODORiFERUM. Nccs. (Laurus Benzoin. Linn.) Fever-bush. Spice Wood. Lvs. obovate-lanceolate, veinless, entire, deciduous ;/.■;. in clustered umbels, often dioecious; hids and pedicels smooth.— A shrub 6— r2f in height, in moist woods, U. S. and Can. It has an aromatic flavor resembling gum Benzoin, and the bark an agreeable, spicy taste. Leaves oval or obovate, cuneiform and acute at base, a— 4' long and i as wide, paler beneath. Flowers pedicellate, in small, sessile umbels, greenish, appearing in advance of the leaves. Calyx 6- cleft, with oblong segments. Berries red. May. 2. SASSAFRAS. Nees. Dioeciously-polygamous ; calyx colored. 6-parted. cT Sta. 9, fertile, the inner row with each a pair of opposite, pedicellate glands at base; anth. opening by 4 valves. 9 Sta. 6, short, abortive : sty. filiform ; Pyrularia, CXIII. SANTALACEiE, 479 drupe superior, 1 -seeded. — Lvs. decidimts, lobed. Fls. a?id Ivs. co- temporary ajulfrom the same bud. S. OFFICINALE. (Lauras Sassafras. Linn.) Sassafras. Lvs. of two forms, ovate and entire, or 3-lobed and cuneate at base ; Jls. in terminal and axillary, corymbose racemes, with linear bracts. — Not uncom- mon in N. Eng., very abundant in the forests and barrens of the other states. It varies in height from 10 — 40f. Leaves alternate, petioled, those of the young shoots ovate-lanceolate, others with 3 large lobes. Flowers greenish-yellow, appearing in May and June, in clustered racemes at the end of the last year's twigs, and after the leaves have expanded. Every part of the tree has a pleas- ant fragrance, and a sweetish, aromatic taste, which is strongest in the bark of the rout. These qualities depend upon an essential oil which may be obtained by distillation, and which has been highly valued in medicine. The young shoots are a common ingredient in small beer, imparting to it a grateful flavor. Order CXIII. SANTALACE^.— Sandalworts. Trees, shrvbs and herbs, with alternate, undivided leaves. F.s. small, in spikes, rarely in umbels or solitary. CcU, tube adherent to the ovary, limb 4— 5-cIefc, valvate in aestivation. Sta. as many as the sepals, inserted at their base and opposite to them. Oi'a. l-celled, I— 4 ovuled. Style \. Sr^g■»;(^ often lobed. Fr. hard, dry and drupaceous, l-seeded, crowned with the persistent calyx. Genera 18, sper-ies 1 10, natives of Europe, America, Australasia, &c. The fragrant sandal-wood is the product 01 santaium album, d:c , ol" India. Conspectus of the Genera. Herbs. Comandra. 1 Shrubs. Pyrularia. 2 Trees. Hyssa. 3 1. COMANDRA. Nutt. . Gr. Kuifir], hair, av6pzi, stamens ; stamens connected to the petals by a tuft of hairs. Calyx somewhat urceolate, tube adherent, limb 4 — 5-parted ; sta- nieus 4 — 5, opposite tlie sepals, inserted into the top of the tube ; disk perigynous, 5-lobed, the lobes alternating with the stamens. Fruit drupaceous, l-seeded, crowned with the limb of the calyx. — Very smooth., suffruticose plants of N. America. Fed. axillary and ter- minal. Fls. small., umbellate. C. UMBELLATA. Nutt. (Thcsium umbellatum. Linn.) Bastard Toad-flax. Erect ; lvs. oval-lanceolate ; fl.s. subcorymbed, terminal.— Tj. Plant about a foot high, in rocky woods, U. S. and Brit. Am. Stem slender, striate, general- ly branching at top. Leaves entire, alternate, acutish, 1— U' long, and i as wide, tapering to a very short petiole. Flowers small, white, in little umbels of about 3. Each umbel is furnished with a deciduous involucre of about 4 small leaflets, the whole constituting a kind of corymb. Each anther is at- tached to its opposite sepal by several hair-like, yellow filaments. June. 2. PYRULARIA. L.C.Rich. Flowers 9 5 c?. Calyx 5-cleft, subcampanulate ; disk 5-toothed, glandular, half adherent to the ovary ; sty. 1 ; stig. 2 or 3, sub- lenticular ; drupe pyriform, l-seeded, enclosed in the adhering base of the calyx. — Shrubs with the habit of Cclastrus. Lvs. alternate, entire. Rac. terminal. P. OLEiFERA. L. C. Rich. (P. pubera. Michx. Hamiltonia. Muhl.) Oilnut. Margins of mountain streams, Penn. to Ga. Shrub 4— 6f high, hirsute- pubescent. Root fcEtid. Leaves 2 — 3' by 1 — li', oblong-ovate, entire, acumi- nate, petiolate, veins prominent beneath. ' Flowers small, in a terminal raceme, gre3nish-yellow. Calyx tube short, nearly filled with the glandular disk in the ^ flowers, the segments reflexed in the $ . Stamens alternate with the lobes of the disk, opposite to those of tho calvx. Drupe g]obo=e-deprpssed. May 41 ■ " 480 CXIV. THYMELACE^. Dmci. June.— The whole plant is more or less oily, and is greedily devoured by cattle. Sometimes called Buffalo Oil. a NYSSA. The name of a nymph, according to Linnsus. Flowers dioocious-polygamous. J Calyx 5-parted ; stamens 5 — 10, inserted around a glandular disk ; pistil 0. $ 9 Calyx 5-parted ; stamens 5 or 0 ; pistil I ; drupe inferior ; nut 1 -seeded. — Trees. 1. N. MULTIFL6RA. Walt. (N. villosa. Michx.) Pepperidge. Tulepo. Gum Tree. — Lvs. oblong, obovate, very entire, acute at each end, the petiole, midvein and margin villous ; fertile ped. 3 — 6-flowered ; nut short, obovate, obtuse, striate. — This tree is di.sseminated throughout the U. S. : it is found 30 — 70f! high, the trunk 1 — 31'! in diameter, with horizontal branches forming a pyramidal summit. The bark is light gray, similar to that of the white oak, and, like the next species, broken into hexagons. Leaves tough and firm, 2— 5' long, and h as wide, often with 1 or more blunt teeth. Flowers small, green- ish, in small clusters on a long, branching peduncle, the fertile ones succeeded by a few deep blue, oblong drupes. The M'ood is white, fine-grained, rather soft, the texture consisting of interwoven bundles of fibres, rendering it very difficult to split. It is thereibre useful for beetles, naves of wheels, hatters' blocks, &c. Jn. 2. N. Aau.iTiCA. (N. biflora. Walt.) Water Tulepo or Gum Tree. " Lvs. oblong-ovate, entire, acute at both ends, smooth; fertile ped. 2-flow- ered ; driipe short, obovate ; nvt striate. — This tree grows in swamps, in certain sections of the Northern and Middle States. The trunk when full grown is 30 — 50f high and 15 — 20' in diameter, the bark divided by deep furrows into hexagons. Leaves alternate, smooth, 2 — 4' in length. Flowers small and obscure, the fertile ones producing a ifruit of a deep blue color, growing in pairs on a common stalk which is shorter than the leaves. The wood is dark brown, similar in quality and uses to the last. Jn." Michx. abr. Order CXIV. THYMELACE..^.— Daphnads. Shrubs with a very tenacious bark, alternate or opposite, entire leaves and perfect flowers. Cal. free, tubular, colored, limb 4 (rarely 5)-cleft, iinbricatL-d m aestivation. [as many. Sla. definite, inserted into the calyx and opposite to its lobes when equal to them in number ; often twice Ova. sohtary, with 1 ovule. Style 1. Stigma undivided. Ft. hard, dry, drupaceous. Albnmen 0 or thin. Genera 38, species 3oo, very abundant in Australasia and S. Africa, sparingly disseminated in Europe and Asia. The only North American genus is that which follows. Properties. — The bark is acrid and caustic, raising blisters upon the skin. It is composed of interlaced fibres which are extremely tough, but easily separable. The lace-bark tree CLagetta) of Jfmiaica is par- ticularly remarkable for this property. Genera.,. J obsolete. Stamens exserted. Dirca. 1 Corolla limb ( spreading. Stamens included. Daphne. 2 1. DIRCA. Gr. StpKa, a ibuntain ; the shrub grows in wet places. Calyx colored, tubular, with an obsolete limb ; stamens 8, unequal, longer than, and inserted into the tube ; style 1 ; berry 1 -seeded. — Lvs. alternate, simple. Fls. exparuling before the leaves. D. PALUSTRis. Leather-wood. Lvs. oblong-ovate or obovate ; fls. axillary, 2 — 3 in a hairy, bud-like in- volucre.— A shrub, 5f in height, when full grown, U. S. and Can. The flowers appear in April and May, much earlier than the leaves. They are small, yellow, funnel-shaped, about 3 together, issuing from the same bud. Leaves entire, on short petioles, pale underneath. Stamens much longer than the sepals, alternately a long and a short one. Berry oval, small, red. Every part of this shrub is very tough. The twigs furnish " rods for the fool's back," the bark is used for ropes, baskets. &c. I El^eagnuss. CXV. EL^AGNACEiE. 461 2. DAPHNE. For the nymph Daphne, who, it is said, wa3 changed into a laurel which this resembles. Calyx 4-cleft, marescent, limb spreading ; stameBS 8, included in calyx tube ; sty. 1; drupe 1 -seeded. — Mostly evergreen shrubs^ of much beauty mid fragrance. JLvs. generally frovi the terminal buds,fts. from the lateral. None are American. 1. D. Mezereum. — Lvs. deciduous, lanceolate, in terminal tufts, entire, ses- sile ; fls. sessile, about three from each lateral bud ; cal. hypocraterilorm, seg- ments ovate, spreading ; sta. inserted in 2 rows near the top of the tube ; Jil. very short ; stig. sessile. — A beautiful, early-flowering, European shrub. The whole plant, especially the bark, is very acrid. Flowers pink-colored in one variety, white in another, clothing nearly the whole plant in March. Height 2— 3f. t 2. D. Laureola. Spurge Lmirel. — Lis. evergreen, lanceolate, glabrous, acute, entire, subsessile; Jls. 5 together in each axillary raceme. — A taller shrub than the preceding, from Europe. Stem 4 — 6f high, with ample and beautiful foliage. Flowers fragrant, greenish-yellow. Mar., Apr. -f 3. D. coLLiNA. — Lxs. evergreen, oblanceolate, obtuse, tapering to a short pe- tiole, very smooth above, villous beneath; fls. fasciculate, terminal. Apr. — Jn. f Order CXV. EL^AGNACE.®.— Oleasters. Trees and shrubs usually covered with a leprous scurf. Lvs. alternate or opposite, entire. Stip. 0. Fls. axillary, dioecious, rarely perfect. Sterilejl. Cai.— 4-parted. Sto. 3, 4 or 8, sessile. Anth. 2-celled. Fertile fl. Cal.— Free, tubular, persistent, limb entire or 2— 4-toothed. Ova. simple, l-celled. Ovule solitary, stipitate. Stig. simple, subulate, glandular. Fr-Achenium crustaceous, enclosed within the calyx, which becomes succulent and baccate. Sds. ascending. Embryo straight, in thin, fleshy albumen. Genera 4, species 30, thinly dispersed throughout the whole northern hemisphere. Genera. S 8. Shepherdia. 1 Stamens ( 4. Elceagnvs. 2 1. SHEPHERDIA. Nutt. In honor of John Shepherd, curator of the botanic garden of Liverpool. Flowers 9 cf . — d" Calyx 4-cleft ; sta. 8, alternating with 8 glands. 9 Calyx tube closely investing the ovary, but not adhering to it, limb 4-lobed ; sty. 1 ; stig. oblique ; berry globose, composed of the fleshy calyx. — North American shrubs.^ with spinescent branches, and opposite, deciduous leaves. Fls. aggregated. 1. S. Canadensis. Nutt. (Hippophse. Willd.) Lvs. elliptic-ovate, nearly smooth above, clothed beneath with stellate hairs and ferruginous, deciduous scales. — A shrub 6 — 8f high, found in Vt, N. Y. and W. to "Wis., Laphavit by streams and on river banks. Leaves ob- tuse at each end, the upper surface green, with few, scattered, stellate hairs, lower surface white, with rust-colored spots, densely tomentose, margin entire ; petioles 2 — 4" long, lamina 1—2' by J— 1'. Flowers minute, in small, lateral, nearly sessile clusters. Berries oval, scaly, consisting of the fleshy calyx en- closing the achenia in its tube, sweetish to the taste. Jl.— A curious and orna- mental shrub. 2. S. argentea. Nutt. (HippophES. Ph.)— Lvs. oblong-ovate, obtuse, both surfaces smooth and equally covered with silvery scales.— A small tree, 12— 18f high, with thorny branches. Leaves 1—2' by 4—9". Petioles k' long, margin entire, the surface of a light, silvery hue, sprinkled with rust-colored spots. Fruit the size of a currant, scarlet, well-flavored, f 2. E L ^ A G N U S. Gr. cXaia, the olive ; the trees having a resemblance to the olive. Calyx 4-cleft, campanulate. colored on the inner side ; gta. 4, alter- ,i82 CXVI. ULMACK&:. ' Ulmub. nate with the calyx lobes ; anth. subsessile ; sty. short ; fi-uit baccate, consisting of the achenium enclosed in the dry, farinaceous calyx tube, marked with 8 furrows. — Trees or shrubs, cultivated for trie silvery foli- age. Leahies alternate. 1. E. ARGENTEA. SUvcr-leavcd Oleaster. Lvs. broad-ovate or oval, wavy, acutish at each end, both surfaces, par- ticularly the lower, silvery and shining with ferruginous scales. — Missouri, &c. A beautiiul shrub, with reddish branches and small, roundish-ovate, carti- laginous drupes, f 2. E. ANGUSTiFOLiA. Narroio-leaved Oleaster. — L2's. narrow-lanceolate, acute at each end, entire, alternate, smooth, canescent ; Jls. axillary, aggregate. — A tree of middle size from Europe, cultivated for its beautiful foliage and fine fruit, which, " when dried, resembles an oblong plum with a reddish skin and a flavor similar to that of a date." :f 3. E. LATiPOLiA. Broad-leaved Oleaster. — L/os. ovate, evergreen. — E. India, f Order CXVI. ULMACE^.— Elmworts. Trees and shrubs with alternate, simple, deciduous leaves. Slip. 2 at the base of each leaf, deciduous. Fls. sometimes by abortion dicecious, in loose clusters, never in catkins. Cal. free from the ovary, campanulate, 4— 5-cleft, imbricate in aestivation. Sta. inserted on the base of the calyx, as many as its lobes and opposite to them. Ova. 1— 2-celled. Ovules solitary. Stigmas 2, distinct. Fr. indehiscent, either a samara or drupe, l-celled ; l-seeded. Seed pendidous, without albumen. Cotyledons fuliaceous. Genera 9, species 60, natives of the northern temperate zone. The mucilaginous bark of the slippery elm (Uimus fulva) is the only important medicinal product. Several of the euns aflbrd excellent timber. Genera. Flowers all perfect. Calyx 4— 5-cleft. Fruit samaree Ulmus. 1 Flowers polygamous. Caiyxof sterile fl. 6-parted. Fruit a drupe Celtic. 2 1. ULMUS. From elm, its original name in Anglo-Saxon, Teutonic, Gothic, and other Celtic dialects. Flowers 5 • Calyx campanulate, 4 — 5-cleft ; stamens 5 — 8 ; styles Q ; samara compressed, with a broad, membranaceous border. — Trees, rarely shrubs. Lvs. retrorsely scabrous, often abrupt at base. Fls. fas- ciculate, appearing before the leaves. 1. U.Americana. American Elm. White Elm. Lvs. ovate, acuminate, serrate, unequal at the base ; Jls. pedicelled ; fr. fim- briate.— This majestic tree is common in the Northern, Middle and Western States. It is a native of the forest, but olten grows spontaneously in open fields, where it is readily distinguished by its long, pendulous branches. The trunk, with a diameter o'f 3— 5f, towers to the height of 30, 50, and even 70f, perfectly straight and naked, when it divides into 2 or more primary branches. These ascend, gradually spreading, and repeatedly dividing into other long, flexible limbs bending in broad, graceful curves. It is a great favorite as a shade tree, and is frequently seen rearing its stately form and casting its deep shade over the " sweet homes" of New England. Leaves short-stalked, oval-acuminate, doubly denticulate, and 4 — 5' long. The veins are quite regular and promi- nent. Flowers small, purplish, collected into small, terminal clusters, and appearing in April, before the leaves. Fruit flat, fringed with a den.se down. The wood is tough and strong, but not easily wrought; used for the naves of wheels, &c. 2. U. FULVA. Slippery Elm. Red Elm. Branches rough; lvs. bblong-ovate, acuminate, nearly equal at base, une- qually serrate, pubescent both sides, very rough ; buds covered with fulvous down ; /5. sessile.— Woods and low grounds, N. Eng. to Car. The slippery' elm is much sought on account of the mucilage of the inner bark. Its diam- eter IS 1— 2f, and lieight 20—40. The leaves are larger, thicker and rougher than those of the white elm, and exhale a pleasant odor. Flowers collected at Celtis. CXVi. ULMACEiE. 488 the end3 of the young shoots. Calyx downy, sessile. Stamens short, reddish, 7 in number. April. 3. U. RACEMosA. Thomas. Cork Elm. Lvs. ovate, acuminate, auviculate on one side ; fls. in racemes ; pedicels in distinct fascicles, united at their base. — A tree found in Meriden, N. H. ! to N. Y. ! The twigs and branches are remarkably distinguished by their nutffe- rous, corky, wing-like excrescences. Leaves 3 — i' long, | as wide, produced into a rounded auricle on one side, doubly serrate, smooth above, veins and under surface minutely pubescent. Flowers pedicellate, 2 — 4 in each of the fascicles which are arranged in racemes. Calyx 7 — 8-cleit. Stamens 7 — 10. Stigmas recurved. Samara ovate, pubescent, the margin doubly fringed. 4. U. CAMPESTRis. Eiiglish Elm. — Lvs. (small) ovate, doubly serrate, unequal at base ; Jls. subsessile, densely clustered ; sta. 5—8 ; cat. segments rounded, ob- tuse; saviara suborbicular, the border destitute of a fringe of hairs. — From Europe. Introduced and naturalized in the Eastern States to a small extent. It is a majestic tree, 50 — 70f high. The main trunk is 2 — 4f diam. at base, usually prolonged to the summit. The bark is more rough and broken than that of the American elm, the branches more rigid and thrown off at a larger angle, the foliage more dense, consisting of smaller and darker-colored leaves. In form it favors the oak more than our own native elms. Many trees of this kind, in the vicinity of Boston, are particularly mentioned in Emerson's Report, pp. 301, 302. 5. TJ. MONTANA. Scotch Elm. Wych Elm. — Lvs. doubly serrate, unequal at base; Jls. pedicellate; sta. 6 — 8; samara "ViiiYi the margin fringed. — Another European elm, often attaining an enormous size. The timber is highly valua- ble. In form it more nearly resembles the slippery elm than the white elm. 6. U. NEMORALis. River Elm. Lrs. oblong, nearly smooth, equally serrate, nearly equal at the base ; fls. sessile. — Banks of rivers, N. Eng. to Virginia, according to Pwrsh, Fl. p. 200, but unknown to any subsequent botanist. 2. CELTIS. Ccltis was the ancient name for the lotus, which this genua is said to resemble. Flowers monoecious-polygamous. <^ Calyx 6-parted ; stamens 6. 5 Calyx 5-parted ; stamens 5 ; styles 2 ; stigmas subulate, elongated, spreading ; drupe I -seeded. — Trees or large shrubs. Lvs. mostly oblique at base. Fls. subsolitari/, axillary. 1. C. occiDENTALis. American Nettle TVee. Hoop Ask. Beaver Wood. Lvs. ovate, acuminate, entire and unequal at base, serrate, rough above, and rough-hairy beneath; fr. solitary. — This species is some 30f high in New- England, where it is rarely found, but is much more abundant at the South and West. The trunk has a rough, but unbroken bark, with numerous slen- der, horizontal branches. Leaves with a very long acumination, and remarka- bly unequal at the base. Flowers axillary, solitary, small and white, succeeded by a small, round, dull red drupe. The wood is tough, and is used for making hoops, &c. 2. C. CRASsiroLiA. Lam. Hackberry. Lvs. ovate, acuminate, serrate, unequally cordate at base, subcoriaceous, rough both sides ; ped. about 2-flowered. — This tree is thinly disseminated in the northern parts of the U. S. In woods it is distinguished by its straight, slender trunk, undivided to a great height, covered with an unbroken bark. The leaves are of a thick and firm texture, very large, heart-shaped at base. Flowers small, white, succeeded by a round, black drupe about the size of the whortleberry. The wood is white and close-grained, but neither strong nor durable. May. 3. C. PUMiLA. Pursh. (C. occidentalis. /?. Miikl.) Lvs. broadly ovate, acuminate, equally serrate, unequal at the base, smooth on both surfaces, the younger only pubescent; ped. mostly 3-tlowered ; /rwaj: solitary. A small shrub, on the banks of rivers. Md.. Ya. Pursh. Leaves 41* 484 CXIX. CALrLlTRlCHACE^E. Callitrichk. sometimes cordate, nearly as broad as long, with a very short acumination. Berries brown and glaucous. Order CXVII. SAURACE^.— Saururads. Herbs aquatic, with jointed stems. Leaves alternate, with stipules. F/s in spikes, perfect, achlamydeous, each HI the axil Ota bract or scale. , , -, Sta. definite, persistent; anth. 2-celled, connectile thick, continuous withtbe slender filament 0»a.— Carpels 3 — 5, each few-ovuled. Fr.— Capsule or berry 3— 5-celled, few-seeded. , ., ,^ j <■ - iu Sds. usually solitary in the cells. Embryo minute, cordate, outside of hard, farinaceous albumen. Genera 4, species T, natives of China and North America, growing in marshes and pools. Properties unimportant. 1. SAURURUS. Ch". (ravpa, a lizzard, ovpa, a tail; alluding to the form of the inflorescence. Inflorescence an ament or spike of 1 -flowered scales ; stamens 6. 7, 8 or more ; anthers adnate to the filaments ; ovaries 4 ; berries 4, 1 -seeded. S. cERNUtJs. "Willd. (Anonymus aquatica. Walt.) Lizzard Tail. St. angular ; Ivs. cordate, acuminate, petiolate. — % An aquatic plant, with neat foliage, and yellowish, drooping spikes of flowers. Can. to Car. and W. States! Stem 1|— 2f high, weak, furrowed. Leaves 4 — 6' long, and J as wide, smooth and glaucous, with prominent veins beneath and on petioles 1 — 2' long. Spikes slender, drooping at summit, longer than the leaf. Scales tubu- lar, cleft above, white. Flowers very small and numerous, sessile, consisting only of the long stamens, and the ovaries with their recurved stigmas. Aug. Order CXVIII. CERATOPHYLLACE^.— Hornworts. Herbs submersed, with dichotomous, cellular, verticillate leaves. Fls. monoecious. Calyx many-parted. ., „ ,, j Sterile.Sta. indefinite (16-20). Anth. tncuspidate, sessile, 2-celIed. Fertile.— Ova. free, l-celled, with a suspended, solitary ovule. Style filiform, oblique, sessile. Fr—Achenium beaked with the indurated stigma. . . Seed orthrotopous, suspended, e.xalbuminous, and containing 4 cotyledons. Herbs, floating. Leaves cellular, many-cleft, verticillate. This order consists of the following genus only, with 6? species. They grow in ditches and pools, Europe, Northern Asia, Barbary, and North America. CERATOPHYLLUM. dr. KCpa;, a horn, (pvWov, a leaf; alluding to the horn-like divisions of the leaves. Character the same as that of the order. C. DEMERSUM. Hortiwort. Xj-cs. 6 — 8 in a whorl, doubly dichotomous, dentate-spinescent on the back; fls. axillary ; fr. 3-spined. — n\. An aquatic weed, in ditches, &c., N. Y. to Va. W. to 111. Stem floating or prostrate, 8 — 16' long, filiform, with numerous whorls of leaves. They are dichotomously divided into 2 or more filiform seg- ments. Flowers minute, axillary, sessile, with sessile anthers. Fruit an oblong, beaked capsule, with 1 seed. Jl. — Sept. Order CXIX. CALLITRICHACE^.— Starworts. Herbs aquatic, small, with opposite, simple, entire leaves. Fls. axillary, solitary, very minute, monoecious, achlamydeous, with 2 colored bracts. Sta. 1, rarely 2; filaments slender; anthers l-celled, 2-valved, reniform. Ova. 4-celled, 4lobed ; ovules solitary. Styles 2 ; sti?mas simple points. Fr. l-celled, 4-seeded, indehiscent. Seeds peltate, albuminous. Genus 1, species 6, growing in stagnant waters both of Europe and America. CALLITRICHE. Gr. KoXof, beautiful, -Spil, rpiy^oi;, hair; alluding to the slender stems. Character the same as that of the order. — %■■ C. VERN.'V. (C. intermedia. Willd. C. aquatica. Bw.) Floating; upper Ivs. oblong-spatulate, lower ones linear, obtuse or emar- OXXI. EUPHORBIACE.E. 485 ginate ; caps, with the lobes obtusely margined. — (i) This little polymorphous plant is common in shallow streams and muddy places, U. S. Stem floating, I — 2f long, composed of 2 tubes, simple or branched. Leaves 2 at each node, becoming crowded above into a star-like tuft upon the surface of the water, the lower ones becoming gradually narrower, and the lowest quite linear. Flowers white, axillary, 1 or 2 together, often monoecious. Anther a little exsaiicd, yellow. May — Sept. /?. autwmnalis. Darl. (C. autumnalis. L. C. linearis. Ph.) Floating ; Ivs. nearly all linear, 1-veined, truncate or emarginate, the upper ones a little di- lated towards the end. — In similar situations with, and generally accompanying the former. y. tcrrestris. Darl. (C. terrestris. Raf. C. brevifolia. Ph.) Proctimbent ar.d diffuse ; lis. all oblong, obtuse, crowded, fleshy. — Grows on soft mud, over- spreading the surface. This form evidently depends on the locality. Order CXX. PODOSTEMACE^.— Threadfoots. Herbs aquatic, without spiral vessels, of the habit of the liverworts or mosses. Las. capillary or linear, not articulated with the stem. Fis. monoecious, achlamyiieous, bursting through an irregularly lacerated spathe. Sta. often reduced to 1 or 2, and monadelphous. Ova. free, 2— 3-celled. Sty. 2 or o. Stig: 2—3. F/-.— Capsule subpedicellate, opening by 2 valves. Sds. nunaerous, without albumen, attached to a central column. Genera 9, species 25, natives of N. America and Asia. P O D O S T E M U M. L. C. Rich. Gr. TTODf, Tiodoi, afoot, CTrjijov ; the stamens being apparently on a common foot-stalk. Stamens 2, with the filaments united below ; ovary oblong-ovoid ; stigmas 2, sessile, recurved ; capsule 2-celled ; seeds minute. — Small, submersed herbs, adhering to stones arid pebbles. P. CER.iTOPHYLLUM. Michx. (Lacis ceratophylla. Bongard.) Threadfoot. Lis. dichotomously dissected ; fis. solitary, axillary. — Middle ! Western and Southern States. Stem a few inches long, usually destitute of roots and attached to stones by lateral, fleshy processes. Leaves numerous, alternate, coriaceous, divided into many long, linear-setaceous segments. Flowers on short, thick peduncles, the 2 stamens and styles at length bursting through the lacerated calyx. In shallow, running streams. July. Order CXXI. EUPHORBIACE^.— Spurgeworts. Trees, shrubs or herbs, often abounding in an acrid milk. Lvs, opposite or alternate, simple, rarely compound, often furnished with stipules. Fis. moncecious or dioecious, a.\illary or terminal. Cal. inferior, lobed or wanting. Cor.— Petals or scales equal in number to the sepals, or wanting. SterVefl.—Sla. definite or indefinite, distinct or monadelphous. Anth. 2-celled. Fertile Jl.— Ova. free, of 2— 9 more or less united carpels, coherent to a central prolongation of the axis. Styles distinct, often 2-cleft. Fr. — Capsule of 3 dehiscent carpels which open elastioally. Sd. with a large embryo in fleshy albumen. Genera 191, species 2500? chiefly natives of S. America, not more than 50 species being found in N. America, north ol Me.xico. Properties.— An acrid, stimulant and- poisonous principle, residin? chiefly in the milkyjuice, pen-ades the whole order This principle vanes in activity from mild stimulants to the most active poisons ; but It IS volatile and easily expelled by heat. Tapioca is a starch-like accumulation formed in the roots or the Jatropha Manihot. AVhen fresh, this root is a violent poison, but loses its deleterious properties Ly washing and e.vposure to heat. Castor-oil is expressed from the seeds of Ricinus communis, Crotcm- oil kom the seeds of CrotonTiglium. Caoutchouc is yielded in abundance by several S. American species. FIG. 53.— 1. Head or capitulum of Eu- phorbia corollata, v\ifh tnc co.oiu-lilve in- volucre, and pedicellate pistillate flower. 2. The involucre tube cut open, showing the monandrous, staminate flowers sur- rounding the pistillate. 3. One of the flowers, with a toothed bract at base. 4. jy Cross section of the ovary, showing the 3 '' one-seeded cells or carpels. 486 CXXI. EUPHORBlACEiE. Euphorbia. Conspectus of the Genera. , Fruit in a toothed, leafy involucre. f 8— 16-anclrous. ( Fruit not iuvolucrate. polyanclrous. Leaves large, glaucous, peltate. J tetrandrous. Leaves evergreen, ov rte. ] peulandrous. Leaves cloihed with shining scales, triandrous. Leaves very snaall. .... Sterile fla. Imonandrou3, several in a corolla-like involucre. Acalypha. 2 Croton. 5 Ricinus. 3 Buxua. 7 Crotonapsis. 4 Phyllanthus. 6 Euphorbia. \ 1. EUPHORBIA. Euphm-hus, physician to Juba, king of Mauritiana, first used these plants in medicine. Flowers S , mostly achlaraydeous ; involucre monophyllous, sub- campauulate, with 4 — 5 petaloid segments alternating with as many external, gland-like teeth, c? 12 or more ; stamen 1 ; filament articu- lated in the middle. 9 solitary, central ; ovary pedicellate ; styles 3, bifid ; capsule 3-lobed, 3-celled ; cells 1 -seeded. — Herbs or shrubs, with a milky juice. Lvs. generally opposite, sometimes wanting, often stipulate. Invol. axillary or subumbellate. * Heads of flowers in i?ivohicrate uvibels. f Cauline leaves alternate. 1. E. COROLLATA. Flotvering Spurge. Erect; cauline a.nd floral lvs. oblong, narrow, obtuse; inner segments of the invol. obovate, petaloid ; umbel 5-rayed, rays 2 or 3 times di- or trichotomous. — 01 In dry fields, &c.. Can. and U. S. Stem slender, erect, 1— 2f high, generally simple and smooth. Leaves 1—2' long, often quite linear, very entire, scat- tered on the stem, verticillate and opposite in the umbel. The umbel, as in other species, consists of about 5 verticillate branches from the summit of the stem, each of which is subdivided into about 3, and finally into 2 peduncles. Corolla-like involucre large, white, showy. . July Aug. — The central head is 2 or 3 weeks earliest. 2. E. HELioscoPiA. Sun Spurge. Erect ; floral lvs. obovate, cauline wedge-form, serrate, smooth ; umbel 5- rayed, then 3-rayed and forked. — (I) A milky weed in cultivated grounds, N. H" ! to Niagara ! S. to Gar., remarkable for the symmetry of its vegetation. Stem smooth, erect, 8 — 16' high. Leaves scattered, § — IJ' long, § as broad at the rounded or retuse apex, finely and sharply serrate, entire, and tapering to the base. Umbels subtended by a large involucre of 5 obovate leaves. Each of the 5 rays is pilose with scattered hairs and subdivided into an umbellet of 3 rays with a 3-leaved involucel, and these finally into 2 or more pedicellate fascicles. Capsules smooth. June, July. 3. E. NEMORALis. Darl. (E. pilosa. Pursh.) Hairy Spurge. Leaves oblong-lanceolate and oblanceolate, acute, narrowed to the base, subsessile, pilose beneath, those of the involucre ovate ; umbel 5 — 8-rayed, rays ones or twice divided; seg. of the flora.l invol. colored, entire, subreniform ; ova. verruco.se. — % Moist woods. Can. to Va. Stem 2— 3f high, smooth, raiely branched below the umbel. Leaves 3 — 4' by 1', entire or slightly serrulate above, those of the stem alternate, of the branches opposite and nearly as broad as long. Floral involucre pm'plish-brown within. Capsule at length nearly smooth. May, June. 4. E. obtusata; Pursh. Obtuse-leaved Spurge. Erect ; Im. alternate, sessile, spatulate, serrulate, smooth ; umbel 3-rayed, rays twice dichotomous ; floral Irs. ovate, subcordate, somewhat obtuse ; caps, muricate. — % Grows in waste grounds, Can. to Va. Stem 12 — 18' high. 5. E. Peplus. St. erect or ascending, branched below ; umbels 3-rayed, rays mostly di- chotomous; iuvolucrate lvs. ovate, acute. — (T) A small species, in cultivated grounds, Penn. to Va. Floral leaves large. Flowers conspicuous. Twr. t Cauline leaves opposite. 6. E. Mercurialina. Muhl. S^. weak and slender, simply 3-cleft; lis. opposite and ternately verti- EuPHOuBiA. CXXl. EUPilOKBlACE^. 48'> cillate, subsessile, oval and entire; fed. terraiual, solitary, 1-flowered. — 1|. In rocky shades, Penn. Pursh. Jl. Aug. 7. E. Lathyris. Mole-tree. Caper Spurge. St. erect, stout, smooth ; lis. lance-linear, rather acute, entire, glabrous, sessile ; umbel mostly 4-rayed, rays dichotomous ; glands of the invol. lunate, 3- horned, the horns dilated and obtuse. — (g) Cultivated grounds and gardens. Stem 2 — 3l'high. Leaves 2 — 4' by 3 — 9", numerous and arranged in 4 rov/s on the stem. Umbel ot'4 verticillate branches with a central subsessile head. Jl. — Sept. {y 8. E. Herronii. Riddel). He rr on' s Euphorbia. Erect, pilose, with opposite branches ; lower Irs. rhombic-ovate, middle ones lanceolate, upper lance-linear, denticulate, obtuse at apex, acute at base; umbels small, lew flowered. — Q Ohio. Plant hairy in all its parts, L — 2f high. Petiole ciliate, half as long as the leaves. Aug. Sept. 9. E. ANGUsTiroLiA. Haworth 1 — St. much branclied at base, ascending and ■with barren branches above; Ivs. crowded, linear, obtuse; umbel many-rayed, proliferous; Jloral invol. 2-leaved, leaflets broad-cordate. — %. A heath-Hke plant of the gardens, native of , If high. Leaves 1' by 1", very numerous, spi- rally arranged, apparently verticillate. f 10. E. MARGiNATA. Pursh. — Lvs. oblong-lanceolate, subcordate, sessile, acute, mucronate, entire on the margin, glabrous ; umbel 3-rayed, once or twice dicho- tomous; involucrale lvs. oblong, cordate, colored and membranaceous at the margin; inner segments of the floral involucre roundish; c«/'.'!. hoary-pubes- cent.— (j) Gardens. A handsome species, remarkable for the variegated leaves of the involucre, f * * Heads a.r.illanj or fasciculate. Leaves opposite. 11. E. HYPER1CIF0LIA. SpuTge. Eye-bright. SI. smooth, branching, nearly erect, branches divaricate-spreading; lvs. opposite, oval-oblong, serrate, sub-falcate; corymbs terminal. — 0 A slender and branching plant, found in dry and rich soils. Stem 10 — 20' high, usually pur- ple, very smooth, the branches often pubescent, U. S. and Can. Leaves tripli- veined, marked with oblong dots and blotches, ciliate, 6 — 12" long, and i as wide, oblique, on very short petioles. Corymbs of small white heads, terminal and axillary. July, Aug. 12. E. MACULATA. (E. depressa. £/Z. E. thymifolia. Z/w?;.) Spotted Spurge. Procumbent; branches spreading; lvs. serrate, oblong, hairy ; ^5. axillary. — ® -A- prostrate plant, spreading flat u > n the ground, in sandy fields, Mass. ! to Ind. ! and S. States. Stem 6 — 12' in length, much branched, hairy. Leaves opposite, 3 — 6" long and i as wide, oblong, obtuse, serrulate, smooth above, often spotted wi'h dark purple, the margin ciliate, pale and hairy beneath, on short stalks. Heads of flowers small, crowded near the summit, involucre minute, white. Jl. — Sept. 13. E. poLYGONiFOLiA. Kiiot-grass Spurge. Procumbent; lvs. entire, lanceolate and oblong, obtuse at base; fls. in the axils of the branches, solitary. — ® Sea shores, R. I. ! to Flor. A very smooth, succulent, prostrate plant, with milky juice. Stems 6 — 10' long, dichotomous, procumbent. Leaves oblong and linear-lanceolate, rarely cordate at base, 3 — 5" by 1", petioles about 1". Stipules subulate and simple. Heads small, in the forks of the purple stem. June, July. 14. E. Ipecacuan"h.s;. Ipecac Spurge. Procumbent or suberect, small, smooth ; lvs. opposite, obovate and oblan- ceolate ; pcd. elongated, axillary, 1-flowered. — % Sandy soil, Middle ! and S. States. Root perennial, very long. Stem rather thick and succulent, 3 — 8' long. Leaves U — 2' by 3 — 6", sessile, varying from obovate to linear. Heads solitary. Peduncles as long as the leaves. June. 15. E. dentata. Michx. Tooihed-leaf Splurge. Hairy; lvs. opposite, oval, dentate ; _/?s. crowded at the summit of the stem. — (J) Shady rocks, Penn., Tarrey, to Tenn., Michaux. Upper leaves spotted. — Probably a variety of E. hypericifolia. Jl. Aug. 488 CXXl. EUPHORBIACEiE. Croton. 16. E. puNicEA. Scarlet or Splendid Euphorbia. — St. sufiruticose, fleshy, armed ■with rigid, sharp thorns ; Ivs. ovate, tapering to the base, glabrous, entire, acute, mucronate ; ped. axillary. 2 or 3 times dichotomous ; involucrate bracts scarlet. — A singular and showy garden plant. 2. ACALITPHA. The Greek name for the nettle, which this plant resembles. jTls. (?. — d" Calyx 3 — 4-parted ; sta. 8 — 16, united at base. — 9 Calyx 3-parted, segments conniveut, persistent; styles 3, elongated, 2 — 3-parted; caps. 3-celled, cells 1 -seeded. — Herbaceous or shrubby. Lvs. alternate. A. ViRGiNiCA. Three-seeded Mercury. Pubescent, branched; lvs. petiolate, oblong-lanceolate, serrate ; invol. of the fertile flowers cordate, broad-ovate, acuminate, veined and toothed. — (l) In dry and gravely soils, U. S. and Can., rare in N. Eng. Stem erect or ascend- ing at base, 10 — 18' high. Leaves 3-veined, 1 — 2i' long, i as wide, hairy, ob- tusish. Pistillate flower at the base of the peduncle of the staminate spike. Involucrum of the fruit axillary, on a short stalk, shorter than the leaves, its margin cut half way down into long, acute segments. Aug. /?. (A. Caroliniana. Wall.) Lis. rhombic-ovate, on long petioles.— Penn. to Ind. ! 3. RICINUS. Lat. ricinns, an insect, which the fruit of these plants resemble. Flowers c?. — c? Calyx 5-parted ; sta. many. 9 Calyx 3-parted; sty. 3, 2-cleft ; caps, echinate, 3-celled, 3-seeded. — Herbs and shrubs with peltate., palmate lvs. R. COMMUNIS. Castor-oil Bean. Palma Christi. — St. frosted or glaucous, white, herbaceous ; lvs. peltate, palmate, lobes lanceolate, serrate ; caps, prick- ly.— Native of the E. Indies, where it becomes a tree, although an herbaceous annual with us. In our gardens it is a tall, smooth plant of a light bluish- green color. Leaves 4 — 12" diam., on long petioles. From its seeds is ex- pressed the well known castor oil of the shops. For this purpose it is exten- sively cultivated in the U. S. July, Aug. ^ 4. CROTONOPSIS. Michx. Named from its resemblance (otpis) to the next genus below. Flowers c?. — J' Calyx 5-parted; cor. of 5 petals; stamens 5. 9 Calyx 5-parted ; cor. 0 ; stig. 3, twice bifid ; caps. 1 -seeded, indehis- cent. — ® Lvs. alternate, stellately pubescent and sh'umig. F(s. aggre- gate, the upper ones sterile. C. LINEARIS. Michx. St. erect, dichotomously branched ; lvs. clothed with a stellate pubescence above, with hairs and shining scales beneath. — In the sandy swamps of N. J. to Car. and 111. Nuttall. Stem 12 — 18' high, and like the leaves sprinkled with silvery, shining scales. Leaves on short petioles, linear-lanceolate or lance- ovate. Flowers very minute, in terminal and axillary spikes. June. 5. CROTON. A Greek name, synonymous with the Lat. ricinus. See jenus No. 3. Flowers (?. — c? Calyx cylindrical, 5-tootlied ; cor. of 5 petals or 0 ; sta. 10 — 15. 9 Calyx 5 — many-sepaled ; cor. 0 ; styles 3 or 6, bi- fid : capsule of 3, coherent, 1-seeded carpels. — A large genus., mostly tropical., and inconspicuous weeds. 1. C. c.ipiTATUM. Michx. St. woolly, tomentose; lvs oval-oblong, obtuse, rounded and entire at the basp, clothed with .soft toraentum on both surfaces; fertile p. at the base of the Empetrum. CXXII. EMPETRACE^. 489 spikelets ; sty. 6, twice bifid ; stamina^ fls. capitate, crowded. — 0 Grows in sandy prairies, 111. to the sources of the Missouri. 2. C. ELLiPTicuM. Nutt. (Crotonopsis elliptica. Willd.) Plant clothed with a stellate pubescence ; Its. elliptical-ovate, the older ones obtuse at apex, smoothish and green on the upper surface ; Jls. glomerate ; sty. 3, bifid ; caps, angular, 2-seeded. — (J) 111. Mead, and Mo. 3. C. GLANDULdSUM. St. trichotomous ; Ivs. oblong, serrate, hairy beneath, nearly entire, and bearing 2 glands at the base ; spikes of flowers situated in the division of the stem. — ©111. {Mead), river bottoms. G. PHYLLANTHUS. Gr. (pvWov, oi/Sof ; the leaves of the original species bear flowers at the edges. Flowers S . — c? Calyx persistent, with 6 spreading, colored seg- ments ; stamens 3, very short, filaments united at base, anthers didy- mous. 9 Calyx as in the c? ; styles 3, bifid ; capsule 3-celled ; cells 2-valved, 1 — 2-seeded. — Herbs or shrubs with alternate., stipulate leaves and minute., axillary flowers. P. Carolinensis. Walt. (P. obovatus. Willd.) St. erect, herbaceous, with alternate branches; Ivs. simple, entire, gla- brous, oval and obovate, obtuse, slightly petioled ■,Jis. few, subsolitary, axillary. — (1) A small-leaved, delicate plant, Penn. ! to 111. ! Stem 6 — 10' high, slender, the branches filiform. Leaves of the stem 6 — 8" by 4 — 5", of the branches twice, and of the bianchlets four times smaller. Flowers 1 — 3 in each axil, the (j^with the 9, 2 — 1" diam., whitish. July, Aug. 7. BUXUS. The Greek name of this plant was 0v|oj. Flowers i . — J* Ca-lyx 3-leaved ; petals 2 ; sta. 4, with the rudiment of an ovary. 9 Cal. 4-sepaled ; pet. 3 ; sty. 3 ; caps, with 3 beaks and 3 cells ; seeds 2. — Shrubs. Lvs. evergreen, opposite. B, sEMPERViRENS. Br^x. — Lvs. ovate ; petioIcs hairy at edge; anth. ovate, saggittate. — Var. angustif./lia has narrow, lanceolate leaves. Var. suffrnlicosa, the dwarf box has obovate leaves and a stem scarcely woody, highly esteemed for edgings in gardens. — The box with its varieties is native of Europe. Order CXXII. EMPETRACE^.— Croavberries. Shruis small, evergreen, heath-like, with exstipulate leaves and minute, axillary flowers. Fls. dioecious. Cal. consisting of hypogynous. imbricated scales. fSta. equal in number to the inner sepalsand alternate with them. Ova. 3— 9-celle(l, with a single erect ovule in each cell. Styles short or 0. Stig-mas lobed and olten lacerated. Fr.— Drupe seated in the persistent calyx, containing 3—9 bony nueides. Sds. solitary, ascending, albuminous. Radicle inferior. Genera 4, species 4, natives of Europe, North America and the Straits of Magellan. They are acrid. The berries are used for food in Greenland. Genera. ( 6— 9-seeded. Empetrum. 1 Drupe \ 3-seeded. OaJcesia. 2 I. EMPETRUM. Gi". tv, upon, Tcrpoi, a stone; from the places of its natural growth. Flowers 9 c?. Perianth consisting of 2 series of sepaloid scales. J* Stamens 3, anthers pendulous on long filaments. 9 Styles 6 — 9, very sliort, erect, or 0 ; stigmas oblong, radiate-spreading ; drupe globose, 1 -colled ; seeds 6 — 9. — Low, alpine shrubs. E. NIGRUM. Croxoberry. Procumbent: branches smooth: Ivs. imbricated, linear-oblong, obtuse at 490 CXXIII. JUGLANDACEiE. Juglans. each end, nearly smooth, with a revolute margin. — A small, prostrate, alpine shrub, Ibund on the granite rocks of the White Mts. of N. H., and the calcare- ous mountains of Vt. The stem is 1 to 3 or 4f long, much branched and closely covered all around with evergreen leaves, which are i — f ' long and a line wide. Flowers very small, reddish, crowded in the axils of the upper leaves. Berries black, not ill-flavored. May, Jn. 2. OAK ESI A. Tuckerman. Dedicated to William Oakes, Esq., of Ipswich, Mass., to whom N. Eng. botany is greatly indebted. Flowers J 5 9- — c? Stamens 3, enclosed in 3 — 6 membranaceous, sepaloid scales ; fil. filiform, exserted, distinct ; anth. 2-lobed, open- ing by lateral clefts. 9 or 5 Calyx of 3 equal, membranaceous scales in the axis of a larger, ovate, ciliate scale ; stam. 3 or 0 ; sty. trifid ; ova. 3-celled ; drupe 3-seeded. 0. CoNRADi. (Empetrum. Torr. Tuckermania. KlofzcL) Plymouth Crcwberry. — A low, bushy, tufted shrub, about If high, in Plymouth, Mass., jE7OTe?w«, pine barrens, N. J., Torreij, N. Y., Vascy. Stems slender, with a reddish-ash-colored bark, with short, verticillate branches. Leaves evergreen, numerous, spiral or imperfectly verticillate, J' long, linear, revolute. Flowers in terminal clusters of 10 — 15, with brownish scales and purple stamens and styles. — Plants with ^ are less common than those with (^ or 9 . March, Apr. Order CXXIII. JUGLANDACE^.— Walnuts. Tre&^, with alternate and uneqiially pinnate leaves and no stipules. Fls. green, inconspicuous, monccious. Strrile in amenta. Corolla 0. Cal. membranaceous, oblique, irregular. Sta. indefinite (3—36). Fe.rtHc in small clusters. Corolla 0 or sometimes present and 3— 5-petaled. Cat.— Tahf. adherent, limb 3— 5 parted. [dilated. Ova. 1-eelled (partially ii—4-celled). OvuJe solitaiy, erect. S?yte? 0—2, verj' short. .Srig". 1—2, much Ft. drupaceous, 1-celled, with 2—4 imperfect partitions ; endocarp bony. Sd. 2— 4-lobed. without albumen, oily. Genera 4, species 27, mostly North American. PropertiPS—The well known fruit of the ivttermit, reaJnut, pcecan-nvt, §-c., is sweet and whole- some, abounding in a rich, drying oil. The epicarp, and even the integument of the kernel, are very astringent. The timber is higlily valuable. Genera. U-cleft. Leaves 15— 21 -foliate Julians. 1 Corolla of the fertile flowers I none. Leaves 5— 9-foliate. Carya. 2 1. JUGLANS. Lat. Jovis glans ; i. e. the nut of Jove ; a name given it by way of eminence. (^ in an imbricated, simple ament ; calyx scale 5 — 6-parted. some- what bracteate at base ; stamens about 20. 9 Calyx 4-cleft, superior; corolla 4-parted ; stigmas 2 ; fruit drupaceous, epicarp spongy, inde- hiscent, endocarp rugose and irregularly furrowed. — Trees of large size., with alternate.1 unequally finnate leaves. Leaflets 7iv.merous. Sterile ame7its axillary. Fertile flowers terminal. 1. J. ciNEREA. (J. cathartica. Michx.') BvtlcrnuL Mliitc Walnut. Lfs. numerous (1.5 — 17), lanceolate, serrat?, rounded at the base, soft- pubescent beneath ; petioles villous ; /'•. oblong-ovate, with a terminal, obtuse point, viscid, hairy; miclcvs ohlong, acuminate, deeply and irregularly furrow- ed.— The butternut is found throughoiU the N. England, Middle and Western States, and Canada, growing on elevated river-banks and on cold, uneven, rocky soils. It is 40 — 50f high, with a large, but short trunk. The branches are horizontal, and unu.sually wide-spreading, forming a very lai'ge head. Leaves 12 — 20' long, con.sisting of 7 or 8 pairs of leaflets, with an odd one. Barren flowers in long aments ; fertile in short spikes. The kernel is oily, pleasant-flavored, and well-knov/n in N. England. The wood is of a reddis'h hue, light, and is considerably used in panneling and ornamental work. From the bark is extracted an excellent cnthartic. April, May. Carya. CXXIII. JUGLANDACEiE. 491 2. J. NIGRA. Black WalmU. Lfts. numerous (15 — 21), ovate-lanceolate, serrate, subcordate, tapering above ; petioles, and under side of the leaves subpubescent ; fr. globose, with scabrous punctures. — The black walnut is a common and "stately forest tree in the Middle and "Western States, but sparingly found in the Northern. It arises 60 — 901 ! high with a diameter of 3 — 6. In open lands it spreads widely into a spacious head. The duramen of the wood is compact and heavy, of a deep violet color, surrounded with a white alburnum. It is used extensively, west of the Alleghanies, for building, and every where for cabinet work. April, May. 2. CARYA. Gr. Kopva, the walnut, from Kapa, roundish ; in allusion to the shape of the nut. c? Aments imbricated, slender and mostly 3-parted or trichoto- mous ; scales 3-parted ; stamens 4 — 6 ; anthers hairy. 9 Calyx 4-cleft, superior ; corolla 0 ; styles 0 ; stigma divided, 2-lobed, the lobes bifid ; epicarp 4-valved ; nucleus subquadrangular, even. — Large trees. Pubescence stellate. Lfts. few. c? a?nents branched. 1. C. ALBA. Nutt. i^Juglans squamosa. Mx. /) Shag-bark Walnut or Hickory. — Lfts. 5 — /, on long petioles, oblong-lanceolate, acuminate, sharply serrate, villous beneath, the odd one sessile ; aments filiform, smooth ; //•. somewhat quadrangular, smooth. — Native throughout the Atlantic States, and abundant farther west. In forests it is very tall and slender, with rough and shaggy bark consisting externally of long, narrow plates loosely adhering by the middle. Like other hickories, the wood is strong and elastic, compact and heavy, and is much used where these qualities are required, as in making hoops, whip stalks, axe handles, the keels of vessels, &c. It is considered superior to all other wood for fuel. The fruit is covered with a very thick epi- carp separating into 4 parts, and containing a thin-shelled, richly-flavored kernel. April, May. 2. C. TOMENTosA. Michx. (Jugians alba. Linn.') White Walnut. Mocker- nut Hickory. — Lfts. 7 or 9, oblong-lanceolate, acuminate, slightly serrate, pubescent beneath, odd one subpetiolate; aments fililbrm, tomentose'; /;-. sub- globose, smooth, with a very thick pericarp ; nut with a hard, thick shell and a small, but agreeably-flavored kernel. — This tree is found in all the Atlantic States, growing 50f high in woods. The bark is thick and rugged, but never scaly. In winter it may be known by its large, greyish-white and very hard buds. The drupes, which are very various in size, have a small kernel diffi- cult to extract, on which account they are less sought than the shag-barks. April, May. 3. C. poRCiNA. Nutt. (Jugians glabra. Willd.) Hog Walnut. Lfs. mostly 7, lanceolate, acuminate, serrate, smooth both sides, odd one subsessile ; fr. and nucleus obcordate or oblong. — Found in woods through- out the U. S., growing to the height of 50— 70f. The drupes afford small, bit- ter kernels. The wood possesses the general properties of the hickories in a superior degree, and is used wherever great strength is required. It make.s excellent fuel. May. 4. C. AMAKA. Nutt. (Jugians amara. Michx.) Bitternut Hickory. Lfs. about 9, ovafe-oblong, acuminate, sharply serrate, smooth both sides except the pubescent veins and midvein, odd one short, petiolate, the rest ses- sile ; //•. subglobose, with the sutures prominent above; drupe smooth, subglo- bosB ; kernel bitter. — Grows in mo.st of the U. S., but attains its greatest size in Penn. and along the Ohio valley. The drupe has a thin shell which may be broken by the fingers and contains a kernel so bitter that animals will scarcely touch it. 5. C. SULCATA. Nutt. (Jugians. WiUd. J. laciniosa. M.v. Thick Shell-bark. Lfs. 7 — 9, obovate-lanceolate, acuminate, serrate, pubescent beneath, ter- minal one subsessile and attenuate to tlie base ; //•. roundish, 4-angled, smooth, uut oblong, slisrhtlv compressed. con«picuouslv inurronate. — N. Y to Car and 492 CXXIV. CUPULIFERtE. auERCus Western States, generally growing in the vicinity of rivers. Rare east of the Alleghanies. It more nearly resembles C. alba than any other species. It is a large tree, 50 — 70f high. The bark is divided into long strips which at length are attached only by the middle, narrower and of a lighter color than C. alba. Leaves 10 — 20' in length, composed of 7, or more frequently 9 leaflets. Sterile aments 3-parted, very long. Nut with a very thick, 4-parted pericarp, and nearly twice larger than in C. alba. 6. C. MicROCARPA. Nutr. Small-fruited Hickory. Lfh. 5 — 7, oblong-lanceolate, glabrous, glandular beneath, serrate, con- spicuously acuminate ; aments glabrous; /r. roundish-ovoid, pericarp thin; nut small, slightly quadrangular. — A large tree, 60 — 80f high, in moist woodlands, Pcnn. Darlington. Trunk IJ — 2fdiam., with an even bark. Leaflets mostly 5, often 7, 4 — 8' by 2 — 3', the under surface tufted in the axils of the veinlets and sprinkled with dark, glandular dots. Aments long and slender. Pi.stillate flowers 2 or 3 together, terminal, on a common peduncle, with conspicuous se- pals. Fruit about the size of a nutmeg. Nut with a thin shell, not mucronate. Order. CXXIV. CUPULIFER^.— Mastworts. Trees and shrubs. Lvs. stipulate, alternate, simple, straight-veined, that is with the veinlets proceeding straight from the midvein to the margin. Fls. generally mona-cious. Sterile in aments, fertile solitary, or 2 or 3 together, or in fascicles. Ca/.— Sepals regular and membranous, or scale-like. Sta. 1—3 times as many as the sepals, inserted into their bases. [each. Ova. adherent, seated within a coriaceous involucrum (cupule), with several cells and several ovules in Stig. several, subsessile, distinct. Fr. A bony or coriaceous nut, more or less enclosed in the cupule. Sets. 1, 2 or 3 (most of the ovules being abortive), peiidulous. Aibutnen 0. Emhri/o large. Cotyledons Heshy, plano-conve.\. Radi.clemiavAe, superior. Genera 8, species 265, constituting a large portion of the forests of the northern temperate regions, and of mountainous tracts within the tropics. Properties.— 'The bark of the oak and other genera is well known for its astringent qualities. The edible fruit of the /lazel-niit, diestnut. beechnut, ^-c, are too well known to require description. Cork is the bark of Quercus Suber. Siit-gails are producd from the petioles of Q. inlectoria of Asia Minor, being caused by wounds made by insects. Conspectus of the Genera. fin an echinate, valvate cupule, and ovoid-compressed Castanea. 2 in a muricate, valvate cupule. and sharply 3-angIed. .... Fagus. 3 i in a hairy, i coriaceous, involucrate cuiude Coryl^is. 4 ( enveloped I inflated . . ^ membranous, closed cupule Ostrya. 5 < (acorn) partly immersed m a scaly cupule Quercus. 1 Nut ( naked, concealed in the axil of a foliaceous bract Cai'pinus. 6 I. aUERCUS. Celtic quer, fine, and cucz, a tree ; so called emphatically, because the sacred mistletoe grows upon it. The more common Celtic name was clerw ; hence druid. (^ in a loose araent; calyx mostly 5-cleft ; stamens 5 — 10. 9 Cupule cup-sliapecl, scaly ; calyx incorporated with the ovary, 6-lobed ; ovary 3-celled, 2 of the cells abortive ; style 1 ; stigmas 3 ; nut (acorn) coriaceous, 1-celled, 1-seeded, surrounded at the base by the enlarged, cup-shaped, scaly cupule. — A noble genus of trees., rarely shrubs. Aments axillary., pendulous, Jillform, ivit/i thcfloioers distinct. ^ 1 . Fructification annual. Fruit 'pedunculate. Leaves not mucronate. * Leaves lobed. 1. a. ALBA. Wiile Oak. Lvs. oblong, pinnatifid-sinuate, smooth, lobes linear-oblong, obtttse, entire, dilated upwards ; fr. pedunculate, cup deep, warty, acorn ovate. — The white oak grows in woods throughout the U. S. and Can.', and for grandeur, strength and usefulness, stands preeminent among the sons of the forest. With a di- ameter of 5 — Gf, it attains the height of 70 — 80, but its magnitude varies with the soil and climate. Leaves obliquely divided into rounded, obtuse and entire lobes, not terminated by mucronate points, pubescent beneath when young. Fruit rather large. Bark while, often with dark spots. The trunk yields tim- ber of great value flir strength r.nd durability. It is extensively employed in I! auERCUs. CXXIV. CUPULIFER^. 493 ship-building, in coopering, in carriage-making, in ploughs, mills, &c. The bark is useful in tanning, and in medicine. May. 2. Q.. MACROCARPA. Ovoxiip While Oak. Lvs. tomentose beneath, deeply and lyrately sinuate-lobed (most deeply in the middle), lobes obtuse, repand, upper ones dilated ; cupule deep, with the upper scales setose ; acorn ovate, turgid. — Most common in the Western States ! frequenting limestone hills, but is occasionally met with in N. Eng. and N. Y. It is 60 — 70f in height, clothing itself with dark green, luxuriant foliage. Leaves 10 — 15' long, being larger than those of any other species here described. The acorns are also of extraordinary size, enclosed § of their length in the cup which is usually bordered with hair-like filaments. May. 3. Q.. .STEi.LATA. (CI. obtusiloba. Michx.) Iron Onk. Lvs. deeply sinuate, cuneiform at the base, pubescent beneath, lobes very obtuse, the 3 upper ones dilated, 2-lobed ; cal. hemispherical ; acorn oval. — The iron oak, called also poaL oak, box while oak, turkey oak, tf-c, is common in the Western ! Middle and Southern States, rare in N. Eng. It is a tree of moder- ate size, wiih widely spreading and very crooked branches. The bark is grey- ish-white. Leaves thick, strongly tomentose beneath, in 4 or 5 lobes which are sometimes .so arranged as to appear crucilbrm or stellate. Acorns very sweet. The timber is finer grained, stronger and more durable than white oak, hence it is useful for posts, staves, carriages, &c. The crooked branches afford knees for ship-building. 4. CI. oi,iv;eformis. Mossy-cup Oak. , Lvs. oblong, smooth, glaucous beneath, deeply and unequally sinuate-pin- natifid ; cvp. deeply bowl-shaped, fringed on the edge ; acorn oval-ovate. — This species of oak is confined to a few districts of N. Y. and Penn. It is a large and majestic tree, chiefly remarkable tor its smaller branches always inclining downwards. The leaves are so irregularly cut and lobed that scarcely two can be found alike. May. * * Leaves dentate, not lobed. 5. CI. prinus. Willd. (Q.. Prinus palustris. Michx.) Siearnp Chestnut Oak. Lvs. on long petioles, obovate, acute, pubescent beneath, with coarse, un- equal, dilated teeth, callous at the tip; cup deep, attenuate at base; acvni ovate. — This oak is seldom met with in N. England, but abounds in the rest of the U. S. It is one of the loftiest trees of the forest, arising to the height of 50f with its undivided, straight and uniform trunk, and thence with its expansive top to the height of 80— 90f. Flowers appear in May, succeeded by large and sweet acorns. The timber is valuable in the arts, and makes excellent fuel. 6. Q.. Bicor.oR. Willd. (Q.. Prinus discolor. Michx.) Sicamp While Oak. Lvs. oblong-ovate, downy, white underneath, coarsely toothed, entire at the base, the teeth unequal, dilated, rather acute, callous at the tip; petioles short; fr. on long peduncles, in pairs, cup hemispherical, acorn oblong-ovate. — The swamp oak isdifl^nsed throughout most of the U. S., growing in low, swampy woods. It is a beautiful tree, attaining in favorable situations the height of TOf. Foliage rich and luxuriant, leaves smooth and green above and white downy beneath, 5—7' by 2i — 4'. The trunk is covered with a grayish-white bark which divides into large, flat scales. It aftbrds excellent fuel and timber. 7. C. MONTANA. Willd. (GL. Prinus monticola. Mx.) M(nmtain Oak= Lvs. broad-ovate, oblong, white downy beneath, shining above, coarsely toothed, obtuse and unequal at the base; icelh obtuse (or rarely acule !) sub- equal ; fr. in pairs, on short peduncles, cup hemispherical, with rugose and tubercular scales, acorn ovate. This oak, sometimes called rock chestnut oak, is native of the Northern and Middle States, growing in woods and mountain sides. Its height seldom exceeds 60f, and is generally much less. In open situations its top spreads widely and symmetrically. The petiole is yellow, rather short. Timber valuable in ship-building, &c, 8. Q,. CAST.4NEA. Willd. (Gl. Prinus acuminata. Michx.) Yellow Oak. C/ieslnut Oak. — Lvs. on long petioles, oblong-lanceolate, obtuse at base, acuminate, downy beneath, with coarse, subequal, dilated, obtuse teeth ; cup 494 CXXIV. CUPULIFERiE. auERCus. hemispherical ; acorn roundish ovate. — The yellow oak abounds in the Middle and Western States, in rocky and mountainous woods. It is a large tree, 601" in height. Bark whitish, slightly furrowed. Leaves regularly toothed, light green above, whitish beneath. Flowers in May, succeeded by'acorns usually sweet-tlavored. Timber little used. 9. Gt. CniNauAPiN. Michx. (Gl. prinoides. Willd.) Dwarf Chestnut Oak. Lvs. on short petioles, obovate, acute at the ba.se, glaucous beneath, with coarse, subequal, dilated teeth, callous at the tip ; cup hemispherical ; acorn ovate. — This is one ot the most diminutive of all the oaks, never e.xceeding 3 — 4f in height. It is native of the Northern and Middle States, in barren woods, but not common. The flowers appear in May, followed by acorns of middle size, very sweet and so abundant as often to weigh the shrub prostrate on the ground. ^ 2. Fructification biennial. Fr. subsessile. Lvs. setaceously mucronate. * Leaves sinuale-lobed. 10. Q,. RUBRA. Red Oak. Lvs. on long petioles, smooth, obtusely sinuate, lobes rather acute, den- tate ; cup .shallow and flat, smoothish ; acorn subovate. — The red oak is the most common species in the Northern States and in Canada. It is a lofty, wide- spreading tree, 70f in height with a diameter of 3 or 4. Leaves 6 — 10' long, smooth on both sides, with deep and rounded sinuses between the narrow, mu- cronate lobes. The flowers appear in May, succeeded by very large acorns contained in cups so shallow as rather to resemble saucers than cups, and are greedily devoured by wild and domesticated animals. The bark is extensively used in tanning. The wood is reddish, coarse-grained, of little value as tim- ber, but excellent for fuel. 11. R. TiNCTORiA. Bartram. Black Oak. Yelloio-bark Oak. Lvs. obovate, oblong, sinuate, pubescent beneath, finally glabrous, lobes oblong, obtuse, mucronate; cup flat; acorn depressed-globose. — This oak is found throughout the U. S. It is one of the loftiest trees of the forest, 80 — 90f in height and 4 — 5 in diameter. Bark deeply furrowed, black or deep brown. Leaves 6 — 8' long, broadest towards the end, quite variable. Acorns brown, nearly sessile, about half covered with the thick, scaly cup. From the bark of this species, quercitron, used in dyeing, is obtained, hence it is called quercitron oali. The bark is used in tanning. 12. CI. coccTNEA. Wang. StarJet Oak. Lvs. on long petioles, oblong, deeply .sinuate, smooth, lobes divaricate, dentate, acute; cup turbinate, scaly; arorn short, ovate. — The scarlet oak is most ainindant in the Middle and Southern States, but is often met with in the more southern parts of N. England. It is a large tree, 80f in height, with a diameter of 3 or 4. Leaves of a bright, shining green, with about 4 deep sinu- ses, remarkably rounded and broad at the base. By the frosts of autumn they are changed to scarlet, unlike those of the red oak which become dull red or brown. Acorns large, similarly round:;d at both ends, half immer.sed in the cup. Bark very thick, used in tanning. The wood is little valued for timber or fuel. 13. CL. PAt,usTRis. Michx. Pin Oak. Water Oak. Lvs. on long petioles, oblong, deeply sinuate, smooth; axils of the reins tufted-villous beneath, lobes divaricate, rather narrow, dentate, acute; cvp flat, smooth; acorn subglobo.se. — The pin oak is most luxuriant in the W. States! and the adjacent districts of other States, rare in New England, growing in swamps and wet woods. Height GO — 80f, with a diameter of 2 — 4. It is remark- able for its unusual number of secondary branches which die as the tree ad- vances, giving the trunk the appearance of having pins or tree nails driven into it; also for its light and open Ibliage. Bark smooth. Wood coarse-grained, little esteemed as timber. Acorns sm.nll, round, in shallow cups. May. 14. Q.. ELONGATA. (CI. rubra. Walt. d. falcata. Micli.z.) Spanish Oak. Lvy.. on long petioles, 3-lobed or sinuate, tomentose beneath, lobes some- what falcate, .setaceously mucronate, the terminal one elongated ; cup shallow, somewhat turbinate ; acoi-n globose. — Sandy soils, N. J. to Ga. Trunk 70 — 80f high, 4 — 5f diam. in the Southern States, not half these dimensions in N. J. Castanea. CXXIV. CUPULIFERiE. «5 Bark blackish and deeply furrowed. Wood coarse-grained, reddish and porous. Lobes of the leaves often not at all falcate in the smaller trees but always clothed with a thick tomentum beneath. Acorns small, round, on pedimcles 1 — 2" in length. May. — The bark is highly esteemed in tanning. ♦ * Leaves dentate or slightly lubed. 15. Q,. iLiciFOLiA. Willd. (Q.. Bannisteri. Michx.) Shrub or Scrub Oak. Bear Oak. — Lis. on long petioles, obovate-cuneate, 3 — 5-lobed, entire on the margin, whitish-downy beneath ; cup subturbinate ; acorn subglobose. — A shrub, common throughout the U. S., growing only on gravely hills and barrens which it occupies exclusively in large tracts. Stem 3 — 4f high, divided into numerous, straggling branches. Acorns small and abundant, and said to be greedily eaten by bears, deer and swine. May. 16. Q,. NIGRA. Willd. (Q,. ferruginea. Michx.) Barren-Oak. Black-Jack. Iron Oak. — Lvs. coriaceous, cuneiform, obtuse or subcordate at base, 3- lobed at apex, lobes nearly equal, entire or retuse, mucronate when young, at length wholly awnless, smooth and shining above, ferruginous-pulverulent be- neath, villose in the axils of the veins ; fr. with a turbinate cup and roundish ovoid acorn ; scales of the cup obtuse, scarious. — A small, gnarled tree, with dark, massy foliage, in sandy soils, N. J. to 111. ! and S. States. Trunk 20 — 30f high, with a thick, black, broken bark. The leaves are very firm in texture, 3 — 5' by 2i — 4', broadest near the apex, middle lobe scarcely as wide and but little longer than the other two. Petioles 3 — 6" long. May. — The wood is very valuable for fuel. 17. Q,. TRILOBA. Daiony Black Oak. Lvs. oblong-cuneiform, acute at the base, somewhat 3-lobed at the end, tomentose beneath, lobes equal, mucronate with setaceous awns, middle one longer ; fruit with a flat cup and a depressed-globose acorn. — A tree of rapid growth, 25 — 40f high, in the pine "barrens of N. J. to Flor. 18. d. HETEROPHYLLA. Pursh. (Q.. Leana. Clark.) Lvs. on long petioles, coriaceous, oblong or oblong-ovate, acute or rounded or subcordate at base, margin with a few shallow, tooth-like lobes, or often only wavy or entire ; lobes setaceous-acuminate ; acorn subglobo.se, in a hemispheri- cal cup ; scales of the cup oblong-ovate, obtuse. — Ohio ! I have specimens of the leaves and truit of this remarkable and long lost species from 3Ir. J. Clark, re-discovered in Ohio, by the late Mr. T. G. Lea. The leaves are exceedingly variable, usually 4 — G' by \\ — 2', smooth and shining above, tomentose along the veins beneath, generally broad and abrupt at base. Fruit f diam. * * * Leaves entire. 19. GL. Phellos. Willov) Oak. Lvs. deciduous, linear-lanceolate, tapering to each end, very entire, gla- brous, mucronate at apex ; acor7i subglobose, in shallow cups. — A tree 30 — GOf high, borders of swamps, N. J. to Flor. and Western States. Trunk straight, 10 — 20' diam., covered with a smooth, thick bark. The leaves, which bear con- siderable resemblance to those of the willow, are of a light green color, dentate when young, 3 — 5' in length. Acorn J' diam. May. — The timber is of little value. 20. Q,. iMBRiCARiA. Laurel Oak. Shi7igle Oak. Lrs. deciduous, lance-oblong, acute at each end, briefly petiolate, very entire, shining-glabrous above, subpubescent beneath, mucronate at apex; acorn subglobose, in a shallow cup ; scales of the cup broad-ovate. — A beautiful tree, very abundant in the Western States, also common along rivers, Penn. to Ga. Trunk 40 — 50f high, 1 — 2f diam., with a smooth unbroken bark, and a large head of coarse, irregular branches. The leaves are dark green, thick and firm in texture, 3 — 5' by 1 — U', forming a dense, heavy foliage. June. — The timber makes miserable shingles. In Indiana it is called Jack Oak. 2. CASTANEA. Tourn. From Castanea, a town inThessaly, where this tree still grows to magnificent dimensions. c?in a long, cyliudric ament : cal. 6-cleft ; sta. 10 — 12. 9 3, within a 4-lobed, densely muricated involucre ; cal. 5 — 6-lobed ; sta. 10 — 12 42* 4% CXXIV. CUPULIFERiE. Cohylls. abortive rudiments ; sty. 6 ; nut mostly ] -seeded, invested with the enlarged, ecbinate involucre or cupule. — Trees and shrubs. Lvs. mostly deciduous, alternate, acuminate. Sterile aments axillary, pendulous. Fruit enclosed in very -prickly A-lobed burrs. 1. C. Vesca. Gffiit. /?. Americana. Michx. (Pagus Castanea. Linn.) Chestnut. — Lvs. oblong-lanceolate, acuminate, mucronately serrate, smooth both sides. — Abundant in particular districts throughout the U. S. It is a lofty- tree, with a large, straight trunk. Leaves quite large (6 — 9' long and i as wide), with large, uniform teeth, mucronate with the prolonged, straight veins. Aments as long as the leaves and so numerous as to impart their yellowish hue to the whole tree when in blossom. The nuts are about 3 together, of a pecu- liar brown, villous above, enclosed in the enlarged cupule or burr Avhich is beset on all sides with strong, compound, aciUe spines. Timber coarse-grained, strong, elastic, light and very durable, hence much used for posts, &c. July. — The nuts are smaller, but sweeter than those of the European variety (the Span- ish, chestnut.) 2. C. PUMiLA. Michx. Dwarf Chestnut. Chinquapin. Lvs. oblong, ovate or obovate, mucronate-serrate, hoary-tomentose be- neath; nut solitary. — Sterile places, N. J., Penn. to Ga. and Tenn.! Shrub 6 — I2f high, much branched. Leaves 3 — 5' by 1^ — 2', smooth above, generally obtuse at base, acute at apex, margins mucronate with the projecting, straight veinlets; petioles 6" long; under surface nearly white. Aments axillary, the lower staminate, 6 — 10' long, upper fertile with remote, pistillate flowers. In- volucre of fruit bristly and prickly, 4-lobed. Nut (by abortion) solitary, small, ovoid, sweet. Ft. Jn. JF^r. Oct. 3. PAGUS. Gt. ipiyoi, the beech ; it also signifies something eatable. cJ* in a globose anient; cal. 6-cleft, campanulate ; sta. 5 — 12. 9 2, within a 4-lobed, prickly involucre ; cal. single, with 4 — 5 minute lobes ; sty. 3 ; nut 1 -seeded, enclosed within the enlarged, spiny involucre or capsule. — Lofty trees, with smooth, ash-colored bark. Lvs. alternate, plicate iii vernation. (T aments on long, pendulous peduncles. P. sYLVATiCA. Linn. 0. Americana. Nutt. (P. sylvestris. Michx. F. ferruginia. Ait.) Beech. — Lvs. broadly ovate-lanceolate, briefly petiolate, obtuse at base, ciliate with soft white hairs when young, at length nearly gla- brous, margin with small, remote teeth, apex acuminate ; Inuls lanceolate- cylindric, imbricated with brown scales, developing both leaves and flowers ; nvts ovoid-triangular, obtuse-mucronate. — A common forest tree, abundant in N. Eng., frequent in the Western States and British provinces. The trunk is tall and straight in forests, 50 — 80f high, but lower and with an expansive head in open situations, always known by the light gray, unbroken bark. Leaves with very regular and straight veinlets, 4 — 6' long, J as wide, often persistent through the winter, i^ aments pubescent, peduncles 2' long. Nut small, 2 together in the 4-lobed burr, oily, sweet and nutritious. Timber fine- grained, with reddish duramen and white alburnum. May. Obs. — The Red Beech is now regarded only as a variety; with the wood softer, and of more easy cleavage, and peih ips a sliirht difference in foliage. There are several beautiful varieties in cultivation, with i>urple foliage, silver foliage, &c. (See garden catiilogues.) 4. CORtLUS. Gr. Kopvi, a bonnet ; to which the cupule enwrapping the nut may well be compared. (^ in a cylindric ament ; cal. scale 3-cleft ; sta. 8; anth. 1-celled. 9 Calyx obsolete ; ova. several ; stig. 2 ; nut ovoid, surrounded with the enlarged, coriaceous, lacerated involucre (capsule). — Shrubs. Aments and capitate fertile clusters subtermmal. 1. C. Americana. Hazel. Lvs. roundish, cordate, acuminate ; invoi. roundish-campanulate, much CXXV. BETULACE^. 497 larger than the roundish nut, its border dilated and coarsely serrate. — Shrub 5 — 6f high, growing in thickets and borders of fields, U. S. Leaves 3 — 6' long and § as wide. From the ends of the branches hang the long, pendulous aments of barren flowers in April. The nuts are remarkably distinguished by the large, bell-shaped involucre in which each cne is enveloped. They are a well-flavored fruit, though somewhat inferior to the European hazel ov filbert. 2. C. ROSTRATA. Ait. Beaked Hazel. Lvs. oblong-ovate, acuminate ; slip, linear-lanceolate ; invol. campanu- late-tubular, longer than the nut, 2-parted, with dentate segments. — This species is found in the same localities as the former, is a rather smaller shrub, and chiefly differs from it in the involucre, which is covered with short, stiff hairs, and contracted at the top into a long (1 — IJ') narrow neck, like a bottle. Nuts as in C. Americana. May. 5. OSTRYA. Gr. odTpeov, a scale ; in allusion to the conspicuous sacs (not scales) of the fertile aments. c? in a cylindric ament ; cal. scale roundish-ovate, ciliate, 1-flower- ed ; anth. conspicuously bearded at the summit. 9 geminate, in a loose, linear ament ; cal. 0 ; fls. enclosed each in an inflated mem- branous sac, which, at length, enlarged, contains the matured nut. — Small, trees. O. ViRGiNiCA. Hop Hornbeam. Iron-wood. Lever-wood. Lvs. ovate, acuminate, serrate; fertile ament oblong, pendulous; buds rather acute. — A small tree disseminated throughout the U. S., 25 — 30f in height. Its bark is remarkable for its fine, narrow, longitudinal divisions. Leaves about twice as long as wide. The fruit is similar in appearance to hops, suspended from the ends of the branches, consisting of membranous, imbricated sacs, (cups 1) containing each a flower. The wood is very white, hard and strong,' much used for levers, &c. Apr. May. 6. CARPlNUS. Celtic car, wood, and pino, the head ; alluding to its use in making yokes for cattle. d^ in a long, cylindric ament ; cal. scale roundish, ciliate ; sta. 8 — 14, slightly bearded at summit. 9 in a loose ament ; scale large, oblong, 3-lobed, 1 — 3-flowered ; cal. 6-toothed ; stig. 2 ; nut long, ovoid, furrowed, 1-seeded. — Small trees. Scales of the 9 aments per- sistent and becoming foliaceous C. Americana. Hornbeam. Lvs. oblong-ovate, acuminate, unequally serrate; scmUf of the fertile ament 3-parted, the middle segment much the largest, oblique, with a lateral tooth.— A small tree (1-2 — 20f high), common in woods throughout the U. S. The wood is very fine-grained, compact and white, covered with a light gray or ash- colored bark. Leaves 2 — 4' long, J as wide, petiolate. From the ends of the branches hang the long, loose, pale green, leafy aments, consisting of alternate pairs of enlarged scales, with a dark-colored nut at the base of each. Apr. May. Order CXXV. BETULACE^.— Birchworts. Trees or shrubs, ytHh deciduous stipules. Lvs. alternate, simple, with the veinlets running straight from the midvein to the margin. F ■im inojcious, amentaceous, mosly achlamydeous, ternate in the axil of a 3-lobed bract. Perianth wantine or of several small scales, sometimes resembling a real calyx S^en'e.—ftYft. dehnite, distinct. .■!»?/(. 2-celled. Fertile.— Ova. 2-celled, 2-ovuled. Styles or stisrmas 2, distinct. Fr. 1-celled and I seeded (by abortion), membranous and indehiscent. Seed pendulous, without albumen. Genera 2, ? species 65, chiefly natives of the cool parts of the northern hemisphere. Properties gene- rally astringent. The birches are ot ten hne timber trees. Genera. <, 10—12. Scales of the fertile aments 3-flowered. . . . Betula l .'=itamen3 li. Scales of the fertile aments 2-flowered .'.'.' Alnus.' % 498 " CXXV. BETULACE^. Betula, 1. BETtJLA. Tourn. Bctu ia the Celtic name for the birch. c? in a cylindric ament ; bracts deeply 3-parted, peltate ; calyx 0 ; stamens 10 — 12. 9 Ament oblong-ovoid: scales subtrilobate ; calyx 0 ; nut compressed, with a membranaceous margin. — Trees and shrubs mostly with the outer bark laminated and horizontally fibrous. Lvs. ovate., serrate, alternate. * Trees. 1. B. LENTA. Black Birch. Sweet Birch. Mahogany Birch. Dvs. cordate-ovate, acuminate, acutely serrate, veins beneath and petioles hairy; fertile aments erect. — This noble species is common in the Eastern and Middle States, often exceeding 60f in height, with a diameter of 2 to 3f. The trunk is invested with a dark brown or reddish bark, which becomes rough in old trees, and is remarkable for its agreeably aromatic fragrance and flavor. Leaves 3 — 4' long, about J as wide. Sterile aments 2 — 3' long, fertile much shorter and thicker. In spring the cambium affords the boys a delicious morsel. The wood is of a reddish color, strong, compact, and takes a good polish. It is much used in cabinet work. April, May. 2. B. ExcELSA. Ait. Lofty or Yellow Birch. Lvs. ovate, acute, serrate, on pubescent petioles, shorter than the pedun- cles ; barren aments ovate, erect ; scales with rounded, lateral lobes. — A common forest tree in N. England, arising in woods to the height of 60 — 80f, with a trunk 2 — 3f diam., invested with a thin, yellowish cuticle. Barren aments 2 — 4' long, cylindric, clustered, and pendulous at the ends of the branches. The wood is chiefly valuable as fuel. April, May. 3. B. NIGRA. Ait. (B. rubra. Michx.) Bed Birch. Lvs. rhombic-ovate, acute at each end, doubly serrate, glaucous beneath ; fertile anient sessile, erect, ovoid, scales villous, the segments linear, equal. — A tree 30 — 50f high, growing on the banks of streams, Methuen, Mass., Emersmi, to Car. W. to la. ! and III, Mead. Trunk covered with a reddish or chocolate- colored bark, which at length becomes very loose and torn, hanging in shreds, and finally rough like that of the black cherry. Branches arched and slender ; branchlets almost filiform, often clothing the trunk to the base. Leaves dark green above, about 3' by 2', often smaller, petioles 6 — 8" long, pubescent. May. 4. B. POPULIPOLIA. Ait. Poplar-leaved Birch. White Birch. Lvs. deltoid, long-acuminate, unequally serrate, very smooth, on smooth petioles; fertile aments pedunculate; scales with roundish, lateral lobes. — This species, like the preceding, is distinguished for the white cuticle with which the trunk is invested. It is common in the rocky and mountainous woods of N. England, where it seldom exceeds 30 — 40f in height. The branches are covered with a reddish-brown bark, very slender, and throw out, in May, long, pendu- lous aments. 5. B. PAPYRACEA. Ait. Paper Birch. Canoe Birch. Lvs. ovate, acuminate, doubly serrate, the veins hairy beneath ; fertile aments nodding, pedunculate ; lateral lobes of the calyx short, roundish. — This birch is abundant in the hillside woods of N. England, &c. It sometimes at- tains the height of 60 — 70t, but is generally smaller. The trunk, which is I — 2f in diameter, is covered with a tough cuticle consisting of numerous lamina, the outer of which is snow white. Of this the Indians construct their light canoes. The bark upon the branches is dark brown. Leaves 2 — 3' long, J as wide. Sterile aments 1 — 2' long. The wood is of a fine, compact texture, but not durable, and is used in turnery and furniture work. May, June. /3. minor. Tuckerman. Lvs. smaller, ovate, glabrous, acute, some of them roundish-obtuse. — White Mts. Shrubs 6 — 9f high. * Shrubs. 6. B. puMii.A. Dwarf Birch. Low, shrubby ; yomig branches pubescent, without glandular dots ; lvs. or- bicular-obovate, petioles dense!}' pubescent beneath ; fertile ament cylindrical. CXXVI. MYRICACE^. 499 Slirub 3— 3f high, mountains, N. Y. and Penn. Pursh. " In several low places towards the hills " Penn. Bartram. Cedar swamps, Columbus, Ohio, Sullivant (fide Tuckerman.) A very obscure species, unless it be the following. 7. B. GLANDULOSA. Michx. Glandular Dwarf Birch. Low ; braiuhes glandular-punctate, glabrous ; lis. obovate, entire at base, obtusely serrate, glabrous ; fertile aments oblong ; scales half 3-clelt, lobes ovate- oblong, middle one rather longest ; nut orbicular, with a narrow margin. — A beauiifal shrub, inhabiting the mountainous districts of the IN, and N. W. States ! N. to Hudson's Bay. Height 2 — tf Leaves about 9" by 6 or 7", very regularly toothed. — If this shrub be distinct from the preceding, it may be known by its glandular-dotted branches and its want of pubescence — scarcely by its variable leaves. 8. B. LiTTELLLiNA. Tuckcrman. Low, glabrous ; branches resinous-punctate ; Ivs. suborbicular, coarsely serrate ; fertile aments oblong-cylindric, scales trifid, lobes oblong-obovate, mid- dle one longest.— White Mts., Tuckerman. Shrub somewhat erect. Leaves 2 — 4 times larger than those of B. nana. 9. B. NANA. Tiny Birch. Low, smooth ; Ivs. orbicular, crenate, reticulated beneath ; scales of the ament deeply 3-parted ; seeds orbicular, nearly wingless. — This miniature tree is found on the summits of Mt. Clinton, Mt. Franklin, &e., of the White Mts. ! It is scarcely more than a foot in height, often but a few inches, the branches few and straggling, the leaves \ — §' in diameter, smooth both sides, pale and distinctly reticulate beneath, and on petioles 1 — 2" long. 2. ALNUS. Tourn. c7 Ament long, cylindric, composed of cuneate, truncate, 3-lobed, 3-flowered bracts ; cal. 4-parted ; sta. 4. 9 Ament ovoid ; bracts 2- flowered ; 3-fid ; cal. 0; nut wingless, compressed. — Shrubs^ arising from large and strong roots. Buds ■pedunculate. Lvs. plicate in ver- nation.^ alternate., simple., deciduous. 1. A. iNCANA. Willd. (A. glauca. Michx. Betula incana. Linn.) Lrs. submembranaceous, oblong, acuiish, obtuse at base or cordate, mar- gin somewhat lobed, sharply serrate, glaucous-pubescent beneath ; Tems hirsute, their axils naked ; slip, oblong-lanceolate ; fertile aments ov3.\. — Not uncommon in N. Eng. and Mid States. A tall shrub or small tree, readily distinguishable by the form and pubescence of the leaves. 2. A. RUBRA. Marsh. (A serrulata. Willd and \st edit.) Common Alder. Lvs. obovate, acuminate, doubly serrulate, the veins and their axils hairy beneath; slip, elliptical, obtuse. — A well known shrub growing in clumps, and forming thickets on the borders of ponds and rivers, and in swamps. Stems numerous, rather straight, 10 — I5f in height. Leaves 2 — 4' long and § as wide, strongly veined ; petioles j — J' long. Aments 2 — 3' long, slender, pendulous, lascicled at the ends of the branches ; fertile ones short, thick, dark brown, per- sistent, several together a little below the sterile ones. March, April. 3. A. CRispA. Michx. (Betula crispa. Ait.) Lvs. oval, acute, obtusish at base, doubly serrate, clothed with a soft vis- cid pubescence, or subglabrous, villous on the veins and axils beneath ; slip. broadly ovate ; fertile aments on long peduncles, oval. — White Mts., Tuckerman, Green Mts., R.bbins, Can., Michaux. An elegant shrub, 3 — 4f high. Leaves varying to broad-ovate, rarely cordate, nearly smooth in the alpine state, other- wise softly pirbescent and sprinkled with resinous particles. Apr. OiiDEii CXXVI. MYRICACE^.— Galeworts. Shrubs or small trees, aromatic, covered with resinous glands or dots. Lvs. alternate, simple. FIs. moncecious or dioecious, amentaceous, each axillary to a bract. Sterile.— Sta. 2 — 6. Anth. 2— 4-celled, opening longitudinally. Fertile.— Ova. 1-celled, l-ovuled, surrounded by several hypogynous scales. 500 CXXVII. SALICACEiE. Stig 2, subulate, or dilated and petaloid. F/- drupaceous or dry. Seed solitary, erect, without albumen. Genera 3, species about 20, found in the temperate parts of North America, in India and South Africa, one species in E.uope. Sweet Fern is highly aromatic and astringent. The fruit of the bayberry bush yields wax in abundance. Genera. Scuneate-lanceolate. serrate. Flowers dicEcious r^^?j^iji I Leaves { sinuale-pinnaUtid. Flowers moncecious i^ompumia. a 1. MYRiCA. Gr. ftvptD, to flow; because some of the species are native of river banks and inundated places. Flowers c? 9 • Aments ovate-oblong ; scales loosely imbricate, lunate. (? Stamens 4 — 6, short, erect; anth. large, 4-valved. 9 Ovary 1, superior ; sty. 2, spreading ; stig. 2, acute ; drupe 1 -celled, 1 -seeded. — Stipules very fugacious or 0. 1. M. Gale. Sweet Gale. Dutch MyrtU. Lvs. glabrous, cuneate-lanceolate, obtuse and serrate above, margin very entire and slightly revolute below, tapering to a very short petiole ; slerik aments of ovate, cordate, acuminate, ciliate scales ; fr. in an oblong, dense, amenta- ceous head.— A branching shrub, 3— 4t' high, on the inundated borders of ponds and mountain lakes, Northern States and Can. Leaves dark green, paler be- neath with a strong midvein, 9—18" by 4 — 6", entire i the length. ^ and 9 aments on separate plants, the former terminal, about 1' in length, the latter axillary and much shorter. Fruit and leaves, when crushed, with a pungent, spicy odor. May. 2. M. CERiFERA. Bayberry. Wax Myrtle. Lvs. glabrous, cuneate-oblong, rather acute or obtuse, distinctly petiolate, margin entire or remotely dentate above, paler and with distinct veinlets be- neath ; aments cotemporary with the leaves, lateral, naked, the J^ larger, with lax, roundish scales; fr. spherical, distinct, clustered, naked, covered with wax. —This interesting and useful shrub is found in dry woods or in open fields. Nova Scotia to Flor. W. to Lake Erie. It varies in height from 2— 8f, covered with a grayish bark. It has a very branching top, numerous dry-looking leaves li — 2k' hy'h — I'. The J" and 9 aments on separate plants, below the leaves, j_|' long, the former much thicker. The fruit consists of a globular stone en- closing a kernel, and covered with a coating of whitish wax, which, being sepa- rated by boiling water, constitutes the bayberry talluv) of commerce. May. 2. COMPTONIA, In honor of Henry Compton, Lord Bishop of London, who made an extensive collection of plants. Flowers §. c? Ament cylindric ; bract reuiform-cordate, acumi- nate ; cal. scale 2-parted ; sta. 3, forked ; anth. 6. 9 Ament ovate ; cal. scales 6, longer than the bract ; sty. 2 ; nut ovoid, 1 -celled. — Low shrubs. Lvs. long and narrow., pin?iati/id-lobed, with small stipules. C. ASPLENiFOLiA. Ait. (Liqnidambar. Linn.) Sweet Fern. Lvs. long, linear-lanceolate, alternately sinuate-pinnatifid. — A well known, handsome, aromatic shrub, 2f high, common in dry woods and hills. The main stem is covered with a rusty, brown bark, which becomes reddish in the branches, and white downy in the young shoots. Leaves numerous, on short peduncles, 3 — i' by J', divided nearly to the midvein into numerous, rounded lobes so as to resemble those of the .spleenwort. Stipules in pairs, acuminate. Barren flowers in erect, cylindric catkins, terminal and lateral. Fertile flowers in a dense, rounded burr or head, situated below the barren ones. Fruit a small, ovate, brown, 1-celled nut. May. Order CXXVII. SALICACE^^.— Willoworts. Fref.^ or shrubs, with alternate, simple leaves and deciduous or persistent stipules. Fis. di(Ecious, amentaceous, achlamydeous, axillary to 1-flowered bracts. Sterile.—Sta. 2 — several, distinct or monadelphous. Anth. 2-celled. Fertile.— Ova. i— 2-ceUed. Ovules niunerous, erect. St'jles or stigmas 2. Sahx. CXXVII. SALICACEiE. 501 Fr. coriaceous, 1-celled, 2-valved. Sds. numerous, ascending, furnished with a silky coma. Albumen 0. Genera 2, species 220, chiefly natives of the northern temperate and frigid zones, one species, Salix arctica, extending farther north than any other known woody plant. Properties.— The hark is astringent and tonic, possessing tne febrifugal properties of the sulphate of quinia. The wood is employed for various economical purposes. Ge7iera. i 2—5. Capsule 1-celled. Sclix. 1 Stamens 1 8—20. Capsule 2-celled. Fopulus. 2 1. SALIX.* Celtic sa!, near, and lis, water ; alluding to their usual locality. Aments cylindric, bracts imbricated, 1 -flowered, each with a nec- tariferous gland at base, cf Calyx 0 ; sta. 2 — 7. 9 Calyx 0 ; ova. ovoid-lauceolate, acuminate; stig. 2, mostly bifid; caps. 1-celled, 2-valved, valves acuminate, finally revolute at summit ; seeds numer- ous, minute, comose. — Trees, shrubs and undershrubs. Lvs. usually narroiv and elongated, each with 2 conspicuous stipules. Aments termi- nal and lateral. § 1. CiNEEEiE. Borr^x Upland, grayish shn.ibs. Leaves obovate-lanceolate, mostly entire, rugose, canescent-pilose, margins often revolute. Aments oval or oval-cylin- dric, expanding before the leaves, with centrifugal inflorescence. Stamens 2. Scales red, finaUy black. Q aments recurved when young. Ovary pedicellate ; stigma red or pale yellow, finally green. — Barratt. 1. S. TRisTis. Ait. (S. longirostris. Michx.) Sage Willow. Lis. linear-lanceolate or oblanceolate, cuneate at base, entire or remotely undulate-toothed, margin subrevolute, apex acute or obtusish; slip, minute, narrow-lanceolate, caducous ; aments very small ; scales orbicular-oblong, hairy at the margin; ore. with grayish, .silky pubescence ; s^'y. short. — Sandy or dry fields, borders of woods, pastures, N. Eng. ! to Ind. ! and 111. A small, dowriy shrub, with a profusion of aments in spring, appearing before the leaves. Leaves at length numerous, often crowded and rosulate at the ends of the branches, 1 — 2' long, tapering lironi above the middle to a very short peiiole, the margin often revolute, under surface glaucous, otten pubescent, upper gene- rally smoothish. In starved specimens the whole plant is grayish-white, with very small leaves. i3. (S. Muhlenbergiana. PL and 1st edit.) Shrub larger in all its parts. Bark green on the stem, yellowish and downy on the new branches. Leaves 2 — 3' long, often abrupt at base. y. Monadelphia. Barratt. Sta. united half their length. — Conn. 2. S. Muhlenbergiana. Barratt. (S. conifera. Miihl. and 1st edit.) Muh- lenberg's Willow. — Lvs. oblanceolate, remotely serrate, glabrous above, pubescent and not rugose beneath ; young branches smooth ; slip, lunate, sub- dentate; aments precocious, diandrous ; scales lanceolate, obtuse, villous; ova. pedicellate, lanceolate, silky ; sty. long, bifid ; stig. 2-lol3ed. — A shrub in dry soils, Northern States, 4 — 8f high, witli brown twigs. On the ends of these, cone-like excrescences are often produced by the punctures of insects. Aments covered with very hairy scales, appearing before the leaves in April. 3. S. CANDIDA. Willd. White Willow. Lvs. lanceolate or linear-lanceolate, very long, obscirrely serrulate at the summit, pubescent above, hoary-tomentose beneath, revolute on the margin ; slip. lanceolate, as long as the petioles ; aments cylindric ; scales obovate, obtuse, very long, hairy ; siig. 2-lobed. — A beautiful species in shady woods. Stems 4 — 6f high. Leaves 8 — 12' by 1 — 2'. Catkins dense, white with dense wool. Styles and stigmas dark red, ^' in length. April, May. § 2. DiscoLORES. Borrer. Trees or shrubs blossoming in early spring. Leaves serrate or denticulate, smooth and shining above, glaucous and pubescent beneath. Aments oval or cylindrical, preceding the leaves, smooth, silky or woolly, withovt floral ' Arranged according to Dr. Joseph Barratt. See preface. 502 CXXVII. SALICACE^. Salix leaves, centrifugal. Scales turning black. Stamens 2, free or united. Ova. stipi- tate, subpubescent. Barratt. 4. S. DISCOLOR. Mnhl. T\oo-colored or Bog WiUmo. Lvs. oblong, rather acute, glabrous above, entire at the end, glaucous beneath ; stip. lanceolate, serrate, deciduous ; aments cotemporary with the leaves, oblong, downy, diandrous ; scales oblong, acute, black, hairy ; ova. ses- sile, downy ; stig. 2-parted. — A shrub, 8 — lOf high, in swampy grounds, Can. to Car., with tough brown twigs, and white, glossy catkins. Leaves 1—3' long, finely serrate except at the end. Sterile aments about J' long, fertile V. Fila- ments white, anthers at length yellow. April. (i. Monadelphia. Barratt. Tree 10 — 151 high. Filaments 3 — 4, half-united. 5. ERiocEPHALA. Michx. WooUy-hcaded Swamp Willow. Branchlets very pubescent, brown or purplish; lvs. lanceolate-elliptic or oblong, cuneate at base, entire or remotely serrulate above, under surface glau- cous or ferruginous, both surfaces pubescent when j'oung, at length the upper surface green and nearly smooth; slip, semicordate, with sharp serratures; avicnts oval-oblong, densely villous. — A small tree, putting forth its large and exceedingly woolly catkins in April. Grows in swamps, N. Eng. 6. S. PRiNoiDES. Ph. Prijios-lcaved Willotv. Branchlets puberulent when young, at length glabro* and dark brown ; lvs. oval-oblong or lance-oblong, glabrous, glaucous beneath, cuneate at base, remotely serrulate, acute or abruptlj' acuminate; stip. semicordate, incisely serrate; a/wrafe preceding the leaves, hairy; oia. ovoid, acuminate, silky; stij. long ; siig. bifid.— Shrub 6— 8f high, N. Eng. to Penn., W. to Mich. Catkins appearing in April, 1 — 2' long. Ovaries distinctly stipitate, tapering at apex into the long, exserted style. 7. S. CRASSA. Barratt. Dense-Jloicered Early Willotv. Lvs. elliptic-lanceolate, rather remotely serrate, entire towards the base, glabrous and dull green above, veiny and clothed with short, ferruginous hairs beneath, adult subcoriaceous ; stip. small, lanceolate, serrate or often wanting; (^ aments ovate, sessile, densely clothed with j'ellowish-white, silky hairs; scales obovate. — A hairy and beautifiil willow, rare in N. Eng. Tree about 15f high, with rough, ash-colored bark. Branches irregular and knotiy, with thick, densely flowered twigs in April. Leaves 3i' by 1'. (^ catkins 1 — 2' long. 8. S. SENsiTiVA. Barratt. Frost or Tender Wilhm. Lvs. ovate-lanceolate, acuminate, cuneate and entire at base, finely serrate at the apex, and more distantly and strongly serrate towards the base, glabrous and rather thin ; slip, subfalcate, serrate ; ^f aments rather lax ; scales rather lax, lightly clothed with grayish-black hairs. — A small tree, about 15f high, found in various parts of N. Eng., &c. The aments and twigs are frequently destroy- ed by Irost at flowering-time, being thinly protected with hairs. Leaves smooth, 3 — 5' by \\ — 2'. Aments IJ' long. Apr. — This and the three next preceding species are very closely allied, as suggested by Mr. Emerson, Rep., p. 262, and it is possible that they may hereafter be united under one species. § 3. Griseje. Borrer. Shrubs uitk branches brittle at base, and an intensely bitter bark. Leaves lariceolate, serrate, grayish-silky beneath, tui~ning black in drying. Aments cylindrical, rather short, preceding the leaves, with 2 or 2 minute leaves at base. Stamens 2, beginning to appear from the middle of the ament. Ovaries grayish-silky. Barratt. 9. S. CRisEA. Gray WillmL'. Lvs. lanceolate, serrulate, acuminate, smooth above, silky beneath ; ■?tip. ovate-oblong, denticulate, deflected, deciduous; scales oblong, hairy, black at the tip ; ova. oblong, pedicellate, silky ; stig. sessile, obtuse. A shrub 6 — 8f high, in inundated meadows. Branches purplish, long and slender, very tough, except at the base, where they are very brittle. Leaves 2 — 4' by § — V 9 aments very abundant, i' long. Apr. 10. S. PETiOLARis. Smith. Long-stalked. Green. Osier. Lvs. lanceolate, serrate, smooth, glaucous beneath, silky at base, mostly unequal, stipules lunate, dentate ; aments appearing before the leaves ; scales lax, obovate, obtuse, hairy, black; ova. on long pedicels, ovate, silky; stig. sessile, Salix. CXXVII. SALICACEiE. 503 two-lobed.— Low gromids, banks of streams, Conn., N. Y.,Car. — A small tree, ■with long, slender, smooth, purplish or yellowish-green, tough and elastic branches, which may be useful in basket-making. 11. S. MYRicolDEs. Muhl. Galc-leaved Willinv. Lis. oblong-lanceolate, acute, with 2 glands at base, obtusely serrate, smooth, glaucous beneath ; slip, ovate, acute, glandular-serrate ; ojnejits villous, black; oia. on long pedicels, glabrous; sty. bifid; stig. bifid. — Swamps, N. Eng. to Va. A small shrub, with green branches, the branchlets purple, smooth. Leaves at length thick and coriaceous, the serratures each tipped with a gland. Apr. 12. S. FusCATA. Pursh. Leaden-fl noered WUlow. Lvs. lanceolate-obovate, acute, glabrous, subserrate, glaucous beneath, in the young state pubescent; slip, very narrow; amcnts nodding; scales obtuse, scarcely hairy within; ova. short, pedicellate, ovoid, silky; if/o-. sessile, 2-lobed. — Grows in pools, swamps and on wet banks, seldom exceeding 3 or 4f in height, distinguished by the leaden hue of its aments. It furnishes excellent twigs for basket-work, and is well adapted for embankments and mill-dams. § 4. ViMiNALEs. Borrer. 13. S. viMiNALis. Basket Osier. Lvs. linear-lanceolate, very long, acuminate, subentirc, silky-canescenl beneath; slip, minute; branches virgate; avients precocious (appearing before the leaves); scales roundish, very hairy; ova. sessile, ovoid; sly. filiform; slig. undivided, acute.— This beautiful willow was probably introduced from Europe. Wet meadows and margins of rivers. Stems 10— I2f high, with long, straight, slender and flexible branches. Leaves often a foot in length, narrow, covered with a snow-white pubescence beneath. Aments very hairy. May. § 5._ Fragiles. Trees. Leaj;es lanceolate or lance-falcate, serrate, denticulate or en- tire. Aments pedunculate, cijlindric, loose, acuminate, cntemporai-y with the leaves; scales greenish-yellow, pubescent or smooth. Stamens 2—5, expanding first frcmi the base of the ainent. Ovary smooth. Barratt. 14. S. PRAGiLis. Crack Willotv. Lvs. ovate-lanceolate, glabrous, whole margin serrate, acuminate, petioles glandular ; slip, semicordate, pointed, dentate ; ova. on .short pedicels, oblong- ovoid, glabrous ; sty short ; slig. bifid, longer than the styles ; scales oblong, about equaling the ovaries, pubescent, ciliate ; (;J' with an abortive ovary. — A tall tree, 60 or 80f high, native in Great Britain. It has a bushy head, with numerous oblique, irregular branches. The twigs break off" at base by a slight touch. The wood is of a salmon-color. 15. S. DECIPIEN'S. Hofflll. Brandies smooth, highly polished; lvs. lanceolate, glabrous, serrate, acu- minate, floral ones often obovate and recurved, petioles somewhat glandular ; slip, small, semi-ovate, acute, dentate, often 0; ova. pedicellate, glabrous, acu- minate ; sty. longer than the 2-cleft stigma.— A small, elegant tree, remarkable for the polished, light reddish-brown twigs, appearing as if varnished. The young twigs stained wtth crimson. It is often set in rows for ornament and shade. IG. S. RussELLiANA. Srn. Bedford Willoio. Lvs. glabrous, lanceolate, tapering to each end, whole margin serrate, very pale beneath, petioles glandular or margined; stip. semi-cordate, strongly ser- rate, acuminate ; ova. glabrous, pedicellate, longer than the scales ; sty. as long as the bifid stigmas; scales narrow-lanceolate, .slightly ciliate. — A large tree, native of Britain, often propagated in this country. It has long, green shoots, long, bright green, serrated leaves. Apr. May. ^ 17. S. Pameachiana. Barratt. Pameachy Willov. Lvs. long-lanceolate, acuminate, with fine cartilaginous serratures, glau- cous beneath ; stip. small, lanceolate, often 0; (^aments cylindrical, lax and somewhat recurved; scales obtuse, yellowish; sta. 2; bark of the twigs smooth, yellowish .-fnd variegated, in flowering time red at the ends.— Grows on the banks of Pameachy river, Middletown, Conn. A tree of small size, inter- mediate between S. decipiensandS.vitellina, but "certainly distinct from either." 43 504 CXXVII. SALICACE^. Salix. 18. S. LUciDA. Muhl. Z/^■5. ovate-lanceolate, long-pointed, rounded at base, smooth and shining ; slip, oblong, serrate ; avienis triandrous ; scales lanceolate, obtuse, serrate and smooth at the tip, hairy at the base ; avaries lanceolate-subulate, smooth ; style bifid ; stigmas obtuse. — A small and beautiful tree^ommon in N. Eng., Middle States, Mich, and British Am. Trunk 12 — 15f high, 3 — 4' diam. Branches smooth, dark, .shining green. Leaves broad and glossy, dark green above, tapering to a long point. May. 19. S. NIGRA. Marshall. Black Will-ow. Lts. lanceolate, acute at each end, serrulate, smooth and green on both sides, petiole and midvein above tomentose ; slip, dentate ; ameiits erect, cylin- dric, villous ; scales oblong, very villous ; fil. 3 — 6 (generally 5), bearded at base ; ova. pedicellate, ovoid, smooth ; sty. very short ; stig. bifid. — A small tree, on the banks of rivers, chiefly in N. Y. and Penn. Branches very brittle at base, pale yellow. The trunk has a blackish bark. Sterile aments 3' long. May. 20. S. PuRSHiANA. Spreng. (S. falcata. Hook.) Pursh's Willmv. Lvs. very long, lance-linear, often falcate, gradually attenuate to the apex, acute at base, finely dentate-serrate, smooth on both sides, silky pubescent when yomig; stip. somewhat lunate or obliquely reni form-cordate, dentate, reflexed ; ova. glabrous, pedicellate ; sly. short. — Readily recognized by its very long, fal- cate leaves and the broad persistent stipules. Grows in swamps and margins of ponds, Middle States, N. Eng., Western States, Can. It is a .shrub orsmall tree, with a slender trunk sometimes 30 or 40f high. Leaves green both sides, 6 — 8' long. Aments 2' long. § 6. Albeje. Borrer. Trees of the largest size, with lanceolate, serrate leaves, the serratnres glandulnr, loxcer surface dollied with long, appressed, silky hairs, often the upper also, giving to tlie foliage a whitish or bluish hue. Aments la.v. Stamens 2. Ovaries glabrous. 21. S. ALBA. Wliite Willaw. Lvs. elliptic-lanceolate, regularly glandular-serrate, silky beneath, often above, acute at apex ; ova. ovoid, acuminate, glabrous, subsessile ; stig. short, recurved, deeply cleft ; sta. 2, with hairy filaments ; scales short, pubescent at the margin. — A large tree of rapid growth, native of Europe, introduced in Mass. (E)?icrson) and probably in other states. /S. cwrulea. {Blue WiU(m\) Z/!'.'!. of a bluish hue, less silky beneath. — A tree of rapid growth, completely naturalized in Mass. Emerson 22. S. viTELLlNA. Yelloro Wilhnn. Golden Osier. Lvs. lanceolate, acuminate, with thickened serratures, smooth above, paler and somewhat silky beneath ; slip. 0 ; aments cylindric ; scales ovate-lanceolate, pubescent outside ; ova. sessile, ovate-lanceolate, smooth ; stig. subsessile, 2-lobed. — This willow was probably introduced, but is now very common by roadsides, &c. It is a tree of moderate height, with shining yellow branches. May. 23. S. Babylonica. Babylonian or Weeping Willov.\ Brandies pendulous ; lvs. lanceolate, acuminate, smooth, glaucous beneath , slip, roundish, oblique, acuminate ; oxa,. sessile, ovate, smooth. — This elegant species has been introduced from the East, and cultivated until nearly natural- ized. The long, slender, drooping branchlets very naturally indicate" the Eng- lish name of the tree, and give it a place in the church-yard to " weep" over the remains of the departed. The Latin name was happilv suggested to Linnasus by the 137th Psalm: " By the rivers of Babylon there we sat down : Yea, we wept, when we remembered Zion. We hanged our harps upon the willows in the midst thereof." § 7. FuLv.E. Borrer. 24. S. ROSTRATA. Richardson. Beaked- Willmu. Branches erect, straight, pubescent, at length smooth ; lvs. broadly or obo- vate-lanceolate. acute, subentire, at length coriaceous, smooth above, glaucous- pubescent beneath ; s//p. semicordate, dentate ; aments shoxi, cylindric, dense, the lertile ones becoming very long and loose ; scales oblong, membranous, hairy at Salix. CXXVII. SALICACE^. , 505 the apex ; ova. narrow-lanceolate, silky, long-acuminate, on very long pedicels ; shj. very short ; stig. lobed, the lobes bifid or entire.— Shrub or small tree 8— lOf high. Bark of the trunk dark-colored, of the branches yellow. § 8. CoHDATjj. Tall shrubs with dicholomoiis, Jlexuous, smooth branches. Leaves cordate or attenuate at base, glabrous. Stipules semi-cordate, serrate. Aments slightly pedunculate, ovoid-cylindrical, cotemporary ; scales subciliate, red or yellowish. Sta- mens 2 or 3. Ovaries pedicellate, glabrous. Barvatt. 25. S. coRDATA. Heart-leaved Willow. Lvs. oblong-lanceolate, acuminate, cordate at base, smooth; slip, large, roundish-ovate, serrate; aTuents triandrous; scales lanceolate, woolly, black; ova. pedicellate, lanceolate, smooth ; sty. very short ; stig. bifid. — An elegant shrub, 6 — 8f high, in swamps throughout the Middle States. Branches green and smooth, with light green leaves an inch wide and 3' long. Aments an inch long, accompanying the leaves in April and May. 2(j. S. RiGiDA. Stiff-kaved Willaw. Lvs. oblong-lanceolate, acuminate, subcordate, rigid, smooth, coarsely ser- rate, the lowest serratiu-es elongated, petioles villous ; slip, large, cordate, obtuse, glandular-serrate ; aments triandrous ; scales lanceolate, woolly, black ; ova. on long pedicels, lanceolate, smooth ; sty. very short ; stig. 2-parted. — A small tree, 10 — 15f high, growing in swamps. Branches green, red towards the end, the yoimger ones pubescent. Much used in basket-making. April, May. 27. S. ToRREYANA. Barratt. Torrey's Willow. Lvs. cordate-ovate, sharply pointed, margin wavj'', finely serrate, paler beneath ; slip, large, seniicordate ; (^ aments slender, scales lanceolate, black- ish, ciliate ; sta. 2 ; fit. rather short ; ova. on short pedicels, smooth, deltoid- lanceolate ; stig. 4-parted, flesh-colored ; caps, green. — A fine, shrubby willow, 6 — lOf high, river banks, N. Eng., recognized by its broad, heart-shaped, glossy leaves with a wa\y margin, sharp point, and very large stipules. Branches of a light gray color, branchlets yellowish-green. Apr. 28. S. LONGiFOLiA. Muhl. Long-leaved Willmo. Lvs. linear, acuminate at each end, elongated, remotely toothed, smooth, nearly of the same color on both sides ; slip, lanceolate, dentate ; aments tomentose, pedunculate ; sta. 2 ; scales flat, retuse ; Jil. bearded at base, twice longer than the scales. — River banks from the Conn, and Ohio to Oregon and Brit. Am. It possesses a remarkable power of rooting, extending itself and binding the loose sands together. Stem.s about 2f high, with brown branches and white branchlets. 29. S. ANGUSTATA. Ph. Narrov)-leaved Heart Willovj. Lvs. lanceolate, acute, very long, gradually attenuated at base, very gla- brous, serrulate, nearly the same color both sides ; stip. semi-cordate ; aments erect, somewhat glabrous ; ova. pedicellate, ovoid, glabrous ; sty. bifid ; stig. 2-lobed. — Banks of streams from the Conn, to the Miss. An excellent osier, with very long and slender twigs, long and narrow leaves. § 9. Ahbuscul^. Small shrubs, inhabiting arctic or alpine regions. Aments cotem- porary with the leaves. 30. S. HERBACEA. Herb Willow. Arctic Willow. Dwarf; lvs. orbicular, serrate, glabrous, veiny; aments few-flowered, ses- sile; scaZes small, glabrous; ovaries sessile, lanceolate, glabrous; style short; stig. lobes bifid. — On the alpine regions of the White Mountains ! N. to Lab. and the Arc. Islands. An interesting little shrub, the smallest of its tribe. Stem ascending, 1 — 2' high. Leaves about 3" diameter, smooth and shining on both sides. Stipules wanting. Roots long, creeping, branching. Jn. Jl. 31. S. MYRTiLLolDEs. (S. pcdiccllaris. Ph. and auct. Am.') Lvs. oblong-elliptic, acute or obtuse, rather obtuse at base, entire, both sides glabrous, beneath glaucous and reticulate-veined; aments pedunculate; caps, ovate-conic, glabrous, long-pedicellate ; scales short, obtuse, a little hairy ; sty. very short; lobes of the stigma cleft. — Swamps, N. Eng. and N. Y. A low and elegant shrub, with rather a virgate habit, remarkable for its entire smooth- 506 CXXVII. SALIC ACE^E. Popolus. ness. Leaves elliptical, revolute at edge, obtuse at base, somewhat glaucous beneath. 33. S. AMBiouA. Ehrh. Dubious Willoiv. Lvs. elliptical, obov^ate or lanceolate, recurved at the point, entire or remotely denticulate, rugose-veiny beneath, silky-villous, at length glabrous ; stip. semi-ovate, straight ; amenls sessile, briefly pedunculate in fruit ; caps. tomentose, long-pedicellate ; sty. short ; stig. emarginate. — White Mts. 'Pucker- man. A prostrate shrub, with leaves about IJ' by A'. 33. S. PHYLICirOLIA. Lvs. ovate or lanceolate, remotely repand-serrate, glabrous, glaucous beneath ; stip. semicordate, oblique at apex ; anients bracteate, ^ sessile ; caps. pedicellate, conical-elongated, somewhat silky ; sty. long. — White Mts. Tuck- erman. A handsome, low shrub, spreading, with broad-elliptical, very smooth leaves, the margins repand-serrate. 34. S. CuTLERi. Tuckerman. (S. Uva-ursi of \st. edit., etc. ?) Cutler's Willoiv. — Lvs. elliptical, acute or obovate, obtuse at base, glandular-den- ticulate, smooth above, glaucous-smoothish beneath, silky-villous when young; aments pedunculate, cylindric, dense ; caps, ovate-cpnic, briefly pedicellate, gla- brous ; scales obovate, black, silky ; stig. bifid, lobes at length cleft. — White Mts. Tuckerman. A low or prostrate shrub. 2. POPtJLUS. Lat. populus, the people ; being often planted by the public ways. Aments cylindric ; bracts lacerately fringed ; calycine scales tur- binate, oblique, entire. <^ Stamens 8 — 30. 9 Ova. superior ; style very short, bifid ; stigma large, 2-lobed ; caps. 2-valved, 2-celled. — Trees of large dimensions. Wood soft and light. Lvs. broad., petioles long, often compressed vertically and glandular. Aments lateral, preced- ing the leaves. \. P. TREMiTLoiDES. American Aspen. White Poplar. Lvs. orbicular-cordate, abruptly acuminate, dentate-serrate, pubescent at the margin. — Abundant in N. England and in the Middle States, growing in woods and open lands. Stem 25 — 40f in height, with a diameter of 8 — 13'. Bark greenish, smooth except on the trunk of the oldest trees. Leaves small (2 — 2 J' long, and 1} as wide , dark green, on petioles which are 2 — 3' long and laterally compressed, so that they can scarcely remain at rest in any position, and are thrown into excessive agitation by the slightest breeze. The trembling of the " aspen leaf" is proverbial. Aments plumed with silken hairs, about 2' long, pendulous, appearing in April, long before the leaves. The wood is white, soft and light, of little value. 2. P. GRANDiDENTATA. Michx. Large Poplar. Lvs. roundish-ovate, acute, with large, unequal, sinuate teeth, smooth, villous when young. — Woods and groves in the northern parts of the U. S., less common than the preceding species. Stem 40f high, with a diameter of If, straight, covered with a smooth, greenish bark. Branches distant, coarse and crooked, clothed with leaves only at their extremities. Leaves 3—5' long and nearly as wide, clothed with thick, white down in spring, but becoming perfectly smooth. The wood is white, soft, and quite durable. May. 3. P. BETULiFOLiA. Ph. (P. Hudsouica. Michx.) Birch-leaved or Black Poplar. — Lvs. rhomboidal, long-acuminate, dentate, smooth ; young branches pilose. — This poplar is found chiefly in the valleys of the Hudson and Connecticut. It is a tree of middle size, with grayish-white twigs, and dark brown buds. Leaves 3^' long and 2 broad. Aments 4 — 5' long, without hairs. April. 4. P. BALSAMiFERA. Bolsom Poplar. • Lvs. ovate-acuminate, with close-pressed serratures, white and reticulate- veined beneath; buds resinous.— The balsam poplar, though nowhere abun- CXXVlll. BALSAMIFLUvE. 50? dant, is found in woods and fields, disseminated throughout N. England and Canada. With a trunk 18' diam., it arises 60— 70f. The buds of this species, as well as of most of the poplars, are covered with an aromatic resin, which may be separated in boiling water. April. 5. P. MONiLiFER.i. Ait. Necklace Poplar. Lvs. subcordate-deltoid, smooth, glandular at base, with cartilaginous hairy, hooked serratures; veins spreading; petioles compressed above; older branches terete ; fertile aments long and pendulous. — Banks of the Hudson near Troy, N. Y., apparently native. Beck. A tree 60 — 70f high, with a cylindric trunk. Leaves 2i — 4' diam., on long petioles. April. 6. P. HETEROPHYiXA. Various-leavcd Poplar. Lvs. roundish-ovate, obtuse, uncinately toothed, cordate and somewhat auricled at base, the sinus small, tomentose when young. — A tree 60 — 70f high, found in swamps. Branches cylindric. Leaves with auriculate lobes at base| which often conceal the insertion of the petiole. May. 7. P. CANDiCANs. Ait. Balm-of-Gilead. Lvs. ovate-cordate, acuminate, obtusely and unequally serrate, whitish beneath, reticulate-veined, somewhat 3-veined ; petioles hirsute ; buds resinous ; branches terete. — This tree is sometimes met with in New England, growing about houses as a shade tree. It is 40 — 50f high, and 18 — 30' in diameter. Bark smooth, greenish. Foliage copious, dark green. Apr. 8. P. L^viGATA. Ait. (P. Canadensis. Michx. and \st. edit.) River Poplar. Cotton Tree. — Lvs. roundish-ovate, deltoid, acuminate, subcordate, ime- qually serrate, shining, smooth, glandular ; ^e^iofes compressed ; younger brandies angled. — The cotton-tree grows 70— 80f high in N. Y. and Vt. The fertile aments are 6 — 8' long, and pendulous. The seeds are clothed with a white, cotton-like down which gives name to the tree. Buds sealed against the frosts and rains with resin. April. 9. P. ANGULATA. Water Poplar. Western Cotton Tree. Lvs. ovate-deltoid, subcordate, uncinate-serrate, acuminate, glabrous, younger ones broadly cordate ; branches winged, angular.— A tree of noble di- mensions, growing along tlie rivers of the Southern and Western States. Trunk 40— 80f high, 1— 2f diam., bearing a broad smnmit, with coarse branches and branchlets. Leaves on adult trees 2—3' long, about the same width, truncate at base ; on younger trees they are 2 or 3 times larger, with a cordate base. Petioles longer than the leaves, compressed near the base of the lamina. Branch- lets remarkably thick, greenish, .spotted with white, striate. Buds short-ovoid green, not coated with resin. Timber not valuable. March, April. 10. P. DiLATATA. Lombardy Poplar. — Ijvs. smooth, acuminate, deltoid, ser- rate, the breadth equaling or exceeding the length ; trunk lobed and sulcate. — This tree is native in Italy as its name imports. It was early brought to this country, and has been planted about many a dwelling and in village streets. Its rapid growth is the only commendable quality it possesses, while the huge worms by which it is often infested render it a nuisance. 11. P. ALBA. Abcle or Silver-leaf Poplar. — Lvs. cordate, broad-ovate, lobed and toothed, acuminate, dark green and smooth above, very white-downy be- neath ; fert'de aments ovate ; stigmas 4. — A highly ornamental tree, native of Europe. Nothing can be more striking than the contrast between the upper and lower surface of the leaves. Order CXXVIII. BALSAMIPLU.^.— Liquidambars. Tre.es with alternate, simple or lobed leaves, with glandular serratures and deciduous stipules .Aments raonacious, roundish, with achlamydeous tiowers. Sterile.— Anth. numerous, oblong, subsessile, with scales intermi,xed. fertile.— Ova. 2-celled, collected into a globe, each surrounded bv a ftw scales. StJjles 2. long. Fr. a kind of strsbile, composed of the indurated scales and capsules. Caps. 2-beaked, 2-celled, opening between the beaks. Sds. several, winged. Genus I, species 3, natives of India. Levant and North America. The fragrant resin, liquid storax, the product of some of the species. 13* 508 CXXX. URTICACE^. LiaUIDAMBAR. l^t. llquidam, fluid, ambar ; a resin resembling ambar flows from the bees. Character of the genus the same as that of the order. L. sTYRACiFLUA. Sioeet Gum. I/vs. palmate, with acuminate, serrate lobes ; veins villous at their bases. ^The sweet gum or gum-tree is thinly disseminated throughout the U. S. With a diameter of 5f it arises to the height of 60. The trunk is covered with a deeply furrowed bark. The young twigs are yellowish, putting forth leaves of a rich green, which are deeply divided into 5 lobes more regularly formed than those of the rock maple. The fruit is in a globular, compact ball, suspended by a slender pedicel, consisting of numerous capsules, each con- taining 1 or 2 seeds. When wounded in summer, a gum of an agreeable odor is distilled from the trunk. May. Order CXXIX. PLATANACE^.— Sycamores. Trees and shrubs, with alternate, palmately lobed leaves and sheathing, scarious stipules. .4OT«nrsmonceciou9, globose, with achlamydeous flowers. „ , ,• Sterile —Sta. single, with only small scales intermixed. Antn. 2-ceUed, linear. Fertile.— Ova. terminated by a thick style with one side stigmatic Fr.— Nut clavate, tipped with the persistent, recurved style. Seed, sohtary albuminous. Genera 1, species 6 ? Trees of the largest dimensions, natives of Barbaiy. Levant and N. America. platAnus. Gr. nXarvs, broad ; in reference to the ample foliage. Character of the genus the same as that of the order. P. occiDENTALis. Pla/ie Tree. Button-wood. Sycamore. Lws. lobed, angular ; branches whitish. — The plane-tree is a native of all the U. S., and is by far the largest (though not the loftiest) tree of the American forest. On the margins of the great rivers of the West, trees are found whose trunks measure from 40 — 50f in circumference, or more than 13f in diameter! In N. England it also grows to magnificent dimensions. It flourishes in any soil but is most frequently met with on the stony borders and beds of streams. Leaves very large, tomentose beneath when young. Flowers in globular aments or balls, which hang upon the tree on long pedicels most of the winter. The bark is yearly detached from the trunk in large scales leaving a white surface beneath. May. Order CXXX. URTICACE^.— Nettleworts. Trees and shrubs, with a milky juice, or herbs with a watery juice. ,. , . Lvs alternate or opposite, rough or covered with stinging hairs, otten stipulate. Fls. monoecious, dicscious, or polygamous, in panicles, amenta or dense heads. Cal. membranous, lobed, persistent. ■. •. i u Sta. definite, distinct, inserted into the base of the calyx and opposite its lobes. Ova. free, simple, 1-ovuled. Style I. a u i Pr. aoheniura or utricle, surrounded by the membranous or fleshy calyx. Genera 56, species 540, widely diffused throughout the world. Pro7)6rr;&s— The juice is almost always deleterious, sometimes in a high degree. _ It contains caOMr- chotic The celebrated Bohmi Upas, the most deadly of all poisons, is the concrete juice o( Antians toxi- o^ria of the Indian Archipelago. Its poisonous property is said to be due to the presence ot strychma. Meanwhile the famous cow tree of S. America yields a copious supply of mi k which is rich and whole- some G!(OT /ac is obtained abundantly from Ficus Indicii- The renowned Banj/aw free is Ficus reli- eiosa' In this order are also found many excellent fruits. Figs are the fruit of Ficus Carica, &c Bread fruit is the compound fruit of Artocarpus: mulberries ofMorus nigra. Fi<5nc, a yellow dye, is the wood ofM tinctoriaofS America. The use of /!«np in the manufacture of cordage is well known, as are likewise the uses of the hop. The nettles are remarkable for their stinging, venomous hairs. This order is composed of four principal suborders, viz. Artocarpeoe, Morecc, Urtuxx, and Cannabtnets, of which the three last are represented in the following genera. Conspectus of the Genera. fFruit a compound, fleshy, purple berrj' Morus. 1 J Fruit simple, fleshy, dark red, smiill Broussonetia. 2 1 Fruit a large, compound, yellow globe Madura. i Trees and shrubs. I Fruit a fig! ,„•.-,• r„ ■ i j fw'*;, 1 J Fertile cal. 2-sepaled. Urtica. 5 i Fls. spicate or paniculate. ( Fertile calyx 0. . Bcehmeria. 6 f, Lvs. simnle. Sta. 4. ( Flov/ers caiiitate, involucrate Parietaria. 7 ^ erect. ^Leaves palmately 5 -7-foliate. Stamens 5 Cannabis. 3 Herbs X climbing, ditrcious. Stamens 5. Fertile flowers in aments. . . . Humulua. 9 Maolura. CXXX. URTICACEiE. 509 Section I. MOREJE. Shrubs or trees with a milky juice. Fruit fleshy, composed of the fleshy calyx or receptacle. 1. MORUS. Celtic mor, black ; the color of the ftuit of some of the species. Flowers t? , rarely d' V — d^ in loose spikes ; calyx 4-parted. 9 in dense spikes ; calyx 4-parted ; styles 2 ; achenium compressed, en- closed within the baccate calyx ; spike constituting a compound berry. — Trees with alternate, generally lobed leaves. Fls. inconspicuous. 1. M. RUBRA. Red Mulberry. Lis. scabrous, pubescent beneath, rounded or subcordate at base, equally serrate, acuminate, either ovate or 3-lobed; /e/-^T7e5^2'tecylindric; fr. dark red. — This tree varies greatly in height according to its situation. In "New England, where it is not very common, it is but a shrub 15 — 201 high. In the Middle and Western States, it attains the elevation of 50 — 60f, with a diameter of 2f. Trunk covered with a grayish bark, much broken and furrowed. Wood fine- grained, strong and durable. Leaves 4 — 6' long, § as wide, entire or divided into lobes, thick, dark green. Flowers small. Berries of a deep red color, compounded of a great number of small ones, of an agreeable acid flavor. May. 2. M. ALB.4. IVhite Mulberry. — Lvs. nearly glabrous, cordate and oblique at base, unequally serrate, either undivided or lobed ; fr. whitish. — Native ot Chi- na. Cultivated for the sake of its leaves as the food of silk worms. A tree of humble growth. Leaves 2 — 4' long, | as wide, acute, petiolate. Flowers green, in small, roundish spikes or heads. Fruit of a yellowish-white, insipid. p. miilticaulis. ( Chinese Mulberry.) Lvs. large (4 — 7' long, f as broad). — Shrub. 3. M. NIGRA. Black Mulberry. — Lvs. scabrous, cordate, ovate or lobed, obtuse, unequally serrate ; fertile spikes oval. — Native of Persia, cultivated for ornament and shade, in this as well as in many other countries. Fruit dark red or black- ish, of an aromatic, acid flavor. 2. BROUSSONETIA. L'Her. In honor of P. N. V. Broussonet, a distinguished French naturalist. Flowers cf9. — cf Ament cylindric ; cal. 4-parted. 9 Ament glo bose ; receptacle cylindric-clavate, compound ; cal. 3-4-toothed, tubu- lar; ovaries becoming fleshy, clavate, prominent; sty. lateral; seed 1, covered by the calyx. — Trees, from Japan. B. PAPYRiPERA. Paper Mulberry. — Lvs. of the younger tree, roundish- ovate, acuminate, mostly undivided, "of the adult tree 3-lobed ; /r. hispid. — A fine, hardy tree, occasionally cultivated. It is a low, bushy headed tree, with large, light green, downy leaves, and dark red fruit a little larger than peas, with long, purple hairs. 3. MACLCRA. Nutt. Dedicated to WiUiam Maclure, Esq., of the U. S., a distinguished geologist. Flowers (^9. — d^ in aments. Calyx 0 ; ova. numerous, coalescing into a compound, globose fruit, of 1 -seeded, compressed, angular, cu- neiform carpels ; sty. 1, filiform, villous. — A lactescent tree, with decid- uous,, alternate, entire, ex-stipulate leaves, and axillary sjnties. M. AURANTiACA. Nutt. Osage Orange. A beautiful tree, native on the banks of the Arkansas, &c. Leaves 4 — 5' by li — 2i', glabrous and shining above, strongly veined and paler beneath, on short petioles, ovate or ovate-oblong, margin obscurely denticulate, apex suba- cuminate, rather coriaceous. The fruit is about the size of an orange, golden- yellow when ripe, suspended by an axillary peduncle amid the dark glossy 510 CXXX. URTICACEiE. Urtioa. leaves. No tree cultivated in our climate can surpass this in richness and beauty. 4. FICUS. Gr. ovKTt- hat, Jicus. Celtic, figv^ren. Teuionic'yfiege. Anglo-Sa.\on, ^c. English, .^ff. Flowers in branching, clustered, axillary, interrupted spikes longer than the petioles. — % Waste places, common. Stem 2 — 4f high, branching, obtusely 4-angled, with opposite, short-stalked leaves which are 3 — 4' long, and about J as wide. Flowers small, green, in axillary clusters, of mean aspect, corresponding with the insidious character of the plant. " Its power of stinging resides in minute, tubular hairs or prickles, which transmit a venomous fluid when pressed." Bigeloiv. July, Aug. 3. U. PROCERA. Willd. Tall Ncttte. St. tall, simple, 4-sided, slightly hispid; Ivs. lanceolate, rough, hispid, prominently 5-veined, acutely serrate ; panicles axillary, very branching, nu- merous, interruptedlv spicate, lower ones sterile, upper fertile. — Borders of fields, waste places, N. H., &c. Stem 3— 5f high, with a tough bark. Leaves densely strigose-hispid, serratures incurved, acute at each end, or somewhat acuminate at apex, 3 times longer than the petioles. Flowers small, green, in glomerate panicles, on the upper part of the stem. July. — Does not sting. 4. U. PUMiLA. Richioeed. Stinglcss Nettle. St. ascending, often branched, weak and succulent; lis. on long petioles, rhombic-ovate, crenate-serrate, membranaceous and glabrous -Jls. ^ , triandrous, in corymbed heads shorter than the petioles. — % In waste places, about build- ings, and in woods, U. S. and Can. Stem fleshy, semi-transparent when grow- Cannabis. CXXX. URTICACEiE. 511 ing in shades, smooth and shining. Leaves on long petioles, especially the lower ones, smoothish, about 2' long and J as wide. Flowers in short heads or corymbs, axillary. A species without stings. Aug., Sept. 5. U. URENS. Burning or Dwoj-f Ndtle. Lvs. broadly elliptic, about 5-veined, acutely serrate ; cliis/ers glomerate, by pairs. — (T) Weed, in cultivated grounds. Stem 1-2 — 20' high, hispid with venomous stings, branching. Leaves 1 — 2' long, f as broad, on short petioles and with large serratures. Stipules small, lanceolate, reflexed. Flowers in drooping, pedunculate clusters about as long as the petioles, both the sterile and fertile in the same axil. Rare. June, July. ^ 6. S. GRACILIS. Ait. Slender Nettle. St. erect, strict, sparingly hispid; Ivc. ovate-lanceolate, subacuminate, coarsely and somewhat doubly serrate, 3-veined, smoothish above, hispid be- neath on the veins; spikes elongated, pinnately branched, a little shorter than the leaves ; Jls. glomerate. — Tj. Northern and Western States, and Brit. Am. Stem 2 — 3f high. Flowers minute, green. July, Aug. 6. BCEHMERIA. Willd. Named for G. F. Bcehmer, a. German botanist. Flowers c? or c? 9. — c? Calyx 4-parted, with lanceolate, acute seg- ments ; stamens 4. 9 achlamydeous ; ovary and style 1, in the axil of a bract ; achenium compressed, margined. — Herbs or shrubs, nearly allied to Urtlca. Lvs. opposite or alternate. Fls. clustered. B. CYLiNDRiCA. (Urtica cylindrica and capitata. Linii.) False Nettle. Herbaceous; lvs. opposite, ovate-lanceolate, acuminate, dentate, smooth; Jls. J* 9 ; sterile spikes glomerate, interrupted, /CTVzYe cylindric. — A coarse, nettle- like plant, in swamps and bottoms. Mid. and Western States ! Stem slender, obtusely 4-angled, channeled on each side, 2 — 3f high. Leaves 3-veined, 3 — 5' long, J as wide, on long petioles. Flowers minute, the I'ertile ones in axillary, cylindric spikes, 1 — 2' in length, the barren spikes rather longer and more slender. July, Aug. /?. Spikes shorter, subcapitate ; petioles somewhat shorter, y. (B. lateriflora. MiM.) Lvs. roughish ; 5^/te longer and much interrupted. 7. PARIETARIA. Lat. paries, a wall ; some of the species prefer to grow on old walls, &c. Flowers monoecious-polygamous, in clusters surrounded by a many- cleft involucre ; calyx 4-parted ; stamens 4, at first incurved, then expanding with an elastic force ; ovary and style 1 ; achenium pol- ished, enclosed within the persistent calyx. — Herbs ivith usually al- ternate leaves. Clusters of green Jioicers axillary. P. Pennsylvanica. Pellitorij. Lvs. oblong-lanceolate, veiny, tapering to an obtuse point, punctate with opaque dots ; iiivol. longer than the flowers. — (T) A rough, pubescent herb, found in damp, rocky places, Vt., N. Y., W. to Wise. ! &c. Stem erect, simple or sparingly branched, 6 — 12' high. Leaves alternate, entire, hairy and rough, about J' wide and 3 or 4 times as long, petiolate, and ending with an obtuse acumination. Segments of the involucre about 3, lance-linear. Flowers dense, greenish and reddish-white. Rare. June. Section 3. CANNABINEJE. Herbs, erect or twining, with a watery juice, c? racemose or panicu- late, 9 in a cone-like ament. Albumen 0. 8. CANNABIS. Arabic ganei, hemp. Flowers c? 9- — c? Calyx 5-parted. 9 Calyx entire, oblong-acumi- nate, opening longitudinally at the side ; sty. 2 ; ach. ? 2-valved, en- 513 CXXX. URTlCACEiE. Humlxus, closed within the persistent calyx. — ® Lvs. opposite, digitate. Fls. axillary, 8" in cymose panicles, $ in sessile spikes. C. sATiVA. Hemp. Lvs. palmately 5— 7-foliate.— The hemp was introduced originally from India, but it springs up spontaneously in our hedges and waste grounds. It is a tall, erect plant, with handsome petiolate leaves. Leaflets lanceolate, serrate, 3 — 5' long, \ as wide, the middle one the largest. Flowers small, green, soli- tary and axillary in the barren plants, spiked in the fertile ones. It is cultivated in many countries for the sake of its fibre, which is stronger than that of flax, and is the best of all materials for cordage and sail-cloth. The seeds are nutritious, but the leaves are stimulant and narcotic, producing intoxica- tion. June. § 9. HUMULUS. Lat. humus, moist earth ; the hop grows only in rich soils. Flowers c?9. — S" Calyx 5-sepaled ; stamens 5; anthers with 2 pores at the summit. 9 Bracts imbricate, large, entire, concave, persistent, 1 -flowered; calyx membranous, entire, persistent; styles 2 ; achenium invested by the thin calyx. — %- tioining icith the sun. Lvs. opposite. Fls. in axillary panicles and strobile-like ainents. H. LUPULUS. Common Hop. The hop vine is found wild in hedges, &c., throughout this country, and is, as every one knows, extensively cultivated for the sake of its fertile aments, which are chiefly used as a preservative in beer. It has a long, annual stem of rapid growth, always twining with the sun, rough backwards with reflexed prickles. Leaves very rough, generally 3-lobed, deeply cordate at base, on ong stalks. Flowers of the barren plants extremely numerous, panicled, greenish ; those of the fertile, in aments with large scales. In the cultivation of the hop it has been found 'profitable to plant a few layers of the barren vines among the lertile ones, as the produce is thus increased in Aveight through the fertilization of the seeds. Aug. CLASS II. GYMNOSPERMS. Ov^ULES not enclosed in an ovarj, fertilized by the pollen without the intervention of a pistil, and becoming truly naked seeds, the carpel being represented by a flat open scale or entirely wanting. EsiBE-YO with 2 opposite, or several whorled cotyledons. Order CXXXI. CONIFEK^.— Conifers. Trees or evergreen shrubs, with branching trunks, abounding in a resinous juice. Lvs. scattered or fascicled, hnear or acerose (rarely lanceolate), parallel-veined, rigid, generally evergreen. FIs. monoecious or dioecious, destitute of calyx or corolla. Sterile, monandrous or monadelphous, collected in a kind of loose ament. Anth. 2 or many-lobed, often tipped with a crest. Pollen large, usually compound. Fertile, in aments composed of open, scale-like carpels, or solitary and without a carpel. Ovartj, sti/le and stisma wanting. Ovules 1, 2 or many, erect or inverted. Fr. — A stroliile (cone), or a solitary seed. Integutnents hard and crustaceous. Emhryo in the axis of oily albumen. Genera 29, species 150, natives of all climates, but most abundant in the temperate zones, those of the southern, however, very different from the pines, spruces, larches and cedars of the northern. Properties— Few orders can be named, which are of more importance to mankind, whether in refer- ence to their invaluable timber or their resinous secretions. Turpentine, tar, pitch and resin are the product of ihe pines. Burgundy pitch is yielded by Pinus sylvestris of Europe ; Venetian turpentine, by the Larix ; oil of Savin by Juniperus Sabina of Europe, &c. FIG. St.— 1. Branch of Thuja occidentalis, with strobiles. 2. A magnified branchlet with a cone of staminate flowers. 3. A carpellary scale with the two winged seeds. 4. A vertical transverse section of one of the seeds, siiowing the embryo, &c. 5. The immature, erect ovules. 6. One of the ovules, enlarged, showing the micropyle at top. 7. Branch of Abies Americana. 8. Scale, with the bract. 9. Scale with immature ovules, lo. Scale with ripe seeds. U. A pair of leaves of Pinus resinosa. 12. Anther oi Pinus sylvestris. 13. Scale of ths cone, with the ovules turned downwards. 14. Staminate scale of Cupreyrsu.^. with pollen. 13. Fertile scale, with manv erect ovules. 514 CXXXI. CONIFERS. Pinus. Conspectus of the Genera. S Scales thick and bliint at ed^. . Pinw. 1 ( Leaves linear or acerose. . . ( Scales thin and even at edge. . Abies. a s \ Fertile scales 4— 8-ovuled. . . Cupressua. 3 ( a woody cone. ( Leaves scale-like, imbricate. ( Fertile scales 2-ovuled. . . . Thuja. 4 < a fleshy berry with 3 bony seeds. Leaves mostly acerose. .... - Jumperui.S Fnut ( a fleshy drupe with a single seed. Leaves linear, 2-ranked Taxus. 8 Tribe 1. ABIETINE.J3. Flowers J* ^ 9- — c? aments numerous, deciduous. Scales peltate, each bear- ing 2 sessile, 1-celled anthers. 9 Strobile ovoid; carpellary scales closely imbricated, each bearing a pair of ovules adhering to the base inside, and subtended by a bract outside ; fruit a woody strobile or cone ; seeds winged, cotyledons 2 — 15. 1. PINUS. Celtic pin or pen, a. rock or mountain ; many species of this noble genus prefer such situations. Strobile large, conical ; carpellary scales thickened at the summit, becoming strong and woody in fruit ; cotyledons 4 — 8. — Trees, often of the loftiest dimensions. Branches oftenverticillate. Leaves evergreen, acerose, in fascicles of 2 — 5, each fascicle invested with a membranous sheath at base. 1. P. REsiNosA. Ait. (P. rubra. Michx.') Norway Pine. Red Pine. Lvs. in pairs, channeled, elongated, witn elongated sheaths; cones ovoid- conic, rounded at the base, subsolitary, about half as long as the leaves ; scales unarmed, dilated in the middle. — It abounds in the northern parts of the U. S. and in Canada, attaining the height of 80f, with a trunk 2f in diameter, very straight and uniform. Bark smoother, and of a clearer red than other pines. Leaves chiefly collected towards the ends of the branches, always in pairs, 5 — 8' in length, the sheaths h — \\'. This pine affords a fine-grained, resinous timber of much strength and durability, and highly valued in architecture. Ma}'. 2. P. Banksiana. Lambert. (P. rupestris. Mich.v.) Scriib Pine. Lvs. in pairs, rigid, curved, acute, terete upon the back and channeled above, margins somewhat scabrous ; cones ovate-acuminate, recurved, tortuous; scales unarmed, obtu.se, smooth. — A small tree, with long, spreading, flexible branches, abounding in barrens, in Me. and British America. Leaves about an inch in length. Cones nearly twice as long as the leaves, usually in pairs. April, May. 3. P. iNOPs. Ait. Jersey or Scrub Pine. Livs. in pairs, rather short, obtuse, rigid, channeled above, terete beneath, margins obscurely serrulate ; cones recurved, ovoid-oblong, as long as the leaves; scales of the cone compact, obtuse at base, with a straight, subulate point. — A tree 15 — 25f high, on barrens in the Middle States. Branches strag- gling, and, with the trunk, covered with a rough, blackish bark. Leaves 1 — 2' long. The wood abounds in resin. May. 4. P. VARiABiLLs. Lamb. (P. mitis. Michx. /.) Yellov) Pine. Spruce Pine. — L/cs. 2 — 3 together, channeled on the inner surface; cones ovoii, subsolitary ; scales armed with short, incurved spines. — Widely diffused through- out the country, attaining the height of 50 — 60f. Leaves dark green, 5 — G' long, covering the "branchlets. Cones 2 — 3' long, rugged with the projecting point of the scales. It furnishes close-grained and moderately resinous timber, which is used in immense quantities for all kinds of architecture. May. 5. P. RiGiDA. Pitch Pine. Lvs. in 3s, with short sheaths; cones pyramidal-ovoid, clustered; scales with reflexed spines. — Common in barren, sandy plains, which it often exclu- sively occupies. It is of moderate height at the north (25 — 30f ), but attains a great height in the Southern States. The trunk, which is seldom straight, is covered with a very thick and rough bark cleft with deep furrows. Leaves 4 — C long. Cones usually several together, 2 — 3' long. Trie wood is heavy Abiks. CXXXI. conifers. 515 with resin, little used in architecture except for floors, but makes excellent fuel. May. 6. P. PALUSTRis. Lamb. (P. australis. 1) Long-leaved or Broom Pine. Lvs. in 3s, very long, conglomerate at the ends of the branches; coiw sub- cylindrical, muricate, with small, recurved spines; slip, pinnatifid, ragged, per- sistent.—Found in the Middle, Southern and Western States. The trunk is 15 — 20' diam., arising with a slignt diminution 40 or 50f to the branches, thence 20— 40f to the summit. Bark slightly furrowed. Leaves a loot in length. Buds very long, whitish. Sterile aments violet-colored, 2' long. Cone 8_'i0' long. Seeds with a thin, white testa. Timber strong, compact and durable, used at the South in vast quantities. 7. P. sTROBUs. White Pine. Weymouth Pine. Lvs. in 5s, slender, with very short sheaths; co?!€S solitary, cylindric, loose, pendant longer than the leaves. — This pine is one of the most majestic and the most useful forest trees of this, or of any other country. The trunk is perfectly straight, covered with a comparatively smooth bark, and, in some instances, 5 — 7f in diameter, and lOOf in height without a limb; then, sending out a few branches, it forms a tufted head far above the surrounding forest. The branch- es are given off in whorls which are very observable in young trees. The leaves are about 4' long, numerous, slender, of a bluish green, forming an ex- tremely soft and delicate foliage. The wood is soft, fine-grained, easily wrought, very durable, and is used in immense quantities in various kinds of architec- ture. The large trimks are in particular sought for the masts of ships. May. 2. ABIES. Juss. Name probably derived from the Celtic abetoa. Strobile smaller, roundish-oblong ; carpellary scales attenuated to a thin, even edge; cotyledons 3 — 9. — Trees or shrubs. Lvs. evergreen or deciduouSj linear and solitary .^ or acerose and fasciculate.^ never sheathed at base. § L Leaves evergreen^ solitary, linear. 1. A. CANADENSIS. (Pinus. Linn.) Hemlock. Lvs. linear, flat, obscurely denticulate, glaucous beneath, in 2 rows; copies ovoid, terminal, scarcely longer than the leaves; scales rounded, entire. — A well known evergreen inhabitant of the rockv, mountainous woods of the Northern States, and Brit. Am., commonly attaining the height of 70 — 80f. The trunk is large in proportion, straight, covered with a rough bark. Branches brittle and nearly horizontal, with pubescent twigs. Leaves 6 — 8" in length, less than 1" wide, arranged in 2 opposite rows. Cones very small. The wood of the hem- lock is soft, elastic, of a coarse, loose texture, not much valued for timber, but is sometimes substituted for pine. The bark is extensively used in tanning. May. 2. A. NIGRA. Michx. (Pinus. Linn.) Black or Double Spruce. Lvs. 4-cornered, scattered, straight, erect; cones ovoid, pendulous; scales elliptical-obovate, erosely dentate at the edge, erect. — This fine tree abounds in the northern parts of the U. S., where dark, mountain forests, are often wholly composed of it. It is a large tree, 70 — 80f high, with a straight trunk and a lofty pyramidal head. The leaves thickly cover the branches, are of a dark greeji color, little more than J' in length. Cones 1 — 2' long. The timber is light, strong and elastic, and, although inferior to the white pine, is much used in ar- chitecture. That salutar}' beverage, spnuce beer, is made from the young branch- es. May. 3. A. ALBA. Michx. (Pinus. Ait.) Wlilt^ or Single Spruce. Lvs. 4-sided, incurved ; cones lax, pendulous, subcylindric, with entire, liroadiy obovate, somewhat 2-lobed scales. — Veiy abundant in the northern sec- tions of the U. States, preferring humid and rocky woods. Height 50f. Trunk 1^2f in diameter at the base, regularly diminishing upward. Lower branches longest, the others becoming gradually shorter upwards. Leaves i — f in length, placed on all sides of the branches'. Cones small. The timber is useful in the frames of buildings, &.c. Mav. 44 516 GXXXi. (JOxNIFER^. Cupressus, § 2. Leaves solitary, evergreen. Bark smooth, with reservoirs of balsam. Cones long, erect. 4. A. BALSAMEA. Willd. (Pinus. Litin. Picea. Michx.) Fir Balsam. Balsam Spruce. — Lvs. linear, flat, obtuse, glaucous, with a grooved line above and an elevated one beneath ; ames cylindric, erect, reflexed on the mar- gin ; scales broad, compact ; liracfs obovate, shorter than the scale. — A beautiful evergreen, common in humid forests of the northern part of the U. States. Its branches are nearly horizontal, gradually becoming shorter upwards, forming a regularly pyramidal head. The leaves are little larger than those of the hem- lock (8 — id" long) growing upon the sides and top of the branches, of a bright green above, and silvery-white beneath. Cones 2 — 3' in length. Bark smooth, abounding in reservoir.s filled with a resin or balsam which is considered a val- uable medicine. Ma3^ 5. A. FRAsi3R[. Pursh. Eraser's or Double Balsam Fir. Lvs. flat, glaucous beneath, linear, often emarginate, subsecund, erect above ; strobile ovoid-oblong, erect, very small ; brads elongated, reflexed, oblong-cune- ate, emarginate, briefly mucronate, incisely toothed. — A smaller tree than the last, much resembling it in habit, found on mountains, from N. Eng. ! to Car. Leaves 3' long, and much crowded. Cones about 1 — 2' long when mature; singularly distinguished by the long-pointed, violet-colored, reflexed bracts. Sterile aments terminal. May. — Ahighlj^ ornamental shade tree. ^ 3. Leaves deciduous, collected in fascicles of 20 — 40. 6. A. (Larix) Americana. Michx. (Pinus pendula and microcarpa of authors.) American Larch. — Lvs. short, in dense fascicles, without sheaths, very slender; cones oblong, inclining upwards; even when the branches are pendulous ; scales thin and intlexed on the margin ; bracts elliptical, often hol- lowed at the sides, abruptly acuminate with a slender point. — A beautiful free, often seen in our shrubberies, and thinly interspersed, in forests, throughout N. England. It is remarkably distinguished from the pines by its deciduous leaves, the branches being bare nearly half the year. The tree arises 80 — lOOf, with a straight and slender trunk and horizontal branches. Leaves 1 — 2' long,collcct- cd in bunches of 12 — 20 on the sides of the branches. Cones deep purple, § — 1' long. The wood is considered most valuable of all the pines or spruces, being very heavy, strong, and durable. Apr., May. /?. penchila. Branches slender and drooping. — A most beautiful variety. Tribe 2. CUPRESSINE^E. Carpellary scales not bracteate, each with 1 — 8 erect ovules at base inside, be- coming concreted and fleshy in a drupe-like fruit. Anthers of several cells. 3. CUPRESSUS. From the Isle of Cyprus, where the cypresg is very abundant. Flowers S . — c? in an ovoid ament ; scales peltate ; anthers 4, ses- sile, c?* in a strobile ; scales peltate, bearing 4 — 8, erect (orthotro- pous) ovules at base inside ; seed angular, compressed; integuments membranous ; cotyledons 2 or more.— Trees, with evergreen, flat, squa- mosc, imbricated leaves. Fertile aments becoming indurated cones. 1. C. THYiiiDEs. Michx. \\%ite Cedar. Branchlets compressed; lvs. imbricate in 4 rows, ovate, tuberculateatbase; cones spherical. — This tree is thinly disseminated in N. England, but quite com- mon in the Middle States. It usually occurs in swamps, which it densely and exclusively occupies. Height 40 — 60f. The leaves consist of short, minute, evergreen scales, covering the finely divided branchlets, in 4 imbricated rows, and each one furnished with a minute gland or tubercle on the back. The wood is white, fine-grained, and wonderfully light, soft and durable. Used in the man- ufacture of shingles, pails, fences, &c. Posts made of this cedar it is said will last 50 years. Mav. JuNiPERus. CXXXI. CONIFERS. 517 2. C. DTSTYCHA. (Taxodium distychum. L. C. Rich.) Cypress. Lvs. in 2 rows (distychous), deciduous, flat ; sterile avients paniculate, leaf- less, pendulous; cone oblong-globose. — One of the largest trees of the forest, native of N. J. to Mexico. It grows in wet soils, forming what is called the cypress or cedar swamps of the Southern States. The trunlE arises to the height of r25f with a circumference of 25 — 40f above the conical base. The roots produce large, conical excrescences, which, being hollow, are sometimes used for beehives. The head is wide-spread, and often depressed. Foliage light green and open. Cones 1' diam., composed of the indurated, combined scales. Timber light, fine-grained and durable. 4. THUJA. Gr. -Sua), to sacrifice ; the wood is fragrant in burning and was used in sacrifices. Flowers S . — d^ in an imbricated ament ; anthers 4, sessile. 9 in a strobile, each scale bearing 2 erect ovules at the base inside ; seed winged; integument membranous; cotyledons 2 or more. — Trees or shrubs. Lvs. evergreen., squamose^ iinbricate. T. OCCIDENTALIS. ArboT VitCE. Branchlets ancipital ; lvs. imbricate in 4 rows, rhomboid-ovate, appressed, tuberculate; cones oblong, the inner scales truncated and gibbous below the tip. — This tree is often called xvhite cedar, and from its resemblance might easily be mistaken for the Cupressiis ihyoides. It abounds in the British Provinces and in the northern parts of the U. S. on the rocky borders of streams and lakes, and in swamps. It has a crooked trunk, rapidly diminishing in size upwards, throwing out branches from base to summit. The evergreen foliage consists of branchlets much more flat and broad than those of the white cedar. Cones terminal, consisting of a few long, loose scales, unlike the round, compact cones of that tree. The wood is very light, soft and durable. Its most important use is for fences. May. 5. JUNIPfiRUS. Celtic Juneprus. rough or rude. Flowers c? 9, rarely S. — c? ament ovate; scales verticillate, pel- tate ; anthers 4 — 8, I -celled. 9 ament globose ; scales few, united at base, concave ; ovules 1 at the base of each scale ; berry formed of the enlarged, fleshy scales containing 2 — 3 bony seeds ; cotyledons 2. — Trees or shrubs. Lvs. evergreen., mostly acerose, opposite or vi tchorls of 3. 1. J. coMMfJNis. Common Juniper. Lvs. ternate, spreading, subulate, mucronate, longer than the berry. — A shrub, with numerous, prostrate branches, growing in dry woods and hills, often arising in a slender pyramid, 6 — 8f high (rarely arboreous. Dr. Bobbins!) Leaves arranged in whorls of 3, 5 — 8" long, acerose-lanceolate, ending in a sharp, bristly point, channeled and glaucous on the midvein above, keeled and green below. Barren flowers in small, axillary aments or cones ; fertile ones on a distinct shrub, small, axillary, sessile. Berries roundish, oblong, dark blue, ripening the second year from the flower. They are then sweetish, with a taste of turpentine. In medicine they are diuretic and cordial. May. 2. J. ViRGiNiANA. (J. Sabina. Hook.) Red Cedar. Upper lvs. imbricate in 4 rows, ovate-lanceolate, pungently acute, appressed, older ones acerose, cuspidate, spreading ; trunk arboreous. — Found thi-oughout the U. S., but chiefly in the maritime parts, growing in dry, rocky situations. It is a tree of middle size, sending out numerous, horizontal branches. Leaves dark green, the younger ones small, ovate, acute, scale-like, overlaying each other in 4 rows, upon the subdivided branchlets ; the older ones A' long. Flow- ers inconspicuous, the staminate in oblong, terminal aments, J' long ; the fer- tile on separate trees, producing small, bluish berries covered with a white powder. The wood is fine-grained and compact, of a reddish hue, very light 518 CXXXI. CONIFERiE. Taxos. and durable. It is used for fences, aqueducts, tubs and pails, and in the manu- facture of drawing pencils. April, May. , , . ^ .:,:,, , l3 proitrata. Lm$. ovate, submucronate, glandular m the middle, appressed; berries tubercular ; st. prostrate, creeping.— A shrub, on gravely shores, with creeping branches 4 — 81' long. Tribe 3. TAXITVE^. Fertile flowers solitary, terminal, consisting of a naked ovule maturing into a kind of drupe. 6. TAXUS. Gr. ra^ov, an arrow ; arrows were formerly poisoned with the juice of the yew tree. Flowers cT9 or c? , surrounded with numerous scales, c? Stamens 8 — 10, monadelphous ; anthers peltate. 6 — 8-celled, cells dehiscent beneath. 9 solitary, consisting of a single ovule, becoming in fruit a fleshy, 1 -seeded drupe. — Trees or shrubs, with evergreen, linear, alter- nate leaves. T. Canadensis. Dwarf Yeio. Ground Hemlock. Lvs. linear, mucronate, 2-ranked, revolute on the margin ; sterile receptct- cles globose. — A small, evergreen shrub, with the general aspect of a dwarf hemlock spruce {Pimis Canadensis). It grows on thin, rocky soils in shady places, 2— 3f long, Can. to Penn. and Ky. Leaves nearly an inch long, ar- ranged in 2 opposite rows, on the sides of the branchlets. Staminate flowers in small, roundish, axillary heads. Drupes oval, concave or open at the summit, red and juicy when mature. May. SUBDIVISION SECOXD. ENDOGENS, OR MONOCOTYLEDONOUS PLANTS. Stem not distinguishable into bark, pith and concentric zones or layers of wood. Growth by irregular, internal accretions, consist- ing of bundles of woody fibre and vessels, successively descending from the leaves above, through the cellular tissue already formed. Leaves mostly with simple, parallel veins, alternate, entire, frequently sheathing at base, and seldom falling off by an articulation. Sepals and PETALS, when present, commonly in 3s. Ovules produced within an ovary. Embryo with one cotyledon, rarely with two, the second being much smaller than, and alternate with, the first. CLASS III. AGIiUMACEOUS ENDOGE]VS. Flowers without glumes. Organs developed on the usual and normal plan, consisting of stamens and pistils, either or both, sur- rounded by verticillate, floral envelops ; or the latter are wanting, and the stamens and pistils are achlamydeous. Order CXXXIV. ARACE^.— Arads. Herbs or tropical shrubs, with a fleshy rhizoma or cormus. Lv3. sheathing at base, often with branching veins, and sonnetimes compound. Fls. mostly monoecious and achlamydeous, arranged upon a naked or spathaceous spadix. Perianth, when present, consisting of 4 — 6 parts. Sta. definite or indefinite, hypogynous, very short. Anth. ovate, extrorse. Ova. tree, l — several-celled. Stigma sessi\e. Ft.— Berry succulent or dry. Seeds solitarj' or several, with fleshy albumen. Genera 2S, species 170, abimdant in tropical regions, more rare in temperate, one only, Calla palusUis extending to the northern frigid zone. ' Properties.— An acrid, volatile principle pervades the order, which is, in some instances, so concen- trated as to become poisonous. Tlie corms and rhizomas abound also in starch, which in some cases, when the volatile acridity is expelled in drying or cooking, is edible and nutritious. Conspectus of the Genera. \ Berry 1-seeded. . Peltandra. 2 I and covered $ cylindric. ( Berry many-seeded. Calla. 3 . { with flowers, ; oval, preceding the leaves. . Symploearptis. 6 > Spadix m a spathe ( and naked above. Stem a corm. . . . Arum. 1 5 broad. ( Spadix naked, yellow, on a clavate scape. Orontium. 4 Leaves { linear-ensiform. Scape leaf like. Spadix lateral. Acorua. ' 5 1. ARUM. Coptic aron, the name of the Egyptian species, A. colocaiia. Flowers sometimes $ c?. Spathe cucullate, convolute at base ; perianth 0 ; spadix cylindric, naked above, staminate below the mid- dle and pistillate at the base; berry 1-celled, many-seeded. — 'A-. 1. A. TRiPHYLLCM. Dragpn-Root. Jack-in-tlie-Pul'pit. Acaule.scent ; Irs. trifoliate, mostly in pairs, leaflets oval, acuminate; spa- di.v clavate ; spathe ovate, acuminate, fiat and deflected above. — A curious and well known inhabitant of wet woodlands. Can. to Car. W. to the Miss. The stem is a rugose, flesh};-, subterraneous corm giving off radicles in a circle from 44* 520 CXXXIV. ARACEiE. Calla. the edge. Scape 8 — 12' high, erect, round, embraced at the base by the long sheaths of the petioles. Leaves 2, on long stalks, each consisting ol" 3 smooth leaflets, 2 — 7' long, J as wide. Spathe green without, usually variegated within with stripes of dark purple alternating with pale green. Spadix much shorter than the spathe var\ing from green to dark purple. Fruit a bunch of bright scarlet berries. The corm loses its fiercely acrid principle by drying, and is then valued as a carminative, &c. May, June. 13. atrarubens. Dewey. (A. atrorubens. L.) Spathe sessile, spreading hori- zontally above, dark brown. — Plant rather smaller, and with a disagreeable odor. 2. A. Dracontium. Green Dragon. Acaulescent ; //. mostly solitary, pedate ; Ifis. oblong-lanceolate ; spadix subulate, longer than the convolute, oblong spathe. — Less common in N. Eng. than the former species, found in wet places, banks of streams, U. S. Stem a fleshy, subterraneous corm. Scape slender, 6 — 12' high. Leaf on an erect, sheathing petiole, which is dichotomous above, each half bearing 2 — 4 leaflets with an odd one at the fork. Leaflets rather smaller than in A. triphyllum. Spathe green, 1 — 2' long, rolled into a tube at base. Spadix slender, with its long, tapering point much exserted. Fruit a bunch of red berries. June, July. 2. PELTANDRA. Raf. Gr. ttcXttj, a shield or target, avSpes, stamens ; from the character. Spathe convolute ; spadix covered with flowers, staminate above, pistillate below ; perianth 0 ; stamens peltate ; berry 1-celled, 1-seed- ed.— '^. P. ViRGiNiCA. Raf (Arum. Linn. Calla. Bw. Lecontia. Cooper. Rensse- laeria. Beck. Caladium. Lindl.') — Acaulescent; Ivs. oblong, hastate-cordate, acute at apex, the lobes obtuse ; spathe elongated, incurved ; spadix covered with staminate flowers the greater part of its length. — A smooth, dark green plant, in wet grounds, N. Y. and Ms. to Cai;. Leaves radical, numerous, 8 — 12' long, i as wide, on petioles as long as the scapes. Scapes many from the same root, 8 — 15' long. Spathe closely involving the spadix, green, 2 — 3' long, lanceolate, wavy on the margin. Spadix slender, acuminate, shorter than the spathe, bearing the ovaries and finally the berries in a dense cluster at its base. June. It is to be hoped that this persecuted plant will soon find, if it has not here found, a permanent abode. Jl. 3. CALLA. Gr. (caXXof , beautiful ; a term well applied. Spathe ovate, spreading ; spadix covered with flowers, staminate intermixed with, or above the pistillate ; perianth 0 ; berry many- seeded. — % Aquatic herbs. 1. C. PALTJSTRis. Northern Calla,. Lvs. cordate ; spathe ovate, flat ; spadix covered with ovaries intermixed with stamens. — A fine plant, growing in shallow water. Mid. States, N. Eng. N. to Arc. Am. Rhizoma creeping, rooting at the joints. Leaves 2 — 3' long, § as wide, on long stalks, involute at the acuminate point, smooth and entire. Scape smooth, green, roundish, thick, 4 — 6' high. Spathe clasping at the base, spreading, rectxrved, with an involute point, greenish-yellow without, white and soft within. Spadix 1' in length. The root-stock is acrid, but Linnaeus tells us that the Laplanders extract a wholesome bread stuff" from it.. July. 2. C. tEthiopica. Ethiopian Calla. — Lvs. sagittate-cordate; spathe cucul- late ; spadix with the sterile flowers above the fertile. — A magnificent plant from Cape Good Hope, often met with in green-houses and parlors. The leaves are very large, smooth and entire, on long, sheathing, radical footstalks. Scape smooth, round, arising a little above the leaves, 3 — 5f high. Spathe very large, white, involute at base, reflexed and terminating abruptly in a long acumination. Spadix yellowish-white, about half the length of the spathe. Flowers from Jan. to May. Lemna. CXXXV. LEMNACE^. 52t 3. ORONTIUM. The ancient Gr. name of a plant, so called from its growing by the Orontea, a river in Asia Minor. Spadix cylindric, covered with flowers ; perianth 4 — 6-sepaled ; stamens 4 — 6 ; ovary free ; stigma sessile ; fruit a dry berry or utri- cle.— % acaulescent, aquatic. Fls. yellow, at the summit of the scape. Spathe radical. O. AaUATicuM. Golden Club. Lis. ovate-lanceolate ; spike or 5;)a(^zx cylindric, on a clavate scape. — This interesting plant is a native of inundated banks and pools, U. S., but not very common. The leaves are large (often becoming 10 — 12' long and J — f as wide), smooth, of a deep green, velvet-like surface above, paler beneath, on long, radical petioles. Scape thick and terete, about a foot in length, closely invested by the short spathe at base, and ending in a spadix of a rich yellow color, covered with small, perfect, yellow flowers of an offensive odor, — the up- per ones often tetramerous. May. 4. AC Or US. Gr. a, privative, and Kopr), the pupil of the eye ; supposed to cure maladies of the eye. Spadix cylindric, covered with flowers ; perianth 6-sepaled ; ovary free ; stigma sessile, minute ; fruit dry, 3-celled, many-seeded. — % herbs., with a jkshy rhizoma. Lvs. radical, ensiform. Scape foliaceous. A. CALAMUS. Sweet Flag. Summit of the scape above the spadix very long and leaf-like. — Grows in wet soils throughout the U. States. The thick, prostrate, creeping rhizoma is highly valued for its aromatic flavor, its warm and pungent taste. The long, sword-shaped leaves are readily distinguished by the ridge running their whole length. The cylindrical spadix is about 3' long and 3" diam., covered with small, green flowers, and bursting from the side of the leaf-like 'scape in June and July. 5. SYMPLOCARPUS. Salisb. Gr. cvjxirXoKq, connection, Kaprrog, fruit. Spathe ventricose ; spadix oval, covered with perfect flowers ; perianth deeply 4-parted, segments cucullate, cuneate, truncate, per- sistent, becoming thick and spongy ; berries globose, 2-seeded, im- bedded in the spadix. — % Aquatic, acaulescent herbs. S. FCETiDUs. Nutt. (Pothos foetida. Mlchx. Ictodes. Bxv.) Skunk Cabbage. Lvs. cordate-oval, acute ; spadix subglobose, preceding the leaves. — A com- mon plant. Can., N. Eng., Mid. and W. States, growing in swamps, meadows and ditches, renowned for its odor, which is scarcely less offensive than that of the animal whose name it bears. Early in spring, the swelling spathe is seen emerging first from the ground or water, more or less covered with purplish spots, its edges partly infolded, and its point incun-ed. It encloses the spadix, which is oval, covered with flowers of a dull purple. The leaves, which arise after the flowers, are of a bright green, numerous, becoming verv large Coften 20' by 12'.) ^ J ^ K Order CXXXV. LEMNACE^.— Duckmeats. Plants mostly tloaliiig, cellular, annual, consisting of a frond (stem and leaf in one) Fls. bursting from the margin of the fronds. 2 or 3, achlamydeous, enclosed in a spathe. Sterile fls.— Sla. definite, often monadelphous. Fertile fls.— Ova. l-celled, with 1 or more erect ovules, Sii/. short. Siig: simple. Fr.— Utricle 1— several-seeded. Sds. with a fungous testa. Genera 6. species 26, widely dift'used. They are almost entirely destitute of spiral vessels. Some of them may ue regarded as the simplest of Phitnogamous plants. LEMNA. Gr. Xcfii-ta, a scale or husk : from the resemblance of the frond. Sterile and fertile flowers in the same spathe, the former of 2 col- 522 CXXXVI. TYPHACE^. Tvpha. lateral stamens, the latter of a simple, carinate ovary, with a style and stigma. — ® Herbs, consisting of a froiid [stem and leaf confounded) sending down from the under surface, roots which hang loosely in the water, and fi'oducing from the margins the spathaceous flowers. 1. L. TRiscLCA. Ivy-leaved Duck-meat. Fronds elliptic-lanceolate, thin, serrate at one extremity and caudate at the other ; roots solitary. — Floating in ponds and pools of clear water. Fronds nearly i' in length, diaphanous, with a tail-like appendage at base, obtuse at apex, the new ones issuing in a cruciate manner from lateral fissures in the margin of the old. Root a solitary fibre, ending in a sheath. Flowers very minute. Utricle sitting on the upper surface of the frond. Jime — Sept. 2. L. MINOR. Lesser Duck-meat. Fronds nearly ovate, compressed ; root solitary. — This little floating plant occurs in dense patches on the surface of stagnant waters. The leaves, pro- perly fronds, adhere 2 — 3 together, 1' in length, rather thick, and convex below. Root undivided, sheathed at the end. Flowers minute from a cleft in the mar- gin of the fronds, near the base. Jn. — Sept. 3. L. GiBBA. Gibbous Duck-meat. Fronds obovate, hemispherical beneath, nearly plain above ; root solitary. — Floating on the surface of stagnant waters, N. York. Fronds about a line in length, pellucid and reticulated beneath. June — Sept. 4. L. POLYRHiZA. (Spirodela. Schleiden.) Fronds broad-ovate, a little convex beneath ; roots numerous. — Floating in stagnant waters. Fronds resembling flax-seed, but larger (2 — 4" long), scattered on the surface of the water, of a firm, but succulent texture, becoming purplish. Roots in thick bundles of 8 — 10 black fibres Irom the under surface of the fronds. All these species are eaten by ducks and other aquatic birds. Jtme — Sept. Order CXXXVI. TYPHACE^.— Typhads. Herbs, growing in marshes or ditches. Stems without joints. Lvs. rigid, ensiform, with parallel veins. Fls. moncBcious, arranged upon a spadix with no spathe. Coi.— Sepals 3 or 0. Corolla o. Sta. 3 — 6. Filaments long and slender. Anthers cuneiform, erect. Ova. 1, free, 1-celled, with a solitary, pendulous ovule. Sti/les short. Stlg. 1—2. Fr. — Utricle with an albuminous seed. Genera 2, species 13, in ditches and marshes throughout the world. GeTiera. \ long and cylindrical Typha. 1 Spadixof flowers {globose Sparganiumi. 2 1. TYPHA. Or. TVipoi, a marsh ; where all the species grow. Spadix of flowers long, cylindric, dense, c? Stamens about 3 toge- ther, united into a common filament. 9 flowers below the sterile ; ' ovary pedicellate, surrounded at base by a hair-like pappus. — Root "A-. Spadix termiTial. Fls. very numerous. 1. T. LATiFOLiA (and angustifolia. Linn.) Cat-tail. Reed Mace. Lvs. ensiform, concave within near the base; sterile and fertile spi/ces close together,' or a little remote. — A common, smooth, tall inhabitant of the Avater in muddy pools and ditches, U. S., Can. The stem arises from 3 to 5f, round and smooth, leafy below, terminated by the large cylindric spikes. Spikes of a brown color, 6 — 10' in length, composed of slender, downy flowers so compact, particularly the lertile ones, as to be of considerable hardness. The upper portion is smaller, composed of the sterile flowers. Leaves somewhat sword- shaped, erect, 2— 4f long and nearly 1' wide. They are called flags, and made useful for weaving the seats of chairs, &c. July. /?. angustifolia. Sterile and fertile spikes a little remote (i— 2').— Found in Najas. CXXXVII. NAIADACEiE. 523 the same situations with the former. A well marked variety, but differing only in the more slender habit, and less complete development of its parts. 2, SPARGANIUM. Gr. (Tirapyai/ov, a band or fillet ; in reference to the long, ribbon-like leaves. Spadix of flowers globose. cT Calyx 3 — 6-sepaled. 9 Calyx 3 — 6- sepaled ; utricle turbinate, acuminate, 1 — 2-seeded. — Root %. Fls. collected in several deme^ roundish heads^ the sterile heads above the fertile. 1. S. ERECTUM. (S. ramosum. Smith.) Burr Reed. Lrs. triangular at base, their sides concave ; commo7i flower-stalks branch- ed; stig. 2, linear. — Grows in pools and ditches, where it is conspicuous among other reedy plants for its globular burrs of flowers. Stem 1 — 2f high, flexuous, round, with a few branches above. Leaves J — 2f long, 4 8" wide, linear' arising above the stem, triangular towards the base, and sword-form upwards,' tapering, but obtuse. Heads of flowers light green ; fertile ones 2—5, the low- est generally raised on a short, axillary stalk ; sterile ones above, more numer- ous, smaller, sessile. Aug. 2. S. SIMPLEX. Smith. (S. Americanum. Nutt.) Lower lis. equal with, or exceeding the stem, which is nearly simple, floral ones concave at base and erect ; stig. always simple, ovate oblong, oblique, scarcely more than half the length of the style.— Ponds and lakes. Stem 1 2f high, simple or divided at base. Leaves mostly radical, 1 — 2jf by 3", carinate at base. Fertile heads sessile, generally 3, below the several barren ones, with the simple styles conspicuous. Aug. 3. S. NATANs. Michx. Floating Burr Reed. Lvs. floating, flat ; common flower-stalk simple ; stig. ovate, very short • head of sterile fls. subsolitary. — Lakes and pools, U. S. and Brit. Am. Stem long and slender, and, with the leaves, floating upon the surface of the water. Leaves thin and pellucid. Heads of fertile flowers axillary, generally 2 mostly sessile. Sterile cluster terminal. Aug. ' Order CXXXVII. NAIADACEJE.— Naiads. Water plants, with cellular leaves and inconspicuous flowers. Fls. perfect or mono'cious. Calyx 2— 4-sepaled or o. Sta. definite. Ovaries l, or 2—4, free, 1-ovuIed. Stigma simple, often sessUe. Fr. dry, indehiscent, Icelled, 1-seeded. Seed pendulous. Albutnen 0. Genera 9, species 16, in waters and marshes, salt and fresh, in nearly all countdes. Conspectus of the Genera. S solitary, diclinous, monandrous. .... Najas 3 ("0. Flowers a.villary, { 2 together, a sterile and fertile one Zannichcllio. 3 1 short, 2flowered, borne on a long, tortuous peduncle, Ruppia- 4 1 linear, bearing the monoecious flowers in a double row. Zostera. 1 Spike Lcylindric, covered with perfect, tetramerous flowers Potamogeton. S 1. zostEra. Gr. ^(xXTTtip, a girdle ; alluding to its ribbon-like leaves. Spadix linear, bearing the separated flowers in 2 rows on one side ; perianth 0. c? Anther ovoid, sessile, parallel to the ovary. 9 Ova- ries 2, ovoid ; style bifid ; utricle 1-seeded. Z. MARiNA. Sea Wrack-grass. St. trailing, throwing out tufts of fibrous roots at the joints ; branches floating, simple ; lvs. alternate, linear, entire, sheathing at base, 1 — several feet in length ; receptacle or spadix linear, flat, pale green, 2' long, issuing from a cleft in the base of the leaf, covered in front with a double series of naked flowers. — If. Habits aquatic, growing in the sea on sandy banks and shallows (Maine to Ga.), and is thence washed upon the shore by the waves. Like other sea-weeds, it is gathered for manure. Aug. 2. NAJAS. Gr. vao3, to flow; hence Nais, or NaiJtf, Nymph of the waters ; from Uie habitat. Flowers often c? 9 cT Calyx cylindric, 2-cleft ; stamen 1 (rarely 524 CXXXVII. NAIADACEiE. Potamogeton. more) ; filament slender, often elongated ; anther 4-valved, valves spreading. 9 Perianth 0 ; style filiform ; stigma 2 — 3-fid ; capsule 1 -seeded. — Fls. axillary. N. Canadensis. Michx. (Canlinia flexilis. Willd. Fluvialis flexilis. Pers.) Water Nymph. — St. filiform, csespitose, dichotomously branching; Ivs. opposite or fasciculate in 3s, 4s or 6s, at the nodes, linear, obscurely denticu- late, spreading, 1-veined. — A slender, flexible, rather erect, submersed aquatic plant. Can. to N. J. and W. States, consisting of tufts of thread-like, knotted stems 6 — 12' long. Leaves \ — 1' long, ^" wide, se.ssile and sheathing at base. Flowers solitary, sessile, axillary, very small, the fertile ones consisting of an oblong ovary tipped with a filiform style, with 2 — 3 stigmas at summit. Aug. 0. (Caulinia fragilis. Willd.) St.' and Ivs. rather rigid, the latter mostly opposite and recurved. 3. ZANNICHELLIA. In honor of Zannichelli, an eminent botanist of Venice. Flowers , ^ Perianth —Cal . Ssepaled, green. CV/r. 3petaled, colored (green in the suborder). ^ Sra. definite or indefinite, hypogynous. Ova —Carpels several, l-celled and 1-seeded. Styles and sti^as several. Fr. dry, indehiscent. Seeils straight or curved, de.stitute of albumen. Genera 5, species 167 Conspectus of the Genera. ^ Flowers all perfect. Stamens 6 Allsma. \ ( colored, sepals green. \ Flowers nionrEciou-s. Stimens indefinite. . . Saoittaria. 9 } S Anthers thick, short. Leaves cauline. . . . Tnglnchin. 3 Petals ( green, like the calyx. I Anthers linear. Leaves all radical. . . . Scheuchzeria. 4 1. ALISMA. Celtic alls, water ; the place it inhabits. Flowers $ ; stamens 6 ; ovaries and styles numerous, aggregated, becoming in fruit numerous, distinct, compressed achenia. — % caules- cent. Lvs. radical. Fls. paniculate. A. Plantago. (A. parviflora. Ph.) Water Plantain. Lvs. oval, abruptly acuminate or cuspidate, subcordate ; ach. obtusely 3- cornered. — A common,' smooth, hand.somc inhabitant of ponds and ditches. Leaves resembling those of the common plantain, 4 — 6' long, § as wide, ending in a short, abrupt point, 7 — 9-veined, entire, on long, radical petioles. Scape 1 — 2f high. Branches of the panicle verticillate, with bracts at base. Flowers numerous. Petals 3, tinged with purple, roundish, deciduous, larger than the green, ovate, persistent sepals. July. fi. parviflora. Torr. Lvs. oval, acuminate, 5 — 7-veincd; fls. small. 2. SAGITTARIA. Lat. sagitta, an arrow ; from the peculiar form of the leaf. Flowers c? : d^ with about 24 stamens : 9 with numerous ovaries Sagittaru. CXXXVIII. ALISMACEiE. 527 aggregated, and becoming, in fruit, as many compressed, margined achenia collected into a globose head. — % acaukscent. Lvs. radical^ generally sagittate. Fls. in verticils of 3, the sterile ones near the sum- mit of the scape., fertile below them. 1. S. SAGiTTiFOLiA. Arrowhead. Lvs. lanceolate, acute, sagittate, lobes lanceolate, acute. — A curious aquatic plant, conspicuous with its large white flowers among the rushes and sedges of sluggish waters. Can. and U. S. Root fleshy and farinaceous. Leaves 3 — 10' long including the lobes which are nearly half this length, J — 4 or 5' wide, smooth and entire. Scape 1 — 2f high, branching, obtusely 3-angled. Flowers generally in 3s, the upper ones barren. Petals 3, large, roundish, white and very delicate. July, Aug.— The leaves, &c., are exceedingly variable, and Dr. Torrey has appended the following, as varieties : /?. laiifiUa. Lvs. broad-ovate, rather obtuse, with straight, ovate, slightly acuminate lobes. y. hastata. Lvs. oblong-lanceolate, acute, with spreading, lanceolate, long, acuminate lobes ; fis. mostly dicecious. 6. gracilis. Lvs. linear, with linear, very long, acute and spreading lobes. e. pviescens. Plant distinctly pubescent, in all its parts ; lvs. and their lobes ovate. 2. S, RiGiDA. Pursh. Brittle-leaved Arrowhead, Lvs. narrow-lanceolate, carinate, rigid, very acute at both ends ; scape branching.— N. York. Growing in water even to the depth of 7 feet, accord- ing to Dr. Beck. Leaves remarkably dissimilar to those of the foregoing spe- cies, f) — 6' in length, one in width, thick and brittle, and on stout, rigid petioles, prolonged according to the depth of the water. Flowers numerous and large) with 3, white, rounded petals ; fertile ones on short peduncles. July. 3. S. HETEROPHYLLA. Pursh. Various-lcaved Arrowhead. Lvs. smooth, linear and lanceolate, acute at each end, rarely some of them elliptical and sagittate, with lobes linear and divaricate; scape aira-gle, few-flow- ered, fertile flowers subsessile.— Muddy shores. Middle States. Leaves 2 — 4' long, i as wide, on petioles rather longer than the scape which is seldom a foot high. Flowers iew, the three lower ones fertile and very nearly sessile, all with roundish bracts at base. July. 4. S. SIMPLEX, (acutifolia and graminifolia. Pursh.) Linear Sagittaria. Lvs. erect, simple, linear and lance-linear, sheathing, hyaline ancl cellular at base, attenuated to a long, acute point ; scape simple, longer than the leaves ; fs. § or (J> 9 , in whorls of 3, 4 or 5, subterminal and terminal ; sta. in the bar- ren flowers 12 — 15; bracts minute. — Muddy shores of ponds and rivers. Me. ! to N. J., N. Y. ! W. to 111. A species almost as variable as S. sagittifolia, to which it is indeed appended by Hooker as another class of varieties. Leaves 4 — 7' high, usually very narrow. Scape 5—8' high. Flowers 9—18, 8—9" diam. Petals rormdish, white. 5. S. oBTusA. Willd. Blunt Arrowhead. L^-s. broad-ovate, sagittate, rounded and mucronate at the apex, lobes ob- long, obliquely acuminate, approximate and not spreading; /5. (^9; scape simple, the sterile branched at the base; tracts ovate, acute. — Ditches, ponds and marshes, Penn. to Va. W. to Ohio. Juice milky, exuding from the wounded stem or leaves, and hardening into a pellucid gum. Scape 1- 2f high. Leaves on long, radical, channeled petioles, lamina 3 — 5' by 2 — 3'. Flowers white, sho-vnT-. 6. S. PUsiLLA. Nutt. Puny Arroivhead. Petioles (leaves'?) short, linear, obtuse, summits only foliaceous ; scape simple, shorter than the leaves ; fis. few, fertile one solitary, deflexed ; sta. mostly 7. — A diminutive species on muddy banks, N. Y. to Ga. Leaves rarely subu- late, an inch or two long, less than a line wide. Scape 2 — 4' high. Flowers 4 — 7, the lowest one only fertile. Aug. 7. S. NATANS. Michx. Floating Sagittaria. Lvs. floating, oval-lanceolate, obtuse, 3-veined, tapering to the base, lower 45 528 CXXXIX. HYDROCHARIDACE^. ones subcordate ; scape simple, few-flowered ; loxvcr fed. elongated.— lu water, Penn. {MuMenberg') to Car. Scape mostly erect, 3 — 6' long. Leaves 1—2' long. Flowers few, small, the upper sterile. Elliot. 8. S. LANCiFOLiA. WiUd. (S. falcata. Ph.) Lance-leaved Sagittaria. lyvs. broad-lanceolate or ovate, acute at each end, glabrous, coriaceous, and somewhat perennial ; scape simple; acA. compressed, subfalcate.— This re- markable species (but unknown to me) has been found along the shores of the Connecticut river, Mass. and Ct. Stem 2— 3f high. Suborder. JUNCAGINEJ3. Sepals and petals both herbaceous (green), or 0. Stamens 6. Ovaries 3 or 6, coherent, ovules 1 — 2 in each carpel. Seeds erect, with the embryo straight. Herbaceous, bog plants. Leaves ensiform. Flowers in spikes or racemes. 3. TRIGLOCHIN. Gr. rots, three, yXoJvij, a comer; on account of the 3-angled fruit. Sepals and petals concave, deciduous, the former inserted a little below the latter ; stamens 6, very short ; anthers large, extrorse ; ovaries 1-ovuled ; stigmas adnate ; fruit clavate, composed of 3 — 6 united, indehiscent, 1 -seeded carpels. — % Lvs. grass-like, all radical. 1. T. maritImum. (T. elatum. Aw«.) Sea Arrow-grass. Fruit ovate-oblong, grooved, of 6 united carpels ; scape longer than the leaves. — A rush-like plant in salt marshes and ditches on the sea-coast, and at Salina, N. Y., also lake shores, AVisc. ! Leaves linear, semicylindric, smooth, thick, 6—12' long, less than a line wide. Scape obtusely angled, simple, 9—18' jong, bearing a long raceme of 30—40 green flowers on pedicels 1—2" long. Fruit separating into 6 linear carpels, each containing a linear seed. The plant has a sweetish taste, and cattle are fond of it. July. 2. T. PALUSTRE. Marsh Arrow-grains. Fruit nearly linear, of 3 united carpels ; scape scarcely longer than the leaves. —In marshes, Salina, N. Y. ! N. to Arc. Am. Leaves very numerous, Jleshy, smooth, very narrow. Scape 6—12' high, ending in a raceme with rather remote, very small, green flowers on pedicels 2—3" long. The slender fruit is attenu- ated at base, obtuse at apex, grooved and margined, consisting of 3 very slen- der carpels. July. 4. SCHEUCHZERIA. In honor of the Scheuchzers, two brothers, distinguished botanists. Sepals and petals oblong, acute, persistent ; sta. 6, with linear an- thers ; stigmas sessile, lateral ; ovaries 1 — 2-ovuled ; capsules inflated, compressed, 2-valved, 1 — 2-seeded. — % Lvs. cauline, linear, sheathing at base. S. PALUSTRIS. A rush-like plant, in swamps, Vt. ! to Penn. Rare. Root-stock horizontal, fleshy. Stem about a foot high, simple, angular. Leaves semicylindric, 4 — 6' long, in the barren shoots much longer, sheathing at base. Raceme terminal, 5 — 8-flowered. Flowers yellowish-green, on short pedicels, each axillary to a bract. Stamens large, exserted, erect. July. Order. CXXXIX. HYDROCHAKIDACE^.— Hydrocharads. plants aquatic, floating, with parallel-veined leaves. Fls. dioecious or perfect, issuing from a spathe. Perianth.— Sevah 3, herbaceous. Petals 3, colored. Sta. definite or indefinite, epigynous. Ou(t. adherent to the perianth, single. Stis'ma^3—G. Ovules indefmite. Fr. dry or succulent, indehiscent, 1 or more celled. Seeds without albumen. Genera 12, species 20, native of Europe, N. America, and the East Indies. Of no important use. CXL. ORUHIDACE^. 529 Cmispectus of the Genera. ( cordate, petiolate. • . . . HydrocharU. I < short and verticmate, sessile. Flowers axillary, solitary Udora. 2 Leaves ( long, linear, radical. Flowers elevated on loii^ scapes Vallisneria. 3 1. HYDROCHARIS. Gr. vS(i)p, water, ^oipto, to rejoice ; as water is its own element. Flowers cJ* 9 . — Spathe 2-leaved ; calyx 3-parted ; corolla of 3 pe- tals ; styles 3, abortive in the cf ; sta. 10 — 12, infertile in?; stig. 6 — 8, bifid, with several barren filaments and 3 nectariferous glands • caps, inferior, 6-celled, 00-seeded. — Floatiiig aquatics. H. spoNGiosA. Bo.sc. (H. cordifolia. Nutt.) Frogbit. Lis. roundish-cordate ; J> Jls. on long peduncles, 9 on short ones ; anth. linear; stig. 6—7, 2-parted nearly to the base; segmejits lanceolate-subulate.— 71 Braddock's bay, L. Ontario, SartvxU. Stems jointed, producing offsets from which new plants arise. Root somewhat fibrous. Leaves petiolate, 5-veined, purplish beneath. J* peduncles about 3' long. Sepals oval, green. Q pedun- cles 1— 1§' long, thick. Ovary oblong. Seeds hirsute. Petals white. Aug. 2. UDORA. Nutt. Gr. iSu>p, water ; fronn its aquatic habits. Flowers _c? 9; spathe bifid ; spadix 1 -flowered, c? Stamens 9, 3 of them interior. 9 Tube of the perianth very long ; abortive filaments 3 ; capsule ventricose, 3-seeded. — Creeping. Lvs. verticillate. U. Canadensis. Nutt. (Elodea. Michx. Sepicula verticillata. MtM.) Ditch Moss.—Ijvs. verticillate, in 3s and 4s, lanceolate, oblong or linear, serrulate ; tube of the perianth filiform. — Resembling a coarse moss, in still waters. Stem filiform, diffusely dichotomous, very leafy, submersed. Leaves 3— G" by (less than) 1", thin and diaphanous, sessile, obtuse. Flowers axillary, solitary, minute, of a dingy white, the slender, hair-like tube 3—3' long (4—6' according to Nuttall), the lower part (pedicel 1) 2-margined. Stigmas recurved between the segments, crested with glandular hairs. Aug. 3. VALLISNERIA. In honor of Anthony Vallisner, a French botanist. Flowers d" 9; spathe ovate, 2— 4-parted. (^ Spadix covered with minute flowers; corolla 0. 9 Spathe bifid, 1 -flowered; perianth elongated ; sepals linear ; stigmas 3, ovate, bifid ; capsule 1-celled, many-seeded. — % Submersed. Lvs. all radical. Scape spiral, very long. V. Americana. Michx. Tape Grass. Lws. linear, obtuse, serrulate at the end, tapering at the base, floating ; peduncle of _ the fertile flower long, of the sterile short, erect. — A curious plant, in slow moving or stagnant waters, U. S. Leaves linear, 1— 2f long, about \' wide, the edges thinner than the middle. Scapes several, of the sterile plants short, of the fertile plants very tortuous, 2 — 4f long when extended, thread-like, thickened at top, bearing each a single, white flower at or near the surface! Sepals and petals crowning the (1') long, narrow, incurved ovary, which is half concealed in the spathe. July, Aug. Order CXL. ORCHIDACE^.— Orchids. Utrhs perennial, often acaulescent, with fleshy corms, or tuberous, fiisciculated roots Lvs. simple, parallel-veined , entire. ¥ls. in terminal or radical racemes, spikes or panicles, rarely solitary Pte.— Very irregular, with an adherent, ringent penanth of 6 parts. Cai.— Sepals 3, usually colored, odd one uppermost by the twistins of the ovary. Cor.— Petals 3, usually colored, odd one lowest by the twisting of the ovary. hvp. (labellum, or lowest petal,) diverse in form, often lobed, frequently spurred at base. Sta. 3, united into a central column, the 2 lateral ones generally abortive, and the central one perfect ■ more rarely the central abortive and lateral perfect. Anth. «, 4 or 8-celled, persistent or deciduous, often operculatc. Pol. either powdery, or cohering in wa.xy masses ipoUinia). which arc cither ronstantlv adherin" Ic a gland, or becoming looEC ill their cells. 530 CXL. ORCHIDACE^. Liparis. Oya. l-celled, with 3 pajiL-tal placentffi. Oi-i/to indefinite., . ^ .,, , Stu consolidated with the stamens. Slig. a viscid cavity in front ot the column. Fa— Capsule s-ribbed, 3-vaJved. Sds. many, without albumen. Genera 394 species 3000? They are among the most interesting and curious of ptanU, almost always remarkable for the grotesque form of their tortuous roots and stems, and the Iragrance, brilliancy and odd structure of the flowers. „ ,,.,..• >... j ^ .i. ■ v. The Orchidaceie are natives of every part of the world. In the tropics multitudes of them are epiph- ytes, growing on living trees or decaying timber. . , , ,. ^•. ■ 1.- This order is remarkable for those qualities only which please the eye. Many of its species are culU- vated for ornament, but few of them possess either active or useful properties. The salep ot commerce is a nutritive mucilaginous substance afibrded by the roots ot some Asiatic, Orchis. The aromatic va- nilla, used to flavor chocolate, &c., is the fruit of the West Indian Vanilla claviculata. Conspectus of the Genera. ^cauline. . . Microstrjlis. l S ovate, j radical. . . Aplectrum. 4 r Leaf solitary, (ensitbrm (rarely 2). . . Caloposon. 10 I V near base of stem. . . Liparia. 'i 1 Leaves 2 only, t near middle of stem. . . Listera. 13 I I radical, <, ringent. . . Goodyera. 12 ( Flowers I < Sepals Ij erect. . . Spiranl/ies. 11 ■< several. (.Leaves several, ( cauline. Fls. 3 or 4. . . Caloposon. 10 C .Spur 0. ( Flower solitary, lip bearded within Pogonia. 9 J 4 PoUinia 2. Fls. bracteate . Orchis. 7 ( Fertile 1 i flatfish. ( Pollinia 4. Fls. bractless. . . Tipularia. 6 Leaves 1 < anth. 1. iLip spurred at base, ^ventricose. Flower and leaf solitary. . Calypso. .S or more. ( Anthers 2 fertile, middle one sterile, petaloid. Lip saccate. . . . Cypripedium. I* \ Plants green. Flowers solitary. Lip bearded within Arethusa. 8 Leaves 0. \ Plants destitute of green herbage. Flowers racemose Coral lorhiza. 3 Section 1. Pollen cohering in grains which finally became waxy, and are definite in number. 1. MICROSTYLIS. Nutt. Gt. fxtKpos, little, (rrtiXoj, style; alluding to the slender column. Segments of the perianth distinct, petals filiform ; lip sessile, concave, erect, truncate and bidentate at summit ; column minute ; pollinia 4, loose. 1. M. oPHioGLOssolDEs. Nutt. (Malaxis orph. Willd. M. unifolia. Michx.) — Lf. solitary, ovate, amplexicaul; s<. 5-angled ; roc. short, obtuse, capitate ; pedicels much longer than the flowers. — A small plant, in woods, &c., Can. and N. States. Stem 5 — 9' high, with a single leaf a little below the middle. This leaf is rather acute, smooth, ovate or oval, about 2i' in length, 1 in width. At the base of the stem is an abrupt sheath. Flowers whitish, minute, numerous, in a terminal raceme an inch or more in length, dense at top. Bracts minute. Pedicels about 4" long. June. 2. M. MONOPHYLLOs. Liudl. (M. brachypoda. Gray. Malaxis mon. Willd.) — Leaf solitary, ovate, sheathing at base; rac. elongated, with numerous flowers on short pedicels; bracts minute ; sep. acute, spreading; late- ral pet. reflexed, linear ; lip triangular-hastate, cucullate, acuminate with a recurved point. — In shady swamps, N. Y., rare. Prof. Hadley, Dr. Gray. Stem 2 — 6' high, 3-anglcd, with a subspicate raceme of 20 — 40 small, greenish flowers. July. 2. LIPArIS. Rich. Gr. Xirapos, elegant, shining ; a term characteristic of these plants. Segments of the perianth distinct, sublinear, spreading or deflex- ed ; lip spreading, flat, ascending, often exterior ; column winged ; pollinia 4, parallel with each other, without pedicels or glands. ]. L. LiLiFOLiA. Rich. (Malaxis lilifolia. Sio.) Thvay-blade. Lvs. 2, ovate-lanceolate; scape triangular; inner pet. filiform, reflexed; lip concave, obovate, acute at the tip. — In wet woods, Can. to Car., Ohio. Leaves radical, 3 — 6' long, J — h as wide, rather acute, tapering into a sheath- ing base. Scape about (>' high. Flowers 10 — 20, in a terminal, rather showy raceme. Pedicels near an inch in length. The 3 sepals greenish-white, linear. 2 upper petals capillary, yellowish-white. Lip much larger than the other petals, white. June. Calypso. CXL. ORCHIDACEiE. 531 2. L. LcESELii. Rich. (L. Correana. Spr. Malaxis Loeselii. Siv.) Lvs. 2, ovate-oblong, obtuse, plicate, shorter than the few-flowered racemes ; scape angular ; lip ovate, entire ; sep. and pet. linear, subequal. — About half as large as the preceding, in moist meadows and fields, Can., Ohio, N. Eng. and Mid. States. Leaves 2 — 3' long, about 1' wide, obtuse or acute, sheathing at base. Scape 3 — 5' high. Flowers about 6, appressed to the rachis, in a thin raceme. Pedicels about 2" in length. Sepals and petals greenish-white. Ovaries clavate, as long as the pedicels. Jn, 3. CORALLORHlZA. Brown. Gr. KopaWiov, coral, P'fa, root; its branched roots much resemble coral. Segments of the perianth nearly equal, converging ; lip produced behind ; spur short and adnate to the ovary ; column free ; poUinia 4, oblique (not parallel). — Plants leafless. 1. C. oDONTORHizA. Nutt. (C. vcma. Nutt. C. innata. Br.) Dra- goii's-daw. Coral-root. — Lip undivided, oval, obtuse, crenulate, spotted ; spur obsolete, adnate to the ovary ; capsule oblong or subglobose.— A singular plant, with no leaves or green herbage, inhabiting old woods, Can. to Car. and Ky. The root is a collection of small, fleshy tubers, articulated and branched much like coral. Scape 9—14' high, rather fleshy, striate, smooth, invested with a few long, purplish-brown sheaths. Flowers 10—20, in a long spike, of a brownish-green. Lip white, generally with purple spots. Capsules large, reflexed, strongly ribbed. July, Aug. /?. verna. — L/ip white, without spots, minutely toothed each side. — More deli- cate and slender than the variety a. Flowers fewer (7 10). 2. C. MULTiFLORA. Nutt. Flmoering Coral-root. Scape many-flowered; Up cuneate'-oval, spotted, 3-parted; the middle lobe recurved, lateral ones short and tooth-like ; spur conspicuous, adnate ; cap. elliptic-obovoid. — In woods, growing on the roots of trees, N. Eng. and Mid. States. Root coralline. Scape 10—15' high, leafless, brownish-purple, sheath- ed with a few bracts. Flowers larger than in the other species, 15 — 20, erect- spreading, in a long raceme. Lip showy, 3—4" long, white, sprinkled with purple spots. Spur yellowish, conspicuous, but short and adnate to the ovary. Jl. 4. APLECTRUM. Nutt. Gr. a, privative, wXijKTpov, a spur; the lip being without a spur. Segments of the perianth distinct, nearly equal, converging ; lip unguiculate, not produced at base ; column free ; anther a little below the apex ; pollinia 4, oblique, lenticular. A. HYEMALE. (Cymbidium hyemale. Willd.) Adam-and-Eve. Putty - root. — Lf. solitary, radical, petiolate, ovate, striate ; lip. trifid, obtuse, with the palate ridged. — A fine plant, in woods. Can., Ohio ! to N. Eng. (rare) and Flor. Root bearing large, roundish, mucilaginous tubers. Leaf rather elliptic than ovate, 4 — 5' long, \ — i as wide, twice as long as the petiole, which arises Irom the summit of the tuber a short distance from the scape. Scape arising from beneath the tuber, about If high, invested with 2 — 3 sheaths. Flowers resembling those of Corallorhiza, brownish-purple, erect, in a terminal raceme. Lip dilated near the end. Capsule large, smooth, nodding. May, Jn. 5. CALYPSO. Salisb. Named for the goddess Calypso ( Gr. KoKwrw, to conceal). Segments of the perianth ascending, secund ; lip ventricose, spurred beneath near the end ; column petaloid ; pollinia 4. C. BULEosA. Salisb. (C. Americana. Br. C. borealis. Ph. Cjrpripe- dium. Linn.) — Lf. solitary, radical, broad-ovate, veined ; lip narrowed and subunguiculate at base ; spur bifid, longer than the lip, with acute teeth ; ped. longer than the ovary. — This rare and beautiful plant is found in Vt., (Carey) Nova Scotia, Mich., W. to Oreg. Scape 6—8' high, sheathed, bearing a sih- 45* 53a CXL. ORCHIDACE^. Orchis. gle, purplish flower at top, as large as that of a Cypripedium. Leaf petiolate, 2 — 3' in diameter, subcordate at base. 6. TIPULARIA. Nutt. Tipula, the crane-fly ; from the fencied resemblance of the flowers. Segments of the perianth spatulate, spreading ; lip entire, sessile, conspicuously spurred at base ; column wingless, free ; anther oper- culate, persistent ; pollinia 4, parallel. T. DISCOLOR. Nutt. (Orchis. Ph. Limodorum uniflorum. Muhl.) A slender, green-flowered plant, resembling a Corallorhiza, growing in pine woods, Vt., Mid. States to Car. Root bulbous. Leaf solitary, petiolate, ovate, plaited, smooth, and longitudinally veined. Flowers minute, greenish- white, nodding, in a terminal raceme destitute of bracts. Jl. Section 2. Pollen cohering in waxy masses, which are pedicellate, with glands at the base of the pedicels. Anthers of 2 distinct, vertical cells. 7. ORCHIS. The Greek name of these plants. Perianth ringent, the upper sepal vaulted ; lip entire or lobed, produced at base into a spur which is distinct from the ovary ; anther terminal ; pollinia 2, adnate, pedicellate. — Fls. racemose or spicate. ^ 1. Orchis vera. Lip broad, entire. Glands of the pedicels of the pollinia enclosed. 1. O. spECTABiLis. Showy Orchis. Lvs. about 2, nearly as long as the scape ; lip obovate, undivided, crenate, retuse ; segvients of the perianth straight, the lateral ones longer ; spur clavate, shorter than the ovary, bracts longer than the flower. — This pretty little plant is found in shady woods and thickets, among rocks, &c., U. S. and Can. Root fasciculate. Leaves few, radical, ovate, 3 — 6' long, i — J as wide. Scape 4 — 6' nigh, acutely-angled, with a lanceolate, acute bract and 3 — 5 large, showy flowers. Segments of the perianth purple, ovate-lanceolate. Lip and spur white or whitish, each about 8" long. May, Jn. ^ 2. Platanthera. Lip narrow., entire. Cells of the anther widely sepa- rated at base by the broad, interposed stigma. Glands of the pedicels of the pollinia naked. 2. O. ORBicuLATA. Pursh. (Platanthera. Lindl. Habenaria. Torr.) Lvs. 2, radical, suborbicular, rather fleshy ; scape bracteate ; upper sep. orbicular, lateral ones ovate ; lip linear-subspatulate, nearly twice as long as the sepals; s^wr arcuate, compressed, clavate, twice as long as the ovary. — A re- markable plant, not uncommon in old woods and in thickets, Penn. to Can. and W. States. Leaves lying flat upon the ground, 3 — 6' diam., rather inclining to oval or ovate with the apex acute. Scape 1 — 2f high, sheathed with a few bracts, bearing a raceme of numerous, greenish-white flowers. Lip \ — 1' by i_l". Spur IJ— 2' long. Jl. 3. O. HooKERiANA. Wood. (Platauthcra. Lindl. Habenaria. Torr.) Lvs. 2, radical, suborbicular or suboval, fleshy; scape naked; bratts lance- olate, nearly as long as the flowers ; vpper sepal ovate, erect, lateral ones deflexed and meeting behind ; pet. acute, lip lanceolate, projecting, acuminate, a little longer than the sepals; spur .subulate, arcuate, about twice longer than the ova'ry. — Woods, Can., N. Eng. ! to Wis., Lnphaml rare. Resembles O. orbicu- lata, but is very distinct. Scape 8 — 12' high, without a bract below the flow- ers. Leaves 4 — 5' long, nearly or quite as wide. Flowers 12 — 18, in a straight raceme, yellowish-green, the spur 9 — 12" in length. Jn. Jl. 4. O. HYPERBOREA. WiUd. (Habenaria hyp. & Huronensis. Spr. Pla- tanth. Lindl.) — St. leafy; lvs. very erect, acute ; spike somewhat secund- Ohchis. CXL. ORCHIDACE^. 533 bracts linear-lanceolate, acute, longer than the flower ; sep. deflexed ; pet. and lip linear, obtuse, subequal, (the latter dilated at base !) and about as long as the pendulous, obtuse spur. — A tall, leafy, variable species, found in mountainous woods and open meadows, N. Y. to Mich, and Can. Stems thick, 2 or 3, or even 4 feet high. Leaves lanceolate, 4 — 7' by 1 — IJ'. Flowers greenish in shades, nearly white in open situations, forming a long, more or less dense spike. July. 0. Hiirmiensis. More slender ; Ivs. lance-oblong and lance-linear, obtuse or acute; spike rather loose, often long. — Vt., Dr. Phelps! W. to Mich. 5. O. DiLATATA. Pursh. (Habenaria. Hook. Platanth. Lindl.) St. stender ; Ivs. lanceolate and linear, acute ; spike loose ; bracts lance- linear, about as long as the flowers ; npper sepal ovate, obtuse, the lateral nar- rower and spreading ; lip linear, entire, obtuse, dilated at the base, about equal- ing the petals and a little shorter than the obtuse, incurved spur, which is longer than the ovary. — Swamps, Northern States ! (rare) and Can. It is a slender and delicate species, with pure white flowers. Stem 10 — 15' high. Leaves often narrow and grass-like, the lower lanceolate. Flowers 10 — 20, spur about 4" long. July. 6. O. OBTusATA. Pursh. (Platanthera. Lindl. Habenaria. Rick.') Lf. solitary, oblong-obovate, obtuse ; st. bearing the leaf near its base ; spike loose ; upper sep. broadest ; pet. subtriangular ; lip linear, entire, with 2 tubercles at base, as long as the arcuate, acute spur. — Found in muddy ponds and ditches, N. H., Storrs! N. to Lab. Stem slender, angular, 6 — 8' high, ter- minating in a thin spike of about a dozen small, greenish-white flowers. Leaf tapering at base, and usually obtuse at the summit, 2 — 3' in length, and 1 in breadth, issuing with the stem from 2 — 3 radical, sheathing bracts. July. 7. O. INTEGRA. Nutt. (Habenaria. Spreng.) St. leafy ; Ivs. lanceolate and lance-linear ; drafts shorter than the flowers ; lip oblong, entire, longer than the petals ; spur subulate, longer than the ovary. — Swamps, N. J., Nuttall. A species very nearly allied to O. ciliaris, appa- rently differing only in the flowers being smaller; and with the lip entire, not fringed. Flowers orange-yellow. Jl. ^ 3. Habenaria. Lip dilated., variously divided. Glands of the pedi- cels of the pollinia naked., distinct. * Lip toothed or ^-parted, not fimbriate. 8. O. FLAVA. (Habenaria herbiola. Br. Platanthera. Lindl.') St. leafy; lower Ivs. oblong, acute, upper lanceolate, acuminate; spike rather dense, cylindric; bracts longer than the flowers; Up oblong, obtuse, den- tate at base ; palate with 1 tuberculate tooth ; spur filiform, rather shorter than the sessile ovary. — A small-flowered orchis found in alluvial soil. Stem flexu- ous, 12 — 18' high. Leaves about 3, with long sheaths, 3 — 6 or 7' by f — 2', taper- ing to an acute summit. Flowers in a long, thin spike. Sepals short, ovate, green. Petals yellowish. Upper bracts about as long as the flowers, lower ones 2 or 3 times as long. The tubercle of the lip is a remarkable character. June. 9. O. viRXDis. Swtz. (O. bracteata. MmA/. Peristylusbracteatus. Z,i?trfZ.) .SV. leafy ; Ivs. oblong, obtuse, upper ones acute ; spike lax ; bracts 2 — 3 times as long as the flowers ; sep. connivent, ovate ; pet. linear, erect ; Up linear- cuneate, truncate, 3-toothed at the end, the middle tooth small or obsolete ; spur short, inflated, obtuse. — A small, green-flowered orchis, in shades. Stem 6 — 9' high. Leaves about 3, 18 — 30" by 6 — 12", upper bracts as short as the flower. Spikes 2 — 3' long. Flowers yellowish-green. Lip as long as the ovary, 3 times as long as the spur. Can. to Va. W. to 111. July, Aug. 10. O. TRiDENTATA. Willd. (Habenaria. Hook. Gymnadenia. Lindl.) Radical If. solitary, oblong, obtuse, cauline 2 — 3, much smaller; sep. cam- panulate, obtuse, converging ; Up lanceolate, 3-toothed, at the extremity ; spur filiform, curved, clavate, longer than the ovary. — Grows in woods and swamps, Can., Mich., Penn., Va. Stem slender, 1 — 2f high, with small, greenish-white flowers in a short and rather loose spike, appearing in July. 534 CXL. ORCHIDACE^. Orchis, 11. O. ROTUNDiFOLiA. Pursli. (Habcnaria. Rich. Platanthera. Lindl.) Lf. solitary, roundish-ovate; scape naked; spike lew-flowered; bracts ob- tuse, shorter than the ovary ; sep. and pet. obtuse ; lip 3-lobed, lateral, lobes sub- falcate, middle one obeordate ; spur as long as the lip. — Ct., Penn., Eat^an, Can. Scape about a foot high, slender, without a bract. L.eaf 2 — 4' long, | as wide, spotted, sheathing at base. Flowers about a dozen, of a greenish-white, remark- able for their broad, 3 (almost 4)-lobed, pendant lip. * * Lip fimbriate. Stem leafy. 12. O. ciLiAHis. (Habenaria. Rich. Platanthera. I/MI^^.) YeUmo Fringed Orchis. — Lower Ivs. linear-lanceolate ; spike oblong, dense ; bracts shorter than the ovary; lip oblong-lanceolate, pinnate-ciliate, twice as long as the petals ; .';piir longer than the ovary. — A delicately beautiful orchis, with bright orange- colored flowers, in swamps, Can. to Ga. and Ky., rare. Stem about 2f high. Leaves sheathing at base ; lower ones 3 — 5' long, rapidly diminishing upwards. Sepals roundish, obtuse, concave. 2 petals linear, very small, incised at the summit ; the lip narrov/, lanceolate, conspicuously fringed, 4" long. Spur 1' in length. July, Aug. 13. O. CRisTATA. Michx. (Habenaria. Brown. Platanthera. Lindl.) Lvs. lanceolate and lance-linear; spike somewhat crowded, many-flow- ered; segvients of tJic perianth roimded, the two lateral petals toothed, lip oblong, pinnatcly ciliate, spur shorter than the ovary. — Swamps, N. J., Penn. to Car. A small species, distinguished from the foregoing by smaller and more crowded flowers which are of a bright orange-yellow, and by its shorter spur, &c. Jn. Jl. 14. O. Blepuariglottis. Willd. (Habenaria. Rich. Platanthera. Lindl.) White Fringed Orchis. — Lower lis. lanceolate, channeled; spike oblong', dense ; bracts linear, acuminate, shorter than the flowers ; lip lanceolate, ciliate, as long as the upper sepal ; spur much longer than the long-beaked ovary. — A delicate orchis, in swamps, TN. Y. ! to Car.,) resembling the last species, but distinguished at least, by the color of its flowers which are of a pure white. Stem 1 — 2f high. Flowers fewer than in the last. Sepals round- ish-oblong, lateral reflexed. Petals spatulate, dentate. Lip fringed in the mid- dle, 2" long. June, July. 15. O. FissA. Willd. (Habenaria. Br.) St. tall, leafy ; lvs. lanceolate and lance-linear ; bracts nearly equaling the ovary ; sep. roundish-ovate ; lateral petals denticulate ; lip 3-parted, divisions cuneiform, dentate, middle one 2-lobed ; spir filiform, clavate at end, curved, ionger than the ovary. — Wet grounds and marshes, Penn. to Va., W. to Ind. ! A truly beautiful species 2--4f high. Stem slightly winged. Leaves 4 — 6' long. Flowers violet-purple, large, 20 — 50, in a terminal spike. Ovary 1', and spur 1}' long. June, July. 16. O. LACERA. Michx. (O. Psycodes. Spr. Habenaria. Br. Platan- thera. Lindl.) Ragged Orchis. — Lawer lvs. oblong, obtuse, upper ones narrow, acuminate ; bracts longer than the flowers ; sep. retuse ; pet. emargi- nate ; lip 3-parted, segments cuneate, capillaceous-multifid ; spur filiform, cla- vate, as long as the ovary. — Swamps and meadows, Can. to Car. Stem 1 — 2f high, smooth, slender. Leaves few, 3 — 6' by h — V, mostly acute. Flowers numerous, in a long, loose spike, of a greenish- white, not sho^vy. Sepals ovate. Petals oblong-linear, entire, lip reflexed, very deeply laciniate. Readily dis- tinguished from the following by its more slender habit, greenish flowers, and the entire (not fringed) petals. July. 17. O. Pyscodes. (O. fimbriata. Br. Habenaria. Rich. Platanthera. Lindl.) Purple Fringed Orchis. — Lmmr lvs. lanceolate, diminishing up- wards ; lip. 3-parted, scarcely longer than the petals, the segments cuneiibrm, ciliate-fimbriate ; lateral pet. ovate, fimbriate-dentate ; spur filiform, clavate, longer than the ovary. — A beautiful plant, common in nueadows. Can., N. Eng., Mid. and W. States. Stem U— 2if high, smooth, slender. Leaves 3—6' long. Flowers showy, numerous, in a terminal, cylindric spike, light purple. Lip of the nectary somewhat longer than the petals, its 3, fan-like, spreading segments, as well as the petals, beautifully fringed. Spur an inch in length. July. PoooNiA, CXL. ORCHIDACE^. 535 /3. (O. incisa. Wiild.) Lateral petals subdentate, terminal one incisely den- tate ; spur subulate. 18. O. LEUCOPH^A. Nutt. White -Jlmve red. or Prairie Orchis. St. leafy; Ivs. lanceolate, tapering to a narrow, obtuse point, channeled; bracts shorter than the ovaries ; roc. oblong ; scp. roundish-oblong, acutish ; lateral petals obovate, denticulate; lip 3-parted, ilabellilbrm, segments deeply fimbriate ; spur subulate-clavate, curved, twice as long as the ovary. — Wet prairies, Ohio, Ind. ! 111. Stem 1 — 3f high. Leaves 2 — 6' long. Raceme about 12-flowered. Sepals and spur yellowish, petals white. Ovary curved, 1' long. 19. O. GRANDiFLORA. Bw. (Habcnaria. Tmr. Platanthera fimbriata. Lindl.) Largc-flowcring Orcliis. — Lower Ivs. oblong, oval, obtuse, vpper OTiex very narrow ; bracts shorter than the ovary; roc. oblong; lip dependent, twice as long as the petals, 3-parted, the segments cuneiform and fimbriate, the middle one largest, with connivent fimbriae ; lateral pet. fimbriate ; spur ascend- ing, clavate, longer than the ovary. — A superb plant, considered the most beau- tiful of the genus, in wet meadows, N. H. ! Can. Stem 2 — 3f high, thick, hol- low, with several sheathing bracts at base. Leaves 2 or 3 principal ones, 4 — 7' by 1 — 2', upper ones linear, an inch or two long. Flowers very large, purple, in a terminal raceme, 3 — 6' long. Middle seg. of the lip nearly semicircular, twice as long as the lateral ones. June. Section 3. Pollen powdery, or consisting of loosely cohering granules. 8. ARETHtJSA. Swtz. Arethusa was a fabulous nymph of Diana, who was transformed into a foimtain. Perianth with its segments cohering at base ; lip spurless, adnate to the column at base, deflected at the end and bearded inside ; pollen angular. — Small plants, inhabiting wet places. A. BULBOSA. Bulbous Arethusa. Leafless ; rt. producing a globular tuber ; scape sheathed, 1-flowered. — This beautiful and interesting plant is found only in wet meadows and swamps, Can. to Va. Stem 6 — 12' high, invested with about 3, long, loose sheathes with lanceolate points, the upper ones rarely at length produced into a short, linear- spatulate leaf At the top is a single, large, fragrant flower of a rich purple color. A little below the base of the flower is a small spathe of 2 unequal bracts. June. 9. POGONIA. Brown. Gr. TTtovMi/, beard ; in allusion to the bearded lip. Perianth with its leaflets distinct ; lip sessile or unguiculate, cucullate, bearded inside ; pollen farinaceous. 1. P. oPHiOGLOssoiDEs. Br. (Arethusa. Linn.) Rt. fibrous ; St. furnished with an oval-lanceolate leaf and a foliaceous bract near the flower ; lip fimbriate. — An interesting plant, much taller than the bulbous Arethusa, found in swamps and muddy shores. Can., N. Eng. to Car. and Ky. The stem is verv slender, 9—16' high, with 2 remote leaves, the one placed about midway, 2 — 3' long, lanceolate, acute, sheathing at the base; the other (a bract 1) much smaller, situated near the flower. Flower large, nodding, pale purple. Lip long as petals and sepals (f). June. 2. P. VERTiciLLATA. Nutt. (Arcthusa. Willd.) Lvs. 5, oblong-lanceolate, verticillate ; Jis. solitary, the 3 outer petals very long, linear, inner ones shorter, lanceolate, obtuse ; lip 3-lobed, the middle lobes undulate. — Swamps. Stem 8 — 12' high, with a whorl of leaves near the top and a flower 1 — 2' above it. Leaves IJ' long, J as wide, abruptly acuminate. The flower is remarkable for its sepals being about 2' long, very narrow, and of a greenish-brown color. Lip crested in the middle. July. 3. P. PENDULA. Lindl. (Triphora. Nutt. Arethusa. Willd.) Rt. tuberous ; st. leai}', about S-flmvered at the top ; lvs. clasping, ovate, alternate ; fis. axillary, nodding ; lip entire, scabrous, not bearded ; fr. pendu- 53G CXL. ORCHIDACEiE. Goodyera. lous. A small, delicate plant, in swamps, Mid. W. ! and S. States. Stem scarcely 6' high, slightly angled, with about 3 flowers, which from their singu- lar form suggest the common name. Leaves 3 — 6, i — |' long, j as wide, purplish. Flowers white or greenish, the segments of the perianth equal, con- verging, and rather longer than the lip. Aug. 10. CALOPOGON. Brown. Gr. /caXof , beautiful, irwyuv, beard ; in allusion to the bearded lip. Segments of the perianth distinct ; lip on the upper side of the flowers, unguiculate, bearded ; column free, winged at the summit ; pollen angular. C. puLCHELLUs. Br. (Cymbidium. Willd.) Grass Pink. Rt. tubeious ; If. radical, ensiform, veined ; scape few-flowered ; lip erect, nar- rowed at base, with an expanded border, and a concave, hairy disk. — A truly beau- tiful plant, in swamps and moist meadows, U. S. and Can. Scape slender, 10 — 20' high, furnished with a single, long leaf (8 — 12' by *'), sheathing its base. Flow- ers 3 — 8, large, purple, remarkable for their inverted position ; lip expanded at the end and fimbriate on the upper side of the flower, while the column is below. Petajs and sepals expanded. July. 11. SPIRANTHES. Rich. G)'. aireipa, a cord; in reference to the twisted spike. Flowers in a spiral spike ; petals connivent ; lip unguiculate, parallel with the column, entire, with 2 callous processes at base ; column free, clavate, bidentate at summit ; ovary oblique ; stigma rostrate. 1. S. GRACiLLS. Beck. (Neottia. Biu.) Ladies' Tresses. Lvs. radical, ovate, caducous; scape sheathed, Jls. in a spiral row; lip obovate, curled. — A very delicate plant, not uncoinmon in old woods, N. Eng., Can. Scape leafless, with several remote, sheathing scales, very slender, and 8 — 12' high. Leaves 3 — i, close to the ground, 1 — 2' long, J as wide, on short petioles, mostly withering and falling away before the flowers expand. Flow- ers small, white, arranged in a row which winds once or twice around the stem. July. 2. S. TORTiLis. Sw. (Ophrys. Mx. S. aestivalis. Mx.) Radical lvs. linear; scape sheathed; Jls. spirally secund; lip somewhat 3- lobed, the middle lobe larger, crenulate. — A plant mostly similar to the last, in woods and meadows, N. Eng. to Car. Leaves 3 — 6' by 2 — i" commonly dis- appearing before flowering. Scape slender, a foot or more high, with a .spiral row of oblique, small, white flowers, forming a twisted spike 2—4' long. July. 3. S. CERNUA. Rich. (Neottia. Willd.) Lvs. radical, linear-lanceolate, veined ; stcvi sheathed; spike dense ; Jls. re- curved, drooping ; scp. and pet. cohering ; lip oblong, entire or crenulate, dilated at the apex.— In moist grounds, N. Eng. to Ga. Scape *— Iff high, rather stout, pubescent above, with a dense, twisted spike at summit'l— 2' long. Leaves 3 or more, nearly or quite radical, 3—8 or 10' long, i— 1' wide. Bracts ovate, acuminate, as long as the greenish flowers. Aug. Oct. 12. GOODYfiRA. Brown. Named for John Goodyer, an obscure English botanist. Perianth ringent ; calyx herbaceous, upper sepal vaulted, the 2 lower ones beneath the saccate and entire lip ; column free, pollen angular ; stigma prominent, roundish. G. PUEESCENS. Br. Rattlesnake Plan'ain. Lvs. radical, ovate, petiolate, reticulate; scape sheathed, and with the flowers, pubescent ; lip ovate, acuminate ; pet. ovate.— A plant found in woods, van. nndU. R. remarkably distinguished for its leaves which are all radical CypRiPEDiuM. CXL. ORCHIDACEiE. 537 and of a dark green, reticulated above with white veins. They are ovate, 1 — 2' in length, contracted at base into winged petioles scarcely half as long. Scape erect, (j — 1'2'high. Flowers white, in a terminal, oblong, cylindric spike. Lip roundish, saccate, inflated. July, Aug. /?. rcpcns. (G. repens. Br.) Lot. less conspicuously reticulated ; spi^-e some- what unilateral. — A reduced form of G. pubescens, certainly unworthy of being exalted into a species. Stem 6 — 8' high. Flowers in one row, which is more or less spiral. 13. LISTER A. Brown. Named for Dr. Martin Lister, an English naturalist, died 1711. Lip 2-lobed, pendant, with no callous processes ; column wingless, minute ; anther fixed by its base, persistent. 1. L. coRDATA. Br. (Ophris. Mr.) Tway-blade. St. 2-leaved, the leaves opposite, deltoid-subcordate, acute ; rac. few-flow- ered ; lip linear, 2-toothed at base, deeply bifid, with divaricate and acute seg- ments ; column very short. — Root fibrous. Stem 4 — 8' high, furrowed. Leaves J — f diam., sessile, about half way up the stem. Flowers minute, greenish- purple, 10 — 15, in a short raceme. A delicate little plant, in woods and sphag- nous swamps, among mountains, &c., N. States and Brit. Am. July, Aug. 2. L. coNVALLARioiDEs. Nutt. (Epipactis. Sw.) St. 2-leaved, the leaves opposite, roundish-ovate ; rac. few-flowered, loose, pubescent ; sep. ovate-lanceolate ; lip oblong, 2-toothed at base, with 2 roundish lobes and an intermediate minute one at the apex ; column elongated. — Car. to Arc. Am. Root fibrous. Stem very slender, 5 — 10' high, sheathed with a few bracts bearing the 2 leaves near the middle. Leaves near an inch long, f as wide. Flowers small, the broad, obcordate lip twice as long as the sepals. May. Section 4. Lateral anthers fertile ; the middle one sterile and pe- taloid. 14. CYPRIPEDIUM. Gr. K^UTrpif, Venus, iroSioVy a slipper; from the slipper-like form of the lip. The 2 lower sepals united into 1 segment, or rarely, distinct ; lip ventricose, inflated, saccate, obtuse ; column terminated by a peta- loid lobe (barren stamen). — Fls. large, very showy, distinguished for the large, inflated lower petal or lip. 1. C. CANDiDUM. Willd. White-flovjered Ladies' -slipper. St. leafy ; Ivs. oblong-lanceolate ; fi. terminal, solitary ; sep. elliptic- lanceolate, acuminate, lower scarcely bifid at apex ; pet. lance-linear, longer than the compressed lip ; Icbe of the style lanceolate, rather obtuse. — Borders of woods, prairies, Penn. to Ind. Plummer! Resembles the next in foliage, but remarkalDly distinguished by the white flower. Stem about If high, simple. Leaves 3 — 6' by 1 — li', sheathing the stem, acute. Ovary pedicellate. Lip 1' in length. Petals and sepals nearly 2'. May. 2. C. ACAULE. Ait. (C. humile. Sw. *?) Acaukscent Ladies' -slipper. Scape leafless, 1-flowered ; Ivs. 2, radical, elliptic-oblong, rather acute ; lobe of the column roundish-rhomboidal, acuminate, deflexed; ^rf. lanceolate; Up longer than the petals, cleft before. — A beautiful plant, in dark woods, Car. to Arc. Am. Leaves large, plaited and downy. Scape 10 — 14' high, with a single lanceolate bract at the base of the large, solitary flower. Sepals h' long, the two lower completely united into a broad lanceolate one beneath the lip. Petals lateral, wavy. Lip 2' by 1', purple, forming the most showy part of the flower. May, June. 3. C. PARVIFLORUM. Salisb. Yelloiv Ladies' -slipper. St. Leafy; Ivs. broad-lanceolate, acuminate; lobe of the column triangular- oblong, acute ; sep. ovate, oblong, acuminate ; pet. long, linear, contorted ; lip shorter than tlie petals, compres.sed. — Woods and meadows, Newf to Car. Stems usually several from the same root, about a foot high. Leaves 3 — 6 538 CXLVil. AMARYLLIDACEiE. Amaryllis. by 2—3', veined, alternate, clasping, pubescent. Flower mostly solitary. Seg- ments 4 greenish, with purple stripes and spots, the lower one bifid, composed of 2 united sepals, the two lateral ones 2 — 3' by i', waved and twisted. Lip a large, inflated sac, bright yellow, spotted inside, with a roundish aperture above. May, June. /?. pubesccns. Leaves lanceolate ; lobe of the column obtuse. The flowers somewhat smaller. Meriden, N. H. 4. C. SPECTABILE. Sw. Showij Ladies' -sUpper . St. leafy ; Lvs. ovate-lanceolate, acuminate ; lobe of the column elliptic- cordate, obtuse ; Sep. broad-ovate, obtuse ; lip longer than the petals, cleft before. A. tall, superb species, found in swamps, Can. to Ky. and Car. Stem thick, 2 ieet or more high, hairy. Leaves 6 — 10' by 2 — 4', veined, plaited, hairy. Flowers 2 — 3 on each plant, very large. Lip white, striped with purple, 2' long, 1§ broad; upper segment largest, lower one smaller, composed of 2 sepals completely united. July. 5. C. ARiETiNUM. Ait. (Arietinum Americanum. Deck.) RavVs-head. St. leafy ; Ivs. elliptical, striate-veined ; sep. 3, distinct (the 2 lower not united), linear-lanceolate, the upper oblong-ovate, acuminate; 2 lateral pet. linear; lip as long as the petal, saccate, obconic. — In damp woods. Can., Maine, Vt. Stems usually clustered, flexuous, 8 — 12' high, lower part sheath- ed. Leaves 3—5, 2—3' by J— 1', sessile, amplexicaul. Flower mostly solitary, with a leafy bract at base. " Segments about equal in length, the upper one as broad as the other 4 together. The singular form of the lip readily suggests the name of this curious plant. May. Order CXLVII. AMARYLLIDACE^.— Amaryllids. Herbs, perennial. Leaves parallel-veined. f'ls. showy, almost always either yellow or white, often on scapes and with spathaceous bracts. Perianth mostly regular, adherent to the ovary, colored, consisting of 3 sepals and 3 petals. S!a. 6, arising Irom the perianth segments. Anthers introrse. Ova. 3-celled, the cells many-ovuled (sometimes l— 2-ovuled). Sti/le 1. Sti^. 3-lobea. Fr. a 3-celled capsule or berry. Seeds with fleshy albumen. Genera 63. species 400, chiefly tropical plants, most abundant in Brazil and S. Africa. Very few are found in our climate. Properties.— A few of the Amarjllidacea; possess poisonous properties, which is very rare among the Endogens. The Hottentots are said to poison their arrows by dipping them in the viscid juice of the bulbs of Haemanthus to.xicarius. The bulbs of Narcissus poeticus, and other species, are emetic. The fermented juice of the Agave forms the into.\icating palqueofihe Mexicans. Many are highly orna- mental, and are therefore cultivated. Conspectus of the Genera. S Scape tall, with numerous flowers. Agave. i ( Corona 0. \ Scape bearing 3—5 small, yellow flowers Hypoxis. 5 i Corona of 3 emarcinate segments Galanthits. 3 Flowers regular. ( Corona monophyllous. Narcissus 2 Flowers irregular. Stamens declined Amaryllis, l 1. AMARYLLIS. Lat Amanjllis, the name of a nymph, fi'om a^opuo-a-o), to shine with splendor. Perianth irregular, funnel-shaped, nodding ; filaments declined, arising from the orifice, unequal in proportion or direction ; seeds flat, numerous. — A sple?idid goius, with a feio native and many foreign species. 1. A. Atamasco. Atamasco Lily. Spathe 2-cleft, acute ; /. pedicelled ; cor. campanulate, with nearly equal petals, suberect. — A pretty species found in Penn., south to Carolina, sometimes cultivated. Leaves linear, a foot long. Scape round, 6' high. Spathe a little colored, bifid at the summit. Flower large, solitary, white and pink. Sepals acuminate. June. 2. A. FORMOsissiMA. Jacobea Lily. — Lis. radical; fls. nodding, very ringent, tube fringed; sta. inchtded in the involute lower segments. — A splendid flower, from Mexico, often grown with us in large pots of light, loamy soil. Root bulbous. Leaves thick, oblong, narrow. Scape a foot high. Spathe red, dis- closing a single large flower of a fine dark red color. Jn. — A ug. Agavk. CXLVII. AMARYLLIDACE^. 539 2. NARCISSUS. Gr. vapKrj, stupor; from the eflects produced by the smell of some of the species which are poisonoua. Perianth regular ; corona monophyllous, funnel-form, consisting of a whorl of united sterile stamens, within which the fertile ones are inserted. 06s.— A well known, popular genus, whose species are easily cultivated, many of them very fragrant and beautiful. They have bulbous root.s, ensiform leaves, and usually yellow flowers, with a long, com- pressed spathe, opening on one side, and deciduous. 1. N. JoNauiLLA. — Scape 1 — 3-flowered; segments reflexed, spatulate; cup (corona) much shorter than the segments, saucer-shaped, spreading, crenate. — Native of Spain. Scape a foot high, round, slender, bearing at the summit a few flowers of a rich yellow, and very fragrant. May, Jn. 2. N. poETicus. Poet's Narcissus. — Scape 1-flowered ; scgvients imbricate at base, reflexed ; corona expanded, flat, rotate, crenulate ; 3 anth. shorter than the tube. — Nativ^e of S. Europe. Scape about a foot high, leaves of the same length. It bears a single flower, which is mostly white, but having the crown singularly adorned with circles of crimson, white and yellow. Jn. 3. N. Pseudo-Narcissus. Daffodil. — Scape 2-edged, straight, striated ; seg- ments sulphur color ; corona with a serrate-crenate orifice. — Native of England. Root bulbous. Leaves linear, a foot long, striate, veined. Scape a foot high, bearing at the top a single, very large flower, with a very long cup or corona. April, May. 4. N. Tazetta. — SpaiAc many-flowered ; coro?ia campanulate, truncate, shorter than the petals ; Zt'5. flat. — Native of Spain. Root a large bulb. Leaves smooth, sv/ord-shaped. Scape naked, striate, a foot high, with 10 — 12 flowers. Corolla white, cup a strong yellow, not fragrant. April, May. 3. GAL ANTH US. Gr. yixKo.., milk, avSoj ; on account of the delicate whiteness of the flower. Flowers spathaceous ; sepals 3, concave ; corona formed of 3 small, emarginate segments; stigma simple. — Ornamental., bulbous exotics. G. NIVALIS. Snow-drop. — Lis. linear, radical, keeled, acute ; scape 1-flowered. — Native of the Alps, well known in gardens, flowering early in Spring. It is a small plant, half a foot high, arising from a perennial bulb, bearing a single, large, nodding flower white as snow. Stem usually furnished with 2 long, nar- row leaves towards the top. 4. AGAVE. Gr. ayavos, admirable ; a term emmently applicable. Perianth tubular, funnel-form, adherent to the ovary, 6-parted ; sta- mens 6, exserted ; anthers versatile ; capsule ovate, attenuate at each end, obtusely triangular, 3-celled, many-seeded. — A splendid Ameri- can genus. Root someti7nes ligneous. Stem herbaceous. Lvs. mostly radical., rigid., channeled^ often spiny. Panicle large, pyramidal. 1. A. ViRGiNiCA. False Aloe. Acaulescent, herbaceous; lvs. linear-lanceolate, fleshy, glabrous, with car- tilaginous serratures on the margin ; scape simple, glabrous, with leaf-like scales and sessile flowers. — Rocky banks, Penn. to Ga. Root premorse, tuberous. Scape 6f high, terete, glabrous, loosely spicate above. Radical leaves long, acute. Flowers greenish-yellow, very fragrant, tube longer than the acute seg- ments. Capsule roundish, obscurely 3-angled, 3-furrowed, 3-valved, 3-celled. Sept. 2. A. Americana. American Aloe. Century Plant. — Acaulescent; lvs. spi- nose-dentate, lanceolate, coriaceous and fleshy ; scape branched, lofty and arbo- rescent ; cor. tube contracted in the middle ; pedicel as long as the corolla. — The largest of all herbaceous plants, native of tropical America, often cultivated. It is a popular notion that it flowers but once in a hundred years, but it is known to flower much oftener, according to the culture it receives. Leaves radical, thick, 3 — 6 or 8f long, 4 — 12' wide. The scape arises from the centre of the 46 540 CXLVIII. HiEMODOHACE^. Lophiola. mass" ol leaves, to the height of 15 — 251', bearing a pyramidal panicle. Flowers yellow. There is a variety with striped leaves. 5. HYPOXIS. Gt. vJtoj, under, o|vs, sharp; on account of the pointed base of the fruit. Spathe 2-leave(l ; perianth persistent ; capsule elongated, narrowed at the base ; seeds numerous, roundish, with a black, crustaceous in- tegument.— Small, bulbous, grass-like ■plants, with yellow jiowers. Lvs. radical, linear. H. ERECTA. Star-grass. Pilose ; scape about 4-flowered, shorter than the linear-lanceolate leaves. — In woods and meadows, Can. and U. S. Leaves all radical, 6 — 12' by 3 — 5", very acute. The slender, hairy scapes, several from the same root, arise 6 — 8', divided at top into a sort of umbel with 3 — 5 peduncles having each a minute, subulate spathe at the base. Perianth hairy and greenish without, yellow within ; segments oval, rather obtuse. June. Order CXLVIII. H^EMODORACE^.— Bloodroots. Herts with fibrous, perennial roots and perfect flowers. , ,• , • , iTS. permanent, ensiform, eciuitant, usually in 2 ranks. . . ,, [cyUndricai tube. Perianth more or less woolly, adherent, the sepals anil petals often indistmguishable, and united mto a Sta. arising from the perianth, either 3 and opposite the sepals, or 6. Ova. 1 or 3-celled, cells l, 2, or many-ovuled. Stij. and stig. simple. . Ft —Capsule covered with the withered perianth, valvular, seldom mdehiscent. Sds. definite or indefinite. Fitnbri/o short, straight, in cartilaginous albumen. Genera 13, species 50, sparingly occurring in N. America, S. Africa, New Holland, &c. The root of Lacnanthes tinctoria abounds in a red coloring matter. One of the most intense bitters known is Aletris farinosa. ^ , „ , , ^ Conspectus of the Genera. (3 hacnanOies. 1 < K Perianth woolly, 6-parted. Lophiola. 2 Stamens C 6. i Perianth mealy, 6-toothed. Aletris. 3 1. LACNANTHES. Elliot. Gr. \a)(^iii], soft hair, av^oi ; in allusion to the woolly corollas. Perianth woolly, tube adherent ; calyx lobes exterior, of 3 linear sepals, as long as the 3 lanee-oblong petals ; stam. 3, equaling the sepals, and opposite to them ; stig. minutely 2-lobed ; caps. 3-celled, truncated, many-seeded. — Lvs. lanceolate-linear. Fls. corymbose. L. TINCTORIA. Ell. (Dilatris. Pursh.) Red-root. Swamps and borders of ponds, R. I., Ohiey! N. .T. to Plor. An interest- ing plant, v/ith rush-like leaves. Stem erect, strict, 18—24' high, clothed with white wool above. Leaves mostly radical, fleshy, 3 — 4" wide and nearly as high as the stem. Cauline leaves remote and bract-like. Corymb terminal, close, 15— 30-flowered. Flowers densely clothed with white wool outside, gla- brous and yellow within. Anthers bright yellow. Jl.— The root is said to be employed in dyeing. 2. L O P H I C L A. Ker. Gr. Xotpos, a crest ;■ alluding to the crested petals. Perianth half superior, 6-cleft, persistent, woolly ; petals narrower than the sepals, somewhat interior ; sta. 6 ; filament naked ; anthers erect : style conical, 3-partible ; stigma simple ; capsule opening at the summit, 3-celled, 3-valved, many-seeded. — Lvs. cjisiform. Fls. corymbose. L. Americana. "Wood. (L. aurea. Ker. Conostyles. Br.) Golden Crest- y^wycr.— Sandy swamps, pine barrens, N. J. Stem 1— 2f high, erect, hoary-tomentose when young. Leaves glaucous, narrowly linear, two-edged, glabrous, the lower and radical long, cauline 2 or 3, shorter. Corymb finally much expanded, many-flowered. Corolla woolly and yellow within, segments Iris. CXLIX. IRIDACE.E. 541 reflexed, about as long as the stamens. Capsule ovate, dissepiments arising from the centre of each valve. Seeds white. July, Aug. 3. ALETRIS. Gr. (^a\tiup) aXstarpos, meal; from the powdery dust with which the plant is covered. Perianth 6-cleft, tubular, rugose, persistent ; stamens issuing at the top of the tube, style 3-sided, 3-partible ; capsule opening at top, many-seeded. — JLvs. radical, rosulate. Scape many-flowered. 1. A. FARiNosA. (A. alba. Mx.) Star-grass. Colic Root. Lvs. broad-lanceolate ; Jls. oblong-tubular, pedicelled ; perianth in fruit rugose or mealy in appearance. — Grows in low grounds, in most of the States. Root premorse, intensely bitter. Scape 20 — 30' high, with remote scales or bracts, and surrounded at base with a circle of lanceolate, sessile leaves. These are 3 — 4' long, \ as wide, and lie flat upon the ground. Flowers in a long, thin raceme. Perianth white, -y long, on very short pedicels, rugose without when old. Medicinal. July. 2. A. AUREA. Walt. Yellota Aletris. L/vs. lanceolate ; Jls. subsessile ; perianth short, tubular-campanulate, yel- low, finally rugose and very scabrous. — In the pine barrens of N. J. to Car., abundant. Scarcely distinct from the preceding. Torrey. Scape 2 — 3f high, with few, yellow flowers in the spicate raceme. Leaves all radical. JL, Aug. Order CXLIX. IRIDACE^.— Irids. Herbs perennial, arising from bulbs, corms or rhizomas, rarely from fibrous roots. Lvs. equitant, mostly distichous. Fls. with spathaceous bracts. Per. — Tube adherent to the ovarj', bmb Bparted, colored, in 2 often unequal series. Sta. 3, alternate with the 3 petals. Antliers s-celled, e.\trorse. Ova. 3-celled, many-ovuled. Style 1. Stigmas 3, dilated or petaloid. (albiunen. i^.^Capsule 3-relled, 3-valved, with loculicidal dehiscence. Seeds numerous, with hardened, fleshy Genera 53, species 550, chiefly natives of the Cape of Good Hope, or of the middle of Europe or N. Anier. Properties.— ^oK remarkable for their beauty than their utility. Some of them are cathartic, as Iris tuberoaa. The aromatic orrvs root is the dried rhizoma of Iris florentina of S. Europe. Saffron consists of the dried orange-colored stigmas of Crocus sativus. Conspectus of the Genera. t Stamens distinct. ' . . . Iris. I 'Petals smaller than the sepals. \ Stamens united. \ Tube short. ^ suberect. ( Tube very long. < regidar. I. Petals and sepals subequal, \ spreadiiig.flat. Tube short. Flowers \ irregular. Seeds mnged Tigridia. 4 Ixia. 2 C'roais. 6 Sisijrinchiwin. 5 Gladioltis. 3 1. IRIS. Named from the Greek, signifying rainbow ; on account of the varied color of the flowers. Sepals 3, reflexed, larger than the 3 erect petals ; stamens dis- tinct ; style short or 0 ; stigmas petaloid, covering the stamens. — Lvs. mostly ensiform. 1. I. VERSICOLOR. Blue Flag. St. terete, flexuous ; lvs. ensiform ; fls. beardless ; ova. triangular, with concave sides and roundish angles. — Grows in wet grounds, (U. S. and Can.,) where its large, blue flowers are conspicuous among the grass. Rhizoma large, horizontal, acrid. Stem 2 — 3f high, acute on one side, often branched and bear- ing several flowers. Leaves a foot long, i — 1' wide, erect, sheathing at base. Sepals spatulate, purple, the claw variegated with green, yellow and white, with purple lines. Petals erect, paler, a little shorter than the stigmas. Style short, bearing 3 petaloid stigmas which are reflexed and bifid at the end, purple or violet, concealing the stamens beneath. Anther oblong ; seeds flat. June. /?. sulcata {Torr.) (S^. nearly straight ; ^rf. longer than the stigmas; angles of tli£ ovary sulcate. 2. I. PRisMATiCA. Pursh. (I. Virginica. Tori-.) Boston Iris. St. round, slender, few-flowered ; lvs. linear, long ; fls. beardless ; ova. tri- angular, the side doubly grooved. — In similar situations wiih the last, readily 542 CXLIX. IRIDACE^. Tigridia. r1i<5tino-uished bvits very slender habit. Mass. ! to N. J. Rhizoma fleshy. Stem smooth 1-2" in diam, l-2f high, branching at top and bearing 2-6 flowers. Bracts at the base of the branches withering. Leaves few, alternate, grass- li[re, 6—10' long, amplexicaul. Sepals narrow, yellow, edged with purple. Petals linear-lanceolate. June. 3. I. LACUSTRIS. Nutt. Ijvs ensiform, longer than the low, compressed, 1-flowered scape ; see-, of the perianth nearly equal, obtuse, eraarginate, the sepals scarcely crested ; raps turbinate 3-sided, margined.— Islands of Lake Huron, near Mackinaw, NnttaU Roots extensively creeping. Leaves 2—5' by 3—4", those of the scape bract-like. Scape 1 —2' high. Flowers pale blue, the sepals rather broader. J n. 4. I. sAMBUCiNA. Flower-de-Lnoce. i^r.,M€W7--3b4 CLIX. ERICAULONACEiE. Eriocaulon. linear-ensiform, more or less twisted, acute, rigid, erect, shorter than the scape ; head oblong-globose, obtuse ; scales coriaceous, imbricated, obtuse, concave, scarious and yellowish at edge ; lower ones empty ; scp. not exserted ; claws of petals as long as the scales. — %. Meadows, swamps and prairies, U. S. not un- common. Scape firm and wiry, often twisted or flexuous, 1 — 2f high, l"diam. Leaves few, flat, 6 — 12' by 2 — 3," clasping or equitant at base. Petals yellow, limb spreading, retuse. July, Aug. (i. brevifolia. Wood. (X. brevifolia. Mr.) Lis. linear-subulate, short, much twisted. — Evidently a variety of this polymorphous species. y. ? Olncyi. Wood. Lvs. larger, nearly as long as the scape ; strongly equi- tant-clasping at base ; scales rather loosely imbricated ; sep. a little exserted ; filaments hairy. — Cumberland, R. I., Olney ! Scape 18 — 24' high. Leaves 3 — 4" wide. — Perhaps distinct, but its claims cannot now be satisfactorily deter- mined. 2. X. FiMBRiATUs. Ell. Fringed Xyris. Scape tall, erect; lvs. linear-ensiform, about equaling the scape; head ob- long, with the scales loosely imbricated ; sepals much exserted, fimbriate. — A large species, found in N. J. (^Darlington) S. to Ga., Elliott. Scape 2 — 3f high. — I have never seen this species. Order CLIX. ERICAULONACE^.— Pipeworts. Herts perennial, aquatic, with linear, spongy, cellular leaves sheathing at base. F!s. moncecious or dioecious, in a dense head. Perianth 2 — 6-parted, or wanting. Sta. 6, some of them generally abortive. AnOiers mostly 1-celled. Ova. 1 or more-celled, cells 1 -seeded. Seeds pendulous. Genera 9, species 200, chiefly South American. They are of no known use. ERIOCAULON. Gr. epiov, wool, icavXoi, stem; the stem being sometimes woolly or tomentose. Flowers c? , collected into an imbricated head ; involucre many- leaved. (? in the disk ; perianth single, 3-cleft, the 2 inner seg- ments united nearly to their summit ; stamens 4 — 6. 9 in the margin ; perianth single, deeply 4-parted ; style 1 ; stigmas 2 or 3 ; capsule 2 — 3-celled, 2 — 3-lobed ; cells i -seeded. 1. E. SEPTANGULARE. With. (E. pellucidum. Michx.) Pipewort. Smooth ; scape slender, about 7-farrowed ; lvs. linear-subtdate, pellucid, channeled, 5-veined ; hd. small, globose ; scales of the involucre obtuse. — A small plant of simple structure, in water, only the scape arising above the sur- face. Leaves radical, submersed, in a small tuft at the bottom, 1 — 3' by 1 — 2", tapering to a point, transparent at base. Stem simple, erect, 4—12' high, with a small, terminal, hemispherical head of close, white flowers. Jn. 2. E. DECANGULARE. Michx. Tall Pipeicort. Scape 10-furrowed ; lvs. ensiform, glabrous ; hds. large, depressed-globose ; invol. scales oval, acute, those of the receptacle mucronate. — Ponds, N. J. to Car. Scape 2 — 3f high. Flowers very white. Aug. 3. E. GNAPHALoiDEs. Michx. (E. decangulare. Walt.) Scape somewhat compressed, with 10 furrows; lvs. short, subulate, ensi- form, glabrous ; hds. hemispheric-convex ; invol. of shining, scarious, ova], round-obtuse scales. — In still waters. Scape 10 — 14' high. July. CliASS IV. GliUMACEOUS ENDOGEXS. Flowers with glumes ; or floral organs enclosed in imbricated bracts, and arranged in spikelets, having no proper perianth (calyx or corolla). Ovary with one cell containing a solitary ovule and becoming a one-seeded fruit (achenium or caryopsis). Order CLX. CYPERACEJE— Sedges. Herbs mostly perennial, coarse, grass-like, caespitose. Root fibrous or rarely tuberous. Stems (culms) usually solid with pith, generally without joints or nodes, and triangular. Lvs. with their sheaths entire. Inflorescence mostly capitate orspicate. Fls. perfect or monoecious, solitarj' in the axil of each bract (glume, scale). Per. wanting, or represented by a few hypogjnous bristles, or a cup-shaped or saccate perigynium. Sta. definite (1—12), mostly 3. Anthers fixed by their base, entire, 2-celled. Ova. generally either surrounded by bristles, or invested in the saccate perigyniuTn. Ovule erect. Sti/. 2 or 3, more or less united. Stigmas undivided, rarely bifid. Fr. an achenium. Embryo in the end of the albumen ne.xt the hilum. Genera 1 12, species 2000. The sedges abound in almost all countries and climes of the globe, and in all localities, but are more common in the meadows, marshes and swamps of the temperate zones. About 25 genera and 340 species are known in North America. Properties. — They are in general little used for food or in the arts. Their coarse herbage is often eaten by cattle, but they are nearly destitute of the sweet and nutritious properties of the grasses. The leaves ot some of the larger species are used in Italy to bind flasks, and in weaving the bottoms of chairs. Yet, although of so little apparent value, their vast numbers authorize the belief that they subser^'e many highly important ends in the economy of nature. Conspectus of the Genera. ("Flowers in axillary, racemose spikelets DuUchium. 1 . . J ( Spikelets linear, many-flowered, distinct, loose. Cyperus. 2 distichously 1 < J Ach. triangular. Mariscus. 3 imbricated. I Fls. all terminal. ( Spikelets 1—2-flowered, in hds. ? Ach lenticular. KylUngia. 4 f Perigynium of 3 ovate, unguiculate petals, with 3 bristles. Fuireria. S I Leaves 0. Spike solitary, terminal. . Eleocharis. 6 [■ Bristles 3 — 6 Scirpus. 7 J Bristles numerous, long. . Eriophoruin. 8 Leaves 1 ^ Style 2-clett. . Fimbristylis. 9 present. . (. Bristles 0. ( Style 3-cleft. . Trichetostylis. 10 4 Bristles 3—6. Sty. deciduous. Scirpus. 7 Flowers all lateral. ( Bristles o. Leaves radical. . Heniicarpha. 11 \ Style short, bulbous at base. Rhynchospora. 13 Flowers TBrist. 3 — 6. ( Style very long, hom-like. . CeratoschcBnus.U both I ( Spikelets 20— 30-flowered. . Psilocarya. 12 axil.and 1 -4 Spikelets S Ach. corky, brown. Cladium. 15 . .- Jermin. I, Bristles 0. ( few flwrd. < Ach. bony, white. Scleria. 16 imbricated. ( Achenium enclosed in a saccate perigynium. Fls. declinous. . Carex. 17 Tribe 1. CYPERE^. — Flowers ^ . Spikelets distichously imbricated. 1. DULICHIUM. Gr. 6voi, two, \ei)(^r!v, scale; alluding Ui the glumes in two rows? Spikelets linear-lanceolate, subcompressed ; glumes sheathing, closely imbricated in 2 rows ; style long, bifid, the persistent base crowning the compressed achenium ; ovary invested with setas. — Stem leafy. Spikes axillary, racemose. D. spATHACEUM. Pers. (Cyperus. Linn. Scirpus. Michx.) St. round, leafy and somewhat 3-sided abore, thick, sheathed below; lvs. alternate, pointing 3 ways, 2 — 4' by 3" ; sheaths tubular, shorter than the inter- nodes; spikes axillary from within the sheaths and terminal, each consisting of 8 — 10 linear-lanceolate, alternate spikelets in 2 rows ; spikelets 5 — 7-flowered, nearly an inch in length ; glumes linear-lanceolate. — % Marshes, borders of streams, U. S. and Can. Aug. 2. CYPERUS. Spikelets compressed, distinct, many-flowered ; glumes imbricated in two, opposite rows, nearly all with a flower enclosed ; ovary generally without setae. — Mostly %. Stem simple, leafy at base, mostly triangii- lar, hearing an involucrate, simple or compo mid umbel at top. spirally or ( Ach. not irregularly < enclosed 566 CLX. CYPERACEiE. Cyperds. §. 1. Style 2-deft. Achenium compressed-lenticular. 1. C. FLAVESCENS. Yellow Sedge. St. leafy, triqi^etrous ; spikelets linear-lanceolate, 15 — 20-flowered, in fasci- cles of 3 or 4 ; invol. of 3, unequal leaves, longer than the spikes ; glumes ovate, obtuse ; style 2-cleft ; ach. mucronate, somewhat rugose, dark brown.— IJ. Marshy grounds, U. S., not common. Stems and leaves about 8' high, the former with yellowis'h-green spikes in a terminal umbel with unequal rays. Aug., Sept. 2. C. DiANDRUs. Torr. Diandrmis Sedge, St. slender, reclining ; umbels sessile, 1 — 2-rayed ; rays unequal ; invol. 3-leaved, the 2 outer leaves very long ; spikelets oblong-lanceolate, fiat, 14 — 16- flowered, collected into capitate fascicles ; glumes acute ; sta. 2 ; sty. 2-cleft ; ach. compressed.— Marshes, N. Eng. ! Mid. and W. States. Stem 6—12' long. Umbel somewhat paniculate. Glumes chestnut-colored. A delicately beauti- ful sedge. p. 1 castaneus. Torr. (C. castaneus. Bw.) Rays very short ; glumes close, subcoriaceous, green on the back. — N. Eng. ! Stems 4 — 8' high. 3. C. NuTTALLii. Torr. NuttalVs Sedge. St. acutely triquetrous, leafy at base ; Ivs. narrow-linear, nearly as high as the stem ; umbel loose, subsessile, about 3-rayed ; rays short ; invol. 4-leaved, the 2 outer leaves very long ; spikelets very acute, linear-lanceolate, fasciculate, brownish ; ach. oblong-obtuse. — % Salt marshes, N. Eng. to La. Stems 6 — 12' high, in dense tufts. Scales minutely 3-toothed. Stamens 2. 4. C. TENELLUs. Liuu. ? Torr. Slender Sedge. St. setaceous, very slender, 3 — 5' high ; Ivs. setaceous ; spikelets solitary, lance-linear ; invol. mostly of orte erect, setaceous leaf 1' in length ; scales rather loose, 3-veined on the keel ; sta. I; 5^!/. 2-cleft ; acA. oblong-obovate, much compressed, brown. — Monmouth Co., N. J., Dr. Cleaver, (Torr. Cyp., p. 258.) § 2. Style 3-cleft. Achenia triangular. * Spikelets alternate, in pinnatiform, subdistichous spikes. 5. C. STRiGosus. Bristle-spiked Galingale. St. triquetrous, leafy only at base ; Ivs. broad-linear, rough-margined, about as long as the stem ; umbel with elongated rays and oblong, loose spikes ; invohi£els 0 or setaceous ; spikelets numerous, linear-subulate, spreading hori- zontally, 8— lO-flowered, 7—9" long ; invol. of about 6 leaves, the 2 outer ones very long.— Wet grounds, U. S., frequent. Stem 1— 2f high, bulbous at base. Umbel yellowish. Sept. U. Rays with setaceous involucels 1' long ; spikelets very numerous, subulate, 3—4" long.— la. ! 6. C. MiCHAUxi.\NA. Schultes. (C. eruthrorhizos. Torr.) St. acutely triangular ; umbel compound, with short rays ; spikelets 6 — 9- flowered, the lower ones compound ; rachis very broad, easily separating at the joints; ova. ovoid-triangular, enfolded by the interior, adnate scales. — (i) Brack- ish swamps, generally near the sea. Middle and Southern States. Stem 12 — 15" high, reddened at the base, longer than the leaves. Spikelets 9" long, 7 — 9- flowered. 7. C. REPENs. Ell. (C. phymatodes. Muhl.) Rt. creeping, bearing small, round tubers at the extremities ; st. 1 — 2f high, 3-angled, striate; Ivs. subradical, as long as the stem; uvibel 4— 6-rayed; rays often branched, bearing 12 — 20 linear, obtuse spikelets somewhat in 2 rows ; sheaths obliquely truncate, involucels 0 ; spikelets 12 — 20-flowered, 6 — 8" long, the lowest generally fasciculate ; glumes yellowish. — 1\. Moist fields, N. Y. to la. ! and S. States. Aug. 8. C. sPEciosus. Vahl. Showy Sedge. St. acutely angled, about 3f high ; Ivs. deeply channeled, half as long as the stem ; umbels compound, about 8-rayed, rays alternate, 1 — 3' long ; ochrea fsheaths) deeply 2-paried; partial umbels with numerous, compound spikes, mvolucellate with setaceous bracts ; spikelets \imbellate. 5 — 8-flowered ; sta. 3. — Wet places, Columbus, Ohio, Sullivant. MARiscuy. CLX. CYPERACEiE. 567 * * Spikelets irregularly inserted all around the rachis. 9. C. ScHWEiNiTzii. Torr. Scheinitz's Sedge. St. 8 — 12' high, triquetrous, rough on the angles ; Ivs. shorter than the stem, about a line wide ; umbel simple, erect, 4 — 6-rayed, rays elongated, une- qual ; sheaths truncate, entire ; invol. 3 — 5-leaved, longer than the leaves, sca- brous on the margin ; spikelets 6 — 7, alternate, approximate, 6 — 8-flowered, with a small, setaceous bract at the base of each ; scaks membranaceous on the margin ; sta. 3 ; sty. 3-cleft, scarcely longer than the smooth achenia. — Shore of L. Ontario, Sartwell, of Lake Erie, Sullivant ! to Ark. 10. C. ERUTHRORHizos. Muhl. Red-Toot Sedge. St. 2 — 3f high, obtusel)'' triquetrous, longer than the leaves ; uTniel com- pound ; rays 5 — 9, 3 — 4' long, each with 3—4 sessile spikes ; sheaths entire ; spikelets very numerous, 6" long, crowded and spreading in the spikes, a little flattened, about l3-flowered; outer glumes mucronate, closely imbricated, chest- nut-brown, veinless and shining, the inner ones entirely free from the rachis ; sta. 3 ; ach. smooth and shining, much shorter than the glume. — Wet grounds. Penn. and Southern States. * * * Spikelets more or less aggregated in terminal masses. 11. C. FiLicuLMis. Vahl. (C. mariscoides. Ell.) St. slender, almost filiform, tuberous at base, 8 — 12' long, leafy only at base ; Ivs. mostly radical, carinate ; umiel simple and sessile, or with 1 or 2 rays ; spike- lets linear-lanceolate, 3 — 8-flowered, flattened when old, collected into globose heads ; s:lumes remote, loose, ovate, yellowish. — Dry, rocky hills, N. Eng. ! to Flor., W. to 111. ! Aug. 12. C. Grayii. Torr. St. 8 — 12' high, filiform, obtusely triangular, erect, tuberous at base ; Ivs. radical, channeled, about J" wide ; umbel 4— 6-rayed, capillary, erect, spread- ing ; sheaths truncate ; hds. loose, of 6 — 8 spikelets ; spikelets linear, compressed, 8 — 7-flowered ; scales ovate, veined, obtuse, imbricated, interior ones lanceolate ; sta. 3 ; sty. 3-cleft ; ach. obovate-triquetrous, § the length of the scale, gray, dot- ted.— Sandy fields, Mass., Oakes, L. I., Kneiskern, N. J., Torrey. Sept. (^Dr, Sartwell comm.) 13. C. DENTATus. Torr. St. about If high, leafy at base, triquetrous ; Ivs. a little shorter than the stem, strongly keeled ; U7!ibel compound, 6 — 10-rayed ; invol. of 3 unequal leaves, one of them longer than the umbel ; spikelets 3 on each peduncle, 3 — 7" long, ovate, flat, 8-flowered ; glumes acute, spreading at the points, giving the spike- lets a serrated appearance ; sty. 3-cleft ; ach. triangular. — % Swamps, N. Eng. ! and Middle States. 14. C. INFLEXUS. Muhl. St. setaceous, leafy at base, 2 — 3' high ; Ivs. equaling the stem ; umbel 2 — 3-rayed, or conglomerate and simple ; invol. of 3 long leaves ; spikelets ob- long, 8-—12-flowered, 10 — 20 together, densely crowded into the ovoid heads ; glumes yellowish, veined, squarrose-uncinate at tip* sta. 1. — Banks of streams, Free States ! and British Provinces. Aug., Sept. 15. C. ACUMiNATus. Torr. & Hook. St. 5 — 10' (3 — 4' Torr.) high, slender, obtusely triquetrous; Ivs. erect, radical, as long as the stem ; umbel 1 — 6 (1 — 2 Torr. )-rayed ; invol. 3 — 4-leaved, very long ; rays unequal, each with a globose head of 15— -40 spikelets ; spike- lets 2 — 11", oblong-linear, obtuse, 15 — 25-flowered ; /5. very regularly imbri- cated in 2 rows ; glumes acute, with the point recurved ; -sta. 1 ; ach. dull-gray- ish.— III. Mead'. Mo. Drummond. 3. MARISCUS. Vahl. Celtic 7nar, a marsh ; alluding to the place where some species grow. Spikelets subterete, clustered in heads, rarely with but 1 or 2 fer- tile flowers ; glumes imbricated somewhat in 2 rows, the lower ones short and empty ; rachis margined with the adnate, persistent, in- 48* 56y CLX. CYPERACE^. Fuirena. terior glumes ; stamens 3 ; style 3-cleft ; achenium triangular. — % Habit rf Cyperus. 1. M. ovuLARis. Vahl. (Cyperus. Gron.Turr. Scirpus echinatus. imTi.) St. triquetrous, nearly naked, 1— 2f high; Ivs. shorter than the stem, nearly smooth ; imbd simple; rai/s 3"— 2' long; Ms. 1—5, globose, 1 sessile, the rest on the spreading ravs ; spikelets linear-subulate, 6" long, 50—100 in each head ; fls. 2—4, 1—2 fertile ; invol. 3 — 4-leaved, outer leaves very long.— Bogs and low grounds, Middle and Western States, common. Aug., Sept. B. te?iellus. T orr. Slender and csespitose ; hds. ovate, small. y. cylindricus. Torr. Hds. oblong, cylindrical. 2. M. RETROFACTUs. Vahl. (Scirpus. Linn.) St. obtusely triangular, nearly leafless, pubescent, 2 — 3f high ; Ivs. pu- bescent, 3 — 4" wide, about half as long as the stem ; umbels simple ; rays unequal, long, 6 — 8; invol. 3 — 5-leaved; bmcis unequal, not longer than the rays; spikelets 70 — 100, subulate, 1-flowered, finally retrorsely imbricate into obovate heads ; 2 linver glumes empty. — A rare species. Middle and Western States. Aug., Sept. 4. KYLLINGIA. In honor of Peter Kylling, a Danish botanist. Spikelets compressed ; scales about 4, the two lowest short and empty, the third only usually with a fertile flower ; stam. 1 — 3 ; style long, 2-cleft ; achenia lenticular. — Steins triangular. Hds. ses- sile., solitary or aggregated.^ involucrate. l.K. puMiLA. Michx. Csespitose ; st. 2 — 12' high, slender ; Ivs. mostly radical, shorter than the stem, smooth ; hds. generally solitary, sometimes triple, closely sessile, oval or oblong ; invol. 3-leaved, 1 — 2' long ; spikelets 1-flowered, very numerous, about 2" long; the lowest glume or glumes very small; sta. always 2; ach. lens- shaped, fulvous. — Wet banks, Columbus, Ohio (Sullivant!) Ky. (Short) and Southern States. 2. K. MONOCEPHALA. St. slender, 10 — 15' high, leafy at base ; Ivs. much .shorter than the stem, 1" wide; Ad. simple, globose, dense, inclining; invol. 3-leaved, the highest leaflet erect; spikelets ntunerous, 1-flowered; two lower glumes minute, two upper striate, subequal, serrulate, ciliate on the keel. — Mass., ]S. Y. to Ga. Tribe 2. HYPOLYTRE^. 5. FUIRENA. Rottball. In honor of George Fuiren, a Dutch botanist. Glumes awned, imbricated on all sides into a spike ; pet.aloid scales 3, cordate, awned, unguiculate, investing the achenium. — % St. angular, leafy. Spikes subumbclcd, axillary and terminal. 1. F. sauARRosA. Michx. St. 1 — 2f high, obtusely triangular, sulcate ; Ivs. ciliate, shorter than the stem ; sheaths hispid-pilose ; spikes clustered, ovate, mostly terminal, 6 — 12 ; awns nearly as long as the glumes ; petaloid scales ovate, cuspidate with a short bristle ; ach. twice the length of the stipe. — Bogs and swamps, N. J. to Car. Sept. 2. F. PUMILA. Spr. (F. squarrosa. /?. Torr.) SI. pubescent above, 3 — 6' high; Ivs. linear-lanceolate, flat, striate, as long as the stem ; spikes 1, 2 or 3, thick, subtended by 2 — 3 long, involucrate, unequal leaves ; glumes ovate-lanceolate, with short awns ; petaloid scales ovate- lanceolate ; ach. pedicellate, with retrorsely hispid setae. Wet, sandy places. Aug. Eleocharis. CLX. CYPERACE^. 569 Tribe 3. SCIRPE.E.— Flowers ^ . Glumes of the spikelet inabricated all around. Perigynium none, or setaceous. 6. ELEOCHARIS. R.Br. &/•. eXof J a marsh, ;^;aipco, to rejoice ; plants delighting in marshy grounds. Spikes terete ; bristles of the perigynium mostly 6 (3 — 12), rigid, persistent ; styles 2 — 3-cleft, articulated to the ovary ; achenium crowned with a tubercle which is the persistent, bulbous base of the style. — Stem simple^ leafless. Spike solitary^ terminal. § Spikes cylindrical.! length more than three times the diameter. 1. E. EauisEToiDEs. Torr. (Scirpus. Elliott.') Horse-tail Rush. St. about 2f high, papillose, terete, 2 — 3" diam., with about 30 joints, pro- duced by internal, transverse partitions; sheath radical, obtuse, membranous; spike oblong-cylindrical, about 1' in length, acute and slightly contracted at case ; glumes roimdish-ovate, cartilaginous, obtuse ; bristles G, as long as the achenium; stii. 3-cleft; ach. brown, shining. — Bogs, Cumberland, R. I., Olncij ! Del. to Ga. It strikingly resembles Equisetum hyemale. 2. E. auADRANGaLATA. R. Br. (Scirpus. Mlchx.) St. 2 — 4f high, acutely and unequally quadrangular, the broadest side convex, the others concave ; sheaths radical, purplish ; spike 1' or more in length ; glumes roundish-ovate, obtuse, coriaceous ; bristles 6 ; ach. obovate, of a dull white. — Penn., Md., Dr. Robbins, to Ga. and La. In swamps and inundated banks. 3. E. RoEBiNsii. Oakes. Rabbins' Chib Rush. Sts. clustered, 9 — 25' high, rigid, sharply triangular, pale green, several of them fruitless ; s/ieath truncate ; spike 3 — 12" long, scarcely thicker than the stem, placed 2 — 5" below its apex ! glumes 3 — 9, linear-lanceolate, acute, finally brownish ; bristles 6, twice longer than the achenium; ach. 1" long, pale brown ; tubercle closely sessile. — Ponds and ditches, N. H. and Mass., Rickard! Very distinct. In water a part of the stems are floating and as fine as hairs. July. § § Spike ovate, length less than three times the diameter. * Stems terete. 4. E. PALusTRis. R. Br. (Scirpus. Linn.) Marsh Club Rush. St. leafless, round, inflated ; spilcelels smooth and shining, lance-oblong, acute, often oblique, terminal ; glumes subacute, the lower ones larger, some- times empty. — Low grounds, U. S. and Brit. Am. Root creeping. Stems nu- merous, 1 — 2if high, each with an obtuse sheath at the base. Achenium round- ish-obovoid, rugose, punctate, surrounded with 3 or 4 scabrous bristles, and crowned with a tubercle. July. 5. E. OBTusA. Schultes. (Scirpus obtusus. Willd. Scirpus capitatus. TF«/<.) St. sulcate, subterete, 6 — 15' high ; spikelet ovoid, very obtuse, often near- ly globose ; glivmcs round, dark brown, with whitish margins ; ach. obovate, compressed, smooth, brown, invested with 6 setae as long as the glumes. — Shal- low waters. Can. and U. S., common. July. 6. E. TUBERCULOSA. R. Br. (Scirpus. Michx.) St. columnar, striate, 12' high, leafless, sheathed at base ; spikelet ovate- lanceolate; glumes very obtuse, loose ; acA. .somewhat triquetrous, smaller than the sagittate" tubercle with which it is crowned ; bristles 6, as long as the tuber- cle.— Sandy swamps, N. Eng. ! to Flor. Remarkable for its large tubercle. Jl. * * Stems compressed or angular. 7. E. oLivACEA. Torr. Sts. Ccespitose, 2 — 1' high, slender, compressed, sulcate, soft ; spike ovate, acutish 2 — 3" long, 20 — 30-tiowered ; glumes ovate, obtuse, reddish-brown, with scarious edges and a green midvein, the lowest largest ; bristles G ; .<;/(/. 2-cleft ; ach. broadly obovate, smooth, of a dull, blackish-olive color when ripe. — Sands, generally partly submersed. Providence, R. I., Olney! Mass. to N. J. 8. E. INTERMEDIA. Schultes. (Scirpus. Muhl.) "Purf Club Rush. St. ccespitose, setaceous, difi'use, compressed, furrowed, hard and wiry, 570 CLX. CYPERACEiE. Scirpls. 6 9' long ; spike acute, 2 — 3" long, 7 — 9-flowered ; glumes lance-ovate, acute, reddish-brown, with a green midvein ; bristles 6, white, longer than the ache- nium • sty. 3-cleft ; ach. obovate, attenuated to the base, striate, of a light brown color.— In running water, forming a strong, dense turf, N. H. ! to Ga.,W. to Ohio, July. 9. E. AcicuLARis. R. Br. (Scirpus. Linn.) Hair Club Rush. St. leafless, setaceous, quadrangular, very slender, 3 — 6' high ; spikelets oblong-ovate, acute, 4 — 8-flowered ; glumes obtusish, the lowest one larger and empty ; ach. obovoid, triangular, verrucose, yellow and shining. — Edges of ponds, often partly submersed, U. S. and Brit. Am. Very delicate. June, July. 10. E. TENUIS. Schultes. (Scirpus. Willd.) Slender Club Rush. St. leafless, almost filiform, quadrangular, the sides sulcate, 8 — 15' high, with a long, purple sheath at base ; spike terminal, elliptic-oval, acute at each end; glumes dark purple, ovate, obtuse, the lower ones larger and empty ; ova. roundish, tapering below, invested with 2 or 3 or 0 setae. — Common in wet places, N. Eng. and Mid. States. June, July. 11. E. MELAN0CARP.4. Torr. (Scirpus. Baldwin.) Black-fruited Club Rush. S^s. compressed, furrowed, slender, almost filiform, wiry, 12 — 18' high; sheaths truncate ; spike lance-oblong, rather acute, 4 — 6" in length, 20 — 40-flow- ered ; glumes ovate, obtuse, brownish, with scarious margins and a prominent, yellowish midvein ; bristles 3, purple ; ach. obovate-turbinate, blackish ; tubercle broad, flat, pointed in the centre. — Providence, R. I., Olney ! 12. E. piGMJiA. Torr. St. 1 —2' high, setaceous, compressed, sulcate ; spikes ovate, compressed, 3 — 6-flowered, mostly empty ; bristles 6, longer than the achenium, slender, scabrous backwards ; ach. ovate, acute, triangular, whitish and shining ; tuber- cle minute. — Sea coast, Mass., Oakes. Sept. (Z?r. Sartwell, comm.) 13. E. ROSTELLATA. Torr. inN. Y. Fl. ined. (Scirpus. Torr. Cyp.,p.3l8.) St. 15 — 20' high, clustered, angular and sulcate, slender, almost filiform, rigid; sheaths obliquely trnncate, the lowest blackish at summit; spike lance- ovate, acute, 3 — i" long ; glumes 12 — 20, lance-ovate, smooth, light broAvn, edge scarious ; bristles 4 — 6 ; ach. broadly obovate, biconvex, light olive-brown, with a long, slightly tuberculate beak. — R. I., Olncy ! N. Y., Sartwell. 14. E. COMPRESSA. Sullivant ! Mat-stemmed Club Rush. St. 12 — 18' high, cagspitose, much compressed, narrowly linear, striate; sheath close, truncate ; spike oblong-ovate, 3 — 5" in length, 20 — 30-flowered ; glumes ovate-lanceolate, acute, mostly 2-cleft at apex, dark purple on the back, with a broad, scarious margin; bristles 0; ach. obovate-pyriform, shining, mi- nutely punctate, of a light, shining yellow, the minute tubercle fuscous. — Wet places, near Columbus, Ohio ! A very remarkable species. 7. SCIRPUS. Celtic drs, the general name for rushes. Glumes imbricated on all sides ; perigynium of 3 — 6 bristles, per- sistent ; sty. 2 — 3-cleft, not tuberculate at base, deciduous ; achenium biconvex or triangular. — % Stems mostly triquetrous.^ simple, rarely leafless. Spikes solitary, conglornerated or corymbose. § 1. Bristles not exceeding the achenium, retrorsely denticulate. * Spike solifnry, nearly or quite terminal. 1. S. PLANiFOLius. Muhl. Mat-leaved Club Rush. St. caespitose, leafy at base, acutely and roughly 3-angled, 5 — 10' high ; Ivs. broad-linear, flat, rough on the margin, equaling the stem; spike oblong- lanceolate, compressed, terminal, 4 — 8-flowered ; ghnncs ovate-mucronate, yel- lowish ; bracts at the base of the spike, cuspidate, outer ones longer than the spike; ach. reddish-brown, invested with 6 bristles longer than itself. — In cold, hard soils, Mass., Robbins ! N. Y. to Del. June. 2. S. suBTERMiNALi.s, Torr. St. floating, furrowed, inflated, leafy below, 3f long ; Ivs. very narrow, SciKPus. CLX. CYPERACEiE. 571 almost capillary, 2 — 4f long ; spike solitary, somewhat terminal (the stem being continued above it in the form of a bract), lanceolate ; style 2-cleft ; bristles 6.— Streams, &c., Mass. ! to N. Y. Aug. 3. S. CjEspitosu.s. Dracted Mountain Rush. Sis. coespitose, round, sheathed at base with numerous rudiments of leaves • fpikes compressed, terminal ; 2 lower glumes involucre-like, as long as the spike ; ach. with 6 bristles. — Grows in dense tufts, 4 — 12' high. Spike 4 5-flowered' reddish-brown. On the White Mts., N. H., Bw. July. ' * * Spikes many, lateral. 4. S. ToRREYi. Olney. (S. mucronatus. Ph. ? Torr.) St. 2f high, 3-angled, with concave sides, rather slender, leafy at the base ; Ivs. 2 or 3, If or more long, slender; spikes 2-4 (rarely 1), sessile, dis- tinct, acute, ovate-oblong; scales ovate, mucronate, smooth; 5^;/. 3-cleft; ach. obovate, acuminate, unequally 3-sided, shorter than the bristles.— Borders of ponds, N. Eng. to Mich. The stem, here and in the following, is prolonged above the spikes, in the form of an involucral leaf. Jl. Aug. 5. S. DEBiLis. Pursh. Weak-stemmed Rush. St. cffispitose, roundish, deeply striate, 9—16' high, with a few subulate leaves at base ; spikelets about 3, short-ovoid, sessile, crowded, subterminal ; glumes ovate, obtuse, carinate, pale green ; ach. obovate, mucronate ; bristles 4— 5. — Borders of ponds and rivulets, N. Eng. to Car. Aug. 6. S. TRiatJETER. Michx. (S. Americanus. Pers.) Three-cornered Rush. St. nearly naked, 3-angled, corners acute and two of the sides concave, about 3f high and ending in a sharp point ; Ivs. few and short, from the top of the sheath ; spikes lateral, 1 — 5, ovate, crowded and sessile, at various distances below the point ; glumes round-ovate, mucronate ; bristles 6. — Ponds and marshes fresh and salt, throughout N. America. 7. S. LAcrsTRis. (S. acutus. Muhl.) Lake Bullrush. Scape smooth, leafless, filled with a porous pith, 5 — 8f high, cylindric tapering above the panicle, and abruptly ending in a short cusp ; panicle cymose near the top ; ped. rough, twice compound ; spikelets ovoid, closely imbricate ; scales ovate, mucronate, pubescent ; bracts shorter than the panicle. — The largest .species of bullrush, frequenting the muddy margins of rivers and ponds U. S. to Ai'c. Am. July. 8. S. Olneyi. a. Gr. Olney's Rush. St. triquetrous- winged, leafless, 2 — 7f high ; sheath radical, tipped with a short (1 — 2') leaf; spikes 6 — 12, sessile, aggregated, 2 — 3" long, placed 9 — 12" below the triangular apex of the stem ; glumes roundish-ovate, mucronate ; bristles 6 — 12; ach. obovate, plano-convex, gibbous at apex. — Salt marshes, Sekonk river, R. I., Ohiey 1 Tom river, N. Y., Kneiskern. Remarkably distin- guished by its 3-winged stem. July. See also Addenda, p. 638. * * * Spikes terminal. 9. S. MARiTiMCs. Sea Bullrush. St. acutely 3-angled, leafy, 2 — 3f high; Ivs. broad-linear, rough-edged, carinate, taller than the stem ; spikes conglomerate, 6 — 10, nearly an inch long, corymbose; i7ivol. of about 3 very long leaves; glumes ovate, 3-cleft, the middle segment subulate and reflexed ; style 3-cleft ; bristles 3 — 4, much shorter than the broad-obovate, lenticular, dark brown, polished achenium. — Salt marshes N. Eng. ! to Flor. Aug. P.JluviatiUs. Torr. Umbel somewhat compound; b^-istles 6, as long as the obovate, triangular, dull grayish achenium. — Fresh water swamps and lakes, Western N. Y. to Wis., Lapham ! and Mo. 10. S. ATROVlRENS. Muhl. St. obtusely triangular, leafy, 2f high ; cyine compound, proliferous ; i)ivol. of 3 leaf-like bracts, longer than the cyme ; spikes ovate, acute, crowded, 10 — 20 in a globose head; hds. numerous, i' diam., dark green; glumes ovate, mucro- nate ; ach. A\hite, smooth ; bristles 4. — Common in meadows. Middle and Western States. June, July. 572 CLX. CYPERACEiE. Eriophorum. 11. S. BRUNNEUS. Muhl. St. obtusely triangular, leafy, 2 — 3f high ; cyme decompound, its principal branches about 5, unequal, with truncate sheaths at base ; spikelefs clustered in heads of 3 — 6 ; glumes obtuse, reddish-brown ; ach. smooth, yellowish-white, shorter than the 4 or 5 tortuous bristles. — Much resembles the last species. Margins of waters, N. Eng. to Penn, W. to Ohio, rare. § 2. Tricophorum. Bristles 6, much longer than theachenium, tortuous, smoothish. Stem leafy. Umbel decompound. 12. S. Eriophorum. Michx. (Tricophorum cyperinum. Pers.) St. obtusely triangular, leafy, 3 — 5f high ; lis. "2f long, rough-edged ; utw- bel terminal, decompound, large and loose ; spikes mostly pedicellate ; bristles Q, capillary, curled, very conspicuous, being 5 or 6 times as long as the white achenium. — A common, stitf, rank meadow sedge, which cattle do not eat, U. S. and Can. Spikes numerous, 2 — 3" long, ovoid, obtuse, in small clusters, in a large, showy panicle. Involucre 4-leaved. Aug. 13. S. LiNEATUS. Michx. (Tricophorum. Pers.) St. triangular, very leafy, 2 — 3f high ; umbels tenninal and axillary, de- compound, at length nodding ; invol. of 1 — 2 bracts, longer than the leaves ; spikes ovoid, pedunculate, solitary ; glumes lanceolate, ferruginous ; bristles 6, as long as the glumes. — Swamps, in most of the States. Aug. 8. ERIOPHORUM. Gr. epiov, wool, 0£pa), to bear; alluding to the copious bristles of the perigynum. Glumes imbricated all around into a spike ; achenium invested in very long, dense, woolly or cottony hairs. — Stem generally leafy. Spikelets mostly in umbels. finally clothed with the long., silky hairs. * Spikelet solitary. 1. E. ALPiNUM. • St. very slender, acutel}'- 3-angled, naked, somewhat scabrous, 8 — 16' high, with 3 — 4 radical sheaths; radical Zrs. very short, subulate ; spike oblong, ter- minal, about 2" in length ; hairs 6 to each flower, woolly, white, crisped, 4 times as long as the spike. — Bog meadows, often alpine, N. H. ! to N. Y. and Penn. Jl. 2. E. VAGiNATUM. Sheathed Cotton Grass. Sts. densely caespitose, obtusely triangular, slender, smooth and rigid, 1 — 2f high ; uppermost sheaths inflated ; spikelet ovate, oblong, 6 — 8" long, of a blackish color, with scarious glumes ; hairs 30 — ^10 to each flower, straight, white and glossy, twice as long as the spikelet, conspicuous, as well as in other species, even at a distance among the meadow grass. — N. Eng. to Mich., N. to Arc. Am. June, July. ♦ * Spikelets numerous. 3. E. coNFERTissiMUM. Wood. Dense-hcadcd Eriophorum. St. strictly erect, firm but slender, 2 — 3f high ; Ivs. narrowly linear, chan- neled, rigid, triangular-subulate above, 8 — 12' long; sheaths close; invol. 2- leaved, one leaf twice, the other 4 — 5 times longer than the spikelets; spikelets 5 — 8, crowded, erect, on very short (2 — 4"), slightly scabrous peduncles, 20 — 30- flowered ; glumes obovate, carinate, very obtuse ; ach. compressed, oblanceolate, li" long, flat on one side, carinate on the other ; bristles 100 — 200, white, J' long, straight and silky. — Bogs, Meriden, N. H. ! Distinguished for its very large and dense heads. 4. E. POLYSTACHYUM. Many-spUced Cotton Grnss. St. somewhat triangular, smooth, 1 — 2f high ; cauline Ivs. 2 — 3, broad- linear, flattened below, triquetrous at the end ; spikelets about 10, on rough pe- duncles which are long and drooping and sometimes branched ; setce 30 — 40 to each flower, reddish-white, 6 — 8" long. — Very conspicuous in meadows and swamps, U. S. and Brit. Am. 5. E. ANGUSTiFOLiuM. Rich. Narroic-leaved Cottoii Grass. S<. slender, leafy, smooth, 10 — 15' high; cauline Ivs. narrow, 3-cornerecl, with concave sides, 1 — 3' long ; invol. of one bract, with a loosely sheathing Hemicarpha. CLX. CYPERACEtE. 573 base ; spikelets 2 — 4, on short peduncles, nodding ; set(E 40—50 to a flower, long-, white and cottony.— Swamps, N. States and Brit. Am. July. 6. E. ViRGiNicuM. Virginian Cotton grass. St. nearly round, leafy, smooth, 2— 3f high ; Ivs. flat, few, long, with scabrous margins ; i7ivot. 2 — 4-leaved, outer leaves much longer ; spikeiets in a sort of umbel, erect, nearly sessile ; glumes ovate, brown at the sides ; keel green ; hairs 50—60, reddish-white, long and cottony.— Wet grounds, U. S. and Can. 9. FlMBRISTtLIS. Vahl. hat. Jlmbris, a fringe, stylus, style ; from the ciliate style. Glumes imbricated on all sides ; bristles 0 ; style compressed, 2-cleft, bulbous at base, deciduous, often ciliate on the margin. — % with the habit of Scirpus. 1. F. Baldwiniana. Torr. (Scirpus Baldwinianus. Schult. S. ferrugin- eus. Darl.)—St. 2—12' high, compressed, deeply striate, leafy at base ; umbel mostly simple, 3— 4-rayed, central spikelets sessile; invol. subulate, 2-leaved, as long as the umbel ; spikelets ovoid, acute ; glumes ovate, brown ; sty. bifid, ciliate; ach. white, longitudinally furrowed. — Swamps and damp places, Middle, Southern and Western States. July, 2. F. spadicea. Vahl. (Scirpus spad. Linn. S. castaneus. Michx.) St. 1 2f high, hard and rigid, compressed, nearly naked; Ivs. 5 — 6' high, filiform, channeled inside, semi-terete outside, lower ones rust-colored ; umbel of few rays, rather exceeding the 2 — 3 subulate, involucre leaves ; spikes ovate-oblong, 3 — 6" long ; glumes broad-ovate, mucronate, finally of a dark, shining, chestnut brown ; sty. conspicuously fimbriate ; ach. whitish. — Marshes, N. J. to La. Aug. 10. TRICHELOST"?LIS. Le.stiboudois. Gr. Tpiyn^oi, threefold, oriiXos; from the character. Glumes in 4 — 8 ranks, carinate ; bristles 0 ; style 3-cleft, decidu- ous below the bulb at the base ; achenium triangular. — % Stems leafy at the base. Spikes usually in termirial umbels. 1. T. MUCRONULATUs. Torr. (Scirpus muc. Michx. Fimbristylis autum- nalis. E. f Carex. CLX. CYPERACE.E. 583 II. Stigmas three. D. iSpikes ajidrogynous. MoncEcious. I« Stamens at the su7nmit. a> Spike single. 53. C. POLYTRicHoiDEs. Muhl. (C. microstachya. 3Ix.) Spike oblong, terminal ; perig. 3 — 8, oblong, alternate, subtriquetrous, gla- brous, emarginate, twice longer than the ovate and obtuse, and rarely mucro- nate glume; st. 4 — 12' high, very slender, with setaceous and subradical leaves. — Common in wet and cold grounds. 54. C. LENEOGLocHiN. Ehrh. (C. pauciflora. Lighffoof.) Spike about 4-flowered, with 1 or 2 J* flowers at the apex ; perig. lanceo- late, subtriquetrous and tapering, much reilexed, twice longer than the oblong- lanceolate glume; St. 3 — 8' high, with subradical and linear leaves. — In Ashfield and Hawley, Mass., in a marsh, Porter. b. One or more radical peduncles with a single spike. 55. C. PEDCNCCLATA. Muhl. Spikes about 5, 3-sided, distant, long, recurved, pedunculate ; perig. obo- vate, triquetrous, recurved at the apex, commonly glabrous, a little longer than the oblong or obovate, mucronate glume; sL 4 — 12' high, triangular, rather procumbent; sta. sometimes removed a little from the 9 spike. — Common in woods. Flowers early in the .spring. 56. C. WiLLDENOWii. Schk. Sts. or radical ped. 1 — 3 ; spike commonly single, stameniferous above, or the stamens removed a little ; perig. 3 — 6, alternate, loose, oblong and inflated a little, tapering at the base and conic-rostrate above ; 9 glumes ovate and acute the lower ones long and leaf-like, much surpassing the stem. — On dry grounds' common throughout the U. S.— One variety has the J> spike distinct; another is destitute of the long and leafy scales, and is frequent at the North as well as in Flor. 57. C. Stexdelii. Kth. Sts. or radical ped. 1 — 8' long ; spike commonly single, stameniferous above; perig. 1 — 4, subglobose or ellipsoid and inflated, alternate, stipitate, terete and conic-rostrate, with an oblique orifice ; 9 glumes usually long and leafy ; Ivs. smooth, soft, narrow, longer far than the stems. — Jefferson Co., N. Y., and in Ohio and the Western States. 58. C. Backii. Boott. Ped. radical, 1 — 4f high, stiif, thick or large; spike single, commonly sta- meniferous above, short ; perig. ovate, globose, smooth, conic-rostrate, entire at the orifice, when mature pear-"shaped, the beak articulated to the fruit ; 9 glwnes usually long and leaf-like, enclosing the fruit; Ivs. radical, flat, thick, rough or scabrous and short. — Jeflerson Co., N. Y. and Arctic Am. — The three preceding species are closely related, and yet look very diflerent. 2. Spikes staminate at the base. Ct Spikes one, often more. 59. C. SaUARROSA. Spikes 1 — 4, oblong, cylindric, obtuse, upper one attenuated below at first by the decurrent, (f flowers, all very densely flowered ; perig. ovate, subglobose, long-rostrate, 2-toothed, horizontal, glabrous and subsquarrose, longer than the lanceolate glume ; st. 1 — 2f high, slender for the large spike or spikes ; lower spikes pedunculate. — Large and fine. It is C. typhirea Mx. when only one spike is present. (S. (C typhinoides. Schw.) Spikes 2, the lower on a very long peduncle, and both longer and smaller. E. Spikes dicEcious. 60. C. SCIRPOIDEA. Mx. Spike oblong, cylindric, acutish ; ^ glume oblong, obtusish ; perig. ovate, (oval), subrostrate, pubescent, longer than the ovate, acutish glume, scarious on the edge ; st. 4 — 10' high, erect ; Ivs. flat and long. — White Mts., N. H., Oakes. 584 CLX. CYPERACEiE. Carex. F. Terminal spike androgynous^ pistillate at the summit ; the other pis- tillate. 61. C. viREScENS. Muhl. Spikes 2 — 4, oblong, erect, alternate, the lower subsessile, bracteate ; upper spike very rarely wholly J" ; perig. ovate, obtuse, costate, pubescent, longer than the ovate, pubescent and mucronate glume, or about equal to it ; st. 1 — '2f high, rather slender ; Ivs. towards the base. — Whole plant pubescent and light green. /?. costata. Schw. Perig. strongly costate, oider sJwatJis purplish-brown ; Ivs. numerous and larger. — Both are common in open woods and hedges. 62. C. HIRStJTA. Spikes 3, short-oblong, thick, alternate, erect, the lower subsessile and long- bracteate, all approximate and densely flowered ; perig. ovate, triquetrous, nerved, obtuse, entire at the orifice, glabrous in maturity, about equal to the ovate, acuminate, glabrous glume ; st. 12 — 20' high ; Ivs. and sheaths retrorsely pubescent ; upper spike very rarely all (^. — Moist upland meadows. Common. /?. pedmiculata. Torr. Spikes oblong-cylindric, pedunculate ; Ivs. slightly pubescent. — Common. C. triceps (Mc.) much resembles this, — is not pubes- cent but glabrous. 63. BuxBAUMii. Wahl. Spikes about 4, cylindric, thick, upper one sometimes wholly J', and sometimes ^ above and below; pistilliferous oblong, subremote, subsessile, bracteate ; perig. ovate-oblong, acutish, or obovate, obtuse, subtriquetrous, entire at the orifice, nerved and glabrous, scarcely equal to the oblong and mu- cronate glume ; st. 10 — 18' high, leafy towards the base. — Common in wet grounds. It is described as sometimes having 2 stigmas in Europe, but placed by Schk., Wahl., &c., in the division having 3. 64. C. GRACILLIMA. Schw. Spikes 3 — 4, long, graceful, sub-loose-flowered, distant, long-pedicellate, recurved in maturity, bracteate, upper one rarely all J^ ; perig. oblong, trique- trous, obtuse, oblique at the orifice, slightly 2-lobed, longer than the oblong and obtuse and short-awned glume ; st. often 2f high, reddish towards the base, leafy and subprocumbent, pale green. — Common in damp meadows. 65. C. FORMOSA. Dew. Spikes 3 — 4, oblong, short and thick, distant, 1-sided, on a long and slen- der peduncle, recurved; perig. oblong, triquetrous, subinflated, acutish at either end, nearly entire or 2-lobed at the orifice, twice longer than the ovate and acute glume ; st. 1 — 2f high, 3-sided, dark brown towards the base, yellowish bright green. — Common in wet meadows. 66. C. Davisii. Torr. (C. Torreyana. Deio.) Spikes 4, oblong, cylindric, subsparsely flowered, remote, pedicellate, pen- dulous in maturity; perig. oblong-conic, subinflated, subtriquetrous, nerved, acutish, short-rostrate, 2-lobed at the orifice, glabrous towards maturity, about equaling the oblong, scabrous-awned glume ; st. 1 — 2f high, triquetrous, sca- brous above, with leaves equaling it ; lis. and sheaths pubescent, sometimes but very little, light green. — First found on the alluvial meadows of the Housa- lonic in Mass., Deivey. Sometimes nearly pubescent. G. Stamifiate spike single. I. Pistillate spikes short and sessile or nearly sessik. Pcryginia radiating or diverging. 67. C. VARiA. Muhl. S" Spike erect, short or subelongated ; 9 spikes 3, ovate, sessile, rather near, bracteate, few-flowered ; perig. ovate or sub-globose, subtriquetrous, acu- minate-rostrate, bifid, scabro-pubescent, about equal to the ovate, acuminate giume ; St. 6—15' high, erect, slender, purple towards the base. Pale green. Dry woods and hedges ; common. /?. vedicellata. Dew, has pistillate spikes ovate-oblong, short-pedicellate, prect, loose-flowered ; perig. more numerous.— Grows in the same situations. Carex. CLX. CYPERACE^. 585 68. C. PENN-sYLVANicA. Lam. (C. marginata. Muhl.) (^ Spike erect, pedunculate, suDtriquetrous, with an obtuse glume ; 9 spikes 1 — 3, ovate, subsessile, .subapproximate, few-flowered ; perig. ovate-glo- bose, tomentose, .short-rostrate, slightly 2-toothed, about equal to the ovate- acuminate, or oblong-acuminate, deep reddish glume ; st. 4 — 12' high, erect, stiff, with short leaves. — Open woods and hedges, common much resembles the preceding, but larger in all its parts, and readily distinguished by its differ- ent aspect and its deep reddish-brown scales. 69. C. Emmonsii. Dew. (^ Spike sessile, short ; 9 spikes 2 — 3, approximate, sessile, few-flowered, often one long radical peduncle ; perig. globose-triqiietrous, attenuated at the base, rostrate, pubescent, at the orifice oblique, about equal to the ovate glume ; St. decumbent, 6 — 10' high, leafy at the base, pale ash-green. — On dry fields and hills ; common. 70. C. Nov^i-ANGLia;. Schw. (^ Spike short, slender, oblong ; ^ spikes 2 — 3, ovate, alternate, sessile, remotish, few-flowered, bracteate ; peng. 3—6, oval-triquetrous, rostrate, cos- tate, slightly pubescent, a little longer than the ovate, mucronate glume ; st. 4 — 8' high, slender, subdecumbent, longer than the leaves. — Pale green. Open woods in high grounds. p. colkcta. Dew. (C. collecta. Dew.) St. 10 — 16' high, very slender erect; 9 spikes 2 — 4, lower short-pedunculate ; perig. more tapering into a beak, slightly bidentate. — High lands of Mass. ; not abundant. 71. C. UMBELLATA. Schk. J' Spike short, erect ; 9 spikes several, each on its radical peduncle, ovate, subumbellate ; perig. ovate or globo.se, 5—8, acutish at either end, rostrate, short-bid entate, pubescent, equaling the ovate-lanceolate glume; st. J — 4' high, with very long leaves. p. ricina. Dew. lor'i 9 spikes close to the (^, sessile ; tlie other Q spikes on their own stems or radical peduncles. — In small tufts on dry hills. Both varie- ties grow on the same root, but Schk. saw and figured only the fii'st. 72. C. PRECOX. Jacq. (^ Spike erect, subclavate ; ^ spikes 1 — 3, ovate, bracteate, approximate, lower one short-pedunculate ; perig. 6 — 12, ovate and subglobose, triquetrous, pubescent, short-rostrate, equal to the ovate, acute, or mucronate glume ; st. 2 — 6' high, leafy at the base. — On rocky hills, Salem, Mass., Pickering, Ips- wich, Mass., Oakes. 2. Pistillate spikes with nearly inclosed peduncles. 73. C. VESTiTA. Willd. (^ Spike single, rarel)' 2, cylindric, oblong ; 9 spikes 2, ovate-oblong, ses- sile, subapproximate, bracteate, often with stamens above ; perig. ovate, oblong, subtriquetrous, nerved, short-rostrate, bifid, pubescent, a little longer than the ovate-oblong, acutish, submucronate glume ; st. 18 — 30' high, acutely triangu- lar and leaf}^ below. — Common in wet places over the country. 74. C. puBEscENs. Muhl. 9 Spikes 2 — 3, oblong, rather loose-flowered, erect, bracteate, the lowest pedunculate ; perig. ovate-triquetrous, rostrate, nearly entire at mouth, pubes- cent, a little longer than the ovate-oblong, carinate, mucronate glume; st. 10 — 20' high, and with the leaves, pubescent. — Moist woods and meadows ; common. 75. C. FLAVA. L. 9 Spikes 2 — 4, ovate-oblong, approximate, sometimes androgynous ; perig. ovate, closely imbricate, costate, bidentate, reflexed with a long, curved beak, longer than the ovate-lanceolate glume; st. 10 — 20' high, rather obtusely angled or triquetrous ; glabrous ; yellowish-green. — Wet and cold soils ; com- mon. 76. C. LEPiDOCARPA. Taush. 9 Spikes 1 — 3, short and round-ovate, often aggregated, sessile, dense- flowered, the lowest sometimes remote and pedunculate ; perig. ovate, trique- 586 CLX. CYPERACEiE. Carex. trons, inflated, nerved, rostrate, and at last recurved, 2-toothed, diverging, twice longer than the ovate and obtuse glumes ; -plant yellowish-green. — Mass., N. y., Mich. — Formerly confounded with C. flava. 77. C. iEoERi. Spikes sometimes androgynous; 9 about 4, clustered, nearly sessile, short-oblong, sometimes g" above or below, bracteate; perig. xzihev obovate, subinflated," nerved, bidentate, diverging with a subulate beak, a little longer than the ovate glume ; st. 3—10' high, leafy.— Pale yellow. Mass. and N. Y. — abundant in Pittsfield, Mass., and at Niagara Falls. 78. C. TENTACULATA. Mulll. 9 Spikes 2 — 4, oblong, cylindric, bracteate, upper one sessile, the rest nearly .sessile, densely flowered ; perig. ovate, inflated, long-rostrate, bidentate, nerved, diverging, glabrous, twice longer than the ovate and small scabro- mucronate giume ; st. 1 — 2f high, often large, triquetrous ; Ivs. linear-lanceo- late, longer than the stem. — In clusters in wet or marshy places ; common. 79. C. ROSTRATA. Michx. J* Spike short and small ; 9 spikes 2 — 3, sub-globose, or capitate, bracte- ate ; perig. aggregated into a head, small, erect, or subdiverging, oblong-conic, very long-rostrate, slightly inflated at the base, twice longer than the ovate- oblong, acutish glume ; st. 8 — 16' high, few-leaved, erect, stiff. — Pale yellow. At the base of the White Mts., N. H., Oakes; also in Canada, where Mx. found it. Has been called a variety of C. Xanthophysa WaU. 80. C. iNTUMEscENs. Rudge. (C. folliculata. Schk. fig. 52.) (^ Spike oblong, pedunculate ; Q spikes 1 — 3, few-flowered, approximate, bracteate, erect, nearly sessile, the lower one sometimes remote and exsertly pedunculate ; perjo-. ovate-conic, large and much inflated, acuminate-rostrate, bidentate, nerved,"diverging, very glabrous, thrice longer than the ovate-cuspi- date glume ; St. a foot or more" high, erect, stiff, lealy, dark green and very glabrous. — Wet grounds, in open woods or marshes ; common. li. globularis. Gray. 9 spikes large, globular, many-lruited. — Grows in the same situations. 81. C. FOLLICULATA. (C. Xauthophysa. Wakl.) 9 Spikes 2 — 4, ovate or capitate, densely flowered, distant, the peduncles sometimes projecting far beyond the sheaths, often J* at the apex, long brac- teate ; perig. oblong-conic, much inflated, diverging or horizontal, long-rostrate, twice longer than the oblong-ovate, acute glume ; st. 2 — 5f high, leafy ; Ivs. linear-lanceolate, long and flat. — Pale yellow. In wet or marshy places ; com- mon. 82. C. LDPULlNA. Muhl. (C. lurida. Wahl.) ^ Spike erect, slender, subsessile; 9 ^>ikes 2 — 4, ovate-oblong, large and thick, or oblong-cylindric, short-pedunculate, erect, densely flowered, approximate, the lowest sometimes long-pedunculate and distant ; perig. ovate-conic, ventricose, long, conic-rostrate, bicuspidate, nerved, glabrous, about thrice longer than the ovate-lanceolate, acuminate glume ; st. 1 — 3f high, tri- quetrous, leafy ; Ivs. and bracts long, flat, wide, striate, scabrous on the edge. — Bright green. Finely named from its hop-like spikes. Marshes and about ponds, common. fi. pnlystachya. Torr. 9 Spikes about 5, very long-cylindric, the lowest re- mote and very long-pedunculate ; perig. le.ss inflated. — Swamps, in Phillips- town, N. Y., on the Highlands, Darralt. 3. Pistillate spikes exsertly pedunculate. 83. C. PLANTAGiNEA. Lam. Schk., fig. 70. (C. latifolia. Wahl.) ^ Spike erect, large, subclavate, with oblong and acute glumes ; 9 spikes 3 — 5, oblong, erect, remote, sparse-flowered, 2 upper nearly inclosed-peduncu- hite, the lower ones exsertly-pedunculate, with subulate bracts; -perig. oblong, triquetrous-elliptic or cuneiform, tapering at either end, recurved at the apex, and entire at the orifice, longer than the ovate-cuspidate glume; st.Q — 18' high, erect, triquetrous, with dark brown she^iths; Its. radical, broad, ensiform, strongly Carex. CLX. CYPERACE^. 5&3 3-nerved. — Bright green. Hedges and open woods, common, and one of the fii-st appearing species in the spring. 84. C. Careyana. cJ* Spike erect, oblong, with oblong and obtuse glumes ; 9 spikes 2 — 3, ovate, loose and few-flowered, distant, upper subsessile, all bracteate; perig. ovate, triquetrous, subinflated, nerved, acuminate, tapering at the base, smooth and glabrous, entire at the orifice, twice longer than the ovate, mucronate glume ; St. 1 — 3f high, erect, smooth, lealy towards the base; lis. linear-lanceolate. — Pale green. Woods, Auburn, N. Y., Carey, and in various places in Ohio; closely related to C. plantaginea, and to C. Fraseri of the Southern States. 85. C. ANCEPs. Schk. (C. plantaginea. MuM.) 9 Spikes 2 — 4, subfiliform, erect, attenuate, sparse-flowered, remote, with a 2-edged peduncle, leafy-bracteate, upper one subsessile ; perig. oval-triquetrous, tapering at both ends, short-rostrate, attenuate, glabrous, striate, excurved at the apex, a little longer than the oblong-mucronate or ovate-acute glume ; st. 6 — 13' high, acutely triquetrous; Ivs. radical, of medium width. — Glaucous or light green. Woods and hedges, common. fi. patulifolia. Dew. (C. anceps. Schk., fig. 195.) Lvs. radical, broad, many- veined, narrower at the base ; sheaths with long and leafy bracts ; perig. longer- rostrate.' y. angustifolia. Dew. (^Schk. fig. 128.) St. a foot high ; lvs. narrow, striate, long ; perig. short-rostrate and much recurved. 86. C. BLANDA. Dew. (C. conoidea. MuM.) 9 Spikes 2 — 4, oblong, cylindric, subsparse-flowered, alternate, approxi- mate, bracteate, highest subsessile, the lowest on a long, 2-edged peduncle ; perig. obovate, subtriquetrous, nerved, recurved at the apex, entire at the orifice, little longer than the ovate, scabro-mucronate glume ; st. 8 — 12' high, trique- trous, leafy towards the base ; lvs. long as the stem. — Pale green or glaucous. Meadows and dry, open woods, common. 87. C. CONOIDEA. Schk. (C. granularioides. Schvj.) (^ Spikes2 — 3, oblong, or ovate-oblong, remote, erect, rather dense-flowered, bracteate ; perig. oblong-conic, obtusi-sh, glabrous, nerved, subdiverging, entire at the mouth, a little longer than the ovate-subulate glume ; st. 8 — 12' high ; lvs. towards the base, shorter than the stem. — Bright green. Moist, upland mea- dows, common. 88. C. TETANicA. Schk., fig. 207. 9 spikes 2 — 3, oblong, loose-flowered, remote ; perig. obovate, recurved at the apex, entire at the orifice, with an ovate glume, obtusish at the upper and mucronate at the lower part of the spike ; 5;!. 6 — 10' high, triquetrous, longer than the flat and linear-lanceolate leaves. — Light green. Upland meadows, rare. 89. C. DIGITALIS. Willd. 9 Spikes about 3, 4 — lO-flowered, oblong, distant, loose-flowered, lax and recurved ; perig. ovate, triquetrous, alternate, nerved, glabrous, short and obtuse, entire at the orifice, longer than the ovate-lanceolate glume ; st. 4 — 12' high, triquetrous, shorter than the long, decumbent leaves. — Pale green. /3. Van Weckii. Dew. Smaller; perig. more remote and smaller. — Open, moist woods, common. Has been mistaken for C. oligocarpa, Schk. <^' Muhl. 90. C. RETROCURVA. DcW. 9 Spikes 2 — 4, on long, filiform and recurved peduncles, bracteate, sub- dense-flowered, short and thick, oblong ; perig. ovate, triquetrous, nerved, ob- tusish, equaling the ovate, cuspidate glume ; st. 6 — 12' high, prostrate ; lvs. radical and wide. — Glaucous. Open woods, rare. Has been considered C digitalis, Willd., but is difierent. 91. C. OLIGOCARPA. Schk. 9 Spikes 2 — 3, erect, 3 — 4-flowered, bracteate ; perig. obovate, roundi.sh- triquetrous, short-rostrate, entire at the mouth, longer than the oblong-mucro- nate glume ; st. 6 — 12' high ; lvs. flat and shorter towards the base ; plant light green. — Open woods or hedges, rare. Differs from the following species in its fruit and pubescence. 5U 588 CLX. CYPERACEiE. Carex. 92. C. HiTCHcocKiANA. Dcw. (^ Spike erect, pedunculate ; 9 spikes2 — 3, erect, few- flowered, lowest dis- tant ; perig. oval-triquetrous, tapering at both ends, inflated, alternate, bent at the apex, striate, with a short, truncated and open beak, about equaling or shorter than the oblong or ovate, mucronate glume; st. 10 — 24' high, erect, stiff, scabrous above, with long and leafy bracts ; st. Ivs. and bracts scabrous and sub- pubescent. — Borders of woods. Cannot be the C oZzj^oca?7;a figured by Schkuhr. 93. C. LAXiFLoRA. Lam. cf Spike oblong, slender ; 9 ^P^^'^'^ 2 — 4, oblong, lax-flowered, few-flowered, erect, remote ; perig. ovate or oblong-ovate, obtusis'h, glabrous, ventricose, nerved, subtriquetrous, entire at the mouth, a little longer than the ovate, scabro- mucronate glume ; st. 10 — 18' high, triquetrous, leafy. — Bright to pale green. Woods, hedges and meadows, common. 94. C. GRANULARIS. Muhl. 9 Spikes 2 — 4, cylindric, oblong, dense-flowered, suberect ; perig. round- ish-ovate, nerved, very short-beaked and recurved, entire at the orifice, nearly twice as long as the ovate-acuminate glume ; st. 8 — 16' high, erect or subdecum- bent, smooth, leafy. — Glaucous green except the mature, yellow spikes. Moist soils in meadows and hedges, along brooks, abundant. 95. C. PANICEA. 9 Spikes 2 — 3, loose-flowered, remotish, lowest long-pedunculate ; perig. subglobose, obtuse, entire at the mouth, a little greater than the ovate, subacute glume ; St. a foot high, triquetrous, leafy at the base ; Ivs. shorter than the stem. — Light green. Near Boston, Pickering. 96. C. BiNERVis. Smith. 9 Spikes 3, oblong, cylindric, subdense-flowered ; perig. ovate, round, short-rostrate, bicuspidate, smooth, binerved, twice longer than the ovate, sub- acute glume ; st. a foot high or more, triquetrous, leafy towards the base. — Pale green. Near Boston, B. D. Greene. 97. C. Greeniana. Dew. ^ Spike one and erect, sometimes 2 ; 9 spikes 2 — 3, oblong, bracteate, pedunculate ; perig. ovate-lanceolate, triquetrous, nerved, rostrate, bifurcate, subdense-flowered, about equal to the ovate, cuspidate glume ; st. 1 — 2f high, scabrous above, leafy towards the base. — Light green. Resembles C. fulva, Good, but differs in its fruit and glume. Near Boston, B. D. Greene. Rare. 98. C. Grayana. Dew. (^ Spike oblong ; 9 spikes 2 — 3, oblong-cylindric, subloose-flowered ; perig. ovate-oblong, subtriquetrous, subinflated, obtuse or acutish, entire at the orifice, longer than the obtuse, oblong glume ; st. 6 — 16' high, erect, triquetrous, striate, with leaves about its own length. — Glaucous green. Sphagnous swamp, near Utica, N. Y., Gray ; cedar swamp, N. J., Torrey. Has been supposed to be C. liiida, Wahl., from which it differs in several respects. 99. C. Halseyana. Dew. (^ Spike oblong, erect, sessile, often 2, approximate ; 9 spikes 1 — 2, oblong- cylindric, erect, loose-flowered, sometimes J* above ; perig. ovate, short-rostrate, subtriquetrous, inflated, glabrous, oblique at the orifice, a little longer than the ovate, subacute glume ; st. 1 — 2f high, acutely triquetrous ; Ivs. linear-lanceo- late, shorter towards the base. — Dark green. — Upland meadows, Westfield, Ms., Davis; plains of N. J., Kiwiskeryi. 100. C. capillaris. cJ* Spike small ; 9 spikes 2 — 3, ovate, oblong, about 6-flowered, loose- flowered, long and recurved pedunculate ; perig. oval, short-rostrate, oblong, oblique at the orifice, longer than the oblong, ovate, obtuse glume; st. 2 — 7' high, leafy at the base ; hs. narrow, long. — Grows in tufts. Pale green. Alpine regions of the White Mts., Rohbins. 101. C. eeurnea. Boott. (C. alba. /?. setifolia. Dew.) 9 Spikes 2 — 3, erect, 3 — G-flowered, ovate, with white, leafless sheaths, and the upper higher than the g" spike ; perig. ovate-globose, rostrate or slightly obovate, glabrous and brown in maturity, twice longer than the white, ovate, Carex. CLX. CYPERACE^. 589 hyaline glume ; st. 4 — 10' high, erect, with subradical and bristle-form leaves. — Pale green, common. Abundant along the banks of the Genesee. 102. C. DEBiLis. Michx. (C. flexuosa. Sckk.) (^ Spike erect, filiform ; 9 spikes 3 — 4, filiform, loose-flowered, flexuous, nodding, remoti.sh, 1 — 2' long ; perig. oblong-lanceolate, subtriquetrous, alter- nate, rostrate, bifid, glabrous, nerved, nearly twice longer than the ovate-lanceo- late glume ; st. 1 — 2f high, triquetrous and scabrous above, leafy towards the base. — Bright green. Moist woods and meadows, common. 103. C. ARCTATA. Boott. (C. sylvatica. Dew.) 9 Spikes 3 — 4, long and slender, loose-flowered, nodding and remote ; perig. ovate, triquetrous, lanceolate or long-rostrate, subventricose, bifid, gla- brous, little surpassing the ovate, membranaceous, mucronate glume ; st. 10 — 20' high, scabrous above and leafy below. — Pale green. In the same situations as the preceding, common. 104. C. FLEXiLis. Rudge. (C. castanea. Wahl. C. blephoriphora. Gray.) 9 Spikes 2 — 4, ovate-oblong, cylindric, nodding ; perig. ovate, subconic, rostrate, bidentate, scarcely shorter than the ovate, obtusish, oblong glume ; st. 12 — 18' high, erect, striate ; Its. short, and shorter below; Ivs. and bracts ciliate. — Bright green. Oneida Co., N. Y., Gray. 105. C. Washingtoni.\na. Dew. ^ Spike erect, with oblong and obtuse black glumes ; Q spikes 2 — 5, oblong, cylindric, subremote, erect, loose-flowered, black or danf brown, sub- distant, upper sessile ; perig. oval, acutish at both ends, glabrous, short-rostrate, entire at the orifice, about equaling the ovate-oblong, subacute, blackish glume with a white edge ; st. a foot or more high, triquetrous, subscabrous above. — Light green. Seed distinctly triquetrous. Near summit of Mt. Washington, N. H., Barratt. Is distinct from C. saxatilis, L., already described as fotmd on the White Mts. 106. C. SULLIVANTII. 9 Spikes 3, oblong, erect, cylindric, rather loose-flowered, bracteate, and the lowest long-pedunculate and sparsely flowered below ; perig. ovate, acute and subrostrate, subtriquetrous and 2-toothed, equaling the ovate-oblong and mucronate glume ; plant light green. — Ohio. 107. C. Knieiskernii. Dew. 9 Spikes 3, long-cylindric, rather distant, sublax-flowered, with recurved peduncles ; perig. ovate, oblong, subtriquetrous, terete-conic, rostrate, short-2- toothed, a little longer than the ovate and oblong glume, which is obtusish and short-mucronate. 108. C. WooDii. Dew. 9 Spikes 1 — 3, ovate-oblong, loose-flowered, erect, lower long-peduncu- late, recurved ; perig. obovate, obtuse, subtriquetrous, closed at the orifice, tapering below, twice longer than the ovate and acutish glume ; Ivs. narrow and linear, and with the stem closely and slightly pubescent. — Jeiferson Co., N. Y. 4:. Pistillate spikes scarcely sheathed, 109. C. PALLESCENS. L. 9 Spikes 2 — 3, oblong, short, cylindric, distant, nodding towards maturity; perig. oval, obtuse, round, about equal to, or a little shorter than, the ovate glume ; st. 6 — 16' high, hardly erect ; b?-acts sometimes transversely rugose. — Plant often subpubescent, and of a light green. In dry meadows. Common. 110. C. UNDULATA. KuUZe. 9 Spikes 2, erect, ovate-oblong ; perig. oblong, round, triquetrous, obtuse, striate, very short-beaked, bidentate, longer than the oblong, cuspidate, mucro- nate glume; St. 12 — 18' high, erect, triquetrous, scabrous; lower brcu:t tra,n.s- versely waved-plicate ; Ivs. pubescent. — In the same situation as the preceding, and scarcely to be distinguished from it. 111. C. ToRREYi. Tuckerman. (f Spike oblong, short pedunculate ; 9 spikes 2 — 3, short, oblong, subses- 590 CLX. CYPERACEiE. Carex. sile, erect ; perig. oblong, obovate, very obtuse, glabrous, subtriquetrous, entire at the orifice, subrostrate, twice longer than the acute glume ; st. 12 — 18' high, erect, triquetrous, with subradical and pubescent leaves. — Pale green. N. Y. T^uckerman. 112. C. MiLiACEA. Muhl. (^ Spike erect, slender ; 5 spikes 2 — 3, long-cylindric, slender, loose-flowered below, nodding ; perig. ovate, triquetrous, glabrous, subrostrate, entire at the orifice, longer than the oblong, emarginate or obcordate, awned glume ; st. 12 — 24' high, slender, scabrous ; lis. linear-lanceolate. — Yellowish-green. Wet meadows; common. 113. C. LIMOSA. 9 spikes 1 — 3, ovate or oblong, long-pedunculate, subloose-flowered, smoothish, pendulous ; perig. elliptic, compressed, very short-rostrate, entire at the oriJice, about equal to the oblong and obtuse, or ovate, cuspidate glume ; st. 8 — 16' high, ascending, obtusely triquetrous, with subradical, flat and narrow leaves. — Glaucous green. Marshes ; common. 114. C. RARiFLORA. Smith. (C. limosa. /?. rariflora. Wahl.') 9 Spikes about 2, linear, quite loose-flowered, long-pedanculate, nodding ; perig. ovate-oblong, triquetrous, depressed, equaling the ovate, subcircinate, brown glume ; st. 10' high. — Glaucous. White Mountains, N. H., Barratt. 115. C. iRRiGUA. Smith. (C. limosa. /?. irrigua. Wahl.) 9 Spikes 2 — 3, ovate-oblong, thickish, nodding; perig. roundish-ovate, short-rostrate, subcompressed, shorter than the ovate-lanceolate, red-brown glume ; St. near a foot high, longer than the flat, subrecurved leaves ; glau- cous.— (^ Spike rarely 9 at the summit, or 9 spikes with stamens at the base. Marsh. Bridgewater, N. Y., Gray ; also in marshes in Mass. and Mich., Cooky. Rare. 116. C. HYSTERIClNA. Willd. J* Spike rarely pistillate at the summit ; 9 spikes 2 — 4, oblong, cylindric, attenuate, subdistant, long-bracteate, nodding, rarely sheathed; perig. ovate, inflated, subtriquetrous, nerved, bifid, glabrous, twice longer than the oblong, emarginate, submucronate glume ; st. 12 — 24' high, scabrous above, with long, linear-lanceolate leaves. — Yellowish green. Wet places ; very common. 117. C. PsEUDO-CYPERUS. (^ Spike cylindric and elongated ; 9 spikes 3 — 4, cylindric, long-peduncu- late, rather remote, recurved-pendulous, with long and leafy bracts; perig. ovate, lanceolate, bidentate, reflexed, and a little shorter than the ovate-lance- olate or setaceous glume. — Common about ponds and ditches. It is smaller in all its parts than C. comosa, Boott; and, besides, the fruit of the latter is deeply and widely bifurcate, and its glume is hispid or ciliate. The two have been confounded in our country, though long known. 118. C. COMOSA. (C. furcata. Ell. C. Pseudo-cyperus. \st edit.) J* Spike long and slender, rarely pistillate above ; 9 spikes 2 — 5, long- cylindric, pendulous, thick, dense-flowered, with very long and leafy bracts ; perig. ovate-lanceolate, acuminate, rostrate, 2-forked, reflexed, triquetrous, gla- brous, generally longer than the lanceolate, mucronate, setaceous glume ; st. 18 — 30' high, large, rough, with long and wide, rough leaves and bracts. — Plant very glabrous and yellowish-green. Wet places about ponds and ditches ; common. 119. C. CooLEYi. Dew. cf Spike short and small, with oblong-lancelate glumes ; 9 spikes 2 — 4, cylindric, oblong, or ovate and short, rather dense-flowered, upper sessile, lower on very long, recurved peduncles ; perig. ovate-rostrate or oblong-lanceolate, bifurcate, nerved, about equal to the ovate, awned, scabrous glume ; .';t. filiform and scabrous, subrostrate, a foot or more high, much shorter than the subradi- cal, narrow leaves.— Light green. Marsh in Macomb Co., Mich., Cooley. 120. C. SCABRATA. Schw. 9 Spikes 3 — 6, cylindric, subrecurved, remotish, long-pedunculate ; perig. ovate-oblong, subinflated, subbifid, rostrate, quite scabrous, longer than the Carex. CLX. CYPERACE^. 591 ovate-lanceolate, acuminate, shoi't-bidentate, ciliate glume ; st. 1 — 2f high, acutely triquetrous, rough above, longer than the leaves towards the base. — Bright green. Along brooks and streams ; common. 121. C. Crawei. Dew. 9 Spikes 3 — 6, cylindric, short and thick, densely flowered, sometimes aggregated, sometimes remote, the lowest often subradical and long-peduncu- late ; perig. ovate, terete, scarcely rostrate, diverging, entire at the orifice, twice longer than the ovate and obtusish glume ; J^ spike with one or two small ones at its base. 122. C. POLYMORPHA. Muhl. (J' Spikes long cylindric, upper one pedunculate, with oblong and ovate scales ; 9 spikes 2, oblong, cylindric, close-iruited, erect, nearly sessile, upper one staminate at the apex, with nearly enclosed peduncles ; perig. ovate, acu- minate, bilobate, scarcely rostrate, striate, longer than the ovate glume. — N. J. and the Southern States. Differs from D. Halseyana in its ^ spikes and obtuse glume, in its acuminate, not rostrate fruit, and its larger, fertile spikes. H. Stamifiate spikes usually two or more. 123. C. ScHWENiTzii. Dew. * (^ Spikes 2, rarely 1, upper long and slender, lower with a few perigynia at the base ; 9 spikes 2 — 4, oblong, cylindric, subapproximate, subrecurved, subloose-flowered, lowest often long-pedunculate; perig. ovate-oblong, tapering above, rostrate, inflated, nerved, glabrous, bifurcate, longer than the lanceolate, subulate, subsetaceous glume ; st. 6 — 12' high, scabrous above, very leafy. — Pale yellowish-green. Wet sandy grounds. Not abundant. 124. C. RETRORSA. Schw. (^ Spikes about 3, rarely 1, often with a few perigynia at the base; ^ spikes 4 — 6, oblong-cylindric, approximate, dense-flowered, with long and leafy bracts, the lowest often remote and long-pedunculate ; perig. ovate-inflated, sub- globose, rostrate, bifurcate, nerved, reflexed, twice longer than the lanceolate glume; st. 15 — 30' high, scabrous above, large, stiff" and leafy. — Bright green. In clusters, about pools of water, common. The loM'er spikes sometimes have 1 or 2 smaller spikes attached to them. 125. C. ARisTATA. R. Br. 9 Spikes 2 — 4, cylindric, distant, close-flowered, erect; perig. ovate, oblong, nerved, deeply bifid, very glabrous, long-rostrate, longer than the oblong, awned glume ; Ivs. and sheaths villose on the under side ; st. a foot or more high. — Bright green. Watertown, N. Y., Torr. (^ Gray. Is not this very closely related to the following species 1 126. C. TRicHocARPA. Muhl. ^ Spikes about 3, erect, rarely 1 , or 9 above, cylindric, lower shorter ; 9 spikes 2 — 4, erect, long-cylindric, smoothish, rather loose-flowered ; perig. ovate, conic, inflated, nerved, rostrate, bifurcate, densely pubescent, about twice lon- ger than the ovate-lanceolate glume ; st. 15 — 30' high, scabrous above, and with pubescent leaves and sheaths. — Light green. In wet and marshy places ; common. /?. turbinata. Dew. 9 Spikes ovate, or short-oblong, thick, remote, dense- flowered ; perig. subdiverging, ovate and conic, rostrate, longer than the ovate- oblong, mucronate glume ; st. 2— 3f high. — Glaucous green. In a pond in Beckman, N. Y., there abundant. 127. C. LONGiROsTRis. Torr. g" Sjnkes 3, short ; 9 spikes 2 — 3, cylindric, quite loose-flowered, pendu- lous, subdistant, with filiform peduncles ; perig. ovate, globose, inflated, gla- brous, long-rostrate, hispid, a little longer than the lanceolate or ovate, cuspi- date glume ; st. 15—30' high, rather slender, stiff", leafy below. — Bright green. On light soil of hedges in N. England and N. York. Common. 128. C. LANUGINOSA. Michx. (C. pellita. MuM.) (^ Spikes 2, oblong, slender, erect ; 9 spikes 2 — 3, cylindric, erect, dense- flowered, sometimes short-oblong and thick, subrostrate ; perig. ovate, short- rostrate, bicuspitate, subtriquetrous, thick, pubescent and woolly, about equaling 50* 592 CLX. CYPERACEiE. Carex. the ovate-lanceolate, awned glume ; st. 12 — 24' high, nearly round below, with flat, linear-lanceolate leaves and bracts. — Glabrous and yellowish-green. Wet places and marshes. Common. 129. C. FiLiFORMis. Gooden. (^ Spikes 2 — 3, with oblong glumes ; 9 spikes 2 — 3, ovate, oblong, short- cylindric, close-flowered, remolish, erect; pcrig. ovate, villose, short-rostrate, bifurcate, about equaling the ovate, acute glume ; st. 20 — 30' high, erect, slen- der stifi', with convolute leaves and bracts. — Pale green. Marshes. Common. 130. C. LACUsTRis. Willd. (^ Spikes 3 — 4, erect, sessile ; 9 spikes 2 — 3, erect, oblong, cylindric, short-pedunculate; perig. ovate-oblong, tapering or lanceolate, bifurcate, gla- brous, a little longer than the oblong, mucronate glume ; st. 2 — 3f high, sca- brous above, erect and large, with long and large leaves and bracts. — Light green. Marshes. Common. . 131. C. RiPARiA. Gooden. (^ Spike 3 — 5, oblong, thick, erect, sessile ; 9 spikes 2 — 3, erect, oblong, often long-cylindric ; perig. ovate-elliptic, contracted into a short, bifurcate beak, glabrous, about equaling or shorter than the ovate, mucronate, or oblong- lanceolate glume ; st. 2— 3f high, scabrous above, leafy below. — Bright green. 132. C. OLiGosPERMA. Michx. (Oakesiana. Dew.) J* Spikes several, sometimes one, erect, slender, long-cylindric, with an oblong obtusish glume ; 9 spikes 1 — 3, ovate, globular, sessile, distant ; perig. few, ovate, inflated, acute, nerved, short-rostrate, entire at the orifice, glabrous, a little longer than the ovate-lanceolate glume ; st. 1 — 2f high, sca- brous above, leafy below; lis. involute and rush-like. — Light ^"een. About the lakes of N. Eng. and N. Y. Abundant in the marshes of Mien. 133. C. VESICARIA. (^ Spikes about 3, erect, oblong; 9 spikes 2 — 3, cylindric, erect, dense- flowered, alternate, long-bracteate ; perig. ovate, oblong-conic, terete, inflated. rostrate, nerved, diverging, glabrous, bicuspidate, nearly twice longer than the oblong-lanceolate glume ; st. about 2f high, shorter than the leaves. — Bright green. Marshes. Not common. 0. utriculata. Dew. (C. utriculata. Boott.) Perig. oblong-elliptic, nerved, cylindric-rostrate, bicuspidate, more or less longer than the lanceolate, sca- brous-awned glume. — Marshes, with the other. 134. C. AMPULLACEA. Gooden. ^ Spikes 2 — 4, oblong, cylindric, erect; 9 spikes 2 — 3, long-cylindric, erect, close-flowered, short-pedunculate, sometimes (^ above ; perig. subglobose, inflated, diverging, nerved, glabrous, setaceous, rostrate, bifurcate, little longer than the lanceolate glume ; 5^. 2 — 3f high, obtusely triquetrous, leafy. — Light green. Marshes. Common. 135. C. MONiLE. Tuckerman. ^ Spikes 2 — 4, long, .slender, cylindric, with a long, lanceolate glume ; 9 spikes 2, long, cylindric, short-pedunculate, subloose-flowered, erect ; perig. ovate, long-conic, subtriquetrous, inflated, rostrate, bicuspidate, more than twice longer than the oblong-lanceolate glume; st. 15 — 30' high, erect, with long leaves and bracts. — Bright green. Marshes. Not common. More loose- flowered and fruit longer than that of C. visicaria. L. 136. C. BULLATA. Schk. (^ Spikes 3, erect, slender, cylindric, with oblong-lanceolate glumes ; 9 spikes 2 — 3, rather long, cylindric, nearly erect ; pcrig. ovoid-globose, inflated, glabrous, costate, with a long, scabrous beak, bifurcate, longer than the lance- olate glume ; St. 20 — 30' high, rather slender, triquetrous, scabrous above, leafy and shorter than the leaves. — Glabrous, light green. In wet meadows. Com- mon. 137. C. TncKERMANi. Dew (^ Spikes 2 — 3, cylindric, lower ones sessile and short, with an oblong, acutish glume ; 9 spikes 2 — 3, oblong, cylindric, thick and large, pedunculate, subloose-flowered ; perig. inflated, ovate, large, conic, costate, bifurcate, gla- CLXI. GRAMINE^. 593 brous, nerved, twice longer than the ovate-lanceolate glume ; st. about 2f high, erect, scarcely scabrous; bracts and Ivs. long, not wide; light green. — Wet places in meadows, common, and has been ranked under C. b-iillata. 138. C. MiRATA. Dew. (C. arista. Dew. not of R. Br.) cf Spikes 2 or more, long-cylindric ; 9 spikes about 2, long-cylindric, pe- dunculate, subdense-flowered, suberect ; perig. ovale, conic, long rostrate, cos- tate, bifurcate, glabrous, subinflated at the base, about equaling the ovate, long-setaceous or long-awned glume ; st. about 2f high, rough ; Ivs. and bracts longer than the stem ; light green. — Shores of lake Ontario, N. Y. Sartwell. Also found in the State of Georgia. FIG. 5.';.— 1. Carex ; a single, fertile flower ; a, the glume ; b, the perigymum, containing the ovary with (c) the three stigmas. 2. Scirpus lacustris ; the inflorescence. 3. A single (magnified) flower, showms the 6 hypogj'nous bristles of the perigynium, ovary with three stigmas, and the three stamens. Order CLXI. GEAMINE^.— Grasses. HfirJ.v perennial, with fibrous or bulbous rhizomas, or often annual or biennial. Stems (culms) cylindrical, fistular, closed at the nodes, covered with a coat ot silex, often soUd. Lvs. narrow and undivided, parallel-veined, alternate, with a sheath split down to the nodes, and a mem- branous hgula or stipule at the juncture of the blade and sheath. Inflorescence arranged in spikes, racemes or panicles. Fls. generally perfect, in little spikelets composed of bracts imbricated in 2 rows. GZjiwes.— Outer bracts (C(Z/2/a;, iirere.) generally 2 and unequal, sometimes 1 only. /• , • » PatecE.— Inner bracts (corolla, Linn.) 2, alternate, the lower (e.\terior) one simple, the upper (interior) often doubly cariiiate, being composed of 2 pieces united by Iheir edges. ScaZ^s.— Innermost bracts (nectary, Linn, rudimentary petals) 1—3, distinct or united, membranous, hy- Sta. 1—6, commonly 3. Anthers versatile. Ipogynous. OiJa. simple, with 2. sfi/te and 2 feathery s?;'p-was. Fr!«'« a caryopsis. Seed with the embryo situated on the outside of farinaceous albiunen, at the base, next the nilum. Genera 291, species about 3800, univers.illy diffused throughout the world, having no other limits than those that bound vegetation in general. But the species and their characters are widely ditterent in Olt- ferent climes. In temperate zones the grasses clothe a large portion ol the earth's surface with a com- pact, soft, green, carpet-like turf ; but in tropical regions this beautiful grassy turf disappears and the grasses become larger, more isolated like other plants, fewer in the number of individuals,- with broader leaves and more showy flowers. Properties —This family doubtless contributes more to the sustenance of man and beast than all others combined. Its sweet and nutritious properties reside both in the farinaceous albumen ot the seed and m the herbage. No poisonous or even suspicious herb is Ibund among them, with the single exception ot Lolium temulentum. The poisonous and medicinal ergot or spurred rye is only a parasitic tnngus, and therefore forms no exception to this remark. The stems of many grasses contain sugar, as the mazze and sugarcane. Silex is also a ftequent ingredient. To (his order belong the common ^ra;n.s maize, wheat, rye, rice, barley, oats, &c. The most important of the cultivated g^-asses are Phieum or 2 imothy grass, several kinds of Poa, Agrostis, Alopecurus, Festuca, Aira, Panicum, Cinna, Briza, &c. 594 CLXI. GRAMINEiE. Conspectus of the Genera. i with awna. . 1 1 f in panicles, ^ without awns. | 2 < (with awns. . §3 r l-frxiited, . . ( in spikes, i without awns. § 4 I S with awns. . § 5 i < in panicles, ( without awns. | 6 Spikelets La— 00-finiited, (in spikes §7 iFrwtute.Oryzopsis. 4 \sesai\e. iFr.black.Piptatherum. 3 rcartilaginous, (stipitate. Fr.h]a.ck St ipa. 2 J 4 naked. Stam. 1. Cinna. 10 I herbaceous, \ hairy. Stam. 3. Calanmgroitis. 13 < with lawn, I membranaceous, 1-keeled. . Agrostis. 5 4 PaleiE 2, (the lower with 3 awns, often twisted. . . Aristida. I I Glumes 5 l-flowered. ( Paleas 3, upper one with an awn. Flowers polygamous. Sorghum. 57 large, J 2-flowered (one flower abortive), longer than the palei. . . . Holcus. 25 4 unequal, one of them hardly perceptible Muhlenbergia. 9 Glumesminute, (subequal, one of them awned Trichochloa. 11 Glumes 0. Aquatic grasses Zizania. 59 Fe-stuca. 3fi Diarrhena. 37 which is merely bifid. [■Lower palea awned on the back I near the apex ( which is entire. . J i which is entire. Fruit coated. 1 \ with a cusp each side of it. . l Lower palea awned at the apex ( between the two teeth : awn twisted. 'Paleae entire, not mucronate, bristly at base. . Paleae bidentate, outer one mucronate. . PaleK entire, outer one mucronate. . Paleae cartilaginous, outer cuspidate, coating iruit, _ Outer palea bifid and tricuspidate Tricuspis. Outer palea erose-denticulate. Spikelets terete. . Glyceria. Paleae not mucronate, inner one bifid. . . . Poa. L Outer palea truncate-mucronate, inner bifid. . . Unioia. ( Spikelets cordate at base, tumid, pendulous. .... Briza. I 4 Panicle contracted. . . . Koeleria. LTerminal flower abortive or a mere pedicel. (Panicle large, diffuse. . . Melica. i one (in the top spikelet 2). . . . Lolium. Glumes broad, . . ( two in each spikelet Triticwm. S collateral ; spikelets in 2s, &c. . . Elymus. Glumes subulate, ( opposite ; spikelets solitary. . . . Secale. I 5 Spikelets in two rows. . . Eleiisine. ! (digitate (rarely solitary). (Spikelets in one row. . . . Cynodon. I <. remote, short, forming a long, slender raceme. . . . Atheropogon. I. Spikes unilateral, ( conglomerate or paniculate Dactylis. §7. FIG. 56.— 1. Agrostis alba ; a l-flowered spikelet ; a, the two glumes. 2. A flower, with the two paleae, three stamens and two plumose stigmas. 3. Leersia oryzoides ; a flower removed from its glumes, showing i(s 2 hypogynous scales, three stamens and ovary with the two stigmas. 4. Phleum pratense ; a l-flowered spikelet; a, glumes ; J, truncate palea; ; &c. 5. Polypogon; a l-flowered spikelet ; glumes and lower palea awned. 6. Holcus lanatus ; a two-flowered spikelet; re, glumes; b, the two flowers (upper staminate). 7. Poa pratensis ; a 4-flowered spikelet ; a, the two glumes ; b, a single flower, with two paleie, &c. 8. Festuca duriuscula ; a 5-flowered spikelet : re, two glumes; 6, a single flower. 9. The caryopsis of Hordeum, showing the embryo at the base of the copious albumen. Aristida. CLXI. GRAMINE^. 595 Tribe 1. STIPACEjE. — Infloresence panicled. Spikelets solitary, 1-flower- ed. Glumes membranaceous. Paleae mostly two, lower one coriaceous, involute, awned. 1. ARISTlDA. Lat. arista, an awn ; characteristic of tlie genus. Panicle contracted or racemose ; glumes 2, unequal ; palete pedi- cellate, lower one with 3 long awns at the tip, upper one very minute or obsolete. 1. A. DiCHOTOMA. Michx. Poverty Grass. Csespitose ; st. dichotomously branching ; panicle contracted-racemose ; lateral awns very short, the intermediate one nearly as long as the paleae, con- torted.— A slender grass, in sandy soils, U. S., common. Stems 8—12' high, branching at each joint. Leaves very narrow, with very short, open sheaths, and a very short stipule. Spikelets slender, on clavate peduncles. Aug. 2. A. PCRPURASCENS. Poir. St. erect, simple, filiform, 2 — 3f high ; Ivs. very narrow, flat, erect, a foot in length, with short, open sheaths ; panicle long, loosely spicate ; spikelets on short, clavate, appressed pedicels; aicns nearly equal, divaricate, twice the length of the palese; palece often dark purple. — % Sandy woods, Northern States. Sept. 3. A. GRACILIS. Ell. St. very slender, a foot or more high ; Ivs. setaceous, erect, with short sheaths, pilose at the throat ; panicle very slender ; spikelets somewhat remote, ap- pressed ; lateral awns short, erect, intermediate one longer, spreading. —% Mass. and S. States. A grass of little value, as well as the other species of this genus. 4. A. TUBERCULOSA. Nutt. Long-aicned Poverty Grass. St. erect (declinate at base), 8—20' high, rigid, with small tubercles in the axils of the numerous branches ; nodes tumid ; Ivs. long and narrow-linear ; panicle large, loose, simple ; spikelets pedicellate ; glumes nearly 1' long, linear, awned ; upper palea involute, the awns 2' long, hispid upwards, twisted together to near the middle, thence finally horizontally divaricate. — %. A very singular species, in dry prairies. 111., Mead! July, Aug. 596 CLXI. GRAMINEtE. Agrostis. 5. A. STRiCTA. Michx. Upright Anstida. St. strictly erect, cacspitose, branched, 2 — 3f high ; lis. straight, erect, pubescent, linear, convolute above ; panicle long, loosely racemose; spikelets ap- pressed; glumes unequal, very acute; loiver paleahRhy at base; aions twice as long as the paieoG, spreading, the middle one the longest. — % Penn. to Car.W. to Mich. 2. ST I PA. Lat. stipa, a foot-stalk ; alluding to the stipitate fniit of some of the species. Glumes 2 ; paleae mostly 2, shorter than the glumes, the lower with a long awn at the apex, the upper entire ; awn jointed at the base, deciduous ; caryopsis striate. 1. S. AVENACEA. Featha' Grass. St. naked above ; 2 — ^3f high ; hs. smooth, striate, setaceous, chiefly radi- cal ; panicle spreading, somewhat 1-sided, 4 — 6' long, at length diflfuse, branches capillary, solitary and in pairs ; glumes nearly equal, mucronate, as long as the dark brown, cylindric fruit ; scales 2, lanceolate ; awn twisted, 2 — 3' in length. — % N. Y. to Car. 2. S. JUNCEA. Pursh. Rush-leaved Feather Grass. St. 2 — 3f high ; Ivs. convolute-filiform, smooth inside, long ; panicle loose ; glumes loose, filiformly acuminated to more than twice the length of the fruit ; fr. attenuated at base into a stipe which is a third of its length, stipe acute, pubescent; palecc obtuse, distinctly articulated to the awn, which is smooth and slender, scarcely contorted and 4 — 6' in length. — % Prairies, 111., Mo. When in fruit, the pungent stipe adheres to everything that comes in its way. Aug. 3. S. Canadensis. Lam. Lvs. setaceous; panicle small; glumes smooth, ovate-obtuse, as long as the pubescent fruit ; awn thick and short. — % Amherst, Mass, Dewey. Neither this nor the preceding species is common or of much value in agriculture. 3. PIPTATHERUM. Palis. Gr. TTurro), to fall, -Scpoj, harvest. Panicle racemed ; glumes membranaceous, longer than the ellipti- cal, cartilaginous palese ; lower palea awned at the tip ; scales ovate, entire ; caryopsis coated. P. NIGRUM. Torr. (Oryzopsis melanocarpa. Muhl.) Black-seeded Millet. St. erect, simple, leafy, 18 — 24' high ; panicle simple, flexuous, few- flowered; spikelets racemose, ovoid-lanceolate ; glumes aciuninate, mucronate, 5 — 6" in length, smooth ; palece hairy, nearly black when ripe, the lower one tipped with an awn an inch in length ; fruit black. — 'Zj. Rocky hills, N. Eng. to Ky., frequent. Aug. 4. ORYZOPSIS. Rich. Named for its resemblance (oi^i j) to the genus Oryza. Panicle racemed ; glumes 2, subequal, loose, obovate, awnless ; paleas 2, cylindric-ovate, hairy at base ; scales linear-elongated. O. ASPERiroLiA. Michx. Mountain Rice. St. nearly naked, purple at base, 10 — 20' high; lvs. subradical, erect, rigid, pungent at the point, nearl}^ as long as the stem, cauline ones few and very short ; spikelets in a racemose, simple, flexuous panicle, 1 — 2 upon each branch ; glumes abruptly acuminate ; palece white, the lower one with a long bent awn. — "Woods, Free States, N. to Subarctic Am. Leaves green through the winter. Caryopsis white, about as large as rice, farinaceous. May. Tribe 2. AGROSTIDEJi:.— Inflorescence panicled, rarely spiked. Spike- lets solitary, 1-flowered. Glumes and palese of nearly similar texture, usu- ally carinate. 5. AGROSTIS. Gr. aypos, a field ; it being eminently an occupant of fields and pastures. Inflorescence paniculate ; glumes 2, acute, subequal, the lower one Agrostis. CLXl. GRAMINEiE. 597 larger, sometimes longer, often shorter than the paleae; paleae 2, unequal, lower one larger, awnless or awned, larger than the glumes, coating the caryopsis. § 1. Glumes longer than the palece. 1. A. VULGARIS. Smith. (A. polymorpha. Gray.) Red-top. Dent Grass. St. erect, 1 — 2f high ; panicle spreading, with the branches finally divari- cate ; Ivs. linear-lanceolate, veined, scabrous, with smooth, striate sheaths, and short, truncate stipules ; lower palea twice as large as the upper, and nearly as long as the lanceolate, acute glumes. — % U. S. A common and very valuable grass, spread over hills, vales, and meadows, forming a soft, dense turf. Flow- ers very numerous, purplish. July. 2. A. ALB^. (A. decumbens. Muhl.) White-top. Florin Grass. St. decumbent, geniculate, rooting at the lower joints, sending out stolons; Ivs. linear-lanceolate, smooth, tho.se of the stolons erect and subulate ; sheaths smooth, with a long, membranaceous stipule ; panicle dense, narrow, at length spreading, whitish, sometimes purplish ; lower palea 5-veined, rarely awned. — Q) N. Eng. to Ohio, in meadows, or in dry soils ; hence its characters are vari- able, being often nearly erect. June. § 3. A. STRicTA. Willd. Bent Grass. St. erect, smooth, with black nodes ; Ivs. linear-lanceolate, scabrous on the margin, with cleft, while stipules; panicle elongated, strict, the branches about 5, flexuous, scabrous, erect; glumes equal, lanceolate; palece unequal, smaller than the glumes, with an awn at the base of the outer one twice longer than the flower. — % Fields, N. Eng., N. Y. June. 4. A. cANiNA. Dog's Bent Grass. St. prostrate, somewhat branched, rooting at the lower nodes, about 2f long ; panicle at length spreading, with angular, rough branches ; glumes elon- gated ; luivcr palea fmnished with an incurved awn upon the beak twice its length. — % Introduced and common in wet meadows. July. ^ 5. A. PicKERiNGii. Tuckm. (A. canina, fi. oJpina. Oakes.) St. erect ; Ivs. flat, linear ; pan. ovate, diffuse, branches verticillate, rather erect, scabrous ; gl. subequal, keel of the lower mucronate at tip, upper acutc^ smoothish ; loiver palece ovate-lanceolate, acute or ero.se, veined, upper ovate, veinless ; awn from the middle of the back, contorted, twice longer than the fls.— White Mts. li. rupicola. Tuckm. Smaller ; pa?i. contracted, smoothish, often purplish. Mountains, Vermont. § 2. ViLFA. Glumes not longer than tlie suheqvnl, avmless palece. 6. A. ViRGiNiCA. (Vilfa vaginiflora. Gray.) Sis. numerous, assurgent, procumbent and hairy at base, nearly simple, about a foot long ; Ivs. somewhat 2-rowed, involute, rigid, erect, 2—3' long, with smooth sheaths which are hairy at the throat and swollen with the en- closed panicles ; panicles spike-form, terminal and lateral, the lateral ones con- cealed ; glumes nearly equal, about as long as the subequal palece. — 0 Sandy soils. Middle States. Sept., Oct. 7. A. coMPREssA. Torr. (Vilfa compressa. Trinius.) Flat-stemmed Agrostis. — Glabrous ; st. erect, compressed, simple, leafy, branched at base, 1 — 2f h'igh ; Ivs. narrowly linear, compressed, scarcely shorter than the stem ; keel prolonged into the open sheath ; stip. very short ; panicle purple, subsimple, contracted, the branches few and erect ; glumes equal, acute, shorter than the paleffi, the upper emarginate, rarely mucronate ; palecB ovate, obtuse, smooth, sometimes deeply cleft ; stig. purple. — Sandy swamps, N. J. Sept. 8. A. sEROTiNA. Torr. (Vilfa serotina. ejusdem.) St. 12 — 18' high, filiform, compressed, growing in patches, smooth, often viviparous at the nodes; hs. 2 — 3' by J", keeled, smooth; sheaths open; stip. ovate, short ; panicle 3 — 10' long, capillary, diff'use, branches flexuous, alter- nate; spikclets elliptical, scarcely J" long; glume ovate, 1-veined, unequal, half 598 CLXI. GRAMINE^. Agrostis. the length of the palese ; palece smooth, the lower one shorter ; sta. 3. — Long Island, Kneiskern. July. 9. A. HETEROLEPis. Wood. (Vilfa heterolepis. Gray.) St. 1 — 2f high, smooth ; Ivs. setaceous, somewhat convolute, scabrous on the margins; lower sheaths pubescent, upper ones smooth; panicle spreading, pyramidal, few-flowered; glumes purplish, outer one subuliform, inner one ovate, cuspidate, membranaceous in texture, 1-veined ; valves of the perianth oblong, obtuse, thin, a little shorter than the superior glume, inferior valve veined, apiculate, superior valve 2-veined, shorter than the outer one ; sta. 3 ; a7ith. linear, reddish ; stig. 2 ; sly. short ; fr. roundish, smooth. — Watertown, N. Y. Crawe. Aug., Sept. 10. A. JUNCEA. Michx. (A. Indica. Muhl.) Glaucous ; St. erect, 1 — 2f high, terete, slender ; Ivs. erect, 2 — 6" by 1", concave, convolute when dry, mai'gin scabrous ; sheaths much shorter than the internodes ; slip, short; pan. oblong-pyramidal, branches verticillate, about in 6s ; glumes purple, lanceolate, acute, upper as long as the paleae, the lower twice shorter ; palea subequal ; anth. and sty. whitish. — % Penn. to Flor., barrens. Oct. ^ 3. MuHLENBERGioiDE^. Gliimes shorter than the palecp. 11. A. Mexican A. (A. lateriflora. Mr. Muhlenbergia. Mex. Trin.) St. erect or ascending, with swelling nodes, much branched and leafy above, often nearly leafless below, IJ — 3f high ; Irs. lanceolate, scabrous, with half-clasping sheaths ; panicles numerous, terminal and lateral, narrow and dense-flowered, lateral ones partly enclosed in the sheath ; glumes narrow, acuminate, mostly shorter than the subequal, pubescent palese. — '2J- Wet shades, N. Eng. to Ohio ! and 111., common. 12. A. soBOLiFERA. Muhl. (Tricochloa. Trin. Muhlenbergia. Gray.) St. erect, slender, producing shoots at base, sparingly branched, 18 — 30' high ; branches erect and filiform ; Jiodcs not swelling ; Ivs. linear-lanceolate, with open sheaths ; panicle simple, filiform, with apprcssed branches, and. crowded spikelets ; palea equal, longer than the acute glumes. — 1\ Rocky hills, New Eng. to 111., frequent. Aug. 13. A. sYLVATiCA. Torr. (Muhlenbergia. Gray.) St. ascending, 2 — 3f long, much branched, diffuse, smooth, with swelling nodes ; Ivs. lanceolate, scabrous, veined, 4 — 6' long, with smooth, open sheaths ; panicles slender, rather dense ; glumes nearly equal, acuminate, a little shorter than the palese ; awn several times longer than the spikelet. — 71 Rocky shades, N. Y. to 111., N. J., Penn. Sept. 14. A. WiLLDENOwii. Trin. (A. tenuiflora. Willd.) St. erect, subsimple, pubescent at the nodes, with a few appressed branches ; Ivs. 6 — 9' by 2-— 3", lanceolate, veined, scabrotis, spreading, with pubescent sheaths ; panicle contracted, very slender and long, with remote, fili- form branches; glumes subequal, acuminate, half as long as the palese; awn 3 — 4 times the length of the spikelet. — %. Rocky woods, Can. and U. S. July, August. 15. A CRYPTAXDRIA. Tom Pa?iicZe pyramidal, with spreading, generally alternate branches, hairy at the axils ; fis. subracemed ; lower gluvie very short, upper one as long as the nearly equal paleas ; stems 3f high ; sheaths bearded at the throat. Very abundant at Buffalo. Aikin. IGl A. LONGiPOLiA. Torr. (A. aspera. Michx.?) St. erect, simple, 2 — 4f high; Its. 2f long, filiform at the end, with smooth, closed sheaths and bearded stipules; ;)«?i/cZo- terminal and lateral, contracted into a spiked form, generally concealed in the swelling sheaths ; glumes dusky- purple, much .shorter than the subequal, smooth, spotless palese. — Sandv fields. Northern States. Sept., Oct.— Perhaps a Sporobolus. Trichodium. CLXl. GRAMlNEiE. 599 G. SPOROBOLUS.- Brown. Gr. oTTopa, a seed ; /?aXA&), to cast forth ; its fruit is loose, and easily falls out. Panicles contracted ; glumes 2, glabrous, awnless, unequal, one or both much shorter than the palete ; palete 2, concave, nearly equal, beardless ; fruit loose, fr-ee, not enclosed in the paleae. S. ASPER. Snilivant'? EL long, white, fibrous ; st. stout, glabrous, geniculate at base, 2f high ; Ivs. rigid, glabrous, 2—8' by 1—3", tapering to a long, pungent point ; braiiches with short leaves, barren, also ending in a long, pungent point ; sheaths ciliate at edge and bearing dense tufts of long, white hairs at top ; panicles small, terminal and lateral, half enclosed in the long sheaths; spikelels blackish-green; lower glume very short, upper nearly as long as the pale^ ; fr. compressed, obovate. k" irileugih,— % Ohio, SiiUiL- ant! 7. POLYPOGON. Desf. Gr. voXvs, many, irajyuv, beard ; a characteristic term. Inflorescence contracted into a spike; glumes 2, nearly equal, obtuse, with long awns ; paleae shorter than the glumes, lower one entire, with a short, straight, tender awn (sometimes awnless), upper one bifid, toothed. P. RACBMosus. Nutt. (P. glomeratus. Willd. Agrostis racemosus. Mx. Muhlenbergia glomerata. 7>m.)— Glaucous ; st. compressed, erect, smooth, with appressed branches or subsimple, U— 4f high ; Irs. somewhat 2-rowed, erect, flat, rough, 3 — 5' long, with closed sheaths ; panicle spicate, dense, conglome- rated, interrupted, 2—3' long, many-flowered ; glmties linear, i the length of their awns ; lower palecB mucronate. — 7|. Bog meadows, also on rocky mountains N. Eng. to Mo. ! Aug., Sept. 8. TRICHODIUM. Gr. &pi^, rptKOS, hair; from its capillary inflorescence. Inflorescence a capillary panicle ; glumes 2, subequal, narrow and acute ; palea 1 (or 2, the upper very minute), awnless. shorter than the glumes, loosely enclosing the caryopsis. 1. T. LAXiFLORUM. Michx. (Agrostis Michauxii. 7>m.) Thin grass. St. erect, smooth, very slender, I— 2f high; lis. 3—6' long,-linear-lanceo- late, scabrous, lower ones inv^olute, upper ones shorter and flat ; sheath rather open ; panicle large and very difluse, with long, capillary, verticillate branches, trichotomously divided near the end ; spiMeis in terminal clusters, purple ; glujnes linear-lanceolate. — % Pastures and road.sides, U. S. and Brit. Am. Jn. 2. T. MONTANUM. Torr. (Agrostis Torreyi. Tuckm.) Mountain Hair Grass. Sis. cjsspitose, erect, filiform, simple, in small tufts, 8 — 12' high; radical Ivs. 2 — 3' long, involute-filiform, cauline rather longer ; stlp. bifid, serrate ; pan. ovale, branches spreading, finally divaricate, capillary, hispid ; spikelels fascicu- late at the ends of the branches ; glumes equal ; palecB with a short, twisted awn at the back. — 'Zj. Mts. and rocky woods, N. H. and N. Y. 3. T. scAERUM. Muhl. (Agrostis scabra. Willd.) Rough Hair Grass. St. geniculate at base, a.ssurgent, branched, 1 — 2f high; Irs. rough, striate, linear-lanceolate, 4 — C long, with the sheaths commonly closed and smooth ; panicle long, with verticillate, divaricate, dichotomously divided branches which are much shorter than in T. laxijlorum ; spikelels pale green, not clustered. — Tj. Common in dry soils, N. Eng. to 111. July. 4. T. ALTissiMUM. Michx. (T. elatum. Ph. Cornucopise alt. Walt.) St. erect, rigid, simple, slender, 3f high, leafy ; lis. broadly linear, sca- brous flat, 6 — 8' long ; sheaths scarcely smooth ; panicle purple, exserted. con- tracted, branches in whorls of 4s — 6s, erect, rather rigid, and dense-flowered at the ends; glumes subequal, lanceolate, acuminate, .scabrous on the keel, about J" 51 GOO CLXI. GRAMINEiE. Psamma. Ion"- • falea 5-veined, a little shorter than the upper glume ; &la. 3 ; slig. plu- mose'.—7| N. J. to Car. Aug. fi. laxa. Panicle more loose, with long, green branches. — White Mts. 5. T. coNciNNA. Wood. (Agrostis concinna. Tuckm.') St. low, erect ; Ivs. filiform-setaceous ; pan. ovate, spreading, glabrous ; gl. unequal, lower acute-muci'onate, roughish above, upper acute, glabrous ; palea glabrous, awn from below the middle, contorted, scabrous, exceeding the flower, with a few hairs at its base. — White Mts. Tackcrman. — The species are not valuable in agriculture. 9. M UHLENBERGIA. Schreb. In honor ofthe late Henry Muhlenberg, D.D., a well known, eminent botanist. Panicle nearly simple ; glumes 2, very minute, unequal, fringed ; paleae many times longer than the glumes, linear-lanceolate, veined, hairy at base ; the lower one terminating in a long awn. 1. M. DIFFUSA. Schreb. Dorp-seed Grass. St. decumbent, diffuse, branching, slender, compressed ; branches assurgent ; Ivs. 2 — 3' by 2", linear-lanceolate, rough, with smooth, striate, open sheaths ; panicles terminal and lateral, with remote, appressed, rough branches; spikclcts pedicellate, often purple ; awn about as long as the paleee. — %. Borders of woods and fields, N. Eng. to Car. and Ky. Aug. 2. M. ERECTA. Roth. (Brachyelytrum aristatum. Palis.) St. erect, simple, retrorsely pubescent at the nodes, 2 — 3f high ; Ivs. lanceo- late, scabrous, ciliate on the margin, 4 — 6' long, 3" or more wide, with some- what open shea.lhs; panicle terminal, simple racemose, contracted; spikelcis pedicellate, large ; glumes very imequal, upper one subulate ; lower paUa half as long as its awn, upper palece with a short awn at base lodged in the dorsal groove. — % Rocky hills, Can. and U. S., frequent. July. 10. CINNA. Glumes 2, subequal, compressed, without involucre or awns, upper one 3-veined ; palese 2, naked at base, on short stipes, lower one larger, enclosing the upper, with a short awn a little below the tip ; stamen 1. C. ARUNDiNACEA. Willd. (Agrostis Cinna. ham. A. monandra. Hornevi.) St. simple, erect, smooth, 3 — 5f high ; lis. linear-lanceolate, 12 — 18' by 3 — 5" pale green, rough-edged, with smooth, striate sheaths ; stip. long, lacerated ; panicle near a foot in length, rather attenuated above and nodding, with the branches capillary, drooping, and arranged somewhat in 4s ; glumes linear-lan- ceolate ; Unoer palece with a short, straight awn a little below the tip. — % A beautiful grass, sought by cattle, in rich, shady soils, U. S. and Can. Aug. 11. TRICHOCHLOA. DC. Gy. rpi^, rpi^os, hair, X^'^'^t grass ; from the capillary inflorescence. Glumes 2, very minute ; palea3 many times longer than the glumes ; naked at base, lower one convolute at base, terminating in a long, unarticulated awn. T. CAPiLLARis. DC. (Stipa. Lam. Agrostis. Miihl. Muhlenbergia. Lindl.) Csespitose ; sts. erect, very slender and smooth, 18 — 24' high ; Ivs. erect, becoming filiform towards the end. 1 — lif long; panicle difi'use, with the branches 1 — 4' long, in pairs, and as fine as hairs ; spikelcis purple ; lovxr palece produced into an awn 3 or 4 times its length. — TJ. An exceedingly delicate grass, with large, purple, glossy and almost gossamer-like panicles, waving in the breeze. Sandy soils. Jn. Jl. 12. PSAMMA. Palis. Gr. xpajijioi, sand ; in which this grass grows on the sea shore. Panicle spicate ; glumes 2, awnless ; palea? 2. shorter than the Alopeclrus. CLXI. GRAMINEtE. 601 glumes, surrounded with hairs at base ; scales linear-lanceolate, longer than caryopsis ; styles 3-parted ; stig. 3. P. ARENARiA. Palis. (Arundo. Linn. Ammophila. Lindl.) Mai Grass. Rt. creeping extensively ; st. erect, rigid, 2 — 4fhigh; ^rs. involute, Ifby i', smooth and glaucous, pungently acute ; sheaths smooth ; slip, oblong ; panicle dense, with erect, appressed branches, 6 — 10' long, and an inch thick ; spikclcts compressed, greenish-white ; Icnccr palca longer than the upper. % On sandy sea-coasts. Can. to N. J. At Dorchester, Mass., this grass is extensively manu- factured into paper. Aug. 13. CALAMAGROSTIS. Adans. Name compounded of Calamus and Agrostis. Panicle contracted ; glumes 2, subequal, acute or acuminate ; pale^ 2, mostly shorter than the glumes, surrounded with hairs at base, lower one mucronate, mostly awned below the tip, the upper one often with a stipitate pappus at base. 1. C. Canadensis. Palis. (C. Mexicana. Nutt. C. agrostoides. PA. Arundo. Michx.) Reed Grass. Blue-joint. — St. smooth, erect, rigid, 3— 5t' high ; Ivs. linear-lanceolate, striate, with smooth, veined .sheaths; fanicle erect, rather loose, oblong, the branches capillar}', aggregated in 4s and 5s; glumes very acute, smoothish, much longer than the paleas ; Imcer falccc bifid at the apex, with an exserted awn arising from below the middle of the back. % Wet groimds, N. Eng. W. to Mich. Makes good hay. Conamon. Aug. 2. C. COARGTATA. Torr. (Agrostis glauca. Muhl. Arundo stricta. Spr.) Glaucous ; St. erect, 2— 4f high ; Ivs. linear-lanceolate, scabrous, with the veins and keel white ; slicaths striate ; slip, oblong, obtuse ; panicle condensed and spike-form, the branches rigidly erect, short and aggregated ; glunics acuminate, lanceolate, lower 1-veined, upper 3-veined ; lower pcdece 5-veined, bifid at the apex, with a short, straight awn a little below the tip.— TJ. Bogs, Free States and Brit. Am. July, Aug. 3. C. BREviPiLis. Torr. (A. Epigeios. Muhi:) St. terete, 3— 4f high ; Ivs. broad-linear, the sheaths glabrous ; slip, hairy ; panicle pyramidal, loose, with the difiuse, capillary branches solitary or in pairs ; glumes unequal, bearded at base, acute, 1-veined, shorter than the equal, obtuse, awnless palese ; pappus very short, not half the length of the palete.— IL In sandy swamps, N. J., Torrey. 4. C. PURPURASCENS. Brown. (C. svlvatica. Trin.) Panicle spicate ; glumes scabrous ; palea 2, the lower scabrous, 4-toothed at the apex, awned upon the back ; abortive rudiment plumose, twice longer than the hairs at its base.— White Mts., N. H., Tuckerman. Rocky Mts., Rich- ardson. — Very rare and unimportant. 5. C. iNEXPANSA. Gra5^ St. 2— 5f high, erect, simple ; Irs. 2—3" wide, smooth ; panicle 4—8 long, slender, contracted, branches short, appressed, 4 or 5 together ; glumes oblong- lanceolate 2A" long, rough on the keel and sides, acute ; palecc nearly equal, acute oblong", as long as the glumes, lower one rough, 3-veined, notched at tip, with 'a short awn inserted below the middle, nearly as long as the flower.— Penn Yan, N. Y. Sartiocll. Aug. Tribe 3. PHL,EOIDEJ3.— Infloresence in dense, cylindric or unilateral spikes. Spikelets 1-flowered. Glumes 2, of nearly similar texture with the 14. ALOPECiJRUS. Glumes subequal, connate, distinct ; palese united into an inflated glume, cleft on one side below the middle, generally awned ; styles often connate. 602 CLXl. GRAMINEjE. Paspalum 1. A. PRATENsis. Fox-tail Grass. St. erect, smooth, leafy, about 2f high, bearing an erect, dense, many- llowered, cylindric, obtuse, compound spike, about 2' long ; Ivs. flat, smooth, with swelling sheaths and ovate stipules ; gluvies ciliate, connate below the middle, as long as the paleas ; av:>i twisted, scabrous, twice the length of the flower. — % Fields and pastures. Northern States. An excellent grass. Jn., Jl. ^ 2. A. GENicuLATUS. Bent Fox-tail Grass. St. ascending, geniculate, rooting below, sparingly branched, 1 — 2f high ; spike cylindrical, about 2' long ; Ivs. linear-lanceolate, smooth, flat, acute, a few inches in length, with slightly inflated sheaths, and long, entire stipules; glumes slightly connate at base, hairy outside ; palea truncate, smooth, half as long as the geniculate awn. — %. Wet meadows, N. Eng. ! Mid. States and Brit. Am. Jn. /?. aristulatus. Torr. (A. aristulatus. Mx.) Amis very short. 15. CRYPSIS. Ait. Ch'. KOVTraif, concealment ; from the flowers being concealed in the sheaths. Inflorescence an oblong spike ; glumes 2, unequal, compressed, 1- flowered ; paleae 2, unequal, longer than the glumes ; sta. 2 — 3 ; ca- ryopsis loose, covered by the pale<«. C VlRGINlCA. Nutt. St. procumbent and geniculate, 6 — 12' long, much branched from the base ; Ivs. finally involute, divaricate, .short, rigid and pungent, subpilose above ; spikes oblong-cylindrical, thick and lobed, more or less enclosed in the inflated sheaths of the leaves, the tenninal one about 1' long, lateral shorter and subcapitate ; glumes roughened on the keel, the upper a little longer. — About Philadelphia, Barton. Sept., Oct. 16. PHLEUM. Gr. Moss. St. erect, dichotomously and fastigiately branched ; Ivs. scattered, imbri- cate, lance-linear, entire, rigid and pungent, but awnless.— A smaller species than the last, found on the summits of the White Mts. Stems 4—8' high, densely clothed with stifi", shining, spreading leaves arranged somewhat in 8 rows and 2 — 3" in length. Thecse axillary. Aug. ISOETES. Gr. laos, equal, eroi, the year ; from its being evergreen. Thecse membranaceous, oblong, cordate, 1 -celled, immersed in the dilated base of the frond; spores subglobose, slightly angular, attached to numerous filiform receptacles. I. LACusTRis 1 (I. riparia. Engelman.) Quill-wort. Leaves csespitose, subulate, semiterete, dilated and imbricated at base. — A curious aquatic, in water at or near the margin of ponds and rivers, N. Eng! and Mid. States, often wholly submersed ! Leaves or Ironds numerous, tufted and simple, 3—10' long, somewhat spreading, containing numerous cells divided both by longitudinal and transverse partitions. Thecse whitish, imbedded in cor- responding cavities in the bases of the fronds, traversed within by many threads to which the numerous, small, white, granular .spores are attached. Aug. — Our plant differs slightly from the European (with which I have compared it), but 1 think not specifically. Order CLXIV. FILICES.— Ferns. gjewi a perennial, creeping, horizontal rhizoma, or sometimes erect and arborescent. . . [nation. Fronds (fruit-bearing leaves) variously divided, rarely entire, with forked vems, mostly circmate m vet- Infiorescence occupyiiiff the back or margin of the fronds (leaves) arising from the veins. Theca or sporangia ofone kind only in the same plant, 1-celled, dehiscing irregularly. Son, somewhat regular collections of theca;; or the theca! are isolated and scattered. , .. <• , JndvMum, a scale investing each sonis ; or the sori are covered with the revolute margin of the trona, or they are naked. Genera 192, species 2040. A large and interesting order of flowerless plants, distinguished for their ele- gant plume-like foliage. They are usually a few inches to a few feet high, but some ot the tropical spe- cies, as the Cyathea; of both Indies, are 15—25 feet high, vieing with the pahns in size and beauty. Prraer^fes.— Generally mucilaginous and mildly astringent, hence considered pectoral. Aspidiumand Pteris are anthelmintic. Osmunda regalis has been successfully admmistered tor the rickets. Observation.— The fructification of the ferns, with its various appendages, is too minute to be well observed by the naked eve ; but an examination of it with the aid of a good lens, cannot taU to be inter- estine and satisfactory, "in regard to the localities of the ferns, it should heie be remarked, that the spe- cies respectively are more generaUy disseminated throughout the States represented by this flora, and also British America, than are the species of the Pha-nogamia. They are, however, tar more common in the hard, mountainous or rocky soils of the East than in the fertile regions ot the ^V est. It seems, therefore, unnecessary to malce particular mention of the geographical range of the more common species. Conspectus of the Genera. * Fertile leaflets or fronds contracted into the form of a panicle or spike. (Stipes 4 angular Omclea. 11 ( the fert. fronds < smoothish, \ deeply grooved within. Strutliiopteris. 12 < distinct. . . ( Stipes clothed with reddish wool . Osnnmda. 13 ("Fronds ma- ^divided,? each one partly fertile <^nunda. 13 ny, radical, ( entire and narrowly hnear kchizOM. 15 fern 1 S entire. Scape spicate Ophwglqssmn. 16 erect. I Frond solitary, on a scape, < divided. Scape paniculate Botrychtrimi. 17 Fem climbing, stem long and slender LygoaiU7n. 11 53* 628 CLXIV. FILICES. Aspidium. * * Fronds sometimes contracted, but never paniculate or spicate. (of 1 scale, opening outwardly. . Aspidium. 2 \ of 2 scales, 1 of thera marginal. . Dicksonia. 10 5 superficial, (ofseveral scales, opening inwardly. Cheilantliea. 8 fSori round C Indusium { beneath the sorus, fimbriate Woudsia. 4 I or roundish. I Indusium 0 Polypodivm. 1 i Uransverse,on the veinlets. . . Asplemum. 3 Frond pin- 1 Inot marginal, (parallel with the midvein. . . Woodwardia. 5 Date, &c. ISorilinearoroblong, ; closely marginal, continuous Fteris. 7 J apex long-acuminate, striking root in the ground. .... Asplemum. 3 Prondentire,< apex acute, not rooting. Son hnear, scattered Scolopendnum. 6 Frond pedate, on a black, polished, bifurcate stipe Adiantum. 9 Thibe 1. POLiYPODIACE.aE.— Thecse furnished with a vertical, jointed, elastic, and usually incomplete ring, and bursting transversely and irregu- larly. 1. POLYPODIUM. Gr. iro\vi, many, Jrotjj, foot; from the multitude of its roots. Sori roundish, scattered on various parts of the under surface of the frond ; indusium none. 1. P. iNCANUM. Pursh. (P. ceteraccinum. Mx. Acrostichum polypodoi- des. Linn.) — Fronds deeply pinnatifid; segvients alternate, linear, very entire, obtuse, scaly beneath, the upper ones gradually smaller; stipe scaly, bearing the fertile segments near the apex; swi solitary and distinct. — A para- sitic fern, 3 — 6' high, growing on the inclined, moss-clad trunks of living trees, particularly of the huge sycamores, to the height of 10 — 20 feet. In the damp forests along rivers, Western States ! and also Southern. 2. P. vuLGARE. (P. Virginianum. Willd.) Common Polypod. Frond deeply pinnatiiid, smooth; segments lineSr-oblong, obtuse, crenu- late, the upper ones gradually smaller ; sori large, distinct. — Rather common on shady rocks and in woods, forming tangled patches with their roots which are clothed with membranous scales. Fronds nearly a foot high, divided into alternate segments nearly to the midvein. Stipe naked and smooth. Segments parallel, a little curved, about Y wide. Fruit in large, golden dots in a double row, at length brownish. July. 3. P. Phegopteris. (P. connectile. Mx.) Triangular Polypod. Frond bipinnatifid, slightly pubescent and ciliate, of a triangular outline, the 2 lower leaflets or pinnse deflexed ; subdivisions lanceolate, obtuse, the upper ones entire, lower incisely crenate, lowest adnate-decurrent ; sori minute, distinct, solitary. — A fern in low woodlands, remarkable for the broad triangu- lar outline of its fronds. These are about a foot in height, and rendered a little hastate by the lower leaflets (which are broadest) being deflexed. Divisions acuminate, connected at base by the lower segments. Stipes smooth. Aug. /?. connectile. (P. -connectile. Mr.) Somewhat rigid; segments of the lower divisions all subentire ; veins nearly simple. y. liexagonopterum. (P. hexagonopterum. Mx.) Texture more delicate ; segments of the lower divisions pinnatifid ; veins much forked. 4. P. Dryopteris. Tcrnate Pplypod, Frond ternate, bipinnate ; branches of the frond spreading, deflexed, seg- ments obtuse, subcrenate ; sari marginal ; root filiform, creeping. — This beauti- ful fern grows in shady places and mountainous woods. Rare. Root black and very slender. Stipe slender and delicate, smooth, nearly a foot high, divid- ing into 3 light green, drooping, compound leaflets of a very delicate texture. Jl. /?. calcareum. (P. calcareum. Sm.) Branches of tlte frond erect, rather rigid. 2. ASPIDIUM. Swartz. Gr. naTTig, a small shield ; fiom the form and position of the indusia. 8ori roundish or elliptical, scattered ; indusium orbicular and um- bilicate (fastened at the centre and opening all around), or reniform, fastened on one side and opening on the other. -AspiDiuM. CLXIV. FILICES. 629 * Frond pinnate. 1. A. ACROSTicHoiDEs. Willd. (Nephrodium. Michx.) Leaflets of the frond distinct, alternate, subsessile, lalcate-lanceolate, auri- culate on the upper side at base, ciliate-serrulate, only the upper ones fertile- so?t at length confluent ; stipe chaffj-.— Common in rocky shades. Frond 15—18' high, of a narrow-lanceolate outline. Stipe with loose, chaffy scales Leaflets numerous, slightly curving upwards, 1—2' in length, the terminal ones, which alone are frunlul, are contracted in size, the under side becoming overspread with the sori. June — Aug. • /?. incisum. Gray. (A. Schwenitzii. Beck.) Pinnae irregularly and incisely dentate ; son mostly distinct.— N. Y., N. J. and Penn. Pa.sses insensibly into o. * * Frond pinnate loith pinnatifid leaflets. 2. A. Thelyptera. Willd. (A. Noveboracense. ejusd.) Shield-Fern. Leaflets of the frond linear-lanceolate, deeply pinnatifid, distinct, subses- sile; segments oblong, obtu.se or acute, subentire, ciliate ; sori marginal, small, at length confluent; stipe smooth and naked. — Damp woods. Fronds pale green, thin and delicate, about a foot long and i as wide, acuminate at apex. Leaflets acuminate, becoming entire above, sometimes crossing (decussating) at base. Rachis pubescent. Stipe slender, channeled on the upper side. Sori in 2 marginal rows on each segment, finally nearly covering their under sur- face. July. /?. Noveboracense. Rather paler and more delicate in texture ; kaflxts more narrow and remote. 3. A. CRiSTATUM. Willd. (Nephrodium. M:c.) Crested Shield-Fern. Frond nearly bipinnate, lanceolate-ovate ; leaflets subcordate, oblong-pin- natifid, segments oblong, obtuse, ciliate-serrate ; stipe scaly. — Moist woods and meadows, N. Eng., Mid. States, rather rare. Frond 12—18' high, pale green, remarkable for its broad, ovate-lanceolate outline. Segments of the leaflets some- times almost distinct, broad and obtuse, with .sharp teeth. Sori large, in double rows, tawny when matiu'C, chiefly on the upper half of the frond. July. 4. A. Lancastriense. Sprang. (A. cristatum. /?. l5^. edit.) Lancaster Shield-Fern. — Stipe with a few large, oblong, torn scales, chiefly at base ; frond narrowly lanceolate ; leaflets subopposite, remote, short-petiolulate, broad- est at base, the lower triangular-ovate ; sori large, in a single row each side the midvein of each dentate segment ; indusium fixed near one side. — Woods, Meriden, N. H., Riclard! to N. Y. and N. J. A beautiful fern, quite distinct from the preceding, 24 — 30' high. Frond dark green, 15 — 18' by 5 — 8'. Leaf- lets gradually narrowing from base to apex. Segments nearly distinct, more or less distinctly serrate-dentate, each with 1 — 25 dark-brown sori (lower leaflets fruitless). July. 5. A. GoLDiANUM. Hook. (A. Filix mas. Pursh.) Goldve's Fern. Leaflets of the frond lanceolate, acuminate, deeply pinnatifid ; seginents oblong, subacute, subfalcate, mucronate-serrate ; sori in 2 rows, each side^ of the vein of each segment. A tall species, 2 — 3f high, in rocky woods. Fronds numerous, bright green, scaly upon the stipe and rachis, 5 — 10' wide. Leaflets 3 — 6' long, not widening at base, with elongated, narrow segments. July. * ♦ * Frond bipinnate. 6. A. marginAle. Sw. (Nephrodium. M.e.) Marginal Shield-Fern. Segments of tlw leaflets oblong, obtuse, decurrent, crenate-sinuate, repand at base, lower ones almost pinnatifid ; sori marginal ; stipe chafi'y. — A large, handsome fern, in rocky woods, coinmon. Frond 12 — 18' high, very smooth (rachis a little chafty), its divisions nearly opposite. Segments of the leaflets distinct, near an inch long, \ as wide, contracted at base, then decurrent, form- ing a narrow margin along the rachis. Fruit in round dots, in regular rows along the margins of the segments. Indusium large, orbicular, with a lateral sinus. July. 7. A. TENUE. Sw. (A. fragile. Willd. Cistopferis. Bernh.) Brittle Shield-Fern. — Segments of the leaflets oblong, obtuse or acute, incisely ser- rate, approaching to pinnatifid, its serratures subentire ; rachis winged by the 630 CLXIV. FILICES. Asplenium. decurrent leaflets; sUpe chafiy at base.— A delicate fern, on moist rocks, fre- quent. Fronds 6 — 12' high, dark green, its divisions rather remote, and with the subdivisions, considerably variable in form. Sori large and numerous, near the margins of the segments. June, July. 8. A. ACULEATUM. Sw. Priclchj Shield-Fern. Segments of the leaflets ovate," subfalcate, acute, aculeate-serrate, upper ones truncate at base, lower cuneate at base ; only the upper leaflets fertile ; stipe and rachis chaffy.— Mansfield Mt., Vt., and Mts. in Essex Co., N. Y., Macrae. Fronds dark green, in tufts 1 — 2f high. Segments of the leaflets on very short petioles, somewhat dilated at base on the upper side, deeply serrate, each serrature tipped with a short spinose bristle. Sori brown, in single rows, distinct. Indusium reniform. Aug. 9. A. DiLATATUM. Sw. (A. spiuulosum. Willd. ?) Broad Shield-Fern. Leaflets oblong-lanceolate, distinct ; segments distinct, oblong, obtuse, incisely pinnatifid ; ultimate segments mucronate-serrate ; stipe chaffy ; indusium umbilicate. — Woods and shady pastures. Fronds 1 — 2f high, nearly tripin- nate, the foliage about twice as long as wide, acuminate at apex, abrupt at base. Leaflets also acuminate, but the segments rather obtuse, all distinct at base, except those near the summit, serratures with short, soft bristles. Stipe with large, tawny scales. Sori rather large, somewhat in 2 rows. Jl. 10. A. BULBiFERDM. Svv. (Cistopteris. Bernh.) Bulbiferous Shield-Fern. Frond bipinnate, oblong-lanceolate, segments opposite, oblong, serrate, the lower one pinnatifid ; rachis bulbiferous ; sori roundish, the indusium attached to one side. — In damp woods, frequent. Frond 12 — 18' high, remarkable for the little bulbs produced in the axils of the rachis, which, falling to the ground, take root. Foliage narrow, tapering to an acuminate summit. Stipe smooth. Jl. 3. ASPLENIUM. Gr. a, privation, (nzfirjv, the spleen; from its supposed medicinal virtues. Sori linear, oblique, or somewhat transverse, scattered ; indusium arising- from the lateral veins and opening longitudinally, usually towards the midvein. 1. A. RHizoPHTLLUM. Willd. Walking Fern. Frond mostly tindivided, lanceolate, stipitate, subcrenate, cordate-auricu- late at base, the apex attenuated into a long, slender acumination, rooting at the point. — This singular fern grows in rocky woods, not very common. The frond is 4 — 8' long ; the long, slender, linear point bending over backwards, "caches the earth, and there strikes root, giving rise to a new plant. Though usually with slightly crenate margins, the plant varies by imperceptible degrees, becoming sometimes so deeply crenate as to form a well-marked variety with pinnatifid fronds. July. 2. EBENEUM. Willd. Ebony Spleenworl. Frond pinnate ; Ifts. lanceolate, subfalcate, serrate, auriculate at base on the upper side ; stipe smooth and polished. — A beautiful fern, in dry woods, hills, &c. Fronds 8 — 14' high, on a slender stipe of a shining brown or black color. Foliage 5 — 9' long, 1—1 J' wide, linear-lanceolate in outline. Leaflets near an inch in length, rather acuminate and curved at apex, dilated at base on the upper side, and sometimes on the lower. Fruit arranged in short lines on each side the midrib. July. 3. A. ANGusTiFOLiDM. Michx. Swamp Spleemoort. Frond pinnate ; Ifts. alternate, upper ones subopposite, linear-lanceolate, serrate towards the apex, somewhat repand, the base truncate on the upper side and rounded on the lower.— In low woods, frequent. Fronds 1— 2f high, in tufts, the outer ones barren, inner fertile. Sori large, diverging from the midrib, parallel with the veins, at length confluent. July. 4. A. Trichomanes. (A. melanocaulon. Muhl.) Dwarf Spleenwort. Frond pinnate ; Ifts. roundish, subsessile, small, roimdish-obovate, obtusely cuneate and entire at base, crenate above ; stipe black and polished.— A small and delicate fern, forming tufts on shady rocks. Frond 3- 6' high, lance-linear WooDsiA. CLXIV. FILICES. 631 in outline, with 8—12 pairs of roundish, sessile leaflets, 3 — 4" long. Fruit in several linear-oblong, finally roundish sori on each leaflet, placed oblique to the midvein. July. 5. A. THELiPTERoiDES. Michx. Sllvery Spleenwort. Frmid bipinnatifid ; Ifts. pinnatifid, oblong-lanceolate, acuminate; segments oblong, obtuse, serrate-crenate ; sari in parallel, oblique lines. — A fine, large fern, on shady banks of streams. Fronds 1§— 3f high, of an ovate-acuminate outline, on a slightly chaff}', pale stipe. Leaflets distinct and rather remote, narrow, 4 — 6' long. Segments rounded at the end, near i'iong. Sori arranged in 2 rows on each segment, one on each side the midvein, convergent below, with shining, silvery indusia when young. July. 6. A. FiLix-FOEMiNA. Bemh. (Aspidium Filix-foemina and asplenoides. Sw. A. angustum. W.) — r/mid bipinnate ; Ifts. lanceolate, acuminate ; seg. ob- long-lanceolate, deeply cut-pinnatifid ; ultimate seg. 2— 3-toothed ; sori reniform or lunate, arranged near the veins ; stipe smooth.— A delicate, finely-divided fern in moist woods. Fronds 1— 2f high, with subopposite divisions. These are sub- divided into distinct, obtuse segments, which are themselves cut into oblong, deep serratures, and lastly, the serratures are mostly with 2 — 3 teeth at the summit. Sori large, at first in linear curves, finally confluent, giving the whole frond a dark brown hue. July. 7. A. RuTA-MURARiA. Wall-rue Spleenwort. Frond bipinnate at base, simply pinnate above ; Ifts. small, petiolate, cu- neate, obtusely dentate above. — An extremely small and delicate fern, in dry, rocky places. Frond 2—3' high, i as wide, smooth, growing in tufts, somewhat coriaceous. Segments usually 3 on each 'leaflet, less than J' long. Stipe flat and smooth. Sori linear-oblong, slightly oblique, of a rusty-brown color, finally confluent. July. 8. A. MONTANUM. "VVilld. (A. Adiantum-nigrura. Michz.) Frond glabrous, bipinnate ; Ifts. oblong-ovate, pinnatifid ; seg. 2 — 3-toothed at the apex ; sori linear, finally confluent. — Mountain rocks, Bethlehem, Penn. Schwenitz (fide Beck), S. to Car., W. to Ky. Fronds growing in tufts, 4—8' high, narrowly oblong-lanceolate in outline, mostly bipinnate, but more or less divided according to the size. Segments more obtuse than in the foreign A. Adiantum-nigrum. July. 4. WOODSIA. Brown. In honor of Joseph Woods, an excellent English botanist. Sori roundish, scattered ; indusium beneath the sorus, open, with a multifid or fringed margin, including the pedicellate thecse, like a calyx. 1. W. iLVENsis. Br. (Polypodium. Willd.) Frond pinnate, leaflets pinnatifid, lanceolate ; segments ovate-oblong, ob- tuse ; sori near the margin, at length confluent ; rachis and stipe chaffy .—Grow- ing in tiifts, on rocks and in dry woods. Fronds 5 or 6' high, on chafl^y and woolly stipes, most chaflTy at base. Foliage 3 or 4' long, J as wide, oblong- lanceolate in outline, woolly or chaffy beneath, with opposite and alternate leaf- lets about an inch in length. The lower leaflets are pinnatifid, upper ones wavy on the margin or entire. June. 2. W. Perriniana. Hook. & Grev. (Hypopeltis obtusa. Torr.) Frond subbipinnate, minutely glandular-pilose ; segments of the leaflets pin- natifid; ultimate segments roundish-oblong, obtuse, bidentate ; son submarginal.- stipe somewhat chaffy.— About a foot high, among and on rocks. Fronds lance oblong in outline, 3 times as long as wide. Segments of the leaflets crenate- serrate, the lower ones distinct, upper confluent. Sori orbicular, becommg nearly confluent, each subtended by a half round indusium notched into little teeth on the margin. July. 3. W. hyperborea. Br. (Polypodium. Willd.) Flower-cup Fern. Frond pinnate ; Ifts. suborbicular, subcordate, 3-parted or incisely pinnati- fid, cuneate at base, rough pilose beneath.— A very sm.all species, much resem- 632 CLXIV. FILICES. Pterjs. bling the last, forming tufts on rocks. Plant 2 — 4' high. Fronds lance-linear in outline, on very scaly stipes. Leaflets 8 or 10 pairs, subopposite, nearly round, 2 or 3" in diam., the margins only crenate above, deeply pinnatifid in the lowest pairs. July. 4. W. RUFiDULA. Beck. (W. ilvensis and Aspidium rafidulum. Pursh.) Frond bipinnate ; segments of the leaflets hairy, oblong, obtuse, pinnatifid, with obtuse, ultimate segments ; sori at length confluent ; stipe and rackis hairy. — Grows on rocks. Fern 6 — 8' high. Stipe dark brown, densely clothed with woolly hairs. Frond hairy both sides, its leaflets 4 — 8" long, lower ones dis- tinctly pinnate, upper pinnatifid. July. 5. WOOD WARD I A. Smith. In honor of Thomas J. Woodward, a distinguished English botanist. Sori oblong, straight, parallel with the ribs on either side of them ; indusium superficial, arched or vaulted, opening inwardly. 1. W. ONOCLEoiDES. WilM. (W. angustifolia. Smith.) Sterile fronds pinnatifid; Ifts. lanceolate, repand, slightly serrulate; fertile fronds pinnate, the leaflets entire, linear, acute. — In swamps, not common. Fern about a foot high, growing in tufts. Barren fronds numerous, of a narrow- lanceolate, acuminate outline. Leaflets with decurrent or confluent bases. Fertile fronds fewer, with linear segments nearly covered on the back with the fruit in oblong, longitudinal sori i' in length. Aug. 2. W. ViRGiNiCA. Willd. Frond pinnate, very smooth, the leaflets pinnatifid, lanceolate, sessile ; sori in interrupted lines near the midvein of the leaflets and segments. — In low woods and swamps. Frond about 2f high, on a smooth stipe, lanceolate in out- line, and pale green. Leaflets alternate, deeply pinnatifid, with numerous, spreading, obtuse and slightly crenate lobes. Fruit arranged in lines along each side of the midveins, both of the segments and leaflets. July, Aug. 6. SCOLOPENDRI UM. Smith. Gr. (TKoXoTrevSpa, the centipede ; from the number of its roots ? Sori linear, transverse, scattered ; indusium double, occupying both sides of the sorus, superficial, finally opening lengthwise. 5. OFFiciNARCM. Willd. (Asplenium Scolopendrium. Linn.) Harfs-tongue. Frond simple, ligulate, acute, entire, cordate at base. — Shady rocks, Chi- tenango, N. Y., Sartwell. Stipe rather short (3 — 5' long), chafiy, bearing the frond suberect, 8 — 15' high, 2 — 3' wide, bright green, paler beneath. Sori oblique to the midvein, 6 — 9" in length. Rhizoma large, creeping. July. — This curi- ous fern appears to be confined to the vicinity above mentioned, where it was first detected by Pursh, unless the true plant has also been found in Ky. by M'Murt. 7. PTERIS. Gr. TTTcpov, or TTTcpv^, 3. wing ; from tlie general resemblance of the frond. Sori in a continuous, marginal line ; involucre formed of the in- flected margin of the frond, opening inwardly. 1. P. AauiLlNA. Common Brake. Frond 3-parted ; branches bipinnate ; Ifts. linear-lanceolate, lower ones pinnatifid, upper ones entire; segments oblong, obtuse. — Abundant in woods, pastures and waste grounds. Fern 2 — 5f in height, upon a smooth, dark purple, erect stipe. Frond broad-triangular in outline, consisting of 3 primary di- visions, which are again subdivided into obtusely pointed, sessile leaflets. These are entire above, becoming gradually indented towards the base of each subdi- vision. Sori covered by the folding back of the margins of the segments. July, Aug. 2. P. ATRO PURPUREA. Rock Brake. Frond pinnate ; lover Ifts. ternate or pinnate, segments lanceolate, obtuse, (ibliqu»'ly truncate or subcordate at base.— Fern 6 — 10' high, growing on rocks. Onoclea. CLXIV. FIUCES. 633 Frond twice as long as wide, of a grayish hue, the two lower divisions con- sisting of 1 — 3 pairs of leaflets Avith a large, terminal segment. All the seg- ments lance-linear, distinct, with margins conspicuously revolute. Stipe and rachis dark purple, with dense, paleaceous hairs at base. June — Aug. 3. P. GRACILIS. Michx. (Cheilanthes. Spreng.) Frond slender, lanceolate, sterile ones pinnate, leaflets pinnatifid, segments broad-ovate, obtuse ; fertik bipinnate, leaflets linear-oblong, crenate ; stipe dark brown. — A delicate species, growing on rocks. Fern 4-— 6' high, smooth and shining in all its parts. Aug. 8. CHEILANTHES. Swartz. Gr. j^siXoj, lip, av^os ; from the form of its indusia. Sori roundish, distinct, situated at the margin of the fronds ; in- dusium of membranous, distinct, inflexed scales, opening inwardly, sometimes continuous with the frond. C. vESTiTA. Swartz. (Nephrodium lanosum. Mx.) Hairy Cheilanthes. Stipe and rackis hairy ; frmid bipinnate, oblong-ovate in outline, hairy on both sides ; leajiets alternate ; segments oblong, alternate, sessile, distinct, crenately pinnatifid, the ultimate segment very entire ; sori finally continuous along the margin.— Rocky banks. Mid. and W. States, frequent. Stipe slender, rigid, 2—3' long, dark brown. Fronds 3 — 6' by 1—2'. Leaflets lance-ovate in out- line, 6 — 12" long. Sori marginal, distinct when young, finally crowded. July. 9. ADIANTUM. G}'. a, privation, 6i.aivu, to moisten ; aa the rain slides off without wetting it. Sori oblong or roundish, marginal ; indusia membranaceous, aris- ing from the reflexed margins of distinct portions of the frond and opening inwardly. A. PEDATUM. Maidenliair. Fro?id pedate; divisions pinnate; segments oblong-rhomboid, incisely lobed on the upper side, obtuse at apex ; sori oblong, subulate.— This is, doubt- less, the most beautiful of all our ferns, abounding in damp, rocky woods. Stipe 8—14' high, slender, of a deep, glossy purple approaching to a jet-black. At top it divides equally into 2 compound branches, each of which gives ofi", at regular intervals, 6—8 simply pinnate leaflets from the outer side, giving the whole frond the form of the crescent. Ultimate segments dimidiate, the lower margin being' bounded by the midvein and the veinlets all unilateral. July. 10. D I C K S O N I A. L'Her. In honor of James Dickson, a distingniished English cryptogamist. Sori marginal, roundish, distinct ; indusium double, one superficial, opening outwards, the other marginal and opening inwards. D. piLosiuscuLA. Willd. Fine-haired Mountain Fern. Frond bipinnate; Imflds lanceolate, sessile; segments pinnatifid, decurrent, oblong-ovate, ultimate segments toothed ; stipe a little hairy.— A large and deli- cate fern, in pastures, roadsides, among rocks and stones. Fronds 2 — 3f high, in tufts, and remarkable for their numerous divisions and subdivisions. Stipe and rachis smooth, with the exception of a kvr, soft, scattered hairs. Leaflets alternate, approximate ; segments deeply divided into 4-toothed, ultimate seg- ments. Sori minute, solitary, on the upper margin of the segments. July. 11. ONOCLEA. Gr. ovos, a kind of vessel, xXeiu, to close ; alluding to the contracted thecs. Thecce covering the whole lower surface of the frond ; indusia formed of the segments of the frond, whose margins are revolute and contracted into the form of a berry, opening, but not expanding. O. SEXSIBILLS. Sensitive fern. St-erile ironds pinnate ; kapts lanceolate, acute, laciniate, the upper ones C34 CLXIV. FILICES. Osmunda. xmited; fertile fronds bipinnate, with recurved and globular contracted seg- ments.— Common in low grounds. Fronds about a foot high, the barren ones broad and somewhat triangular in outline, composed of broad, oblong, sinuate divisions, the upper ones smaller, nearly entire, becoming united at base. The fertile frond is very dissimilar in its form to the others, resembling a compound spike, enclo.sing the fruit in the globular segments of its short divisions. Color dark brown. July. 0. obtiisilubata. Torr. (O. obtusilobata. Schlc.) Lfls. opposite; se^??i. rounded. 12. STRUTHIOPTERIS. Willd. Gr. orpov^os, the ostrich, wrepov, wing, or plume ; from the resemblance. Thecae densely covering the back of the frond ; indusia scaly, marginal, opening internally. S. Germanica. Willd. (S. Pennsylvanica. Willd.) Ostrich Fern. Sterile fronds pinnate; leaflets pinnatifid, sessile; segments entire, rather acute, the lower ones somewhat elongated. — A fern of noble size and appear- ance, growing in low woods and swamps. The sterile fronds are often 5 or 6f high, commonly about 3, numerous, in circular clumps. Stipes smooth, chan- neled ; leaflets pinnatifid, with numerous segments, the lower of which are the more narrow and acute, all more or less connected at base. Fertile fronds few, in the midst of the sterile, much smaller, the leaflets with numerous, brown- ish, contracted segments, densely covered by the fruit beneath. Aug. Tribe 2. OSMUNDIACEJ3.— Thecce destitute of a ring, reticulated, stri- I ated with rays at the apex, opening lengthwise and usually externally. 13. OSMUND A. Thecae subglobose. pedicellate, radiate-striate, half-2-valved, collect- ed on the lower surface of the frond or a portion of it, which is more or less contracted into the form of a panicle. * Fertile fronds distinct from the sterile. 1. O. CiNNAMOMEA. Cinnamon-colored Fern. Sterile frond pinnate, leaflets elongated, pinnatifid, segments ovate-oblong, obtuse, very entire; fertile frond bipinnate, leaflets contracted, paniculate, sub- opposite, lanuginous ; stipe lanuginous. — This is among the largest of our ferns, growing in swamps and low grounds. Fronds numerous, growing in clumps, 3 — 5f high, most of them barren, the stipe and rachis invested with a loose, cinnamon-colored wool. The fertile fronds resemble spikes, 1 — 2f long, an inch wide. Leaflets all fertile, erect, with the segments covered with fruit in the form of small, roundish capsules, appearing, under a microscope, half- 2-cleft. June. * * Portions of each frond fertile. 2. O. REGALis. Michx. (O. spectabilis. Willd.) Royal Flotcering-Fem. Fronds bipinnate, fructiferous at the summit; segments of tJue leaflets lance- oblong, distinct, serrulate, subsessile ; raceme large, terminal," decompound. — A large and beautiful fern, in swamps and meadows. The fronds are 3 — 4f high, smooth in all their parts. Leaflets or pinnae opposite, remote, each with 6 — 9 pairs of leaves with an odd one. These are an inch or more long, \ as wide, obtuse, the petioles 0 — J" long. Above, the frond is crowned with an ample bipinnate raceme of a deep fulvous hue, with innumerable, small, globular. 2-valved thecse entirely covering the segments. June. 3. O. Claytoniana. Frond pinnate; leaflets or pinnce pinnatifid, the upper ones contracted and fertile. — Smaller than either of the foregoing, found in swamps, Cambridge, N. Y., Dr. Beck, W. to Wise, Dr. Lapham ! Fronds 1— 2f high. Pinnai ob- long, obtuse, 2 — 4' long, tomentose in the axils. Segments entire. Each frond bears a terminal, bipinnate, rust-colored, erect panicle, covered with fruit. May. 4. O. INTERRfPTA. Michx. Frond pinnate, smooth ; leaflets nearly opposite, pinnatifid ; segments 6b- BoTRYCHiuM. CLXIV. FILICES. 6315 long, rather acute, entire ; some of the intermediate leaflets fertile. — A large fern in low grounds. Fronds 2 — 3f high, light green, interrupted near the mid- dle by 2 — 4 pairs of fertile leaflets, which are so uiuch contracted in size as to resemble dense, compound racemes, and densely covered with small reddish- brown thecae. Stipe channeled, smooth above, chafly at base. June. 14. LYGODIUM. Swartz. Gr. \vyit>Sci, flexible, slender; from the slender, climbing habit. Theeae sessile, arranged in 2-ranked spikelets issuing from the margin of the frond, opening on the inner side from the base to the summit; indusium a scale-like veil covering each theca. L. PALMATUM. Sw. Climbing Fern. Stem flexuous, climbing ; fronds conjugate, palmate, 5-lobed, lobes entire, obtuse ; spikelets oblong-linear, from the upper fronds, which are divided and contracted into a compound spike. — This is one of the few ferns with climbing stems, and the only one found in the U. S. Plant of a slender and delicate structure, smooth. Stem 3 — 4f long. Stipes alternate on the stem, forked, supporting a pair of fronds which are palmately divided into 5 — 9 segments. Fertile fronds terminal, numerously subdivided into linear-oblong segments or spikelets, with the fruit in 2 rows on the back. Mass. 1 to Penn., &c. July. 15. SCHIZ^ A. Smith. Ch'. C)(^t^ci), to cut, cleave ; alluding to the many-cleft spikes. Spikes unilateral, flabelliform, aggregate ; thecas roundish, radiate at top, sessile, bursting laterally ; indusium continuous, formed of the inflexed margins of the spikes. S. pusiLLA. Pursh. (S. tortuosa. Muhl.) Frond simple, linear, tortuous ; spikes few, crowded at the top of a long, slender stipe or scape. — A very delicate fern, found in the pine barrens, Gluaker Bridge, N. J., also in Western N. Y. by Mr. Timot/iy Westinore! Fronds nu- merous, csespitose, 2 — 3' long, § — 1" wide. Fertile stipes several, 3 — 6' high, filiform, with a lew short, unilateral spikelets at top arranged in 2 rows. Thecee somewhat turbinate, in 2 rows on the inner side of each spikelet. Aug. Tribe 3. OPHIOGIiOSSE^.— Thecce 1-celled, adnate at base, subglobose, coriaceous, opaque, half-2-valved, not cellitlar, and destitute of a ring. 16. OPHIOGLOSSUM. Gr. o(pts, a serpent, yXoaaa, tongue; from the resemblance. Theege roundish, opening transversely, connate, arranged in a 2-ranked, articulated spike. 0. TULGATUM. Adder's Tongue. Frond simple, oblong-ovate,"obtuse, closely reticulated; spike cauline. — A curious little plant in low grounds. Fronds solitaiy, 2 — 3' long, § as wide, amplexicaul, entire, smooth, without a midvein, situated upon the stem or stipe a little below the middle. Stipe 6 — 10' high, terminating in a lance-linear, compressed spike, 1 — 2' long, with the thecce arranged in 2, close, marginal i-anks. Thecffi opening outwards and horizontally, becoming Itmate, distinct, straw-colored. Vernation straight, not circinate. June. 17. BOTRYCHIUM. Swartz. Gr. PoTpvi, a cluster of grapes ; from the resemblance of the fructification. Thecce subglobose, 1-eelled, 2-valved, distinct, coriaceous, smooth, adnate to the compound rachis of a racemose panicle ; valves open- ing transversely. 1. B. NEGLECTDM. Wood. Meriden Botrychium. Stipe bearing the frond near the top ; frond simply pinnate, veiy short, wilh subentire or subpinnatifid ses^menls ; .'J/'/te paniculate. — A singular species, 54 63G LXV. MARSILEACEtE. Azolla. growing in woods, Meriden, N. H. ! It bears a general resemblance to B. Lu- narla of Europe, but is quite distinct from that species. Height 5 — 8'. Frond 9 20" long, i as wide ; segments 3 — 4 pairs, oblong, obtuse, erosely or incisely dentate. Panicle subsimple, often larger than the fronds. Thecae 2-valved. Jl. B. SIMPLEX. Hitchcock. SHpe bearing the frond above ; frond ternate, pinnatifid ; segments cune- ate-obovate, incised, unequal; spike subcompound, unilateral, interrupted. — Grows in dry, hilly pastures, Ms. ! Frond sheathed at base, with a lacerate membrane, nearly simple, divided into 3 or more segments which are 1 —2' long, often much dissected. Stipe or scape 3 — 6' high. Thecae sessile. Jn. 3. B. ViRGiNicuM. (B. gracile. P.) Rattlesnake Fern. Stipe with a single frond in the middle ; frond twice and thrice pinnate, the lowest pair of pinnae springing from the base ; iMimate segments obtuse, somewhat 3-toothed ; spikes decompound ; plaiit subpilose. — A beautiful fern, the largest of its genus, in low woods. Stipe or scape 1— 2f high, bearing the frond about half-way up. This is apparently ternate, the lower pair of divi- sions arising from the base. It is almost tripinnate, the ultimate segments being decurrent and more or less confluent at base, with 3 — 5 cut serratures. Panicle terminal, 3—6' long, reddish-tawny. June, July. 4. B. FUMARioiDEs. Willd. (B. obliquum. Muhl.) Scape bearing the frond near the base ; frond in 3 bipinnatifid divisions; segments obliquely" lanceolate, crenulate; spikes bipinnate. — Native of shady woods and pastures. Frond almost radical, of a triangular outline, 3 — 5' long and wide, of a stouter texture than the last, distinctly petiolate. Scape thick, 8 — 12' high, bearing a tawny, compound panicle 2 — 4' in length, composed of numerous little 2-ranked spikes. Aug. 0. disscctmn. Oakes. (B. dissectum. Willd.) Frond near the base of the scape, more numerously dissected, almost tripinnatifid. Order CLXV. MAKSILEACE^.— Pepperworts. Plants stemless, creeping or floating. . . i. , . Leaves veiny, usually petiolate, often sessile and scale-like, sometimes destitute oi a lamina. _ Reproducti ve organs o{ Uvo kinds; the one compound, the other simple, oval, radical bodies separate from or mCxed with the first, -with many cells. Genera 4, species 20? inhabiting ditches and inundated places in nearly all countries, but chiefly in temperate latitudes. 1. SALVINIA. Micheli. In honor of Salvini, professor of Greek at Florence. Stamens? jointed hairs on the stalks of the ovary; ovary nearly sessile, among the roots, hairy, 1 — 5, opening at top ; fruit capsular, covered with bristly hairs, containing reproductive bodies of two kinds, one kind globular, the other oblong. 5. NATANs. Willd. (Marsilea natans. Linn.) Leaves opposite, arranged in two rows upon the rhizoma, elliptical, entire, subcordate at base, obtuse at apex, clothed with fascicles of hairs above ; ova^ rles ox fruit nearly globose, aggregated in subsessile clusters on the rhizoma, submersed. — Q Floating, like a Lemna, in lakes and other still waters. West- ern N. Y. and Can. Leaves nearly an inch long, of fine green. The plant is quite rare. 2. AZOLLA. Lam. Gr. a^(o, to make dry, oXX^^i, to kill ; as the plants speedily die when taken from the water. Stamens ? capillary : reproductive organs in pairs or numerous, of two kinds, the one of two transverse cells, the upper containing seve- ral angular, stalked bodies, the other stipitate, numerous, globose, 1- celled, enclosed in an ovate, close involucre, and containing several angular spores. Chara. CLXVI. CHARACEiE. 637 A. Carouniana. Willd. Leaves arranged in two rows upon the rhizoma, imbricated, oblong-subu- late, obtusish, spreading, fleshy, the floating ones reddish beneath. — ® A small plant, resembling some of the mosses, floating in still or sluggish waters. North- ern and Western States. It has been found in Lake Ontario, and in Cayuga Marsh {Eaton), also in the Ohio river at Louisville, Ky. {M'Murt,) and other western rivers. Order CLXVI. CHAKACE^.— Charads. PtenZ aquatic, suhmersed; axis consisting of parallel, tubular cells, either transparent, or encrusted with carbonate of lime, furnished with_ leaves or Dranches consisting of verticillate tubes. Organs of reproduction consisting of round, succulent globules, containing lilaraents and a fluid ; and axillary nucules formed of a tew short tubes twisted spirally around a centre, endowed with the power ol germination. These are remarkable for the distinct current, readily observable with a microscope, in the fluid of each tube of which the plant is composed. The currents instantly cease when the plant is injured. CHARA. Gr. T^atpb), to rejoice; because it delights in the water? Grlobules minute, round, reddish, dehiscent, filled with a mass of elastic filaments; nucules (thecas?) sessile, oval, solitary, membrana- ceous, spirally striated, the summit indistinctly cleft into 5 valves, the interior filled with minute spores. 1. C. vulgaris. Feather-beds. Sts. and branches naked at base ; branches terete, leafy at the joints ; Ivs. (or brancUets 7) oblong-subulate ; bracts shorter than the fruit. — A slender, flexile plant of a dull green color, found in ponds and ditches generally stagnant. It appears in dense tufts, like a soft bed, undulating with the motion of the water. When taken out, it has an offensive odor. Stems slender, a foot or more long, with a verticil of about 8 filiform branchlets at each joint. June. 2. C. FLEXILIS. St. translucent, naked; branches jointless, leafless, compressed; nucules lateral, naked. — Found in ponds, Stockbridge, Ms., in company with Najas. Resembles the last, but the stems are shorter and more erect, nearly destitute of the verticils of branchlets. It is annual, as are also all the other species. Aug. 3. C. foliosa. Willd. (C. squamosa. Desf.) St. solitary, 8 — 10' high, calcarious and brittle, scabrous, striate, with 2 or 3 branches, the younger parts bearing numerous whorls of minute, leaf- like scales ; branchlets about 13 in a whorl, 6 — 9" long, involucrate at their ori- gin by a dense whorl of subulate scales ; each branchlet with 4 — 7 whorls of nearly obsolete scales; theca 2 — 4, on the inner side and lower half of each branchlet. — (I) Rivers, Ohio, Riddell, Ind. ! Aug. 4. C. HUMiLis. Riddell. St. incrusted, solitary and branching, scabrous, not sulcate, 2 — 3' high ; branchlets 8 — 10 in a whorl, without an involucre, generally equaling the inter- nodes (6 — 9") ; theccE 1 — 2 on each of the branchlets in the upper whorls. — 0 In shallow water, rivers, Ohio, Riddell. Color deep green. Resembles the last. Aug. 5. C. SABULosA. Riddell. Slone-ioort. St. 18' high, thickly encrusted and very brittle, with a few erect branches, subsulcate, papillose ; branchlets generally 10, sometimes 8, in each whorl, with- out an involucre, nearly 6" long, (about half as long as the internodes,) each with 2 — i verticils of scales; thcca: on the inner side of the branchlets, in the axils of the scales. — (J) Pools of clear water, 2 or 3 feet deep, Ohio, Ind. ! Color light pea-green. Aug. /?. spiralis. Riddell. Stems spirally sulcate ; branchlets longer. ADDENDA. Page 142, next after R. abortivus, iasert, R. RHOMBoiDEUs. Goldie. Hirsutely pubescent ; st. much branched from the base ; rad. Ivs. entire, rhomboid-ovate, crenate-dentate, on long petioles, caulbie Ivs. palmate, floral deeply laciniate; sep. spreading; hds. of carpels (large) globose; ach. smooth, with very short beaks. — Wise. Laphavi ! and Can. W . A low, bushy, hairy species, 6 — 10' high. Root leaves about 1' by §', often roundish or elliptical, the petioles about 2' long. Segments of the stem leaves linear-oblong, obtuse oftener entire. Petals yellow, oblong-obovate, exceeding the calyx. Page 166, next after A. l^vigata, insert, Arabis Patens. Sullivant. Erect, everywhere clothed with rigid, simple or forked hairs ; radical Ivs. rosulate, petiolate, middle ones oblong-ovate, coarsely dentate, auriculate-am- plexicaul, upper ones linear-oblong, subentire ; pedicels longer than the rather large white flowers ; siliqiics spreading and curved upwards, beaked with the conspicuous style.— Rocky banks of the Scioto river, Columbus, O., Sullivant. Page 378, next after P. rotundipolia, insert, Pyrola uliginosa. Torr. & Gray. Lvs. nearly round, sometimes inclining to ovate, coriaceous, longer than the petiole, decurrent, with a few prominent veins ; scape somewhat angular, with lanceolate bracts ; rac. 8 — 12-flowered ; cai. \ the length of the petals ; pet. ovate-oblong; stam. ascending; f,l. smooth; ova. depressed; sty. declined, cla- vate. — Sphagnous swamps, Galen, N. Y., Sartwell. Scape 4—8' high, many- flowered. Petals reddish-purple. Stigma toothed. June. (Z?r. Sart. comm.) Page 397, next after V. (Verbascum) Lychnitis, insert, /?. hybrida. St. simple, erect, tomentose ; lvs. ovate-oblong, subcordate, woolly on both surfaces; fls. in a terminal, somewhat leafy spike, yellow. — Rome, N. Y., Vasey. Apparently a hybrid between V. lychnitis and V. Thapsus. Page 420, next after P. pilosum, insert, Pycnanthemum Torreyi. Benth. St. pubescent, slender, moderately branched ; lvs. linear-lanceolate, smooth- ish, acute, denticulate, margin ciliate, under surface downy; cymose /wads con- tracted hemispherical ; cat. with lanceolate acuminate teeth with bristly hairs at the summit; slam, exserted. — York Island, Carey. Stem purplish, strict, about 2f high. Leaves 2 — 3' by 4". Corolla two-lipped, white. Ovary naked at the summit. Aug. (Dr. Sartwell comm.) Page 474, next after P. mite, insert, Polygonum Careyi. Olney. St. erect, hirsute, much branched ; lvs. lanceolate, with scattered and ap- pressed hairs ; slip, scarious, tubular, truncate, hairy ; spikes axillary and ter- minal, on very long, nodding peduncles, thickly beset with glandular hairs ; stam. shorter than perianth : sty. 2 ; ach. orbicular-ovate, mucronate. — Swamps, N. H. ! to R. I. Olney. Plant 3— 5f high. Leaves 3—6' by J— 1', midvein and margins hair}'. Calyx greenish-purple tinged with white, small. Resem- bles P. Pennsylvanicum. Jl. INDEX OP THE NATURAL ORDERS AND GENERA. «*» The names of the Orders are in Capitals.— Suborders are marked with the (t), and Sections with the («).— The Tribes are in Roman spaced,— the Genera in Roman— and the Synonyms in Italic. The figures after Sijn. refer to the Synonyms of the Genus next above. Arundo. . Syn. I Asarum, . ASCLEPIADACE.ffi. Asclepias, Abies, . 515 Amphicarpaea, 223 Abiet ineiE. . 514 Amphiotis, 306 Abutilon, . . 209 Amsonia, 457 Acalypha, . 488 f AmygdaleEe, Amygdalus, 240 ACANTHACE.E, . 395| 242 Acer, . 212 Syn 242 Syn.'iM ANACARDIACEiE, 202 ACERACEiE, . 212 Anagallis, 387 Acerates, . 460 Anchusa, 431 Acelosa, . . 477 Sijn. 433 Achillea, . . 342 Andromeda, . 371 Achyranthes, . . 185 Syn. 373 Acnida, . . 467 Andropogon, . 621 Aconitum, . 146 Andropogoneae, 621 Acorus, . . 521 Anemone, 139 Acrostichwm, . . 628 Byn. 141 148 Actaea, . . 146 Anethum, 290 Syn. 147 Angelica, . 290 291 Actinomeris, . 344 Anona, 151 Syn. 347 ANONACE^, 151 Adenarium, . 189 Anonymus, 484 Adiantum, . 633 Antennaria, 351 Adiumia, . 158 Anthemis, 342 Adonis, . . 141 Syn 342 Aeschynomene , . 230 Anthericea?, 552 iEsculus, . 214 Anthoxanthum. 608 .ffithusa. . 289 Anthropogon, . 618 Agathyrsus, . 359 Antirrhineas, 39S Agave, . 539 Antirrhinum, . 39S Agrimonia, . 255 Syn 39S Agropyron, . 619 Anychia, . 185 Agrostemma, . 191, 192 Apargia, , 358 Agros tideae . 596 Apios, 222 Agrostis, . . 596 Apium, . 2«8 Syn. 5 >9, 600, 601 Syn 289 Ailanthus, . 202 Aplectrum, 531 Aira, . 608 APOCYNACE.E, . 456 Stj n. 609, 613 Apocynum, 456 Ajugoidee . 429 AQUIPOLIACE.E, 381 A!cea, . 203 Aquilegia, 145 Aletris, . 541 Arabis, . 166 Alcheinilla, . 257 Syn. 162 169 Alisma, . . 526 ARACEjE, . 519 ALISMACE.I; . 526 Aralia, 294 Allium, . 550 ARALIACE^. 294 Alnus, . 499 Arbutus, . 371 Alopecurus, . 601 Archangelica, . 290 Alsine, . 187 Archemora, 291 A Is ine 33, 187 Arctium, 357 Althjea, . . 207 Arctostaphylos, 371 Alyssum, . 163 Arenaria, . 188 Syn. 162 Syn. 186 , 189 AMARANTH A- Arethusa, 535 CEiE, . . 470 Syn 535 Amaranthus, . 470 Argemone, 156 AMARYLLIA DA- Aristida, 595 CEiE, . . 538 Aristolochia, . 465 Amaryllis, . 538 ARISTOLOCHIA- Amberboa, . 354 CEJE. . 465 Ambrosia, . 353 Aritcneum, . 538 Amelanchier, . 245 Armeniaca, 242 Amellus. . . 333 Armeria, 390 Amianthum, . 553 Arnica, 335 Ammannia, . 260 Aronia, . . 245 ,246 Amrai, . 286 Arrhenathcrum, . 609 Ammophila, . 601 Artemisia, 349 Amorpha, . 225 Arum, 519 Ampelopsis, . 212 SjfT! 54* . 520 Ascyrum, Asp arageae, Asparagus, Asphodelus, Aspidium, Asplenium, Syn. Syn. Syn. Aster, . . 318— Syn. 325, 326, 327, As te roide aj. Astragalus, Atheropogon, . Atraire.ne, Atriiilex, Atropa, Syn. AURANTIACE-E, Avena, Syn. 609, A vene ae, Avicularia, Azalea, . Syn. 375, 376, Azolla, Baccharis, Syn. Ballota, BALSAMIFLUJE, BALSABIlNACEiE, Baptisia, . Barbarea, Bartonia, . 268, Bartsia, . . 409, Batatas, . . 442, Batschia, Begonia, . BEGONIACE.E, . Bellis, Benzoin, . BERBERIDACE-E, Berberis, . Beta. Betula, Syn. BETULACEiE, Bidens, Bigelovia, Bignonia, . 394. BIGNONIACE.E. . Bistorta, Blephilia, Blitum, . Babera. . Boehmeria, Boltonia, Bootsia, . Borragea>, . BORRAGINACE.a:, Borrago. Botrychium, . Brachyelytrum, . 610 601 Brachyscemum, Brasenia, 420 153 465 Brassica, 171 458 Briza, 616 458 Stjn. 615 616 461 Bromus, . 610 182 Syn 619 555 Broussonetia, . 50D 555 Bryophyllum. . 277 552 Buchnera, 407 628 Buchnereffi, 407 631 Bunias, . 171 630 Bupleurum, 286 632 Buxus. 489 -325 CABOMBACE.ffi. . 153 329 Cacaha, . 348 318 CACTACEiE, 274 229 Cactus, . 275 613 t Cffisalpinae, . 236 139 CakUe, 171 467 Caladium, 520 449 Calamagrostis, Calendula, 601 446 353 204 Calla, 520 609 Calliopsis, . 345 346 610 Callistephus. . 327 608 CALLITRICHA- 4-4 CE^, . 484 374 Callitriche, 484 37- Calopogon, 536 636 Caltha, . 143 334 CALYCANTHA- 334 CE^, . 253 428 Calycanthus, . 258 507 Calypso, . 531 199 Calystegia, 443 235 Camelina, 163 165 Camellia, 205 454 Campanida, . 36S 410 Syn. 366 ,367 443 CAMPANULACEiE ,365 433 t Campylospermje, 292 270 * Cannabieie, . 511 269 Cannabis, 511 327 CAPPARIDACE.E, 172 478 Capraria, 402 152 CAPRIPOLIACEjE 298 152 Caprifolium, . 298 ,299 470 Capsella, . 161 49S Capsicum, 447 499 Cardamine, 167 497 Syn 169 346 Cardiospermum, . 215 334 Carduus, . 356 357 399 Carex, 576 393 CaricejB, . 576 475 Carpinus, 497 418 Carthamus, 354 468 Canun, 288 347 Carya, 491 511 CARYOPHYLLA- 328 CE^, . 186 252 Cassandra, 372 430 Cassia, 236 429 Cassiope, 371 43l]Castanea, 49.5 635lCastilleja, 409 600 ICataJpa, . 394 640 Catananche, . . 358 Cmilinia, . . 524 Caulophyllum, Ceanothus, . . 217 Celastrus, . . 215 GELASTRACE^, 215 Celosia, . . . 472 Celtis, . . .483 Cenchrus, . . 607 Centaurea, . . 354 Syn. 354 Centaurella, : . 454 Centuncuhis, . . 387 Cephalanthus, . 307 CerasUum, . . 187 Cerasus, . . . 240 Syn. 241 Ceratochloa, . . 611 CERATOPHYLLA- CEjE, . . .484 Ceratophyllum, . 484 Ceratoschcenus, . 575 Cersis, . . .235 Cereus, . . .275 ChEerophyllum, . 292 Chara, . . .637 CHARADES, . 637 Cheilanthe3, . . 633 Syn. 633 Cheiranthus, . Syn. 170 Chelidonium, . 156 Syn. 156 Chelone, . . 400 Syn. 400, 401 Che lone OB, . . 399 CHENOPODIACEjE,466 Chenopodium, . 468 Chimaphila, . . 379 Chiogenes, . . S70 Chioiianthus, . . 463 Chironia, . 450, 451 Chloieae, . . 617 Chotidi~iUa, . . 362 Chrysanthemum, . 343 Syn. 328, 343 Chrysus, . . 157 Chrysocmna, . 334 Chrysopsis, . . 333 -. , . S^jn. 324 Chrj'sosplenium, . 281 Chrysostemma, . 345 Cicendia, . . 452 Cichoracese, . 357 Cichoriura, . . 357 Cicnta, . . .286 Cimicifuga, . . 147 Syn. 147 T Cnichoneae, . . 305 Cinna, . . .600 Circa-a, . . .266 C 1 r c 86 a, . . 266 Cirsium, . . .356 CISTACE^, . . isu Cisloptem, . 629, 630 Cist-US, . . .181 Citrus, . . .204 Cladiura, . . 575I Clarkia, ... 264 Claytonia, . . 194 Clematis, . . isg Cleome, . . .172 Stjn. 172, 173 Clethra, . . .373 CUnrjpodiuni, 419,42-2 Clintonia, . . 365 „,., . Syn. 553 Olitoria, . . .223 Cnicus, . . . 355 . Syn. 356, 357 Vmd!um., . . 290 Cochlearea, . . 163 Calestina, . . 317 t^C' [Ivy). XXVIII, 3; 12. A bridal decoration. Goldenrod. LXXV, 18. Encouragement. Hazel. CXXIV, 4. Reconciliation. HearV s-ease. XVII. 1 ; 21. Forget me not. Hibiscus Trionum. XXXVII, 5; 8. Thy beauty soon will fade. " (Sy?'mcMs. XXXVII, 5 ; 7. I would not be unreasonable. Heliotrope. XCIV, 14. Devotion. Hellebore. I, 8. It is a scandal. Holly. LXXIX. 1. Am I forgotten ? Hollyhock. XXXVII, 4 ; 2. Ambitious only of show. Honeysuckle. LXXI, I. Seek not a hasty answer. HoTp. CXXX, 9. You do me injustice. Houstonia. LXXII, 3 ; 1. Unaspiring beauty. Hyacinth. CLIII. 9. Jealousy. Hydrangea. LXV, 8 ; 3. Vain boasting * Ice-plant. LXII. Your very looks are freezing. Iris. CXLIX. I bring you a message. Ivy. LXVIII, 3. Nothing can part us. Jasmine. CIII. Thy gentle grace hath won me. THE LANGUAGE OF FLOWERS. Ul Jonquil. CXLVII, 2; 1. Requited loye. Judas-tree. XLVII, 34. Unbelief. Juniper. CXXXI, 5 ; I. I will protect thee. Ladies^ -slipper. CXL, 14. Caprice. Lark-spur. I, 12. Fickleness. Laurel. LXXVIII, 1 0. 0 falsehood ! treachery. Lavender. XCIII, 2. Owning her love, she sent him lavender. Lemon. XXXV, 1 ; 1. Discretion. ^Shaks. Lilac. CIV, 1. My first love. Lily (white). CLIII, 2; 4. Purity and sweetness. Lobelia. LXXVI, 1 ; 2. Away with your quackery. Locust {the green leaves). XLVII, 1 1 ;" 1 . My heart is buried. Lupine. XLVII, 31 ; I. Indignation. Magnolia grandijlora. II, 1 ; 4. Thou hast magnanimity. Magnolia glauca. II, 1 ; 1 • He lives in fame who dies in vir- ^Marigold. LXXV, 61 and 35. Cruelty. [tue's cause. Mignionctte. XV, 1 ; 2. Moral worth superior to beauty. Mirabilis. CIX. Timidity. Mislctoe. LXX. Meanness. Indolence. Mock-orange. LXVI, 9 ; 2. Deceit. I cannot trust thee. Blonk's-hood I, 13; 2. Deceit. Your words are poison. Myrtle {Mvrtus). L, 1. Love's offering. Myrtle {Myrica). CXXVI, 1. . Thine is the beauty of holiness, Nigella. I, 22 ; 1. Love-in-a-mist. Perplexity. Narcissus [Poet's Tazetta). CXLVII, 2 ; 3, 4. Egotists are agreeable only to themselves. Nasturtion. XXIX. Honor to the brave. Nettle. CXXX, 5. Thou art a slanderer. Night-shade. XCIX, 8 ; 2. Skepticism. Night-shade (Atropa). XCIX, 9. Death. Oak. CXXIV, I. Thou art honored above all. Oat. CLXI, 30 ; 4, Thy music charms me. Oleajider. CI, 4. Beware. The better part of valor is discretion. Olive {or Ash). CIV, 4. The emblem of peace. Orange flowers. XXXV, 1 ; 3. Bridal festivity. Ox-eije Daisy. LXXV, 40. Be patient. Parsley. LXVII, 14. Thy presence is desired. Passion-flower. LVII. Let love to God precede all other love. Pea. XLVII. 4. Grant me an interview. Peach blossom. XL VIII, 4 ; 1. Preference. Pennyroyal. XCIII, 18. Flee temptation. Pceony. I, 21 : 1. A frown. Pepper. XCIX, 7. Your wit is too keen for friendship. Periwinkle [vinca). CI, 3. Remember the past. Phlox. XCVI, 1. Our souls are one. Pine {Balsam). CXXXI, 2 ; 4. Time will cure. Pine {Pitch). CXXXI, 1 ; 5. Time and philosophy. Pine {Spruce). CXXXI, 2 ; 1-3. Farewell ! Pine {JVhite). CXXXI,!. High-souled patriotism. THE LANGUAGE OF FLOWERS. Fink [single white). XXIII, 10 ; 4. Artlessness. Pink [single red). A token of pure and ardent love. Pink {variegated). Frank refusal. Poppy (red). XI, 5 ; 3. Oblivion is the cure. Poppy (white). XI, 5 ; 1. 'Twixt life and death. Poppy [variegated). Flirtation. Thine arts are powerless. Primrose. LXXXII, 2 ; 8. Confidence. Primrose [evening). LV, 2 ; 1. Inconstancy. Quince. XLVIII, 8. Beware of temptation. Rocket. XIII, 18. Thou vain coquette ! Rosemary. XCIII, 10. Remember me. Rose [Burgundy). XLVIII, 10 ; 14 (rar.) Gentle and innocent. '' [Damask). — ; 12. Blushes augment thy beauty. " [Moss). — ; 14 [var ). Thou art one of a thousand. " [White).— \ 16. My heart is free. " ( White, withered). Transient impressions. » " [Wild). — ; 1. Simplicity. Let not this false world de- ceive you. " [Cimiamoti). — ; 7. Without pretension. Such as I am, receive me ; would I were more for your sake. " [Bud). Thou hast stolen my affections. Rue. XXXIV, 1. Disdain. Sage. XCIII, 9 ; 2. There is nothing lovelier in woman than the domestic virtues. Snap-drago?i. XCI, 3 ; 1. — 4 ; 1. Thou hast deceived me. Snow-ball. LXXI, 7 ; 2. Thou livest a useless life. Snow-drop. CXLVII, 3. I am no summer friend. Sorrel. CX, 4;11. Ill-timed wit. Ajester is a dangerous friend. Speedwell. XCI, 8 ; 5, 8, &c. My best wishes. Spiderwort. CLVII, 2. You have my esteem — are you content? Star of Bethlehem. CLIII, 8. Look heavenward. Stock-july-flower. XIII, 22. Too lavish of smiles- Sumac. XXXIII. Splendid misery. Sweet-pea. XLVII, 1 ; 7. Must you go 1 Sweet-william. XXIII, 8 : 2. — 10 ; 2. A man may smile and be Thistle. LXXV, 69. Misanthropy. [a villain too Thorn-apple. XCIX, 3 ; 1. Thou scarcely hidest thy guilt. Thyme. XCIII, 13. The prize of virtue. Tulip [variegated). CLIII, 1. Thy spell is broken. Tulip [yellow). I dare not aspire so high. Venus' -looking-glass. LXXVIl , 2 ; 2. Flattery hath spoiled thee. Vervain. XCI I, 1 ; 1, 7. I see thine arts and despise them. Violet [blue). XVII, 1; 2, &c. Faithfulness. I shall never forget. " [white). — ; 10-12. Retirement. I must be sought to be Virgin' s-bower. I, 1 ; 2. Filial aifection. [found. Wall-flower. XII 1, 21 ; 2. A friend in need is a friend indeed ! Water lily. IX, 1. Be silent. Weeping Willow. CXXVII , 1 ; 23. Mourningfor friends depart- Zinnia. LXXV, 33. To the prude. [ed. WOOD'S CLASS-BOOK OF BOTANY. CROCKER & BREWSTER, BOSTON, HAVE JUST PUBLISHED QV ^lass-Book of Botaurj, DESIGNED FOR COLLEGES, ACADEMIES, AND OTHER SEMINARIES. PART I.— The Elements of Botanical Science. PART II.— Tlie Katural Orders, illustrated by a Flora of the Nortli- ern United States, or of tlie United States nortli of the Capital, lat* 38 3-4:. By ALPHONSO WOOD, A.M. The peculiarities of this new ■work, which adapt it to the use of schools, families, and of bota- nists senerally at the present day, are as follows : — 1. It exhibits, clearly and concisely, the Science of Botany, as it is understood at the present time, witli all those beautiful discoveries resulting from the recently adopted theory of the " transformation of leaves into the floral organs." 2. It contains a.fuU Flora of a limited section of country, viz., of the United States north of the latitude of Washington, D. C. 3. The species of Plants ai-e described accurately and minutely, in order to their complete recognition. 4. The former drudgery of botanic analysis, necessary in every other School Botany, is wholly obviated in this work by a new system of Analytical Tables, near two hundred in num- ber, prepared with great labor and care, by means of which, the pupil is able to turn to the place and name of cin unknown plant with about the same facihty as he turns to a word in a dictionary. 5. The Elements of the Science and the Flora are both embraced in one volume, of a price so Jdw as places it within the means of every pupil. The following recommendations have been received ; — viz : From Prof. Emmons, of Williams College. I am highly gratified that at last we have an excellent Class-Book of Botany, by Mr. Wood. We have been almost obliged to abandon the study of Botany in our Colleges and Academies for several years, in consequence of the want of a suitable work as a text-book for students. In this work of Mr. Wood, we have a desideratum supplied, certainly excellent, with an arrangement beautifully simple, and even elegant, and at the same time exact, so far as I have yet applied it. Though Mr. Wood is personally unknown to me, I shall be extremely well pleased to see his labors crowned with success, and his book immedi- ately adopted in all our institutions where Botany is taught. EBENEZER EMMONS, Prof, of Natural History in Williams College, and in the Albany Medical College. From. Messrs. Peck, Newman, and Wentwortk, of Troy Conference Academy. Wood's Botany evidently embodies more traits of excellence and usefulness than any one of the various elementary treatises in general use. In some of these, the preliminary principles of the science are unduly expanded ; from others, they are nearly or quite excluded. Mr. Wood's work combines a concise and lucid exposition of primary prin- ciples, wiih ample illustrations of the science, drawn from the Flora of our own immediate section. We have adopted it as a text-book in Troy Conference Academy. JESSE T. PECK, Principal. JOHN NEWMAN, Teacher of Mathematics. E. WENTWORTH, Teacher of Nat. Science. From Henry P. Sarlwell, M.D., of Pennyan, N. Y. After a thorough examination of Wood's Class-Book of Botany, I have no hesitation in pronouncing it superior to any work now in use as a text-book, and every way better adapted to the use of beginners. The analytical tables are a great improvement, and will very much as- sist the student in the analysis of plants. The union also of Physiolo- gical and Practical Botany will be duly appreciated by the botanical student. I have compared many of Mr. Wood's descriptions with the plants, and find them uncommonly correct. I shall take pleasure in recommending the work, as a text-book, in all our schools where the science is taught. HENRY P. SARTWELL, M.D. From President Hitchcock, of Amherst College. I have examined with a good deal of interest, Mr. Wood's Class- Book of Botany ; and I am glad to find that it comes nearer what seems to me to be wanted in most of our Colleges and Academies, than any work with which I am acquainted. But what will render Mr. Wood's work peculiarly acceptable to a large portion of students, is, that while he has given a condensed summary of structural and physio- logical botany, he has added descriptions of all the native and most of the cultivated plants of the United States north of the latitude of Washington, D. C, and thus rendered it unnecessary for the scholar to obtain two separate works. And though this may seem to some to be truckling to a penny-wise system of economy in the study of science, yet with a large proportion of students in the country, the alternative lies between adopting it and not studying plants at all. The work of Mr. Wood appears to me extremely well adapted to most of our Col- leges and Academies. His tables of Analysis appear to me to be an improvement upon the analogous tables presented by Lindiey in his Ladies' Botany ; and they must afford much assistance to the beginner. EDWARD HITCHCOCK, President of Amherst College. From Dr. Gould, Boston. I have examined the " Class-Book of Botany," by Alphonso Wood, and think it well designed and well executed. The elementary portion is brief but comprehensive, conforming to the latest discoveries in vege- table physiology, and well illustrated by wood-cuts. The definitions are perspicuous and well arranged. The classification according to the Natural System is accompanied by ingenious synoptical tables, leading to the discovery of the genera under their Natural Orders. It professes to give also a Flora of the Northern United States; and so far as I can judge, the catalogue of plants is very complete, and the descriptions of them seem sufficiently accurate and minute, so as to leave little else to be desired by the student of Botany. Combining, as it does, so good a digest of elementary and descriptive botany lor the region, in so small a space, it appears to me worthy of high commendation, and destined to extensive use. AUGUSTUS A. GOULD. From the American Journal of Arts and Sciences. This work is constructed on the Natural System, and has been a great desideratum for several years. \{s element.s oC Botanical Science con- tain a faithful, clear and definite view of the principles taught by De CandoUe, Lindiey, Gray, Torrey, &c., the Classes, Orders and Genera are all founded on the same authorities, and its descriptions of speci- mens, comprising all the plants of New England, tlie Middle and West- em States especially, except the lower orders of Cryptogamia, are according to the natural method. By means of many plain and Inge- nious tables, the learner is led to the genus or the natural order where the plant is found and described. This work makes the study of plants interesting and fascinating, and must in our country supersede all the common works on the Linnaean methods. Teachers of academies, schools, &c., will find it a noble work for their use in the study of plants. Frorn Messrs. SiBollow and Cleaveland, of Brutiswick, Me. Satisfied that Mr. Wood's Botany is well calculated to supply the extensive demand for a Text-Book on Botany, we cheerfully recom- mend it to the use oi^ schools and families. It has some advantages, at least, over any similar work extant. It contains in the same volume an Introduction to the Science and a Flora containing full descriptions of the plants [native and cultivated] of New England and New York. By the introduction of Analytical Tables, together with the Natural Arrangement, the author has happily combined the advantages of both the Natural and Artificial systems. G. C. SWALLOW, Principal of Brunswick Female Seminary. P. CLEAVELAND, Professor, &c., in Bowdoin College. From Dr. Davis, late Speaker of the House of Representatives. Sir— I have your favor of the 15th inst., accompanied by the first part of " the Elements of Botanical Science," by Alphonso Wood, A.M. From the cursory examination which I have given to this part of the work, I am satisfied that it is a work admirably calculated to pro- mote the design and object of the author. I remain, very respectfully. Your ob't serv't, JOHN W. DAVIS. From Rev. Henry W. Beecher, Indianapolis, la., Editor of Western Farmer and Gardener." As a Class-Book, there is no work now before the public, within my knowledge, which can compare with this. Very great progress has been made, of late years, in the science of Botany, and the latest improve- ments are included in this work. The arrangement is excellent. Sev- eral entirely new features are introduced, which cannot fail to expedite the labors of the beginner. As a Manual also, the advanced botanist will find it eminently serviceable. We can truly say, that we have never before seen a work that appeared so worthy to be introduced into our higher seminaries. HENRY WARD BEECHER. From Dr. John T. Pluminer, Richmond. Ind. I have examined with much interest the " Class-Book of Botany," by Alphonso Wood ; and do not hesitate to say that I consider it superior to any work of the kind that has yet fallen into my hands. The author has c'ompressed within the compass of his book a great amount of valu- able information, and appears to me to have succeeded well in present- ing that information in so intelligible a form as to render the work par- ticularly desirable to both the pubhc and private student. Richmond, Ind. JOHN T. PLUMMER. From Prof. Paul A. Chadbouryie. Dear Sir — Having had the pleasure, not only of examining your " Class-Book of Botany," but of making it my constant companion in my Botanical studies during the past year. lam happy to say that I consider it superior to any elementary work on Botany with which I am acquainted. The Jirst part contains all that is necessary for the student (o know before entering upon practical botany, after which only more extensive works can be read with profit. In the second part the true order of Nature seems to have been arrived at. The tables of analysis and arrangement of the Natural Orders are such that one can scarcely fail to be led at once to the object of his search. The individual descriptions also seem to secure scientific accuracy without that abbreviated and almost algebraic style too much in vogue in elementary works. And I cannot doubt but that for your labors you will receive the encouragement and thanks of both the practical botanist and the beginner, to whose pleasure and profit you have so eminently contributed. Very respectfully yours, Williams College, Oct. 1, 1847. PAUL A. CHADBOURNE. From Dr. A. G. Skinner, Greene Co., Indiana. I regard Wood's Botany as a work exhibiting great labor, careful re- search, illustrating the principles of botanic science in a clear, correct, concise and interesting manner, combining, in a happy degree, correct- ness and fullness of description with brevity and perspicuity of language, and in a manner calculated to engage the attention and memory of the student in botany ; in fact, supplying a want which has long been seri- ously felt by those commencing the science. From Ilorace Silsbee, A.M., Principal of B!ue Hill Academy, Me. I have omitted no opportunity to recommend the " Class-Book of Botany," and to explain its superior merits. Its scientific classifications, and copious and discriminating descriptions of species are qualities which not only facilitate an acquaintance with the science, but also ren- der it very improving as a means of mental discipline. Blue Hill, Me., Jan. 28, 1848. Gorham, Me., Feb., 1848. Messrs. Crocker & Brewster — I have used Wood's Class-Book of Botany, with classes pursuing that study, for two seasons. The briefest experience in conducting a class with that woric, will be sufficient, I believe, to convince any one of its superiority to the school manuals on the subject, px-eviously in use. The first edition accompli.shed an important service, in the matter of guiding one from the artificial to the natural system. A still more important work has been accomplished, in the second, in the construction of synoptical tables, by which the learner passes to a knowledge of the natural and only philosophical system, without the machinery of the artificial. Its descrip- tions are clear, distinguishing, sutficiently full. It is the " Class-Book of Botany." EDWARD P. WESTON, Principal of Gorham Seminary. From Dr. Young, State Botanist, Bangor, Me. '' Wood's Botany, last edition, is the best iii use ; — a very excellent work." From Dr. S. B. Mead, Augusta, III. With your Class-Book I am much pleased, and would recommend it to Botanists in the Northern, Middle and Western States, as a valuable work, containing descriptions of all the plants hitherto detected in those S'ales, in a cheap portable form. Such a work is much needed in the West, and I trust will have a large circulation. WILL BE PUBLISHED IN THE ENSUING SUMMER,- FIRST LESSONS IN BOTANY; Designed for Common Schools, &c., tlirout'iiout the United Slates— by the author of the " Class-Book of Botany." This httle work will contain, in the form of questions and answers, most of the elementary principles of Botany, expressed with as much c-leamess and simplicity as the case will admit of It will thus be adapied to the comprehension of children at a com- paratively early aae, and is calculated to awaken in them habits of investigation, and an abiding interest in this most delightful science. Tlie systematic part will conduct the pupil, by easy steps, to ail acquaintance with the Natural Svst'em of Classification, anil to the most approved methods of Tahidar Analysis. A miniature Flora, containing desc^-iptions of some of the most common and obvious plants, both native and cultivated, in the United States, is added as a means for preliminary exercises in praclical Botany. Thus it will be seen that this work may be regarded as a stepping-stone to the " Ciass-Book," and others ol^ that rank, but never as a substitute for them.— The work will be illustrated with numerous engravings. 7o o Wood, Alphonso/A class-book of botany: d 3 5185 00125 2707