THE

BOTANY

OF

THE VOYAGE OF H.M.S SULPHUR,

UNDER THE COMMAND OF

CAPTAIN SIR EDWARD BELCHER, R.N., C.B., F.R.G.S., ETC.

DURING THE YEARS 1836-42.

PUBLISHED UNDER THE AUTHORITY OF
THE LORDS COMMISSIONERS OF THE ADMIRALTY.

Evitedy and Huperintended by

RICHARD BRINSLEY HINDS, ESQ., SURGEON, R.N.,

ATTACHED TO THE EXPEDITION.

THE BOTANICAL DESCRIPTIONS

BY

GEORGE BENTHAM, ESQ.
Sr ceetiaeteee Toa

LONDON: ;
PUBLISHED BY SMITH, ELDER AND CO., 65, CORNHILL.
MDCCCXLIV. : Q :

MissourR! BOTANICAB
MARDEN LigpRaey

BOTANY

OF THE

VOYAGE OF THE SULPHUR,

I. NORTH-WEST AMERICA.

Tue portion of country visited, and which may be accepted under this popular
denomination, extends from 60° 21’ to 46° 19’ N. lat. Port Etches, in King
William’s Sound, and the Columbia River are situated at the extremes, and Port
Mulgrave, Sitka, and Nootka Sound, are intermediate. These places were seve-
rally visited during the autumn of 1837, with the exception of the Oregon or
Columbia River, the examination of which was deferred till the months of August
and September in 1839. The whole territory, though extensive, is remarkably
uniform in its physical character and natural productions. The climate is far
more moderate than on the eastern coast, not being liable to those great vicissi-
tudes, nor ever known to display any great range of temperature. The number
of rainy days in the year is very great, and at Sitka only thirty-seven really fine
clear days were recorded throughout this period. At this Russian settlement
some extended observations gave the mean temperature of the year as 45° 5, and
the range from 2° 3’ to 81° 9’... The whole country is bold and mountainous, in-
tersected by deep and moist valleys, and is every where covered by a gloomy forest
of spruce. These vast forests offer a scene which powerfully arrests attention.
The trees are often of enormous dimensions ; stretching upwards, with scarcely a
branch, to where the eye almost fails to follow them, with enormous trunks, very
deceptive till brought within the scope of our experience by means of the tape-
line ; beneath, a most luxuriant undergrowth everywhere abounds, and has an
exuberance and charm about it which is rarely supposed to be possible beyond
the tropics. But over these the influence of the moist climate is unceasing. It
most probably hurries through a rapid existence the more lowly shrubs, and its
effect on the trees is very marked. None are seen to attain any great age, that is,
none have that appearance ; but when the vigour of life is past, they rapidly yield
B

2 BOTANY OF THE VOYAGE OF THE SULPHUR.

to the constant influence of the moist atmosphere, soil, and investment of mosses
and lichens, and soon fall to the ground, which in some places they occupy
in great numbers. But as is everywhere observable where the climate is uniform,
the variety in species is not great; and some will occur with multitudes of in-
dividuals covering a very large space. It is curious to observe how tenaciously
some genera extend throughout this territory, though continually represented by
a different species. This is particularly conspicuous with Vaccinium, Rubus,
Ribes, Rosa, and Lupinus. The former has several deciduous species towards
the northern portion, but towards the south they become neat evergreen shrubs,
with a myrtle-like foliage. To a European, the general features of the vegetation
are entirely such as he is familiar with, only modified by the character of the
climate and country; with the exception, that there are two common plants,
Panax horridum and Dracontium camtschaticum, which differ so entirely from
the surrounding vegetation, as to exert a very considerable influence on the phy-
siognomy.—Ep.

The number of species collected at these several places was altogether about
200; many of them are as yet very scarce in herbaria, but none entirely new, the
whole line of coast having been already pretty well explored by English,
American, and Russian botanists. They have also been well described in several
works, amongst which we may particularly refer to Hooker’s Flora Boreali-
Americana, Bongard’s Végétation de l’Isle de Sitcha, and to two general works
now in the course of publication, Ledebour’s Flora Rossica for the Russian
possessions, and Torrey and Gray’s Flora of North America, which includes the
whole of the territory visited. An enumeration of the species collected by the
Expedition would therefore be superfluous.

Il. CALIFORNIA.

It usually happens, that the season most favourable for the nautical examina-
tion of a country, is that which is least so from acquaintance with its vegetation ;
and this proved particularly the case with California. Indeed, the residents would
almost check our pursuits, by representing that the season was past when Botany
should be pursued, whilst they dwelt with much animation on the rich vesture
the country assumed after the period of the rains. It was late in the autumn
of 1837, when an Expedition up the Rio Sacramento penetrated from San

CALIFORNIA. 3

Francisco some distance into the interior. The country exhibited a vast plain,
rich in a deep soil, and subject to periodical submersion. Occasional clumps of
fine oaks and planes imparted an appearance of park-land. ‘They were already
shedding their leaves; a small grape was very abundant on the banks; and we
sometimes obtained a dessert from the fruit of a juglans. We had scarcely
returned, when a storm covered the maritime range of hills with snow; and this
set the final seal on the year’s vegetation. On quitting the coast for the interior,
we exchanged the evergreen oaks for deciduous species. The latter grow to fine
trees, with wood of great specific gravity. But the natives have a very pernicious
practice of lighting their fires at the bases; and as they naturally select the
largest, it was really a sorrowful sight to behold numbers of the finest trees thus
prematurely and wantonly destroyed. And it is not a country where wood is
superabundant; for no sooner is the Oregon crossed than the spruce forests
disappear, and the prevailing trees are oaks, which towards the South become
gradually less abundant.
But Upper California had already been tolerably examined ; and it was our
good fortune to touch rapidly at several places on the coast of Lower, or New
‘California, during October and November, 1839, and here we trod in no footsteps,
as none had preceded us. I shall confine myself to a few brief abstracts of notes
written at the time, as they may convey fresher and more correct impressions ;
merely premising, that the two Californias are countries differing in many
essential particulars, and that San Diego is their political place of separation.

New California, Oct. 15th.—We have touched already at several places on the
coast. Everywhere it has much the same character, being almost destitute of
wood or even of shrubs; where there happens to be any of the former, consisting
of evergreen oak. At this season the soil is dried and cracked, and the vegetation
extremely arid. Yet even here after a day’s wanderings we return with a dozen
or more different species in flower, and I very much doubt this being a common
event in the Tropics during the dry season. The prevalence of Composite is
truly great, and one is surprised at the variety of aspect their flowers are capable
of assuming. They are not all blue Asters, or yellow Coreopsis, as is seen in an
English garden, but have very varied colours and tints. At different places on
the coast the species vary, and their total is perhaps considerable. My attention
has been directed to the distribution of Cactee, by meeting with two species for
the first time at San Pedro, as we are descending the coast. Their limit here
then may be stated at 34° N.; but in the Rocky Mountains, a species has been
recorded at 49°. On the plains of the Missouri four species attain to 48°. Jn
Europe we have a representative in 44°, And in Chiloe they probably cease at
about 42° S.. :

+ BOTANY OF THE VOYAGE OF THE SULPHUR.

San Diego, 32° 29' N. lat. The vegetation generally is highly aromatic, not
certainly always fragrant or agreeable, but abounding in strongly scented properties.
It continues to consist of a low shrubby character, amongst which multitudes
of quail, rabbits, and hares love to nestle. Composite greatly prevail, and are
numerous even as species. Cuctee are now common, and three species have
been noticed ; there are a few lactescent plants, and many of the shrubs have
tough leathery leaves—intelligible indices of the prevailing climate. Ricinus
communis is seen for the first time, and a few trees of Phenix dactylifera. The
latter bears no fruit fit for eating, it being very sour. One of the trees was tall
and fine grown, and stood a solitary vegetable monument amid a lowly growth.
None of the stunted evergreen oak have been seen below Santa Barbara, and
their Northern limit is the waters of San Francisco; thus ranging on the coast
between 38° and 34° N, lat.

San Quentin, 30° 21' N. lat. We had heard that Lower California was
“ Muy Arenoso,” but this place did not quite coincide with our conceptions; it
was, however, extremely arid. In one place sand abounds, in another plenty of
vesicular lava and volcanic ashes: there is still some vegetation. Our species
of Cactee are increased to seven; there is an herbaceous Composite with aromatic
and excessively clammy leaves. Abronia umbellata is a relief to the eye, and
protects the sand, whose surface is ever on the move; and thus each plant is
seated over a little dome, which it has shielded from the winds. Its flowers get
deeper coloured as we gain the south. The long taper roots are an article of food
on the Oregon; and having had some cooked, I must confess I have tasted a
worse vegetable.

San Bartolomé, 27°40' N.lat., Oct.29th. Nothing can exceed the rugged and
dreary condition of its shores, yet here and there is a straggling shrub, and at
nearly every spot we land is some peculiar plant. I remarked here, what will
generally apply to California, that many plants have the habit of bearing their
leaves and flowers at different periods ; we saw a few in flower of which it was
impossible to obtain leaves, and these flowers unequalled for the brilliancy of
their colours.

Bay of Mugdalena, 24° 38' N, lat., Noy. 2nd. I was yesterday greatly sur-
prised to find that the vegetation here is so truly varied, beautiful, and engaging.
A distant view of the hills yields nothing but a dreary prospect, apparently
solely broken by a few cactus; and on approaching nearer appearances do not
improve. But on landing, and climbing over the rocks and stones and threading
the ravines, we behold the surface diversified by clusters of the most interesting
and brilliant flowers, and we are surprised that they should thus flourish
amongst so much aridity. It is even more singular that they nearly all should

CALIFORNIA. a)

be strangers to us, since we have touched so much on the coast. Composite now
cease to be so abundant, but a few herbaceous species were collected. Euphor-
biaceé are very numerous and equally curious, and they rank next to Composite
in the physionomy of the vegetation. Cactee are next in prominence, with
new additions to their species. Leguminose, Scrophularinee and Labiata, are all
feebly represented. Tropical features are becoming decidedly developed. A
solitary cruciferous plant flourishes on the arid sides of the hills.—Nov. 10th.
Two days since our surveyors returned from the examination of an estero or
creek, They had been also searching for water, a stream of which we have
scarcely seen in lower California, and were unsuccessful ; they, however, brought
me some news of the vegetation. The mangrove abounds on the margins, and
this is the most northern station of our observation. The Cactus was growing to
an enormous size, and more species were seen and collected. The trunk of one
tree measured upwards of six feet in circumference, and each of the three
branches into which it was divided between four and five feet.—Nov. 19th.
Since the above I have gathered the mangrove, Rhizophora Mangle, myself.
Like the rest of the vegetation it is stunted, not usually exceeding four feet,
never six. I have also seen some attempts at trees ; imagine what the bones and
muscles of a giant would be distorted into three feet, such looked these trees.
They twisted and twirled, but could not assume the erect position. Their
diameters were far from inconsiderable.

But my brief notes are already too copious. As we left the Bay of
Magdalena thin fleecy clouds began to spread over its clear sky, and indicated
the near approach of the rainy season ; and then would be called into active
life and vigour a host of beautiful flowers, which we were not to gather. Indeed
our visit was in the most inopportune onesie of the whole year, so far as vegetation
was concerned.

We afterwards landed at Cape San Lucas, and not without profit. The
Cactee here, as elsewhere, were studiously sought after, and behind the raised
beach is a fine array of trees, with all their singularity and interest. The after-
part of the vessel by this time presented a small forest of them, but though
tended with much care, and with a due regard to their constitutions, they one > by
one pined and died during the subsequent voyage.—Eb. |

The flora of this country is particularly interesting, as forming the connecting
link between the north-west and the tropical vegetation. The species collected
in Upper California are for the most part already published in the Botany of
Captain Beechey’s Voyage, or in Torrey and Gray’s Flora. As species they are
generally peculiar to the districts where they are found, but belong chiefly to the

c

6 BOTANY OF THE VOYAGE OF THE SULPHUR.

same genera or groups as the north-western plants. But the Lower Californian
plants, especially the interesting collection, made at the Bay of Magdalena and
the Cape San Lucas, are almost all either tropical or Mexican forms, but chiefly
new as to species. The specimens, owing to the season at which the country was
visited, were often only found in fruit, or with very young flowers, and there is no
doubt but that, were this hitherto unexplored district examined at a period of full
vegetation, a very rich harvest might be made. I am not aware of any South
Californian plants having been yet published.

In the following enumeration, the species already described are merely
mentioned, with a reference to some work where their character may be found.

The new species will be described as fully as the state of the specimens
admits of.

CRUCIFERAE.

1. AraBis? sp. n., A. petrea affinis, sed glaberrima foliis omnibus petiolatis
pinnatifidis.—The specimens are barely in flower, and therefore the genus is
uncertain in this difficult order.—Stony hills 400 to 500 feet high on the Bay of
Magdalena.

CAPPARIDEX.

2. Isomeris arborea Nutt. in Torr. et Gr. Fl. N. Amer. 1. p. 124.—The genus
appears to me to be scarcely sufficiently distinct from Cleome, unless the several
sections of that genus are separated from it.—San Pedro and San Diego.

POLYGALACER.

3. Kramerta parvifolia sp. n. (Plate I.) frutescens, adpresse pubescens, foliis linearibus obtusis
vel vix acutis, pedicellis medio bracteatis paucis folio longioribus, capsula cordato-globosa subdidyma
breviter acuminata, aculeis tenuibus apice hamulosis.—Bay of Magdalena.

Rami divaricati, rigidi, ramosissimi. Ramuli et folia pube adpressa more Heliotropiorum canescentia.
Folia inferiora semipollicaria, summa multo minora, sepius falcata et apice obtusa vel mucrone subrecurvo
acutata. Flores parvi, in speciminibus suppetentibus fere omnes a vermibus exesi, sed, tanquam e fragmentis
judicare potes, filamenta petaloidea basi interne connata videntur, a staminibus fertilibus libera. Capsula sua
sponte indehiscens, in valvulas duas separabilis, utrinque ad suturam obscure costata, apice breviter acuminata,
nec ut in plerisque speciebus depressa.

CALIFORNIA. 7

This species is probably allied to K. pauciflora DC., very imperfectly
described from a drawing of a Mexican plant; but in his short character the

leaves are said to be oblong-linear, which is scarcely applicable to the K. parvi-
folia.

VIOLACER.

4. Ionrp1um fruticulosum, sp. n. (Plate IL.) humile, erectum, ramosissimum, pubescens, foliis
alternis linearibus integerrimis, stipulis parvis, floribus breviter pedunculatis, sepalis ovatis obtusius-
culis, labello subsessili calyce dimidio longiore, staminum filamentis brevibus, 2 anticis supra basin
glandula gibbis, squamulis ovatis, capsulis trigonis glabris calyce duplo longioribus.—Cape San
Lucas.

Fruticulus habitu Thesii, ramulis 3-4-pollicaribus, viridibus, pilis adpressis puberulis. Folia basi in
petiolum angustata, 6-10 lin. longa, Flores parvi. Sepala margine membranacea, Petala parum ineequalia,
quatuor superiora calycem zequantia, labellum vix dimidio longius, Semina plerumque sex, obovoideo-compressa,
pallida.

Plate II. fig. 1, flower ; fig. 2, petals; fig. 3, stamens; fig. 4, style, all magnified.

FRANKENIACER,

5. FRANKENIA grandifolia, Cham, et Schlecht. Linnea, 1. p. 35.—San Pedro.

MALVACEz.

6. Hisiscus (Bombicella) denudatus, sp.n. (Plate III.) suffruticosus? dense stellato-tomentosus,
foliis lato-ovatis orbiculatisve crenatis, pedunculis axillaribus petiolo vix longioribus, involucello
nullo vel ad bracteolas tuberculiformes reducto.—Bay of Magdalena.

Rami divaricati, uti folia pedunculi et calyces tomento denso flavicantes, Folia 1-14-pollicaria, distantia,
mollia, sub-5-nervia, basi cuneata vel rotundata, petiolo 2-4 lin. longo. Pedunculi semi-pollicares. Involu-
cellum nune omnino nullum, nunc ejus loco tuberculi adsunt in lana fere absconditi. Calyx profunde 5-fidus,
laciniis lanceolatis fere 4 lin, longis. Petala pollicaria, tenuiter ciliata. Columna staminea pistillo dimidio
brevior, a basi tecta antheris stipitatis, stipitibus seepe 2-3-furcatis. Stylus apice breviter 5-fidus. Capsula
calyce paullo brevior, depresso-globosa, 5-angularis, 5-valvis, valvulis medio septiferis, a columna centrali tenui
persistente (ut in plerisque Bombicellis) solutis. Semina in quoque loculo pauca, angulo centrali affixa, lana

involuta.

Plate III. fig. 1, bud; fig. 2, staminal column and style; fig. 3, capsule; fig. 4, the same, cut
open ; fig. 5, seed, all magnified,

The technical character derived from the calyx and capsule would almost
place this plant in Lagunea, of which it has neither the stamens and stigmata,
nor yet the habit or station. It has the habit and, with the exception of the

8 BOTANY OF THE VOYAGE OF THE SULPHUR.

want of an involucellum, the character of Bombicella, which ought perhaps
rather to be considered as a distinct genus than as a section of Hibiscus. In
some other species, however, of Bombicella, as in some Fugosie, the involu-
cellum is reduced to small setiform appendages, slight traces of which may be
observed on the young bud of the present species.

7. Gossypium, sp. foliis omnibus integris late cordato-ovatis subtus uni-glandulosis.—Bay of
Magdalena.

These specimens do not agree with any of the published forms of Cotton with
which I am acquainted, but the seeds are wanting; and, according to those who
have classified these varieties or species in the least unsatisfactory manner, it is
only from the seed that any positive character can be drawn, and I therefore
abstain from giving a new name to the present one.

8. AsuTILon californicum, sp. n., undique stellato-tomentosum, foliis late cordato-ovatis
crenatis subangulatisque concoloribus, pedunculis petiolo longioribus, capsule calycem sequantis vel
vix superantis stellato-tomentosz loculis 10 trispermis lanceolato-rostratis.—Bay of Magdalena.

This species is very like the A. commune, but the peduncles are longer, the
calyxes larger, the capsules smaller, and covered with a short cottony down
instead of long hairs.

9. Sips malveflora, DC.—Torr. et Gr. Fl. N. Amer. 1. p. 234.—San Francisco and the Rio
Sacramento.

10. Metocuta tomentosa, Linn.—DC. Prod. 1. p. 290.—Bay of Magdalena.

A common West Indian and Central American plant, of which this is
probably the northern limit.

MALPIGHIACE®.

11. Janusta californica, sp. n., (Plate IV.) foliis ovatis lanceolatisve acutis basi subcordatis

utrinque ramulisque sericeo-pilosis, petiolis eglandulosis, pedunculis axillaribus dichotome vel
umbellatim 2-8-floris—Bay of Magdalena.

Ramuli volubiles, tenuiores quam in J. guaranitica, pilis albidioribus. Folia pleraque semipollicaria, vix
unquam pollicem aequantia, nunc anguste ovato-lanceolata acutissima, nunc ovata acumine brevi acuto, margine
glandulis minutis dentiformibus raris plus minusve notata. Petioli 1-2 lin, longi. Loco stipularum glandulze
adsunt in caule minute. Pedunculi subsesquipollicares, apice bifoliolati, pedicellos ferunt 2 ad 6 pedunculo
ipso longiores, semel iterumque bibracteolatos, simplices unifloros vel bifurcatos bifloros, rarius iterum umbelli-
feros. Flores quam in J. guaranitica minores. Calycis laciniee lanceolate, obtusiuscule, basi pilose, apice
ss quorum 4 basi glandulas 2 parvas obovoideas ferunt. Petala calyce duplo longiora, lamina lata,
carinata, margine vix dentata. Stamina vidi 1-3 antherifera, et interdum 1-2 parva, sterilia. Ovaria 3, basi

CALIFORNIA, 9

coalita, hirsutissima. Styli vulgo 2-3, valde ineequales, uno semper validiore, stigmate capitato. Samare
seepius 2-3, dorso superne compressee in alam margine superiore crassiorem, inferne crista brevissima callosa
marginatee.

Plate IV. fig. 1, flower ; fig. 2, stamens and style; fig. 3, fruit ; fig. 4, single carpel, all magnified.

This species agrees perfectly both in habit and in character with Ad. de
Jussieu’s genus Janusia, of which, however, all the species hitherto known are from
South Brazil and adjoining countries.

12, GatpurMta angustifolia, sp. n., (Plate V.) suffruticosa, humilis, ramis erectis sericeo-pilosis,
foliis petiolatis oblongis linearibusve prope basin 1-2-glandulosis glabris (subtus glaucis ?), racemis
paucifloris, petalis calyce subdimidio longioribus.—Cape San Lucas.

Caules numerosi, ramosi, vix semipedales, pilis longis mollibus albidis vel in ramulis novellis ferrugineis
obtecti. Stipule parve, ferrugineo-pilose. Folia semipollicaria, utrinque angustata, obtusa vel acutiuscula,
margine siccitate revoluta, prope basin lamine uno latere vel rarius utrinque glandulifera, petiolo 1-2 lin. longo.
Racemi terminales, laxi, 3-6-flori. Bractez sub pedicellis parvee, ferruginese, acutissimee. Pedicelli vix 2 lin.
longi, sericei. Sepala 14 lin. longa, lanceolata, glabriuscula, eglandulosa. Petala obovato-oblonga, carinata.
Filamenta glabra, basi leviter dilatata at inter se libera, omnia antherifera, antheris inappendiculatis. Styli tres,
filiformes, acuti, stigmatibus vix incrassatis punctiformibus. Capsule calyce parum breviores, glabre.

Plate V, fig. 1, flower; fig. 2, stamens and style ; fig. 3, fruit, all magnified,

SAPINDACEE.

13. CarptosPERMUM fortuosum, sp. n., (Plate VI.) fruticosum, tortuoso-ramosissimum, ramulis
flexuosis vix volubilibus incanis, foliis bi-tri-ternatis subbipinnatisve, foliolis trifidis, segmentis
integerrimis incisisve parvis glabris vel pilis paucis hirtellis, paniculis paucifloris, glandulis ovatis,
fructibus parvis inflatis turbinato-trigonis glabris vel minute tomentellis——Bay of Magdalena.

Frutex ramulis rigide flexuosis tennibus a ceteris speciebus facile distinctus. Rami lignosi, albidi,
Tomentum in ramulis pedunculisque brevissimum, canescens. Folia longiuscule petiolata, cum petiolo 2-3-
pollicaria ; pinnee 3-5, semel vel bis ternatim secte ; rhachides sepius anguste alate ; segmenta ultima ovata
vel oblonga, obtusissima vel acutiuscula et mucronulata, integra vel 3-5-fida, basi cuneata et seepe in petiolum
decurrentia, 2-8 lin, longa, 1-4 lin. lata, crassiuscula, utrinque viridia et glabra nonnisi ad venas pilis paucis
brevibus rigidulis hirtella, Pedunculi 1-13-pollicares, rigidi, sub panicula bicirrhosi, Panicula more (. halica-
cabi subeymosa, floribus raro plus quam sex. Flores magnitudine eorum C, halicacabi, abortu polygama, pedi-
cellis brevissimis. Petalorum squame vix petalis ipsis breviores. Glandule breves, ovato-conice. Capsula
magnitudine C. microcarpi, apice depresso-truncata, angulis acutissimis, basi in stipitem superne trian-
gulato-subalatam attenuata.

Plate VL. fig. 1, male flower; fig. 2, fertile flower, with the petals removed; fig. 3, ovary cut
open, all magnified.

JESCULACES.

14, Aiscutus californica, Nutt. in Torr. et Gr. Fl. N. Amer. 1. p. 251.—Rio Sacramento.
D i

10 BOTANY OF THE VOYAGE OF THE SULPHUR.

VITICER.

15. Vrrex californica, sp. n., foliis subrotundis acutiusculis grosse dentatis integris, 3-5-lobisve
basi profunde cordatis, supra glabris subtus ramulisque floccoso-tomentosis.—V. Caribea, Hook et
Arn. in Bot. Beech. Suppl. p. 327 non DC.—Rio Sacramento.

Folia latiora quam in V. caridva, nunquam acuminata, sinu baseos profundiore angustiore. Baccee parvee,
nigree.

ZYGOPHYLLACEE.

16. Faconta californica, sp. n. ramis diffusis repetito-dichotomis, foliis trifoliolatis, foliolis
ovato vel oblongo-lanceolatis articulatis margine nudis petiolo brevioribus.—Bay of Magdalena.

a. Hindsiana, glabra, stipulis brevissimis.

8. Barclayana, puberula, stipulis setaceo-spinescentibus petiolo paullo brevioribus.

The long slender excessively-branched stem, the elongated petioles and
small flowers, distinguish this as well from F. cretica as from F. chilensis, with
both of which it has considerable affinity, but is more distinct from either than

they are from one another. Perhaps, however, they may all be mere forms of one
species.

RHAMNACEE.

17. Ruamnus oleefolius, Hook. Fl. Bor. Am. 1. p. 123. t. 44.—Rio Sacramento.

18. Czanoruus thyrsiflorus, Eschsch.— Torr. et Gr. Fl, N. Amer. 1. p. 266.—Rio Sacra-
mento,

19, Czanoruus verrucosus, Nutt. in Torr. et Gr. Fl. N. Amer. 1. p. 267.—San Diego.

BursERACER.

20. Exapurtum rhoifolium, sp. n., (Plate VII.) ramis tortuosis, foliis trifoliolatis, foliolis ovatis
obtusis crenatis utrinque pubescentibus, terminali basi in petiolum alatum contracto, lateralibus basi
rotundatis, pedunculis fructiferis brevibus, 1-2-carpicis—Bay of Magdalena.

Frutex ramis crassis teretibus rigide tortuosis glabris, ramulis brevibus, junioribus puberulis. Folia fere
Rhois aromatici. Petiolus communis 1-1}-pollicaris, Foliolum terminale subrhombeum, 9-18 lin. longum,
lateralia ovalia, minora, sessilia, Flores non vidi. Pedunculi fructiferi yix semipollicares, medio articulati,
monocarpici vel ad articulationem in pedicellos duo monocarpicos divisi. Drupe ovoideo-globose, axi 4 lin.
longo, cortice crasso carnoso bivalvi, putamine subangulato levi basi albido apice nigro biloculari, loculo
altero vel utroque perfecto monospermo, altero sepe effeeto. Semen facie plana affixum, testa membranacea,
cotyledonibus crassis trilobis plicatis, radicula brevi.

Plate VIL fig. 1, fruit cut across; fig. 2, seed; fig. 3, embryo, all magnified.

&

CALIFORNIA. 11

21. Exapurtum Hindsianum, sp. n., (Plate VIII.) ramis tortuosis, foliis simplicibus ovatis
obtusis crenatis basi late subcordatis utrinque pubescentibus, pedunculis brevibus 1-2-carpiis.—Bay
of Magdalena.

Habitus, pubescentia et fructus HZ. rhoifolii, sed folia constanter simplicia. Petiolus fere pollicaris, lamina
1-1}-pollicaris, inciso-crenata vel obscure lobata. Flores non vidi, sed sub fructu vestigia observavi staminum
octo.

Plate VIII. fig. 1, fruit cut across, with two perfect cells; fig. 2, the same, where one cell is
abortive, both magnified.

ANACARDIACER.

22. Scuinus? discolor, sp. n., (Plate [X.) foliolis 1-7 parvis ovatis obtusissimis supra puberulis
subtus incano-tomentosis, terminali inciso crenato subtrilobo, inferioribus multo minoribus integris
crenatisve, paniculis abbreviatis, pedicellis fasciculatis.—Bay of Magdalena.

Rami tortuosi, rigidi, cortice cinereo ; ramuli breves tomentoso-canescentes. Folia alterna vel in ramulis
brevissimis fasciculata, vix cum petiolo sesquipollicaria. Foliolum terminale sepius semipollicare, lateralibus
bijugis 5-4 lin. longis; nonnunquam preesertim in foliis superioribus terminale usque ad 8-10 lin. longum,
lateralibus multo minoribus vel omnino nullis. Panicula terminalis foliata, ramulis axillaribus 6-12 lin. longis;
fasciculi in quoque ramulo 2-4, sessiles, 8-15-flori. Pedicelli puberuli, 2 lin. longi. Sepala 5, puberula, colorata,
siccitate rubra. Petala 5, calyce longiora (vix lineam excedentia) ovata, in alabastro carinato-concava, estiva-
tione valde imbricata. Stamina 10, petalis breviora, in disco 10-crenato inserta. Ovarii rudimentum stylis 3
brevibus terminatum. Flores hermaphroditos vel feemineos non vidi.

Plate IX. fig 1, flower; fig. 2, the same, with the petals removed, both magnified.

This plant has a very different aspect from most others of this genus; but
in the male flowers, the only ones which I have seen, I can find no character to
distinguish it.

23. Ruus laurina, Nutt. in Torr. et Gr. Fl. N. Amer. 1. p. 219.—San Diego.

24, SrypHonta integrifolia, Nutt. in Torr. et Gr. Fl, N. Amer. 1. p. 220.—Sea-side at San
Quentin and other places. —

LEGUMINOS&.

25. Lupmus sericeus, Pursh.—Torr. et Gr. Fl. N. Amer. 1. p- 379.—Rio Sacramento.
26. Psorauna orbicularis, Lindl.—Torr. et Gr. Fl. N. Amer. 1. p- 304.—Santa Clara.
27. PsoraLEA macrostachya, DC.—Torr. et Gr. Fl. N. Amer. 1. p. 304,—Rio Sacramento,

28. DALEa ramosissima, sp. n., (Plate X.) fruticulosa, ramosissima, diffusa, glabra, foliolis 11-13
parvis cuneatis glaucis subtus ramulisque insigniter nigro-punctatis, spicis terminalibus peduncu-
latis ovatis villosis, bracteis ovatis acuminatis calyce subbrevioribus, calycis villosi dentibus subulatis
tubo zquilongis.—Bay of Magdalena.

12 BOTANY OF THE VOYAGE OF THE SULPHUR.

Rami cinerascentes; ramuli floriferi semipedales ad pedales, tenues, rigidi, rubicundi, punctis elevatis
conspersi. Folia inferiora sesquipollicaria, foliolis distantibus fere 3 lin. longis, ramorum floralium vix
pollicaria, foliolis 1-14 lin. longis obtusis basi angustatis, petiolulis brevissimis. Stipule setacez, stipellee
inconspicue. Pedunculus floriger supra folium ultimum pollicare. Spica nunc 8-9 lin. longa, densa, nunc
duplo longior, basi interrupta. Bracteze membranaces, glandulose, fuscee, longiuscule acuminate. Calyx
sessilis, tubo 1 lin. longo, extus undique piloso, intus glabro, 10-nervio, glanduloso-punctato, laciniis plumosis.
Corolla ex sicco violacea; carina calyce plus duplo longior, petalis dorso leviter coheerentibus, lateraliter prope
basin concavo-appendiculatis ; ale breviores plicate; vexillum alas superans, orbiculatum. Stamina mono-
delpha. -Antheree consimiles, apice glandulifere. Ovarium biovulatum. Legumen calyce brevius, compressum,
ovato-triangulare, pilosum, monospermum.

Plate X. fig. 1, bractea; fig. 2, flower; fig. 3, vexillum; fig. 4, one of the ale; fig. 5, carina
laid open; fig. 6, stamens and style ; fig. 7, anther ; fig. 8, ovary cut open; fig. 9, pod, all magnified,

29. Dauna divaricata, sp. n., herbacea, diffusa, tenuis, glabra, foliolis 15-21 parvis obovato-
oblongis obcordatisve, glandulis paucis marginalibus, racemis oppositifoliis dissite paucifloris, caly-

cibus glabris 10-costatis pauciglandulosis, dentibus 4 brevibus obtusis, imfimo longiore acuto.—Bay
of Magdalena.

Habitu et foliis D. hypoglottidee affinis, inflorescentia et floribus distincta. Caulis annuus videtur, a basi
ramosus, ramis tenuibus rigidis divaricato-ramosis nigro-punctatis. Folia 1-1}-pollicaria, fere a basi foliolosa,
foliolis brevissime petiolulatis 1-2 lin. longis obtusis retusis vel emarginatis basi rotundatis crassiusculis enerviis
vel obscure uninerviis, margine integerrimis vel raro glandulis subimmersis obsolete crenulatis. Stipule
minute setaceo-acuminatee. Stipellee nulle. Racemi vix pollicares, pedunculo rigidulo divaricato 9-12 lin.
longo. Flores in spica 12-18, subsessiles, parvi. Bracteze lanceolate, acuminate, calyce breviores. Calyx 1 lin.
longus, rubescens, costis elevatis transverse scabriusculis, inter costas pauci-glandulosus ; dentes 4 superiores

eequales, late rotundati, glabri vel rarius ciliati, infimus angustior, duplo longior. Corolle vexillum calyce
dimidio, alz duplo, carina triplo longiora. Legumen glabrum,

30. DALEA canescens, sp. n., herbacea, diffusa, pusilla, tota canescenti-hirtella, foliolis 11-15
cuneato-vel obovato-oblongis obtusis vel retusis, spicis densis ovatis pedunculatis oppositifoliis,
calycis hirsuti dentibus lanceolatis acutis, infimo paullo longiore.—Bay of Magdalena.

Habitus D. divaricate sed gracilior, ramulis filiformibus. Caules, folia, pedunculi, calyces et ovaria pilis
albidis brevibus rigidis copiose tecta. Folia 6-9 lin., foliola 1 lin. longa, basi angustata, sub villis raro glandu-
lifera. Stipule lineari-subulate, vix lineam longee. Stipellee adsunt seepe minutissime., Pedunculi graciles,
circa 9 lin. longi. Spica imbricata, semipollicaris. Bractexe ovate, acutee, acuminate. Calyx lineam longus,
costis obscuris glandulisque parvis sub pube reconditis. Dentes tubo dimidio breviores. Vexillum calyce vix
longius, ale ei plus dimidio, carina plus triplo longiores. Ovarium villosum.

31. Datem? sp. n., suffruticosa, divaricato-ramosa. Ramuli dense niveo-tomentosi et punctis
elevatis glandulosis conspersi. - Stipule parvee, subulate, acute. Foliola 5-11 , orbiculata, 14-
3 lin. longa et lata, terminali sepius ceteris majore, utrinque cum petiolo niveo-tomentosa, supra
venosa impunctata, subtus nigro-punctata, marginibus recurvis. Pedunculi oppositifolii, 2-4-polli}
cares, niveo-tomentosi et punctati—Bay of Magdalena. .

Of this plant I have seen but a Single specimen in Mr. Barclay’s collection,
from which all the flowers are fallen off. -Lhave very little doubt that it belongs
to Dalea, in which genus it would form a very distinct species, unlike any one I

CALIFORNIA. 13

am acquainted with, excepting an unpublished Chilian one. As, however,
without the flower, the genus cannot be ascertained, I have refrained from giving
it a specific name.

32. Puaca candidissima, sp. n., decumbens, tota pube adpressa subsericea candidissima, stipulis
minutis latis acutis, foliolis 18-17 obovatis obtusissimis basi cuneatis, pedunculis folia superantibus,
spicis oblongis laxiusculis, bracteis brevissimis, calycis ovati dentibus lato-subulatis brevibus rectis
subzequalibus, legumine sessili ovato-inflato membranaceo incano.—Bay of Magdalena.

Rami flexuosi, obtuse subangulati, uti folioram pagina utraque pedunculi et calyces argenteo-candidissimi,
Stipulz vix semilineam longee. Folia bipollicaria, foliolis 3-4 lin. longis. Spica 1-14-pollicaris in pedunculo
subtripollicari, Flores sessiles, primum imbricati, inferioribus tandem subdissitis. Bractew persistentes, vix
semilineam longee, acut#. Calyx 2 lin. longus. Corolla glabra, (violacea?); vexillum calyce triplo longius ;
ale paullo breviores, prope basin intus concavo-gibbe, carine equilongee leevissime adbeerentes, non plicatee.
Stamen vexillare a basi liberum, ceetera alte connata. Antheree inter se consimiles, oblonge, versatiles, eglandu-
lose. Legumen valde inflatum, 9 lin. longum, sutura seminali breviter intromissa. Semina plurima, orbiculari-
reniformia.

33. Puaca vestita, sp. n., decumbens? pube brevi densa candidissima, stipulis brevibus
membranaceo-tomentosis inferioribus in unicam oppositifoliam connatis, foliolis 25-39 ovatis orbi-
culatisve, pedunculis folio longioribus, spica oblonga laxa, bracteis parvis, calycis ovati dentibus late
subulatis brevibus, ovario sessili villoso.—Bay of Magdalena, and San Quentin.

Habitu preecedenti affinis, et pariter candidissima, sed pubes minus appressa. Stipule inferiores 3-4 lin.
Jongee, acute, ad medium concrete, superiores multo minores. Folia demum 4-pollicaria. Foliola inferiora
3-4 lin. longa, acutiuscula, superiora gradatim minora et latiora ; ultima fere orbicularia, obtusa, 1-14 lin. longa,
omnia mollissima, basi rotundata, Flores fere P, candidissime sed in spica minus densi, et corolla ex sicco flava
videtur. Legumen non vidi.

34. Puasroius (Drepanospron) jfiliformis, sp. n., volubilis, glabra, ramis gracillimis, foliolis
hastato-trilobis lobo medio productiore oblongo, vel rarius ovato-deltoideis subrhombeisve, pedun-
culis folio longioribus supra medium interrupte paucifloris, bracteis bracteolisque minimis lanceo-
latis, pedicellis calyce minimo vix duplo longioribus, calycis labio superiore truncato vix emarginato,
dentibus lateralibus latis brevibus, infimo acuto tubo dimidio breviore, legumine pendulo falcato
glabro.— Bay of Magdalena.

Affinis P. leptostachyo. Annuns videtur, ramulis filiformibus. Stipule minute, oblonge, striate. Petioli
1-1}-pollicares, tenues, Foliola seepius profunde triloba, lobis oblongis, intermedia 6-12 lin. longa, lateralibus
dimidio brevioribus, interdum late subrhombeo-ovata, integra vel sinnato-triloba, 6-9 lin. longa, ramulorum
sepe multo minora. Stipelle minute, oblonga, acutiuscule, striate. Pedunculi filiformes, 2-24-pollicares.
Florum nodi pauci, distantes, 2-3 flori. Pedicelli floriferi lineam longi, fructiferi paullo longiores, recurvi.
Bractewe minutissime, lanceolate. Calyx linea brevior, bracteolis dimidio brevioribus appressis. Corolla fere
P. paniculati, sed multo minor. Vexillum late orbiculatum, basi intus biappendiculatum, medio leviter
callosum. Ale vexillo paullo longiores, oblique oblonge, Carina apice anfractibus completis spiraliter torta,
acuta. Stamen vexillare basi geniculatum, inappendiculatum. Ovarium puberulum. Stylus apice valde
incrassatus, stigmate laterale. Legumen forma fere P. Jwnati sed quadruplo minus, vix enim semipollicem
longum, lunatum, utrinque acutum, glaberrimum, Jeve, intus nudum, 6-8-spermum. Semina reniformia,
subquadrata, leevia.

E

14 BOTANY OF THE VOYAGE OF THE SULPHUR.

35. Desmanruus virgatus, Willd.—DC. Prod. ii. p. 444.—Bay of Magdalena.

This is probably the Northern limit on the Pacific side of this common
South American plant, which extends also into the Southern States of the North
American Union, and is found not uncommonly in tropical Asia, but perhaps not
originally indigenous to the Old World.

36. Catuianpra californica, sp. n., (Plate XI.) ramulis petiolisque appresse pilosis demum
glabratis, stipulis lanceolato-subulatis rigidis, foliis eglandulosis, pinnis 2-4-jugis, foliolis 8-15-jugis
oblongis obtusiusculis utrinque appresse pilosis demum coriaceis nitidis, pedunculis tenuibus petiolo
paullo longioribus, calycibus corolla pubescente multoties brevioribus.— Bay of Magdalena.

Species C. eriophylle et C. Cumingii affinis, sed ab utraque distincta. Frutex videtur, rigide ramosissimus,
ramulis teretibus. Pubes appressa, brevis, in partibus junioribus canescens, demum rara. Stipulze persistentes,
lineam longee, interdum subpungentes. Petioli communes tenues, 6-12 lin. longi, partiales paullo longiores.
Foliola in ramulis junioribus 2 lin. longa, in ramis fere 3 lin. longa, demum rigida, Flores fere C. Cumingii.

Plate XI. fig. 1. flower; fig. 2. stamens; fig. 3. anther; fig. 4. pollen mass; fig. 5. style, all
magnified.

The beautiful genus Calliandra, consisting of a few of Willdenow’s Acucie
and Ing@, with a considerable number of species lately discovered, is almost
exclusively South American, a very few species only being found in the West
Indies or Mexico, and none in the United States. The Californian one now
described is thus the most northern species yet discovered.

Rosaceg&. :
37. ApENostoma fasciculata, Hook et Arn. Bot. Beech. p. 139. t. 30.—San Diego.
38. Fracarta chilensis, Eschsch.—Torr. et Gr. Fl. N. Amer. 1. p. 448.—San Francisco.
39. Rubus ursinus, Cham. et Schlecht.—Torr. et Gr. Fl. N. Amer. 1. p. 456.—San Francisco.
40. Rosa californica, Cham. et Schlecht. Linnza 2. p. 35.—San Francisco.
41, Puorita arbutifolia, Lindl.—Torr. et Gr. Fl. N. Amer. 1. p. 473.—San Francisco.

Ec | CoMBRETACEE.
42. LAGUNCULARIA racemosa, Gertn.—DC. Prod. 3. p. 17.—Bay of Magdalena. A tropical
maritime shrub, the limits of which appear to be nearly the same as those of the Mangrove.

RuIZOPHORER.

43. Ruizopnora Mangle, Linn.—Torr. et Gr. Fl. N. Amer. 1. p. 484.—Cape San Lucas, and
thence to lat. 24° 38’, which is its northern limit on this coast.

ONAGRACER.

44. CExornera (Godetia) Lindleyana, Dougl.—Torr. et Gr. Fl. N. Amer. 1. p. 502.

— Bodegas,
Upper California. Ree

CALIFORNIA. 15

45, CEnoruera (Godetia) purpurea, Curt.—Torr. et Gr. Fl. N. Amer. 1. p. 504.—Bodegas.

46. Ginoruera (Spherostigma) cheiranthifolia, Hornem.—Torr. et Gr. Fl. N. Amer. 1. p. 509.
— Bodegas.

47. Gaura? fruticulosa, sp. n., fruticosa, humilis, ramosissima, foliis oblongo-linearibus inte-
gerrimis basi longe angustatis crassis glabris, spicis foliatis abbreviatis, calycis tubo longissimo tenui,
laciniis anguste lanceolatis acutis reflexis, stigmate capitato, (ovario fructuque cauli immersis).—Bay
of Magdalena.

Frutex humilis, tortuoso-ramosus, cortice ramorum albido levi, ramulorum cicatricibus folioram delapsorum
verrucoso. Folia pollicaria, 1-2 lin. lata, subcarnosa, enervia, basi in petiolum angustata, floralia omnia caulinis
conformia, 6-8 lin. longa. Ramuli floriferi 3-4-pollicares, dense foliati, superne (difformes?) incrassati. Flores
in axillis superioribus solitarii. Ovarium ramo incrassato immersum, parvum, biloculare, ovulis in quoque
loculo solitariis pendulis. Tubus calycis filiformis, 9-10 lin. longus ; lacinize limbi 4 lin. longee, membranaceo-
virides. Petala (ex sicco rosea) obovata, 2 majora semipollicaria basi breviter angustata, 2 paullo minora.
Stamina 8, parum declinata, 4 petalis alterna paullo longiora. Anthere oblong, prope basin affixes, circinnato-
revolute. Stylus staminibus et petalis subeequilongus, stigmate late capitato obsolete 4-lobo. In ramis
vetustis fructus nonnullos vidi difformes, in ramo semiarticulato immersos, induratos, biloculares, seminibus in
loculis solitariis linearibus incurvis imperfectis. Specimina alia glaberrima, alia superne molliter pubescentia.

In all the specimens there is the same semiarticulation and thickening of the
flowering part of the branches so as to enclose the ovaria, which Chamisso and
SchIchtendal observed in an allied Mexican species, and which appeared to them
to justify the constituting a distinct genus under the name of Gongylocarpus.
It is, however, much more probably the effect of some disease or parasite. I
could not indeed, any more than the above quoted authors, discover any traces of
fungus or insect, but the distortion of the ovaries, as well as of the more enlarged
capsules and seeds which may be found still remaining in their hardened state in
the old woody branches, show that this is not -the healthy natural form of the
plant. The flowers appear in all other respects perfect, and are evidently showy.

48. Zauscunerta californica, Presl.—Torr. et Gr. Fl. N. Amer. 1. p. 486.—San Pedro and
Estrecho de Carquines.

One or two Cucurbitacee, from Magdalena Bay, are not in a state to enable
their being determined.

Loasacez.
49. Menrze.ia adherens, sp. n., caule erecto a basi ramoso albo, foliis petiolatis ovatis grosse
dentatis vel sinuato-lobatis basi cuneatis, floralibus oppositis, filamentis 30-40 omnibus filiformibus,
capsula oblongo-turbinata, seminibus 10-12.— Magdalena Bay.

Pili crebri, biformes, iis ceeterum specierum similes. Caules 1-2-pedales, basi opposite superne dichotome
ramosi, ut in M. albicauli cortice tenui albido demum detergibili tecti. Folia subbipollicaria, basi in petiolum
3-6 lin, longum angustata, seepius irregulariter 3-5-loba, interdum simpliciter et ineequaliter dentata, floralia
conformia sed gradatim minora. Flores in dichotomiis breviter pedicellati, minores quam in M. hispida.
Calycis tubus 4 lin. longus, turbinatus, valde hispidus. Lacinie lanceolato-lineares, reflexe, tubo parum

16 BOTANY OF THE VOYAGE OF THE SULPHUR.

breviores, interdum subdentate. Petala oblonga, basi angustata, semipollicaria. Stamina parum inequalia,
petalis breviora. Capsula (nondum matura) 6 lin. longa, calycis limbo coronata, 5-valvis, placentis duabus.

This species, from the whiteness of its stem, resembles the AZ. albicaulis
Dougl. and M. albescens Gill., but is very different in foliage and flowers from
either. It is remarkable from the adhesiveness of its barbed hairs, which most
of the Loasacee have, it is true, but few of them to such a degree as the present
species.

FougulERiace2.
50. Bronnta spinosa, Humb. et Kunth, Nov. Gen., et Sp. vi. p. 84. t. 528.—Cape San Lucas.

This remarkable plant, forming the second genus in an anomalous natural
order, consisting as yet but of two genera and three species, was only seen by
Humboldt and Bonpland in fruit. The specimens in the present collection have
a few flowers, resembling those of Fouquiera in general aspect, though of a smaller
size, and offering the following characters :

Sepala 5, rigide scariosa, colorata, glabra, ovata, obtusa cum mucrone, valde imbricata interioribus
latioribus, 2 lin. longa. Corolla 8 lin. longa, tubo cylindrico superne paullo ampliore rectiusculo, limbi laciniis
late ovatis acutis convoluto-imbricatis. Stamina 10, disco subperigyno cum corolla inserta, corolla longiora ;
filamenta glabra, antheree oblongo-lineares, dorso affixee, biloculares, loculis parallelis, basi liberis, rima longi-
tudinali dehiscentibus, connectivo apice apiculato. Ovarium ovato-conicum, triloculare, columna placentifera
crassiuscula centrali facile a dissepimentis secedente, Ovula in quoque loculo pauca, e basi anguli centralis
adscendentia. Stylus filiformis, exsertus, apice trifidus, laciniis truncatis apice stigmatosis.

PARONYCHIACER.

51. Drymartia holosteoides, sp. n., humilis, czespitosa, subglauca, florum et foliorum fasciculis
paucis remotis, foliis longiuscule petiolatis ovatis basi cuneatis integerrimis crassiusculis, pedicellis
unifloris petiolum vix zquantibus, capsulis calycem sequantibus.—Cape San Lucas.

Herba humilis a ceteris Drymariis habitu distincta. Claules e collo plures, 4-6-pollicares, simplices,
fasciculos foliorum et florum 1-3 inter se distantes ferentes, inter fasciculos nudi. Stipulee scariosee, parvee,
fugaces. Petioli 2-3 lin, longi ; lamina foliorum vix longior, obscure sub-5-nervia. Pedicelli numerosi, petiolum
vix equantes. Calyx profunde 5-fidus, laciniis 1} lin. longis ovatis margine membranaceis, estivatione imbri-
cata. Petala 5, perigyna, calycem vix squantia, lineari-cuneata, semibifida, laciniis incisis. Stamina 5,
perigyna, laciniis calycinis opposita, Ovarium uniloculare, ovulis paucis, placenta centrali brevi affixis. Stylus
simplex, apice brevissime trifidus, laciniis intus stigmatosis. Capsula oblonga, triquetra, ad angulos in valvulas

3 cartilagineo-subhyalinas dehiscens. Semina pauca vel abortu solitaria, orbiculato-cochleata. Testa coriacea,
Embryo circa albumen farinaceum linearis, hemicyclicus.

52. Drymartia crassifolia, sp. n., humilis, ceespitosa, ramosissima, glauca, florum et foliorum
fasciculis numerosis, foliis petiolatis ovatis basi cuneatis integerrimis crassis, pedicellis unifloris folia
gequantibus, capsulis calyce subdimidio longioribus.—Cape San Lucas.

KRAMERIA PARVIFOLIA.

Drawn from Nature and on Stone by Mif’s Drake :

: 3 = Drawn from Name and on Stome by Mils Drake. ;

Plate 3.

Drawn from Nature and on Stone by Mais Drake.

HIBISCUS DENUDATUS.

Plate 4.

Drawn from Nature and on Stone by Mifs Drake oo Pnnted by C.Hullmandel . as

: JANUSIA CALIFORNICA = oe

Plate 5.

Drawn from Nature and on Stone by Mails Drake

| GALPHIMIA ANGUSTIFOLIA.

TORTUOSUM .

Printed hy C Halkmandel.

one bybbis Drake

ba S

fcom Diature and <

f

1 aw.

oa

LUM.

ELAPHRIUM RHOIFOLI

Drawn from Nanme and on Stone hy Mis Drake. Banted by C.Hullmandel |

ELAPHRIUM HINDSIAN UM.

Drawn from Namre and oa Stone by Mifs Drake

SCHINUS BISCOLOR.

Drawn from Nature and on. Stane by Mitt Doako

a
eS:
ep)
bee
oo a
js Re
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=
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ae

CALIFORNIA. 17

This species is near D. holosteoides, but forms dense tufts covered with
leaves and flowers; the leaves are thicker and more glaucous, and the flowers
larger, and on longer stalks. Both species differ considerably in habit from

the more common D. cordifolia, but they have all the essential characters of
the genus.

53. SPERGULARIA rupestris, Camb. in St. Hil. Fl. Bras. Mer. ii. p. 176. t. 110.—Cape San

Lucas. The same species extends over a great part of tropical America, as far as South Brazil, from
whence it was first described.

PHYTOLACCACER.

54, SrecnosrerMa halimifolia, gen. nov., (Plate XII.)—Cape San Lucas.

Cuar. Gen. Sepala 5, ovata, margine membranacea, estivatione imbricata. Petala 5,
perigyna, calyce minora, orbiculata, integra, brevissime unguiculata. Stamina 10, in annulum
perigynum basi connata, filamentis e basi latiore filiformibus, antheris bilocularibus, Ovarium
sessile, subglobosum, uniloculare, columna centrali percursum. Ovula 5, anatropa, e basi columne
centralis erecta. Styli 5, breves, recurvi, intus fere a basi stigmatosi. Capsula pentagona,
unilocularis, ad angulos in valvulas 5 dehiscens. Semina 5 vel abortu pauciora, singula arilla alba
e funiculo orta intus aperta involuta, erecta, testa crassiuscula fusca, embryone annulari ?

Species unica, S. halimifolia. Frutex ramosissimus, glaberrimus, glaucus, ramis adscendentibus, cortice
pallido, Stipulee nulle. Folia alterna, petiolata, 1-14-pollicaria, ovata vel oblonga, obtusissima, integerrima,
basi angustata vel rotundata, carnosula, uninervia. Racemi terminales, simplices, floribundi, subtripollicares.
Pedicelli 3 lin. longi, singuli ex axilla bracteee minute scariosee orti et ima basi bibracteolati, bracteolis bracteis
consimilibus. Flores iis Limet capensis subsimiles, sed paullo majores.

The nearest affinity of this very distinct genus is with Limeum. The calyx
and petals are the same, but the number of stamens appears to be constantly
complete, the carpels are five instead of two, and are completely united into an
unilocular ovary and fruit without any dissepiments, and the seeds are enclosed in
a very remarkable thick white arillus. I regret much that there are none of
them quite ripe enough in the specimens gathered, to ascertain the form of the
embryo.

Plate XII. fig. 1, flower; fig. 2, petal; fig. 3, stamens; fig. 4, ovary; fig. 5, ovary cut open;
fig. 6, capsule; fig. 7, capsule open; fig. 8, a seed in the arillus; fig. 9, a seed taken out of the
arillus. ; ry

4
GROSSULACER,

55. Rises (Grossularia) Menziesti, Pursh.—Torr. et Gr. Fl, N. Amer. 1. p. 545.—San
Francisco.

56. Rrpus (Ribesia) malvaceum, Sm.—Torr. et Gr, Fl. N. Amer. 1. p. 552.—San Francisco.
57. Rises (Ribesia) tortuosum, sp. n., ramis brevibus tortuoso-ramosissimis per anthesin
aphyllis glabris, foliis basi cordatis 5-lobis junioribus puberulis, bracteis pedicellos equantibus,
calycis limbo tubuloso apice 5-fido, laciniis ovatis reflexo-patentibus.—San Quentin.
F

18 BOTANY OF THE VOYAGE OF THE SULPHUR.

Fruticulus ante foliorum explicationem florens. Ramuli crassi, cortice cinereo glabro, vegetiores 2-3-pol-
licares, plerique multo breviores. Internodia (ex cicatricibus folioram delapsorum) pauca. Ad apices ramu-
lorum, e gemma squamis fuscis persistentibus suffulta, racemi oriuntur 6-12 lin. longi, 8-12-flori, minute
puberuli, et hine inde folia pauca parva explicari incipiant. Pedicelli divaricati, lineam longi. Calycis tubus
fere 2 lin. longus, cylindricus, crassiusculus, glaber ; laciniee semilineam longee. Petala ovata, calycis laciniis
dimidio breviora, ad faucem inserta. Stamina 5, petalis equilonga. Ovarium in fundo calycis brevessimum,
placentis 2 parietalibus, ovulis numerosis. Stylus apice brevissime bilobus, lobis intus stigmatosis, placentis
contrariis. Fructus jam paullo grandefactus siccus videtur.

A scrubby leafless shrub, with small but very pretty and highly fragrant
flowers.

.

UMBELLIFERE.

58. Erynerum petiolatum, Hook.—Torr. et Gr. Fl, N. Amer. 1. p. 604.—Rio Sacramento.

CORNACER.

59. Cornus glabrata, sp. n., ramulis erectis cymisque glabris vel vix minute puberulis, foliis

ovatis acuminatis basi angustatis supra sparse minuteque puberulis subtus glaberrimis, cymis parvis
depressis, drupis globosis.—San Francisco.

Resembles the C. stricta in habit and in the form of the leaves, but has a
somewhat glaucous foliage and inflorescence; the cymes are much more compact
and the flowers fewer ; they appear also to be smaller, from the vestiges remain-
ing on the specimens which are in ripe fruit.

LORANTHACES.

60. Viscum flavescens, Pursh.—Torr. et Gr. Fl. N. Amer. 1. p. 654.—San Francisco, on the
oak, ash, walnut, willow, and birch, but never on the plane, although that tree be very common.

61. ARcEUTHOBIUM orycedri, Bieb.—Torr. et Gr. Fl. N. Amer. 1. p- 654.—On pine trees in
Upper California. .

Besides the stations already known for this parasite on the conifere of
N. W. America, Southern Europe, and Southern Russia, it has been found by
Linden on pine trees on the Peak of Orizaba in Mexico; and on the closest
examination of the dried specimen, I am unable to detect any difference
between the European and Mexican specimens. Botanists do not, however,

agree about the colour of the fruits. In California they were found to be
nearly black, with a yellow top.

CALIFORNIA. 19

CAPRIFOLIACER.

62. LonicERA involucrata, Banks.—Torr. et Gr. Fl. N. Amer. ii. p. 9.—San Francisco.

RuBiacez.

63. Hedyotis (Ericotis) asperuloides, sp. n., (Plate XIII.) erecta, pusilla, divaricato-ramosa,
glabra, stipulis minutis ciliatis, foliis lineari-subulatis, pedicellis elongatis filiformibus, calycis tubo
ovato-turbinato, capsula apice brevissime libera.—Cape San Lucas.

Tlerba annua, tripollicaris vel vix semipedalis, ramis dichotomis filiformibus obscure tetragonis scabriusculis.
Folia vix semipollicaria, infima et superiora breviora, angustissima vel rarjus supra medium subdilatata. Stipule
vix conspicue, utrinque breviter ciliato-2-3-fide. Pedunculi in axillis vel dichotomiis superioribus vel ad
apices ramulorum 4-8 lin. longi, gracillimi. Flores quam in H. cwrulea graciliores. Calycis tubus 1 lin.
longus, dentes anguste lanceolati, tubo paullo breviores, per anthesin approximati, in fructu inter se distantes.
Ovarium fere ad apicem adnatum. Corolle tubus tenuis, 2 lin. longus, superne paullo ampliatus, limbi lacinize
patentes, obovato-oblongee. Antheree oblongo-lineares. Capsula ovata, apice obtusa, vix emarginata, valvulis
4 brevissimis cruciatim dehiscens, Semina in quoque loculo pauca.

In placing this little plant in Hedyotis, I have adopted the extended view of
that genus taken by St. Hilaire and others, as well as by Torrey and Gray.
There is much doubt, it is true, whether such natural groups as Kadua, Kohautia,
&c., might not be sufficiently well characterised to be maintained as separate
genera; but it is clear that the greater or lesser degree of adherence of the
ovary and capsule will not give any positive line of demarcation between Hous-
tonia and Anotis, and that the characters by which these have been distinguished
from Hedyotis and Oldenlandia are of little importance, and not always consonant
with habit. The species now described, as well as the following, would belong
to the section Houstonia of Torrey and Gray, except that the stipules, though
very minute, are not always perfectly entire, but it might be better to restrict that
section to those species which have the ovary free, at least from the middle up-
wards, and to adopt De Candolle’s section Ericotis, for those which like this one
as well as H. minima, Torr. and Gr., have the calyx adherent almost to the sum-
mit of the ovary, as their narrow heathlike leaves give them all at the same time
a peculiar habit.

Plate XIII. fig. 1, pair of leaves showing the stipules; fig. 2, flower; fig. 3, corolla cut open;
fig. 4, longitudinal section of the ovary; fig. 5, capsule ; fig. 6, seed, all magnified.

64, Hepyoris (Ericotis) mucronata, sp. n., fruticulosa, erecta, ramosa, glaberrima, stipulis
minutis, foliis linearibus subfasciculatis mucronato-acutis margine subrevolutis crassiusculis, floribus
subsessilibus in cymis terminalibus paucis.—Bay of Magdalena. —

Fruticulus semipedalis ad pedalis, subdichotome ramosus. Ramuli tetragoni. Folia subsemipollicaria,

20 BOTANY OF THE VOYAGE OF THE SULPHUR.

internodiis sepius breviora, carnosula, vix semilineam lata, pleraque abrupte in mucronem brevem acutata.
Stipule minima, integre: aut 2-3-fidee, seepe vix conspicue. Cyme dichotoma, foliose, laxee vel congeste.
Pedicelli seepius brevissimi, rarius 1-2 lin. longi. Calycis tubus usque ad apicem ovarii adnatus, limbi laciniz
lanceolate, foliacese, acutissimee. Corolla infundibuliformis, calyce duplo longior, intus glabra. Filamenta
brevia. Antherz oblongo-lineares. Styli lobi oblongi. Ovarii loculi oligospermi.

This plant has something of the habit of the Cape T’hesia, and it is evidently
allied to some of the Peruvian species of Ericotis. The flowers in the specimens
before me are most of them too much deformed, apparently by the effect of some
insect, to admit of any very accurate description.

65. Mirracarrium lineare, sp. n., annuum, erectum, glabriusculum, foliis linearibus, calycis
laciniis 2 majoribus corolle tubo subdimidio brevioribus, 2 multo minoribus.—Cape San Lucas.

Herba pusilla, parum ramosa, 4-6-pollicaris. Caulis tetragonus, pube minuta scabriusculus vel demum
glaber. Folia flavescenti-viridia, crassiuscula, margine recurva, obscure uninervia, majora pollicaria. Stipule
glabree, vagina albida 1 lin. longa, setis utrinque 3-5 inequalibus, intermediis vaginee equilongis, lateralibus
brevioribus. Capitula seepius ad apices ramulorum solitaria, majuscula, foliis floralibus quatuor caulinis
similibus. Calyx glaber vel minute ciliato-puberulus, laciniis 2 lanceolato-linearibus acutis viridibus, 2 parvis

hyalinis. Corolle tubus 13 lin. longus, glaber, laciniee limbi ovate, acute, tubo dimidio breviores. Calyx
fructifer auctus. Semina ventre sulco cruciato notata.

CoMPoSsITz.

66. Pectis multiseta, sp. n., caule diffuso ramosissimo puberulo, foliis lanceolato-linearibus
acuminato-piliferis per totam longitudinem dentibus aristatis ciliatis, crebre glanduloso-punctatis,
pedunculis folia superantibus ebracteatis monocephalis, involucri squamis 5 late lineari-oblongis
carinatis, pappo radii 2-3-setoso, disci coroniformi unisetoso vel mutico.—Cape San Lucas.

Herba annua, pedalis. Rami flexuoso-diffusi, oppositi, graciles, pube minutissima albida conspersi.
Folia pleraque pollicaria, basi angustata, margine subrecurva, utroque latere denticulis piliferis 6-8 subeequidis-
tantibus notata, supra viridia, subtus pallida. Glandule plurime majuscule, sparse, in pagina inferiore promi-
nul, alice numerosee minores immerse, omnes pellucide. Pedunculi solitarii, terminales, floridi ramulos
superant ; demum ramulis elongatis in dichotomiis persistunt, basi foliorum paribus 2-3 approximatis suffulti.
Involucrum 2 lin. longum, insigniter 5-costatum, minute puberulum. Squame inter se leviter cohzrentes,
apice breviter liberee, acutiuscule. Corolle radii 5, squamis involucri opposite et arcte appressze, ligulis luteis
patentibus integris acutis 2 lin. longis. Corolle disci fere 20, tubulosee, ligulis breviores, ex sicco lute, dentibus
Janceolatis obscure bilabiatis. Achenia linearia, teretia, minute appresso-puberula, pappo coroniformi
brevissimo. Aristee rigidee, pilis brevibus paucis obverse ciliatee, achenio breviores, in radio sepissime tres
parum ineequales divergentes, in disci acheeniis exterioribus solitarie, in interioribus nulle.

67. Hetocyne fasciculata, gen. nov. (Plate XIV.)—Bay of Magdalena.
: Cuar. GEN. Capitulum multiflorum, homogamum. Inyolucram imbricatum squamis line-
aribus acutissimis numerosis. Receptaculum planum, nudum. Flores hermaphroditi tenuissime

tubulosi, 5-dentati. Pappi pales 2-3 breves hyaline sublacere et ariste 2-3 scabride corollam
superantes.—Genus e tribu Eupatoriacearum Ageratearum.

CALIFORNIA. 21

H. fasciculata, suffrutex ? humilis, subceespitoso-ramosus, ramulis brevibus glaberrimis glaucescentibus.
Folia alterna, superiora sub pedunculo approximata subfasciculata, in ramis vetustis marcide persistentia,
omnia longe petiolata, profunde trisecta vel pinnatisecta, laciniis paucis cruciato-divaricatis inter se distantibus,
ovatis lanceolatisve, inciso-dentatis vel pinnatifidis acutis basi subconfluentibus carnosis enerviis glauco-
viridibus 3-8-lin. longis, petiolo 1-2-pollicari. | Pedunculi terminales, solitarii, semipedales, nudi, monocephali.
Involucrum ovatum, fere 4 lin. longum. Squame numerosissime, acutissime acuminate, dorso virides,
exteriores sublanceolato-lineares breves, interiores lineari-subulatee elongatee, intimee paullo breviores, scariose.
Receptaculum brevissime alveolatum. Flores tenuissimi, Corolle superne paullo ampliate, dentibus 5
brevibus conniventibus. Styli rami longe exserti, apice clavati, extus papillosi. Anthere anguste, ecaudate.

There is no doubt that this plant belongs to the Ageratee of De Candolle, but
it does not agree with any of the described genera in those minute characters upon
which they are distinguished among Composite, and still less in habit. The invo-
lucre is nearly that of Ageratum or Anisocheta, but with much sharper squame,
and it differs essentially from the former in the pappus, and from the latter in the
corolla. The pappus is that of some Stevie, but the involucres, and number of
flowers, remove it at once from them. It is probable that Phania urenifolia,
Hook. et Arn. Bot. Beech. p. 297, which I have not seen, is a second species of
Helogyne. The Phania? dissecta, of the same work, has some slight resemblance
in habit; but the involucre, flowers, and pappus do not appear to me to differ from
those of Eupatorium.

Plate XIV. fig. 1, flower; fig. 2, anthers; fig. 3, pappus; fig. 4, pappus with ariste.

68. CARPHEPHORUS junceus, sp. n., caule erecto ramoso glabro, foliis remotis plerisque oppositis
anguste linearibus patentibus, pedunculis longis monocephalis subcorymbosis, achzniis subpenta-
gonis puberulis, pappo plumoso.— Bay of Magdalena.

Herba perennis, vel forte basi fruticosa, bipedalis. Rami oppositi, elongati, virgati, subteretes. Internodia
pluripollicaria. Folia 1-2-pollicaria, crassiuscula, integerrima, glabra. Pedunculi 3-6-pollicares, seepius alterni,
nudi vel superne bracteolis 1-3 parvis stipati. Capitulum hemisphericum. Involucri squame imbricate,
pauciseriate, exteriores ovatee, margine vix membranacee, extus tomento farinoso canescentes ; sass
longiores, angustiores, latius membranaceew, gradatim abeunt in paleas receptaculi lineari-lanceolatas scariosas
sublaceras apice ciliatas floribus breviores. Receptaculum subplanum. Flores ultra 30, vix pappo longiores,
tubulosee, dentibus 5 brevibus recurvo-patentibus. Anthere breviter exserte. Styli rami exserti, longi,
acutiusculi, brevissime hispiduli. Acheenium 1} lin. longum, molliter villosulum. Pappus 3 lin. longus, setis
circa 15, longe et molliter plumosis.

69. Bricket11a (Bulbostyles) hastata, sp.n., fruticosa? ramis canescenti-tomentosis, foliis
oppositis petiolatis hastato-trilobis, supra scabriusculis, subtus reticulato-rugosis tomentellis dense
glandulosis, capitulis conferte corymbosis ovatis sub-12-floris, styli ramis longe exsertis. —
Bay of Magdalena.

Ramuli floriferi pedales, subteretes, tomento brevissimo denso sordide canescente vel a obtecti.
Folia caulina omnia opposita, 3-5-nervia, hastato-triloba, lobo intermedio 2-3-pollicari, iateralibus ee
6-12 lin. longis, omnibus obtusis subintegerrimis penninerviis, vel intermedio trinervio et rarius m sinu lobulo

G

22 BOTANY OF THE VOYAGE OF THE SULPHUR.

altero brevi utrinque aucto, Ven in pagina superiore vix conspicue, in inferiore prominentes, minute
tomentose, Glandule pagine inferioris parva, creberrime. Corymbus terminalis, polycephalus; rami
2 infimi oppositi, axillares, cseteri alterni, bracteis minimis vel inferioribus majoribus foliaceis subtensi.
Pedicelli ultimi abbreviati. Capitula 4 lin. longa. Squame involucri pauciseriales, lato-lineares, vix acute,
striate, margine scariose ; exteriores abbreviate, dorso puberulie ; interiores pappos et corollas subequantes,
glabra, intimee scariosee. Corolle tenuiter tubulose, dentibus 5 extus parce glandulosis. Stylus basi villoso-
bulbosus ; rami longe exserti, superne incrassati, obtusi. Achenia villosula, striis circa 10. Pappus
caducissimus, albus, setis circa 30 uniserialibus barbato-serrulatis.

The genus Brickellia was first established by Elliott, for a plant which ap-
peared to him to approach the (N. American) Vernonie in habit, but distin-
guished from Eupatorium by very slight characters only, amongst which he did
not advert to the bulbous base of the style. De Candolle, to whom Elliott's
plant was unknown, established under the name of Bulbostyles, a genus distin-
guished from Eupatorium chiefly by the last named character, but with some
general resemblance amongst the several species, in habit and involucre. Torrey
and Gray have since ascertained that both Brickellia and Bulbostyles have the
bulbous style, and are in other respects closely allied to each other. Accordingly
they are placed in their Flora next to each other, with detailed generic characters,
but with the observation that they are perhaps not sufficiently distinct,—a circum-
stance so far confirmed by the examination of the present and of some other
species, that I have been induced to consider both as one genus under Elliott's
older name of Brickellia, taking that of Bulbostyles as a sectional name for those
species which have from ten to twenty, or rarely twenty-five flowers in each
head. .The species now described has usually about twelve flowers; in other
respects it is shrubby, as the true Bulbostyles are said to be, but has the exserted
style of Torrey and Gray’s Brickellia, and also, in common with many Brazilian
species, has the corymbose inflorescence attributed to the latter genus. The
whole group is certainly, as observed by Torrey and Gray, very near Eupatorium,
yet if the bulbous style proves as constant as it appears to be, it may be found to
bea Sufficient distinction where the species are so very numerous that recourse is
necessarily had to very slight characters for the formation of genera.

: 4 Coreturocyne obovata, sp. n., caule procumbente albo-lanato, foliis caulinis obovatis in
petiolum longum angustatis apice subdentatis laxe albo-lanatis, ramulorum superioribus parvis,
pedunculis involucrisque minutissime glanduloso-puberulis lana orbatis.— Bodegas.

Dattrutex videtur ramis elongatis flagelliformibus, ramulis floriferis ad apices ramorum plurimis brevibus
adscendentibus monocephalis. Folia caulina pollicaria, bullato-rugosa, lana laxa utrinque alba, «tate rarius
Smudats, petiolo longo alato; ramorum floralium parva, sessilia, viridia, bractezeformia. Capitula quam in
Cc. californica minora, minus glandulosa, squamis acutioribus angustioribus. Receptaculum nudum. Flores
ewrulei, pulchelli. Ligule circa 20, linearia, stylo nullo, achenii radimento parvo apice pappum ferente

paucieotum- Flores disci numerosi, tubulosi, dentibus vix extus glandulosis. Styli rami ut in C. californica
penicillati. Acheenia villosa. Pappus rufescens, multisetus.

CALIFORNIA. 23

71, CorETHROGYNE virgata, sp.n., caule erecto rigido superne paniculato-ramoso tenuiter
arachnoideo-lanato, foliis oblongo-lanceolatis amplexicaulibus arachnoideo-lanatis, ramealibus parvis
bracteseformibus squamisque involucri viridibus glanduloso-viscosis, receptaculo nudo. — San
Pedro.

Rami adsunt sesquipedales, apice paniculato-polycephali. | Folia subadpressa, caulina vix pollicaria,
integerrima vel obscure dentata, rarius infra medium contracta, basi caulem amplectentia vel interdum brevissime
decurrentia, superiora et suprema in ramulis panicule 1-3 lin. longa, integerrima, Capitula quam in
preecedente multo minora. Involucri squame numerose, in seriebus circa sex imbricatee, margine scarioste,
apice virides, acutiuscule, glandulis stipitatis sessilibusque viscose, interiores apice subsquarrose, exteriores
gradatim breviores in bracteas abeunt. Ligule circa 20, lineares, ovarii rudimento setis paucis brevissimis
coronato, Corolle disci pappum rufum equantes. Styli rami apice penicillati, Acheenia oblongo-linearia,
compressa, villosa.

72. Aster chilensis, Nees.—Torr. et Gr. FJ. N. Amer. 2. p. 112.—San Francisco.

73. Ertceron glaucum, Ker.—Torr. et Gr. Fl. N. Amer. 2. p. 172.—Bodegas.

74. Perirye californica, gen. nov. (Plate XV.)—Bay of Magdalena.

Cuar. Gen. Capitulum hemisphericum, radiatum. Involucrum subbiseriale, squamis aqui-
longis oblongo-linearibus, exterioribus hirtis, interioribus subscariosis. Receptaculum planum,
epaleaceum. Corolle extus glandulose, radii uniseriales, tubo tenui, ligula oblonga apice 2-3-
dentata, disci tubulose, 4-dentate. Styli rami apice dilatati, breviter appendiculati, obtusiusculi,
hirti. Achenia radii et disci conformia, compressa, hirtella, margine calloso cincta. Pappus
e squamellis brevibus hyalinis fimbriatis constans, adjecta sepe arista exteriore longa hirtella et non-
nunquam setis 2-3 brevissimis.

Species unica: P. californica. Herba annua, erecta, pubescens, divaricato-ramosa, semipedalis vel
vix altior. Folia opposita, superiora alterna, longe petiolata, lato-ovata vel suborbiculata, grosse dentata vel
inciso-lobata, basi truncata trinervia, tenuiter membranacea, utrinque sparse puberula, inferiora sesquipollicaria,
superiora multo minora. Pedunculi elongati, terminales, pauci, laxe subcorymbosi, monocephali. Capitula
3-4 lin. diametro. Involucri squame exteriores nervose, ciliato-hispide, interiores margine subscariose, —
disco breviores. Ligule circa 12, breves, ex sicco flavee videntur. Corolla disci luteee, numerosee et semper
quadrifidee.

The place of this genus is uncertain, neither the form of the style nor the
habit being very decidedly that of any of the great tribes of Composite. The
technical characters bring it nearest to Boltonia, but the habit is totally different,
resembling that of some Ageratee. It has also some affinity with some of the
Senecionide, and may possibly be near to the imperfectly known genus Rosilla of
Lessing. ,

Plate XV. fig. 1. involucre and receptacle ; fig. 2. floret of the ray; fig. 3. floret of the disk ;
fig. 4, anthers; fig. 5, summit of the style; fig. 6, achenium; fig. 7, pappus.

75. Ericamerta microphylla, Nutt. in Torr. et Gr. Fl. N. Amer. 2. p. 236. Vaslst foliis pube-
rulis siccis vel glabris glutinosis, squamis omnibus obtusis vel amnesia acutis, achzenio glabro
vel juniore adpresse puberulo.—San Francisco, __

76. Ertcamerta diffusa, sp. n., glabra, laxe ramosissima, subglutinosa, fois lineari-subulatis
canaliculatis, floribus disci 4-5, ligula-solitaria, acheeniis villosis. Bay of Magdalena.

24 BOTANY OF THE VOYAGE OF THE SULPHUR.

Fruticulus humilis, diffuse ramosissimus.. Folia majora semipollicaria, obtusiuscula, multo laxiora quam
in E, microphylla, raro fasciculata. Capitula ad apices ramulorum 3-4, parva, oblonga, in ———
corymbosam foliosam polycephalam disposita. Involucrum H. microphylle sed minus. Corolla radii si
brevior, ligula basi seepe laciniis duabus linearibus brevibus aucta, subbilabilata ; flores disci profunde Sadenitat-
Receptaculi alveole seepe in paleas subsetiformes hyalinas achenia superantes producte. Acheenia sublinearia,
leviter compressa, villis albis obtecta. Pappus 2. microphylla.

77. Aropaprus (Blepharodon) baccharoides, sp. n., glaber, erectus, virgato-ramosus, foliis
linearibus acutis integerrimis margine scabriusculis, capitulis dense corymbosis numerosis parvis,
ligulis circa 15 involucrum vix superantibus, floribus disci 8-10, achzenio villoso.—Santa Clara.

Caules 1-14-pedales, ramis teretibus levibus. Folia majora pollicaria, ramealia multo minora, omnia acuta et
basi angustata, crassiuscula, sub lente trinervia, margine dentibus minutissimis scabriuscula, vel omnino integerrima,
leviter glutinosa. Capitula ad apices ramorum numerosa, vix 2 lineis longiora, ovata. Involucri campanulati
squame subtriseriatim imbricate, lineari-lanceolate, margine scariose, acute, dorso virides, leviter glutinose.
Receptaculum parvum, convexum, alveolatum, alveolis fimbriatis. Ligule disco non longiores, biseriales, tubo
gracili, lamina lanceolata acuta subpatente ; styli ramis subulatis glabris. Corolla disci tubulosi, tubo tenui
glabro, fauce paullo ampliata tubo vix longiore in lacinias 5 lineari-lanceolatas ultra medium divisa.

Anthere ecaudate, appendice lanceolata. Styli rami exserti, subulato-compressi, appendicibus parte
stigmatifera multo brevioribus. Acheenia oblongo-turbinata, villosa.

Pappus e setis plurimis ineequalibus
uniserialibus constans.

The habit of this plant, resembling in some respects that of Zsopappus, and

still more that of several Baccharides, is very different from that of most Aplo-
pappi, of which it has all the essential characters.

78. ApLopappus (Blepharodon) arenarius, sp. n., suffruticosus, divaricato-ramosus, breviter pu-
bescens, viscosissimus, foliis oblongis lanceolatisve obtusis sinuato-dentatis undulatis, dentibus obtusis
rarius aristulatis, involucri hemispherici squamis linearibus apice foliaceis squarrosis. — Cape

San. Lucas.

Caules rigide ramosissimi, ramis semipedalibus divaricatis in arena prostratis, Folia crassiuscula,
semipollicaria vel paullo longiora, superiora minora, uninervia, dentibus paucis seepe valde undulatis, basi
sessilia vel amplexicaulia, utrinque viridia, pube brevi viscosissima obtecta. Capitula ad apices ramulorum
solitaria, magnitudine Grindeliw squarrose. Squame involucri numerose, pluriseriatim imbricatz, lineares, basi

scariosw, apice virides, acutiuscule, squarroso-patentes, extus glanduloso-puberule. Receptaculum brevissime
alveolato-fimbrilliferum. Ligule ultra 30.

Achenia turbinato-compressa, sericeo-villosa, Pappi sete
numerose, ineequales, rufescentes,
A low plant, with something of the habit of some of the European Pulicarie

or Franceurie, and not much resembling the generality of Aplopappi, of which
however it has all the technical characters.

79. GRInDELIA cuneifolia, Nutt. in Torr. et Gr. FL N. Amer. 2. p. 247?—The specimens

resemble much those of G. squarrosa, gathered by Douglas on the Red River ; but the leaves are
but slightly and remotely toothed. The flowers are too much eaten up by worms to show the
structure of the pappus.—San Francisco.

ie 80. Hererotueca Sloribunda, Sp. D., erecta, elata, hispida et viscoso pubescens, dense foliosa,
foliis ovatis grosse dentatis inferioribus petiolatis, supremis sessilibus oblongis, panicula oblonga

CALIFORNIA. 25

apice corymbosa conferta polycephala, involucri squamis linearibus acutis, disci pappo exteriore
brevi setoso.—San Pedro and San Quentin.

Habitus fere Inula viscose. Caules bipedales, crassi, rigidi, simplices, erecti, pilis longis albidis et pube
brevi viscosa vestiti, foliis numerosis obtecti. Ramuli florales in parte superiore caulis numerosi, 2-3-pollicares,
oligocephali, inferiores secus caulem racemosi, superiores confertim corymbosi, Folia caulina 1-2-pollicaria,
crassiuscula, reticulato-rugosa, utrinque pube glandulosa viscosa vestita, pilis albis longis intermixtis. _ Petioli
foliorum inferiorum pollicares, basi auriculato-dilatati. Folia ramuloram floralium parva, oblonga,
subintegerrima. Capitula quam in H. scabra majora, multo tamen minora quam in H. inuloide. Involucra
dense glanduloso-puberula, pilis paucis albis intermixtis. Squame pluriseriales. Ligule plus quam 20,
angustee. Corolle disci numerose, tenues, glabre. Styli ramorum appendicule breves, hirte. Acheenia radii
parva, compressa, glabra nisi ad margines ciliolata; disci obovata, compressa, sericeo-pubescentia ; pappi
interioris setee numerosee ruf, exterioris breves numerosx.

81. Curysoprsis echioides, sp. n., undique pilis longis albis hispidissima, subramosa, foliosa, foliis
oblongis lanceolatisve basi rotundatis, capitulis confertis subcorymbosis, involucri campanulati
squamis lineari-subulatis pilosis, acheeniis obovato-oblongis adpresse villosis, pappo exteriore setoso
squamellato.— Bodegas.

Affinis C. villose, Nutt., sed imprimis distinguitur pilis longis rigidis albis subadherentibus, in caule
ramis foliorumque pagina utraque creberrimis, iis Hchii italici subsimilibus. Caules duri, pedales, superne
confertim ramosi. Folia inferiora desunt, superiora 1-13-pollicaria, sessilia vel semi-amplexicaulia; pili
paginee inferioris seepe quam cetere molliores, at semper longi et densissimi; folia suprema multo minora.
Ramuli floriferi breves, ultimi bracteolati, vix semipollicares, monocephali. Capitula quam in C. villosa minora,
squamis involucri acutioribus. Ligule 12-15. Styli ramorum appendices longs hirsute. Achenia sub-
sericeo-villosa, compressiuscula, basi longe, apice brevissime attenuata. Pappus setosus, barbellatus, sordidus,
exterior brevis e setis squamellisve linearibus paucis constans.

82. Baccuarts pilularis, DC.—Torr. et Gr. Fl, N. Amer. 2. p. 259,—San Francisco.
83. Baccuaris consanguinea, DC.—Torr. et Gr. Fl. N. Amer. 2. p. 259.—Santa Clara.

Good specimens of both sexes of the two last species appear to be constantly
distinct. The leaves of B. consanguinea are usually narrower than in B. pilularis,
the heads of flowers more ovoid and fewer flowered, and the foliaceous bracts or
floral leaves on the outside not so large, nor so closely appressed.

84. Baccuaris Douglassii, DC.—Torr. et Gr. Fl, N. Amer. 2. p. 259.—Santa Clara.

The leaves of the flowering branches are as in Douglas's specimens, and as
described by Torrey and Gray. Some of the stem-leaves are, however, four to
five inches long, nearly an inch broad, and often slightly serrulate. The species
appears to me perfectly distinct from B. g/utinosa.

85. Amprosta artemisiefolia, Linn.—Torr. et Gr. Fl. N. Amer. 2. p. 291.—San Francisco.

86. FransertA, hispida, sp. n., foliis bipinnatisectis, segmentis dentato-pinnatifidis utrinque
hirsutis viridibus, capitulis confertim spicatis, involucris masculis 6-fidis, focmineis ovoideis brevissime
aculeatis 2-4-floris.—Bay of Magdalena.

Specimen unicum vidi semipedale, durum, Calis teres, erectus, undique pilis longis albis hispidissimus.

H :

26 BOTANY OF THE VOYAGE OF THE SULPHUR.

Folia alterna, petiolata, 2 poll. longa et lata, fere ad costam mediam bis dissecta, lobulis lineari-lanceolatis acutis,
dentibus obtusiusculis brevibus crispis, rhachi alata et lobulis dentibusve crispis inter segmenta additis,
pagina utraque virescente pube utprimum densa viscosa vestita, in foliis adultis pilis albidis erectis
numerosis intermixtis. Racemi breves, conferti, alii masculi videntur alii foeminei, sed in specimine incom-
pleti sunt; capitula tamen utriusque sexus numerosa sunt, sessilia, et valde approximata. Involucra mascula
patentia, 2 lin. lata, valde obliqua, fere ad medium in lacinias 6 ovatas acutas divisa, viscoso-puberula.
Palese receptaculi lineares, apice paullo latiores, flores superantes, viscoso-hirte. Corolle subinfundi-
buliformes, tubi parte attenuata brevissima, fauce longa campanulata brevissime 5-dentata. Stamina
inclusa ; filamenta brevissima ; anthere oblong, appendice ovata acuta vix setifera anthere loculis zequilonga.
Styli rudimentum breve, apice penicillatum, Involucra foeminea ovata, arcte clausa, extus viscoso-pubescentia,
2-4-flora, Ovaria inclusa, ovoidea, glabra. Styli rami exserti, elongati, obtusi, glabri, stigmatis seriebus pro-

minulis fere ad apicem extensis, Capitula matura vix 2 lin. longa, aculeis paucis brevissimis seepius tuber-
culiformibus, intu$ 3-4-locularia.

Allied probably to F’. pumila, Nutt. which is very imperfectly described, but
is said to be silky-canescent, which the present species certainly is not. The
F. pumila is, moreover, placed by Torrey and Gray in a section with uniflorous

female heads, but it does not appear whether that character had been in this
instance verified.

87. Franserta chenopodiifolia, sp. n., suffruticosa? humilis, foliis petiolatis ovatis dentatis
subincisis utrinque albo-tomentosis, spica interrupta, capitulis superioribus masculis involucro

8-10-dentato, inferioribus foemineis paucis subglobosis tri-floris tomentosis, aculeis elongatis
numerosis.—Bay of Magdalena.

Specimen semipedale, ramosum. Caulis basi lignosus videtur, glaber, purpureus; apices ramorum cano-
tomentose. Folia alterna 1-1}-pollicaria, acuta vel vix obtusiuscula, dentibus inequalibus seepe duplicatis
subcrispis, basi latiora truncata vel in petiolum breviter angustata, crassiuscula, penninervia et basi sub-
trinervia, utrinque presertim in pagina inferiore tomento brevi laxiusculo albida ; petioli graciles fere pollicares.
Spica tripollicaris. Capitula mascula in parte superiore circa 10, sessilia, late hemispheerica, involucro tomen-
tello membranaceo yenoso breviter et ineequaliter 8-10-dentato. Flores fere 30. Receptaculi pales lineari-
spathulatee, floribus paullo breviores, apice ciliato-hirte:, Corolle anguste turbinato-tubulose, involucrum
Superantes, apice breviter 5-dentate, extus vix puberule. Anthere corollam eequantes, singule filamento suo
paullo longiores, appendice ovata acuta apice breviter pilifera inflexa. Styli rudimentum corollam equans, apice

-penicillatum. Capitula fceminea ad basin spice pauca. Stylus exsertus, ramis longissimis, fere F’. hispidi.
Fructus depresso-globosus, 2 lin. diametro, intus (in speciminibus duo scalpello subjectis) trilocularis, loculis in
uno specimine omnibus fertilibus, in altero duobus abortivis. Aculei lineam longi, basi subdilatati, apice
sepe hamati, glabriusculi, Tomentum seu lana inter aculeis breve, laxum, album.

: 88. ENcELIA conspersa, sp. n., diffusa, ramis adscendentibus junioribus albo-tomentosis, foliis
ternis ovatis oblongisve adultis viridibus pube rara conspersis, pedunculis longis 2-3-cephalis,

| > a a re ciliolatis, achzeniis planis faciebus fere glabris marginibus longe

: Ceules basi lignosi, ee Rami floriferi adscendentes vel erecti, }-1-pedales, striati, pube farinosa
— —— Gaal. hice oe —— petiolata, pollicaria vel paullo longiora, nunc lato-ovata margine
— = oblonga Rit ase omnia obtusa, basi cuneata, crassiuscula, trinervia, pilis brevissimis albis
Bas it ~gare ceeterum viridia vel primo juventute alba. Pedunculi semipedales, in
monocephalos divisi, ramis bractea oblonga parva subtensis, Capitula hemispherica, magnitudine

CALIFORNIA. 27

£. canescentis. Involucri squame 2-3-seriales, ineequales, virides, membranacee, minute puberule, margine
presertim basi ciliate, interiores discum subequantes. Ligule circa 12, oblongee, extus pubescentes, neutree.
Receptaculum planum. Palese membranacem, naviculares, floribus disci paullo breviores. Corolle disci
glabree, tubi parte tenui brevissima, fauce tubulosa elongata, dentibus brevibus incrassatis, Styli rami
appendice subulato-conica superati. | Achania margine villis longis mollibus dense ciliata, faciebus villis
similibus raris onustis.

Allied to E. californica, but neither the form of the leaves, nor the clothing of
the involucres agree with the character given to that species.

89. ENcELIA nivea, sp. n., procumbens, tomento subsericeo niveo, foliis plerisque oppositis
petiolatis ovatis obovatisve, pedunculis elongatis 1-2-cephalis, involucri squamis ovato-lanceolatis
extus sericeo-tomentosis, achzeniis compressiusculis breviter villosis marginibus vix ciliatis—San
Quentin.

Rami laxiores et longiores quam in HZ. conspersa, tomento molli albo obtecti, vix demum subnudi. Folia
vix pollicaria, obtusissima, integerrima, margine subundulata, basi in petiolum 3-6 lin, longum angustata,
crassiuscula, molliter niveo-tomentosa, nervis 3 subtus prominulis; fere omnia opposita, pauca hine inde
presertim sub pedunculis alterna, Pedunculi semipedales, rigiduli, seepius 1-2-bracteati at simplices, rarius
ramo monocephalo ad axillam bracteee aucti. Capitula hemispheerica, quam in Z. conspersa paullo majora,
Squamz involucri biseriales, exteriores paullo breviores, subfoliacese, apice subpatentes, cano-tomentose.
Ligule circa 10; lamina 4 lin. longa, ovato-oblonga, integra, multinervis, glabra, Palese lineari-lanceolate,
carinate, disco paullo breviores. Corolle disci et genitalia? H. conspersw. Acheenia vix perfecta vidi, sed
multo minus compressa sunt quam in specie preecedente, villis minus ineequalibus,

This species differs slightly from other Encelig, in having its leaves mostly
opposite, and the achznia, so far as can be ascertained from very young ones,
and from a few others very old and somewhat injured, are much less compressed,
with the hairs more equally diffused. These characters bring it near to Gymnop-
sis, but the habit is in other respects that of Encelia, and I can see no trace of
any coroniform pappus. Perhaps the two genera are not sufficiently distinct.

90. ViaurerA subincisa, sp. n., suffruticosa, foliis oppositis inferioribus approximatis ovato-
lanceolatis grosse dentatis subincisisve, superioribus sub panicula oligocephala remotis parvis lineari-
bus, involucri squamis biseriatis obtusiusculis cano-pubescentibus, receptaculo conico.—Bay of
Magdalena,

Caules basi lignosi, ramosissimi, breves, foliosi, glaberrimi. Folia ad basin ramorum floralium conferta,
longiuscule petiolata, late vel anguste ovato-lanceolata, subbipollicaria, acuminata, valde ineequaliter pauciden-
tata vel sublobata, basi angustata, glabra vel rarius pube minuta scabriuscula, Rami floriferi erecti, subpedales,
superne alternatim paniculati, oligocephali. Folia remota, inferiora opposita, suprema alterna bractesformia.
Pedunculi apice uti involucra pilis brevibus rigidulis appressis plus minus canescentes, Capitula quam in
V. helianthoide minora. Involucri squame lanceolatee, ineequales, interiores floribus et paleis breviores.
Receptaculum parvum, solidum, conicum. Pale anguste oblonge, membranacee, margine involute, acheenium
includentes. Ligule circa 10, neutre ; lamina late oblonga, integra, multinervis, extus puberula. Corolle disci
numerose, laxiuscule tubulose, basi brevissimee contractee, Styli rami appendice subulato-conica terminati.
Acheenia pilis longis sericeo-villosa, squamellis pappi oblongis apice laceris achtenio subdimidio brevioribus,
aristis 2 inequalibus squamellas paullo superantibus.

*

28 BOTANY OF THE VOYAGE OF THE SULPHUR.

91. Hetrantuus californicus, DC.—Torr. et Gr. Fl. N, Amer. 2. p.325?—The specimen is
too much injured to determine accurately—San Francisco.

92, Het1anruvs scaberrimus, sp. u., caule elato scabro-hispido, foliis inferioribus oppositis
supremis alternis petiolatis ovato-lanceolatis acuminatis integerrimis basi cuneatis supra scaberrimis
obscure triplinerviis, involucri squamis ovatis scabris ciliatis longe acuminatis, acheeniis puberulis
demum glabratis, pappo bipaleaceo.— Bodegas.

Rami adsunt superiores, pilis brevibus rigidis asperati. Ramuli floriferi elongati uti folia superiora alterna.
Folia caulina opposita 2-5-pollicaria, longiuscule petiolata, nervis subtus tantum prominulis. Capitula magni-
tudine H. californici. Squame inyolucri foliacee, exteriores 1-2 interdum elongate, foliiformes, omnes longe
subulato-acuminatee et pilis rigidis ciliate. ales receptaculi apice sepius tridentate, dente medio elongato

acute acuminato. Achzenia juniora pube adpressa plus minus vestita, matura glabrescunt. Pappi palez lato-
lanceolate, concavee, acute vel apice fimbriate, caducissime.

This certainly much resembles my specimens of H. californicus from
Douglas, but the leaves are shorter and broader, and the scales of the involucre
are very different. It is, however, very difficult, from dried specimens, to distin-
guish accurately the species of a genus like this, where the size of our herbaria
will only admit of mere fragments of the larger species.

93. Corzocarpus parthenioides, gen. nov. Verbesinearum, (Plate XVI.)—Bay of Magdalena.

Cuar. Gen. Capitulum hemisphericum, multifloram, radiatum. Involucri squame circa 5,
ovate, subzequales, leviter imbricata. Palez receptaculi lineares. Ligule circa 5, foeminee. Flores
disci numerosi, tubulosi, 5-dentati. Styli rami appendice longa acuta superati. Achzenia obcom-

pressa, radii margine crasso rugoso cincta et aristis 2 brevibus retrorsum hispidis coronata, disci
anguste marginata, calva.

Species unica: C. parthenioides.

Herba perennis? ramosa, suberecta, semipedalis, glabra vel partibus
junioribus vix canescentibus.

Folia opposita, petiolata, pinnatisecta, segmentis obovatis oblongisve grosse
inciso-dentatis pinnatifidisve crassiusculis. Pedunculi pauci monocephali. Capitula magnitudine et forma fere

Unie, Involucri campanulati squame lineam longee, ovatee vel obovate, brevissime acuminatz, juniores

opacee marginatee, demum membranacew, venose. Receptaculi pales exteriores ovali-oblong, interiores

oblongo-lanceolatee vel lineares, floribus disci breviores. Ligule seepissime 5, interdum 6, tubo glabro invo-
locren: eequante ; lamina ovali-oblonga, 4-nervis, vix apice dentata, 2 lin. longa. Corolle disci involucro paullo
longiores, tubi parte tenui brevissima, fauce tubulosa ampliore basi extus annulo squamellarum aucta.
Anthere inclusw, ecaudate. Styli ramorum appendicula sublinearis hirsuta. Ovaria omnia compressa, mar-

ginata, apice nuda, aristis acheeniorum radii vix ante grossificationem conspicuis. Acheenia disci leviuscula,
radii dorso levia, facie interiore tuberculosa.

This little plant is evidently allied to Parthenium and Mendezia, approaching
the former in habit, the latter in character, and with it should be transferred, as

suggested by De Candolle, to the Verbesinee. The central flowers, though often
sterile, are always hermaphrodite, and: frequently fertile.

i ree ae Mss floret i - ray ; fig. 2, floret of the disk; fig. 3, anthers; fig. 4, summit of
ne SYS NE. 9. achenium of the ray seen from the inner face; fig. 6 from th
back ; fig. 7, acheenium of the disk. ner face; fig. 6, the same seen from the

CALIFORNIA. 29

94. Acoma dissecta, gen. nov. Verbesinearum (Plate XVII.)—Cape San Lucas.

Cuar. GEN. Capitula ovoidea, pluriflora, radiata. Involucrum imbricatum, squamis paucis
latis obtusis. Receptaculum parvum, planum; palez lanceolate, acute. Flores radii 1-2, foeminei,
fertiles; disci plures, hermaphroditi, tubulosi, 5-dentati. Styli rami appendice sublanceolata acuta
vix puberula terminati. Achznia obcompressa, bialata, apice emarginata, calva; interiora sepe
abortiva.

Species unica; A. dissecta, Suffrutex 1-1} pedalis, glaberrimus, a basi ramosus. Folia opposita,
petiolata, bipinnatisecta ; segmentis linearibus acutis integerrimis crassiusculis, superioribus subconfluentibus.
Corymbi longiusculi pedunculati, oligocephali. Capitula 3 lin. longa. Involucrum fere Latreillew vel
Clibadii, squame circa 5, valde imbricate, Jeeves, extime paullo breviores. Ligula szepius solitaris, tubo
gracili, lamina oblonga 5-nervi apice vix emarginato-dentata. Palez floribus disci paullo breviores.

The deeply cut, narrow, somewhat fleshy leaves give this plant the habit of
some Senecios and Chrysanthema. The heads of flowers have some resemblance
to those of Clibadium and Latreillea, but the flowers of the disk are hermaphro-
dite though often sterile. The genus would, therefore, belong to the Verbesinee,
amongst which none are published with the same combination of characters as in
our plant.

Plate XVII. fig. 1, floret of the ray ; fig. 2, floret of the disk and palea; fig. 3, anthers; fig. 4,
style; fig. 5, acheenium, all magnified.

95. Dysop1a anthemidifolia, sp.n., erecta, glabra, foliis pinnatisectis, segmentis remotis lineari-
bus integerrimis, involucri ebracteati hemispherici squamis 8 apice obovato-scariosis,—Bay of
Magdalena.

Herba annua, pedalis, habitu fere Anthemidis cotule. Folia alterna vel infima opposita, 1-2-pollicaria,
anguste linearia, crassiuscula, glabra, Jaciniis utrinque 2-4 inter se distantibus 3-6 lin. longis. Glandule
orbiculatze, hinc inde ad apices foliorum vel laciniarum solitarie ; folii apex glandulifera seepius paullo dilatata
et mucronulata, Pedunculi terminales, superne parum incrassati, monocephali, bracteis paucis parvis linearibus
sparsis a capitulo remotis. Capitula hemisphzerica, radio neglecto 6-7 lin. diametro. Involucrisquame glaberrime
leeves, basi incrassato-cartilaginese, superne membranacee, apice late, obtusissime, scariose, dorso glandulis 3-4
majusculis onustz. Ligule 8, lamina ovata obtusissima, Flores disci numerosi, involucrum paullo super-
antes; corolla tubulosa basi breviter attenuata, fauce elongato-tubulosa, dentibus 5 lanceolatis acuminatis.
Genitalia inclusa. Styli rami apice truncati penicillati. Achenia lineari-turbinata, basi pedicello brevissimo
hispido stipitata, striata, sparse puberula, apice truncata. Pappus achzenio sublongior, constans e squamellis
numerosis (circa 20) basi in annulum brevissimum subcoalitis, ultra medium in setas plurimas barbellatas
fissis.

This very distinct species cannot be referred to any of De Candolle’s sec-
tions. The want of bractee under the involucre would place it in Gymnolena,
but the habit, the foliage, and the form of the involucre are totally different from
those of D. serratifolia. Our plant has, however, all the essential characters of

the genus Dysodia.

96. PoropHyLLuM gracile, sp. D., suffruticosum, glabrum, foliis oppositis alternisque anguste
linearibus integerrimis, glandulis paucis vel nullis, involucri cylindracei squamis muticis margine
anguste scariosis, acheenio rostrato scabriusculo,—Bay of Magdalena.

I

30 BOTANY OF THE VOYAGE OF THE SULPHUR.

Affine quidem P. lineari DC, sed multo gracilior et involucrum diversum. Rami floriferi semipedales ad
pedales, tenues, striati, rigiduli, apice in ramulos 2-3 breves monocephalos divisi- Folia 1-1}-pollicaria,
pleraque angustissime linearia, acuta, viridia, eglandulosa ; nonnulla paullo latiora, utrinque acutata, et hinc inde
glandula una alterave majuscula notata. Pedunculi fructiferi vix apice dilatati. Involucrum 4 lin. longum ;
squamz a basi ad apicem subeequilate, obtuse, margine anguste scariosee, non mucronate, dorso gerentes
glandulas circa 6 parvas lineares seepe per paria dispositas. Flores in capitulo 12-15, involucro subdimidio
longiores, tubo longo infundibuliformes, extus scabriusculi, dentibus 5 equalibus lanceolatis patentibus.
Anthere breviter exsertee. Styli rami longi, subulati, hispidi. Acheenia tenuia, angulata, longiuscule rostrata,
pilis minutis appressis scabrella. Pappus sordidus, multisetus.

The form of the involucres, corolla, and seed are those of De Candolle’s first

group, but the scales of the involucre are blunt and slightly scariose at the top,
as in his second group.

97. Poropnytivm tridentatum, sp. n., fruticosum, humile, ramosissimum, glabrum, foliis lanceo-
latis cuneatisve, inferioribus pinnatilobatis, superioribus tridendatis trilobisve, lobis dentibusve

plerisque glandula setigera terminatis, capitulis ovato-oblongis, squamis apice scariosis, acheenio
erostri vix scabriusculo,—Bay of Magdalena.

Frutex semipedalis vel paullo altior, basi rigide ramosus; rami floriferi 3-4 poll. longi, foliosi, apice
in ramulos 2-4 breves monocephalos divisi. Folia pleraque 3-5 lin. longa, basi angustata ; supra medium paullo
latiora, apice in dentes vel lobulos 3 lanceolatos divisa; pauca vegetiora 6-8 lin. longa et preeter dentes
terminales utrinque secus marginem lobulis dentibusve 1-2 remotis aucta ; dentes omnes lanceolati, glandula globosa
breviter setigera terminati, vel rarius acuti mutici eglandulosi ; folia caterum crassiuscula, eglandulosa. Invo-

lucra 4 lin. longa. Squame latiuscule, margine scarioste, apice scarioso-appendiculate,, obtuse, dorso gerentes

glandulam unam alteramve majusculam prominentem ad basin partis scariose#. Flores numerosi (circa 40),

involucrum vix superantes; corolle tubulose, dentibus subpatentibus obscure bilabiatis. Acheenia brevia,
striatula, pilis minimis vix scabrella. Pappi setae numerose, serrulato-barbellate. Styli rami subulati, hispidi.

98. Baunia latifolia, sp. n., procumbens, araneoso-lanata, foliis oppositis trilobis, lobis obovatis
cuneatisve subincisis, pedunculis elongatis monocephalis tomentosis.—Bodegas.

, Habitus fere B, lanatw. Caules elongati, procumbentes, ramulis apice adscendentibus, lana araneosa densa
nivea obtecti. Folia 6-15 lin, longa, petiolo alato basi amplexicauli dilatato, ultra medium trifida, laciniis latis
dentatis vel iterum trifidis, rugosa, supra tenuiter subtus dense araneoso-lanata, rarius demum denudata, novella
lana gossypina involuta. Inflorescentia Bs lanate. Pedunculi crassiores. Capitula paullo majora, late cam-
panulata. Involucri_ squame oblongo-lanceolate, arcte appressee, biseriales, subwquilonge, extus albo-
tomentosee. Ligulee circa 12, tubo viscoso-hirto, lamina oblonga apice vix 2-3-dentata. Flores disci numerosi;
corollee tubus infra medium tenuis viscoso-hirtus, superne in faucem tubulosam subglabram aipliatus, dentes
5, breves. Genitalia subinclusa. Styli rami truncati, exappendiculati. Achenia tetragona, glabra. Pappi
squamelle 4, brevissime, ovate, hyaline.

99. HeLentum puberulum, DC.—Torr. et Gr. Fl. N. Amer. 2. p- 385.—San Francisco.

100, Hemizonta ramosissima, sp. n., glabra vel pilis raris subhispida, glanduloso-viscosa, caule

diffuso intricato-ramosissimo ramulis fasciculato-polycephalis, foliis lanceolatis linearibusve inte-

gerrimis vel paucidentatis, ligulis 5, paleis receptaculi ad medi ‘ ares
fiers Ran, Diego. p medium connatis, pappi disci squamellis

Al. fasciculata affinis, sed imprimis capitulis floribusque duplo minoribus distincta. Caules 1-2-pedales,

CALIFORNIA. 31

ramis insigniter paniculato-ramosissimis dense foliosis et floriferis. Folia inferiora lanceolata, pollicaria,
obtusiuscula, basi late rotundata et arcte sessilia, margine revoluto integra vel dentibus lobulisve paucis remotis
aucta, uti caules hine inde pilis paucis rigidis hirta; superiora parva, linearia, integerrima, glandulis crebris
sessilibus stipitatisve viscosa. Capitula ad apices ramulorum dense et irregulariter corymbosa. Involucra
2 lin. longa; squame 5, lanceolate, acute, extus glandulose, basi concave, acheenia radii semi-includentes,
extus squamis bracteisve 2-3 foliaceis linearibus squamis ipsis eequilongis suffulte. Palee receptaculi 5,
squamas 2quantes, lanceolate, acute, carinate, ad medium connate in cupulam 5-fidum, 5-costatum, flores
disci includentem. Ligule 5, squamis involucri oppositee et basi subincluse, paleis alternee, tubo hirtello, lamina
obovata J lin. longa apice trifida, lacinia media lineari, lateralibus ovatis. Flores disci seepius 6, quorum 5
paleis oppositi, sextus paullo longior in medio capitulo, omnes infundibuliformes, hermaphroditi, steriles, extus
minute glandulosi, tubo brevi, fauce subcampanulata 5-dentata. Anthere corollam eequantes, appendicibus
acutis. Styli rami subulati, hispidi. Achenia radii obovata, leviter incurva, matura nigra, extus rugosa, calva,
glabra, areola obliqua; disci abortiva, glabra, pappo coronata e squamellis circa 10 apice laceris constante.

This species, as well as the H. fasciculata, are unlike the other Hemizonie in
habit, and are intermediate in their characters between Hemizonia aud Caly-
cadenia.

101. Hemizonia pungens, Torr. et Gr. Fl. N. Amer. 2 p. 399.—San Francisco.

102, Hemizonta rudis, sp. n., erecta, paniculato-ramosissima, undique glanduloso-pubescens,
foliis linearibus sublanceolatisve integerrimis, capitulis numerosis ad apices ramulorum solitariis,
ligulis 5, floribus disci cirea 15, receptaculo undique paleaceo, acheniis omnibus epapposis.—
Santa Clara.

Caules e basi perenni plures, erecti, 1-2 pedales, ramis virgatis paniculato-ramosissimis. Pubes brevis
glanduloso-viscosa, graveolens, in caule ramis foliis involucrisque copiosa, pilis nonnullis brevibus rigidulis
Siccis preesertim in parte inferiore plantz intermixtis. Folia radicalia in speciminibus detrita, conferta, elongata et
subpetiolata ; caulina inferiora pollicaria, basi dilatata, semiamplexicaulia ; ramealia multo minora, ultima sub
capitulis 2-3 lin. longa, sparsa vel vix sub capitulis conferta. Capitula in ramulis ultimis brevibus foliatis
solitaria paniculam formant amplam irregulariter corymbosam ; singula ovoideo-subglobosa, magnitudine H.
fasciculate. Involucri squame 5, uniseriales, liber, ovali-oblongz, acutiuscul, discum subequantes, virides,
dorso glanduloso-pubescentes, marginibus involutis scariosis achewnia radii semi-includentes. Palew receptaculi
cuneato-oblong, membranacw, apice ciliato-hirte, exteriores inter ligulos et flores disci ultra — -
cupulam connate. Ligule 5, tubo brevissimo lato villoso, lamina lata profunde trifida, lacinia media
angustiore. Flores disci sepissime 15, subinfundibuliformes, glabri, tubo tenui, limbo siiesonaate Antheree
oblong, fuscee, appendice ovata. Styli rami breves, cono hispido superati, Acheenia obovato-compressa,

nigra, levia, areola laterali. :
103. Maparta corymbosa, DC.—Torr. et Gr. Fl. N. Amer. 2. p. 404.—Santa Clara:
104. Amaurta rotundifolia, gen. nov. Madiearum.—San Quentin. eee ied
Cuar. Gey. Capitulum multiflorum, radiatum, ligulis foemineis, floribus disci hermaphroditis,
fertilibus. Involucri squame subbiseriales, lineares, exteriores glutinose, interiores ecarioen. ‘Re-
ceptaculum planum, epaleaceum. Anthere ecaudate. Styli rami subulati, acuti, fere a basi
hispidi, stigmatis seriebus fere ad apicem extensis. Achzenia oblongo-linearia, tetragona, com-

pressiuscula, calva.

Species unica: A. rotundifolia. Suffrutex ? humilis, undique pube fusca piandploso-viscoswemin copes:
Caules erecti, semipedales vel paulo altiores, apice laxe corymboso-ramosi. Folia inferiora opposita, superiora

32 BOTANY OF THE VOYAGE OF THE SULPHUR.

alterna, petiolata, orbiculata, inciso-dentata vel lobata, lobis dentatis, basi late cordata, trinervia, utrinque
viscosissima ; floralia in ramis corymbi pauca, parva, subsessilia, ovata, dentata. Corymbus oligocephalus, ramis
dpice monocephalis, inferioribus elongatis. Capitula hemispherica, vix semipollicem diametro, iis Hemizo-
niarum multiflorarum subsimilia.. Squamee involucri exteriores flores disci subaquantes, margine subscariosee,
dorso viscoso-pubescentes, interiores fere omnino scariosee, omnes acutiuscule. Corolle radii cirea 20, tubo
dense glanduloso-hispido, ligula 4 lin, longa apice tridentata, styli ramis glabris. Corolle disci numerose, fere
ad apicem dense glanduloso-hispide, dentibus 5 brevibus. Styli rami exserti, longi. Acheenia radii et disci
conformia, nigra, acutangula, ad angulos minute subglanduloso-serrulata, czeterum glabra.

Although the number of genera of Composite with radiate heads, without
chaff on the receptacle or pappus to the acheenia, be but very few, this plant does
not agree with any of them, and the structure of the style being as it were inter-
mediate between that of the Vernoniacee and of the Senecionidee, it is difficult to
place it. The general appearance is that of some Asteree, but the lower leaves
are opposite, and the involucre, flowers, and style are very nearly those of the
Hemizonia. The receptacle being entirely free from chaff, does not agree with
the technical character of the Madiee, yet, on the whole, it appears to be amongst
them, and next to Hemizonia, that the genus should be placed.

105. Acute millefolium, Linn.—Torr. et Gr. Fl. N. Amer. 2. p. 409.—San Francisco.
106. Artemisia pachystachya, DC.—Torr. et Gr. Fl. N. Amer. 2. p. 422.—Bodegas.

Certainly the same as the plant gathered by Douglas, upon which De
Candolle established his 4. pachystachya. 1 find, however, in these specimens,
as well as in Douglas’s, more or less of long white hairs on the hermaphrodite
florets. All the specimens are too young to ascertain whether these florets are
fertile or not, but they certainly appear to me to be infertile ; and it is matter of
great doubt whether the species be not referable to the A. pyenocephala (DC.
Torr. et Gr. l. c. p. 416), gathered by Chamisso in the same locality as Douglas’s
Specimens.

107. Artemisia vulgaris, Linn.—Torr. et Gr. Fl, N. Amer. 2. p- 421.—Santa Clara.

108. Gyaruatium Sprengelii, Hook. et Arn.—Torr. et Gr. Fl. N. Amer. 2. p- 427.—San
Francisco. }

109. Gnapuauium palustre, Nutt.—Torr. et Gr. Fl. N. Amer. 2. p- 427.—San Francisco.

110. Trrxis frutescens, P. Br—DC. Prod. 7. p. 68.—Bay of Macdal i
: ; Br, : - p. 68.— ena.—A tropical genus,
of which this appears to be the northern limit. : . te aes

11. STEPHANOMERTA virgata, sp.n., caule erecto elato virgato paniculato, capitulis secus ramos
fasciculatis 8-10-floris, achzeniis tuberculoso-rugosis.

: ales 2S -podales vel altiores, teretes, striati, crassiusculi, glabri, intus cavi, ramulis floriferis numerosis
Virgatis paniculati. Folia inferiora desunt, superiora linearia vel lineari-lanceolata, apice subulata, acuta, inte-

- Serrima vel prope basin argute inciso-dentata, glabra. Capitula in ramulis brevissimis 2-3-cephalis secus
ae pacsiouns Seacioulata, sabecesilia, floribus seepius 10. Involucra 3 lin. longa; squame interiores sepius 5,
oblongo-lineares, acutiuscule, virides, extus squamellis bracteolisve pluribus brevibus suffulta, Ligule rosew,

CALIFORNIA. 33

involucro paullo longiores. Acheenia anguste oblonga, leviter incurva, apice truncata, tetragona, tuberculis
numerosis rugosa, glabra. Pappi setee achenio subduplo longiores, numerose, nivee, elegantissime
plumosee,

A very pretty species when recent, with numerous small pinkish flowers.

ERICACER.

112, Arsutus Menziesii, Pursh.— DC. Prod. 7. p. 582.—San Francisco.

There were two varieties found, one quite smooth, with the leaves nearly
entire, the other with a few hairs on the branches and petioles, and the leaves
more serrate ; neither were in flower, but both apparently belong to this species.

OLEACER.

113. Fraxinus latifolia, sp. n., petiolis villosulis, foliolis 5, lateralibus sessilibus late ovato-
ellipticis, terminali obovato, omnibus integerrimis supra glabris subtus pilosulis, samaris elongatis
angustis emarginatis.—San Francisco.

Pubes e pilis patentibus mollibus sparsis constans, in petiolis ramulisque junioribus copiosa, in pagina
inferiore foliorum rarior, precipue in venis et marginibus sita. Petioli usque ad foliolum terminale 4-6 poll.
longi, angulati. Foliola lateralia in folio adulto 23-3 poll. longa, 2 poll. lata, obtusa cum acumine brevissimo,
basi rotundato-cuneata, membranacea, penninervia ; terminale 3-34 poll. longum, 23 poll. latum, basi in petiolo
angustatum. Flores non vidi. Panicule fructiferee infra folia fasciculate, foliis breviores, parce ramose,
pedicellis ultimis 3 lin. longis. Calyx sub fructu persistens, dentatus, et fructus grossificatione fissus. Samare
pars seminifera 7-8 lin. longa, subcylindrica ; ala 9-10 lin. longa, vix 3 lin. lata, apice profunde emarginata.
Species /’. pubescenti affinis videtur, sed foliorum forma et pube diversa,

APOCYNACEZ.

114. VaxreEsta dichotoma, Ruiz et Pav. Fi. Per. ii. p. 26. t. 151.—Precisely similar to the
South American specimens.

ASCLEPIADIACEE.

115. Merastetma californicum, sp. n., (Plate XVIIL) glabrum, caule filiformi volubili, foliis
ovato-oblongis breviter acuminato-mucronatis, basi rotundato-subcordatis, pedunculis subnullis,
pedicellis glabris, corolla laciniis ovatis intus incano-papillosis, coronz staminez foliolis lanceolatis
acutiusculis gynostegium sessile paullo superantibus, stigmate planiusculo.—Bay of Magdalena.

M. parvifloro simile. Folia brevius mucronata et basi seepius late subcordata. Flores paullo minores.
K

34 BOTANY OF THE VOYAGE OF THE SULPHUR.

My friend M. Decaisne, who has described the Asclepiadiacez in the eighth
volume of De Candolle’s Prodromus, has kindly examined this and the following
species, both of which he has pronounced to be new. He has also furnished me

with accurate drawings of the minute parts of the flower, which have been copied
into the accompanying plate.

Plate XVIIL. fig. 1, bud; fig. 2, expanded flower; fig. 3, anther seen from outside, a, leaflet

of the corona; fig. 4, anther seen from inside, 6, terminal membrane of the anther, c, cells;
fig. 5, pollen mass; all magnified.

116. SarcostemMa arenarium, sp. n., volubile, ramis puberulis, foliis lineari-spathulatis acutulis
carnosulis utrinque aveniis pube brevissima inspersis, pedunculis folium vix equantibus multifloris,
corollz laciniis patulis ciliatis extrorsum calycibusque pubescentibus, introrsum atro-violaceis papil-
losis, corona staminea exteriore integra, interioris foliolis gynostegium vix equantibus. (Decaisne

MSS).—Bay of Magdalena.

Caules elongati, crassitie Convolouli arvensis, teretes vel compressi, virides, striatuli, juniores praesertim
sub nodis adpresse puberuli, ceeterum glabri. Folia 1-1 poll. longa, 1-2 lin. lata, apice breviter acutata, basi
longuiscule angustata subpetiolata ; floralia minora. Pedunculi floridi 6-9 lin. longi, axillares, apice umbellatim
12-15 flori, pedicellis tenuibus 4-5 lin. longis. Flores illis Gomphocarpi fruticosi paullo majores. Calyx
5-partitus, laciniis brevibus lanceolatis dense hispidis. Corolla patula, laciniis latis obtusis, crassiusculis, extus
hirsutis, intus glabriusculis. Corona staminea gynostegio paullo brevior.

PoLEMONIACEE.

= 117. Gr1a capitata, Dougl. in Bot. Mag. t. 2698.; forma humilis, hinc inde puberula.—
egas,

118. Grit pharnaceoides, Benth. in Bot. Reg., sub tab. 1622.—Santa Clara.

CoNVOLVULACE.

119, Jacquemontta abutiloides, sp. n., humilis, undique molliter et dense tomentosa, foliis late

ovato-cordiformibus acutis, pedunculis folio longioribus capitato-3-5-floris, sepalis ovato-lanceolatis
acuminatis exterioribus paullo majoribus.—Bay of Magdalena.

— exnipeaalens = pedalem, in speciminibus suppetentibus non volubilis ; ramuli tamen apice Jeviter
flexuosi et forte in solo pinguiore volubiles evaderent. Ramuli, petioli, foliorum utraque pagina, pedunculi
et sepala — — denso molli ferrugineo-flavescente vel subcanescente, e pilis substellatis intertextis
constanite. Petioli mferiores laminam quant, superiores multo breviores. Folia majora vix pollicaria,
crassiuscula, venis primariis subtus prominulis, acuta vel vix mucronulata. Pedunculi omnes folia superant.
post anthesin bipollicares, apice flores ferunt tres vel rarissime quinque, subsessiles ad axillas bractearum Ba:
subulatarum. Sepala omnia basi angustata vel rotundata nec cordata, multo minus quam in J.
ineequales. Corolla fere J. violacew. Styli lobi oblongo-elliptici, divaricati, supra undique stipe

violacea

CALIFORNIA. 35

Although Choisy unites to the J. violacea the Convolvulus canescens of Hum-
boldt and Kunth, as a tomentose variety, yet I cannot but consider that the plant
now described must remain distinct, although the chief differences are the
same as those which Kunth relied upon for his C. canescens, but in a much
greater degree. The appearance of the plant is very dissimilar to that of any
form of J. violacea I have seen. The form of the leaves, and especially of the
sepals, are also different from those of the common J. violacea.

120. CuscuTa patens, sp. n., cymis paucifloris laxiusculis, calyee pentagono laxe campanulato,
laciniis latis obtusissimis, corolla: urceolato-globose laciniis brevibus obtusis, filamentis anthera
brevioribus, squamis ovatis fimbriatis conniventibus.—Bay of Magdalena,

Caules filiformes, tenuissimi, implexo-ramosissimi, squamis perpaucis parvis. Cyme 3-5-flore,
irregulares, pedicellis flore brevioribus. Flores quam in C. epilino paullo majores, 5-meri vel rarius 4-meri.
Calyx laxe et late campanulatus, patens, ut in C. pentagono, Engelm. angustatus, tenuiter membranaceus, non
. verrucosus, lobis latissimis tubo multo brevioribus. Corolla tenuiter membranacea, tubo subgloboso calyce
paullo longiore, ore contracta ; lacinie tubo duplo breviores, erecto-patentes, ovate, obtuse. Anthere in
sinubus fere sessiles; filamenta tamen in tubo corolle evidenter decurrunt usque ad squamam. Ovarium
globosum. Styli breves, inclusi, apice capitato-stigmatosi. Capsula corolla persistente inclusa, abortu seepius
monosperma, in speciminibus tamen maturam non vidi.

The calyx of this dodder is like that of C. pentagona, described by Engel-_
mann in the London Journal of Botany, but the flowers are much larger, the
Jobes of the corolla shorter and more obtuse, and the filaments and styles shorter.
The specimens are large, much matted, and full of flower, but there are no
traces of the plant on which they grew, unless it be an Jpomea (unknown
to me), of which there are some fragments in the mass, but not enough to
characterise it.

HybDROLEACER.

121. Erropictyon crassifolium, gen. nov., dense tomentoso-villosum, foliis crassis oblongis
dentatis basi angustatis supra canescentibus subtus ramisque rufescentibus, floribus villosis, corolla

calycem vix superante.—San Diego.

Cuar. Gen. Calyx 5-partitus, persistens. Corolla tubulosa, limbo parvo subpatente. Si
inclusa. Ovarium uniloculare, placentis 2 parietalibus in medio ovario bifidis inter se liberis vel vik
coherentibus pluriovulatis. Styli 2, a basi distincti, apice capitato-stigmatosi. Capsula debiscentia
4-partita, (incomplete dicocca, coccis bipartitis,) partitionibus oligospermis.—Frutices Californici,
undique vel in pagina inferiore foliorum tomentosi. Folia alterna, integra, inferiora vel Connie
dentata, basi in petiolum angustata, penninervia, venulis crebre reticulatis: eubtus prominulis.
Cyme terminales, 2-3-chotome ramose, ramis subscorpioideis, floribus numerosis sessilibus.

E. crassifolium. Frutex dense foliatus, ramulis subteretibus, pube densa rufescente vestitis. Folia 2-24

36 BOTANY OF THE VOYAGE OF THE SULPHUR.

poll. longa, 6-10 lin. lata, acutiuScula, grosse et subqualiter dentata, ba lougingcule angustata et os
gerrima, crassa, rigida, utrinque dense tomentoso-villosa, supra canescentia, subtus reGaniato-renoee et pin
minus presertim juniora rufescentia. Cyme breviter pedunculate, ramis 2-3-chotomis divaricatis, ultimns
breviter scorpioideis. Flores sessiles. Calycis lacinie lineares, hispide, 2 lin. longee. Corolla extus et tus
sub insertione staminum hispida, calyce sublongior, tubo ampliato et ut videtur en leigacnine contracto, et
tamen corolle que in specimine unico supersunt plus minus monstruose sunt, et varie taiato-deformates. basse
lacinie parvee, obtuse, erecto-patentes, intus glabree. Stamina 5, ineequalia, inclusa ; filementa brevia, hirsuta ;
antheree glabree, ovate, loculis parallelis. Ovarium villosum. Styli gisbriusoult, eorpiiam subeoqusnte,
Fructus calyce inclusus, conicus, villosus, secedit in valvulas seu semicoccos (vel si mavis nuces incomplete

clausas) 4, consistentia dura fere ossea, quibus margo altera inflexa semina fert 2-3 ovoidea, testa castanea
striato-rugosa, albumine subcarnoso, embryone recto.

A Californian genus consisting now of three species, one of which has been
figured by Hooker and Arnott under the name of Wigandia? californica (Bot.
Beech. p. 364, t. 88). It is there observed how very unlike that plant is to the
South American Wigandia, but it was supposed that in the absence of the fruit
no essential distinctive characters could be found to remove it from that genus.
Choisy, however, in his monograph of Hydroleacee, observes that Wigandia,
however distinct in habit, only differs from Hydrolea in the shape of the corolla
and the exserted stamens, and in both these respects Wigandia differs also from
these Californian plants. Thus, even if the difference in the conformation of the
"fruit should not prove so striking in Douglas’s plant as it is in our Eriodictyon

crasstfolium, still the characters derived from the flower are sufficient to maintain
the genus now established. I regret much that in the only specimen I have seen
of this E. crassifolium (in Mr. Barclay’s collection), the corollas are all more or
less deformed, apparently by the effect of some insect, so that it is impossible to
ascertain its precise form. Even the fruits are not in so satisfactory a state as
could have been wished. The two other species, which I refer to Eriodictyon, are

both from Douglas’s collection, and are in excellent flower, but not yet in fruit.
They may be characterised as follows :—

‘EB. tomentosum, undique niveo-vel subflavescenti-tomentosum, foliis ovali-oblongis dentatis basi angustatis,
supremis oblongis vix dentatis, cymis pedunculatis densis, floribus villosis, corolla calycem vix excedente.—
Folia paullo latiora quam in E. crassifolio. Flores numerosissimi, multo minores,

E, glutinosum, ramis glabriusculis, foliis lanceolatis vix dentatis basi angustatis supra glabris glutinosis

subtus albo-tomentosis, floribus parce hirtis, corolla calyce 2-3-plo longiore.— Wigandia californica, Hook.
et Am. l. c.

HypDRoPHYLLACER.

122, PHace.ta circinnata, Jacq.—Hook. et Arn. Bot. Beech. p- 374.—San Pedro.
123. Puaceuia distans, sp. n., scabro-pubescens vel hispida, foliis pinnatisectis, segmentis

CALIFORNIA, 37

+

oblongis lanceolatisve obtusis pinnatifidis, calycis laciniis obovatis oblongisque obtusis inzequalibus
viridibus hispidis, staminibus corollam vix superantibus.—Bodegas.

Hine P. ciliate, hine P. ramosissime affinis, ab utraque tamen distincta. Planta humilis, divaricato-
ramosa. Foliorum segmenta plurima, infima a caule et inter se distantia, superiora approximata, suprema
interdum confluentia; inferiora 6-7 lin. longa, ad medium pinnatifida lobis obtusis subdentatis, utrinque
hispida, juniora subtus subcanescentia. Spice densiflore, circinnate, demum pluripollicares. Pedicelli
brevissimi, Calyces floriferi 2 lin. longi, sepalo exteriore late obovato obtusissimo, interioribus angustioribus,
omnibus tamen obtusis dense hispidis. Corolla P. ramosissime ; genitalia breviora.

BoraGINER.

124. Corp1ia (Varronia) angustifolia, Roem. et Schult. Syst. v. 4. p. 460.—Bay of Magdalena.
—An imperfect specimen, but apparently identical with the West Indian plant.

125. Hexiorroprum eurassavicum, Linn.—Reem. et Schult. Syst. v. 4. p. 32.—Common on the
sea coast throughout California.

126. Myosotts californica, Fisch. et Mey. Ind. 2. Sem. Hort. Petrop. p. 42.—San Pedro.

The leaves are rather broader, and the flowers perhaps a little larger than in
the specimens raised from seeds received from Dr. Fischer, but in every other
respect precisely the same. Probably the M. Scouleri adverted to by Hooker and
Arnott (Bot. Beech. p. 370), belongs also to the same species.

PEDALIACER.

127. Marrtynta altheefolia, sp. n., foliis alternis cordato-ovatis sinuato-3-7-lobis, calyce obliquo
5-lobo antice fisso corolla tubo plus duplo breviore, staminibus fertilibus quatuor.— Bay of
Magdalena.

Herba rudis, diffusa, more generis hispida et viscosa, bis terve dichotome ramosa, et in axillis foliorum
ramulis brevibus preedita. Folia omnia alterna vidi; caulina in petiolo 2-4-pollicari 1-1}-pollicaria, obtusissima,
irregulariter sinuato-crenata vel in lobos breves latos divisa, basi profunde cordata, crassa et utrinque viscosissimo-
puberula pilisque paucis presertim novella hispida, basi 3-7-nervia, nervis tamen venisve ob consistentia folioram
vix aut non prominentibus; folia ramulorum multo minora, ovata vel suborbiculata. Racemi ad apices ramorum
breves. Pedunculi pauci, inter se distantes, 2-3 poll. longi, hispidi, singuli ad axillam bractee minute
squameeformis solitarii, uniflori. Calyx, forma M. proboscidee sed multo minor, vix enim 6 lin. longus,
hirsutus, basi bracteolis duo ovatis vix 2 lin longis appressis instructus. Corolle tubus 12-13 lin. longus,
puberulus, basi decurvus, superne ampliatus, minus tamen quam in M. proboscidea ; limbi lacinie breyes, late,
patentissimee. Stamina inclusa, didynama; anthere per paria leviter coherentes, lineares, divaricato-biloculares.
Stylus staminibus longior, lobis divaricatis obovatis obtusissimis supra undique stigmatosis post anthesin
conniventibus. Drupa oblonga, rostro neglecto 2 poll. longa; rostram 4 poll. longum, incurvum, apice
subhamatum, acutum. Cortex spongiosus, ferrugineus, villosus, demum basi cireumscissus, secedens in valvulas
2, diutius a cornubus putaminis dependentes. Putamen coriaceo-sublignosum, drupe conforme sed postice et

L

38 BOTANY OF THE VOYAGE OF THE SULPHUR.

antice serie duplici dentium longitudinaliter armatum, rostro mox in cornua 2 divaricata fisso, et maturitate
usque ad basin in valvulas 2 dehiscens ; dentes per dehiscentiam ad margines valvulorum alternatim persistunt,
postici 3-4 lin. longi, duri, sublignosi, apice dilatati et sceepe breviter lobati, supremum utriusque valvule in
rostrum productum brevius tamen quam cornu terminalis valvule ; dentes antici minores, omnes erostres.
Fructus intus unilocularis; placentee 2, medio valvularum longitudinaliter adnate, basi simplices steriles
anguste, supra basin bifido-dilatatee usque ad parietes fructus utrinque attingentes et ibidem utrinque
seminiferse, dissepimenta formant spuria fructum dividentia in loculos 5 omnes seminiferos, quorum 4 inter
placentas et parietes fructus, quintum in medio fructu inter placentas sita. Semina cujusve placente circa 15,
infima pendula, cetera plus minus transversa, omnia obovoidea, testa spongiosa rugosa, albumine nullo.

Embryo membrana tenui inclusa, cotyledonibus carnosis plano-convexis obovatis, radicula brevissima ad hilum
spectante.

The fruit of Martynia is described by Endlicher (Gen. Pl. p. 724) and
others as 4-locular, with a perforate axis, which can scarcely be considered as
organically correct, or yet in conformity with the apparent structure. It is,
strictly speaking, unilocular, and most clearly so in the lower part of the fruit ;
but in the upper part it is distinctly divided into five cells, all of them
containing seeds, for the parietal placente of the ovarium bear ovules both on
their inner and outer edge, some of which are matured in the space intervening
between the two placente, designated by Endlicher as a perforate axis. Gzertner,
who has very accurately figured the fruit of M. proboscidea (Carp. v. 2, t. 10),
correctly denominates this space a fifth spurious cell, although he terms it empty
(inanis), whereas he certainly represents it (fig. c.) as bearing seeds, as I have
also found to be the case. The perforate axis of some Verbenacee, sometimes
designated as a third cell, is very different, being really an empty space inter-
vening between two perfectly closed carpella.

The species now described is probably near M. triloba, Cham. and Schlecht.
a Mexican plant unknown to me, but of which the description does not agree
with our plant either in the form, texture, or position of the leaves. The J. pro-
boscidea differs again in the form and proportion of the calyx and corolla, the

form of the leaves, and the absence of any crest or teeth on one side of the

putamen of the fruit, as well as the want of the horn to the upper tooth on the
other side.

ACANTHACER.

128. Beto cali: * 7 . .
we ‘ : pectin” ifornica, sp. n., ramulis pubescentibus, foliis petiolatis ovatis vel ovato-
ceolatis basi truncatis vel late cordatis utrinque breviter puberul

| be aes ekg is, racemis brevibus terminalibus,
bracteis minutis, bracteolis lineari-subulatis calyce brevioribus
>

i . ie ie corolle fu slab: .
Superiore emarginato inferiore apice breviter trifido.—Cape San Lucas profunde bilabiatz labio

— ramosus, paucifoliatus, ramulis albidis teretibus, junioribus subflavescenti-pubescentibus. Folia

CALIFORNIA. 39

pleraque pollicaria, seepius triangularia vel cordato-ovata, obtusa vel plus minus acuminata, crassiuscula,
mollia, paucivenia, petiolo 3-6 lin. longo. Racemi 1-2-pollicares, simplices vel subramosi, in paniculam
pyramidatam dispositi. Flores oppositi, subsessiles. Calyces puberuli, 24 lin. longi, sepalis lineari-lanceolatis
acutis, postico paullo minore, Corolla 13-14 lin. longa, glabra; tubus superne paullo ampliatus; labia tubo
eequilonga, angusta ; superius concavum, apice emarginatum, erectum ; inferius erecto-patens, superne paullo
dilatatum et breviter et obtuse trilobum. Stamina 2, corolla paullo breviora. Antheree loculi connectivo
latiusculo disjuncti, paralleli, altero minore altius affixo mutico, altero majore basi mucronato. Ovarium basi
sterile, paullo contractum, stipitiforme, superne biloculare, loculis biovulatis. Capsulam non vidi.

SOLANACER.

129. Soranum (Leprophora) Hindsianum, sp. n., undique tomento denso stellato subleproso
flavicans, aculeis rectis, foliis ovato-vel oblongo-lanceolatis obtusis integerrimis, pedunculis lateralibus
brevibus 1-3-floris, corolle extus floccoso-tomentose lobis latissime ovatis——Bay of Magdalena.

Frutex divaricatus, ramulis teretibus. Aculei sparsi, recti, acerosi, in ramulis seepe 2-3 lin, longi, in
petiolis calycibusque parvi, rari. omentum oculo nudo subleprosum, sub lente stellatum, multo densius quam
in S. elwagnifolio et S. leproso, in ramulis rufescenti-flavicans, in foliorum pagina inferiore albido-flavescens,
interdum micans, in pagina superiore laxius, viridi-flavescens, in floribus subfloccosum. Folia longiuscule petio-
lata, pleraque 1}-2-poll. longa, prope basin 6-9 lin. lata, margine plana, integra, basi rotundata truncata
vel rarius subcordata seepe ineequalia, juniora in axillis breviora obtusiora. Peduculi laterales, brevissimi,
vulgo triflori. Pedicelli floriferi 2-3 lin. longi. Calyx turbinato-campanulatus, 5-angulatus, dentibus
acuminatis mollibus tubo suo per anthesin brevioribus, post anthesin acutis. Corolla circa pollicem diametro ;
laciniz. vix ad medium limbi separate, 6 lin. late, obtusee cum mucronula parva. Pedicelli fructiferi paullo
elongati. Calycis fructiferi lacinie lanceolate, 5-6 lin. longee. Bacca globosa, 4-5 lin. diametro, Semina
orbiculata, plana, nitida, immarginata.

Allied on the one hand to the Peruvian and Chilian S. leprosum and eleagni-
folium, but with a coarse and thicker tomentum, and differently formed leaves and
corolla, and on the other to a Texas plant (n. 266 of Drummond’s 2nd Collection),
which is probably as yet unpublished, but this appears to be scarcely shrubby, it
is almost unarmed, has the leaves sharper and usually undulate or sinuate, the
peduncles longer, &c., than in our plant. The S. obtusifolium of Humb. and
Kunth, a Mexican species unknown to me, is also probably nearly allied, but the
description does not quite agree with ours in several respects, especially as to the
form of the corolla.

130. Soranum nigrum, Linn.—San Francisco.

131. Paysaxts glabra, sp. n., perennis, glaberrima, caulibus elongatis prostratis, foliis crassiusculis
ovato-lanceolatis obtusis sinuatis vel obtuse subtrilobis hastatisve, floribus parvis immaculatis, calyce
fructus subgloboso pentagono glabro, dentibus parvis conniventibus.—Cape San Lucas.

Caules e radice crassa perenni numerosi, 2-3-pedales, dichotome ramosi, tenues, subangulati, virides,
nitiduli. Folia sepius gemina, altero majore et longius petiolato; majora 6-9 lin. longa vel rarius sub-

40 BOTANY OF THE VOYAGE OF THE SULPHUR.

pollicaria, superiora multo minora, pleraque lanceolata, obtusa, basi ovato-dilatata. — solitarii, pedicellis
gracilibus 6-8 lin. longis. Calyx per anthesin 1} lin. longus, inflato-campanulatus, basi intrusus, glaber, mem-
branaceus, viridis, dentibus brevissimis. Corolla latiuscule campanulata, 3 lin. longa, basi attenuata, glabra,
margine obsolete denticulata. Stamina corollam subeequantia. Calyx fructifer 6-7 lin. longus, valde inflatus,
glaber, membranaceus, baccam globosam omnino includens. Semina numerosa, orbiculata, plana.

132. Puysauis crassifolia, sp. n., perennis, junior minute canescenti-puberula demum glabrata,
caulibus prostratis, foliis crassis ovatis undulatis sinuatisve, floribus immaculatis, calycis puberuli
dentibus per anthesin vix tubo brevioribus.—Bay of Magdalena.

Specimen unicum vidi nondum fructiferam, P. glabro affine quidem, at distinctum foliis latioribus et

presertim floribus majoribus puberulis, calycis dentibus longioribus patentibus. Flores fere P. hygrophile
Mart. sed folia et habitus diversa.

The small thick leaves give the above two species a different aspect from
that of any other Physalis I am acquainted with.

133. Lycrum brevipes, sp.n.,spinosissinum, glabrum, foliis caneato-oblongis subobovatisve obtusis,
floribus subaxillaribus brevissime pedicellatis solitariis, calyce campanulato 5-dentato, corolla infun-
dibuliformis limbo 5-fido subpatente, genitalibus inclusis——Bay of Magdalena.

Rami breves, divaricati, ramosissimi, ramulis spinescentibus numerosis brevibus basi sepius foliatis.
Folia 4-6 lin. longa, solitaria vel rarius fasciculata, basi in petiolum angustata, in speciminibus Hindsianis
1-1} lin, lata oblonga, in Barclayanis 2 lin. lata fere obovata, crassiuscula, obsolete uninervia. Pedicelli
solitarii, calyce breviores. Calyx vix linea longior, anguste campanulatus, crassiusculus, viridis, glaber, dentibus

5 subeequalibus lanceolatis acutis. Corolla 5 lin. longa, tubo basi tenui superne in limbum campanulatum
5-fidum dilatato, laciniis ovatis subpatentibus. Bacca parva, polysperma.

A scrubby looking shrub, apparently allied to L. horridum, Humb. et Kunth,
and to L. chilense, Bert.; but, besides the shortness of the pedicels and the
smaller flowers, the corolla is less tubular than in L. horridum, and much more so

than in L. chilense. The specimens are not, however, perfect enough for a com-
plete description of the flower and fruit.

ScROPHULARIACER.

134, Scropuutarta nodosa, Linn. var. Californica.—S. californica, Cham. Linnea. 2. p. 585.—
San Francisco.

135. AnTIRRHINUM (Orontium) cyathiferum, sp. n., (Plate XIX.) humile, erectum, viscoso-
pubescens, foliis petiolatis ovatis vel supremis oblongis vel lato-lanceolatis puberulis, floribus axillari-
bus, calycis laciniis tubo corolla multo brevioribus.—Bay of Magdalena.

Herbs annua, semipedalis, a basi ramosa, tota pube viscidula vestita. Folia alterna vel ima opposita,
longiuscule petiolata, majora_pollicaria, superiora gradatim minora, omnia integerrima. Flores brevissime
pedicellati, fere in omnibus axillis nascentes, Calyx florifer 1} lin.

: ; longus, segmentis linearibus parum
ineequalibus viscoso-pubescentibus. Corolla 4 lin. longa, fere A. Orontii.

Capsula fere A, Asarine, depresso-

CALIFORNIA. 41

globosa, subdidyma, parum obliqua, loculis subeequalibus poro irregulari dehiscentibus. Semina iis A. Orontii
subsimilia sed majora, cyatho faciei interioris majore profundiore.

A very remarkable species, as being closely allied to our A. Orontium in
inflorescence, flowers, and seed, and with that species alone (including its variety
A. calycinum) forming a distinct section in the genus, but abundantly charac-
terised as a species by the foliage and capsule.

Plate XIX. fig. 1, flower; fig. 2, corolla cut open; fig. 3, anther ; fig. 4, style; fig. 5, capsule ;
fig. 6, side view of the seed; fig. 7, front view of the seed; fig. 8, embryo and albumen; all mag-
nified.

136. Mavranpia juncea, sp. n., erecta, glabra, ramis junceis ramosissimis rigidis, foliis paucis
parvis oblongo-linearibus, pedicellis brevibus oppositis, corolla tubulose palato prominulo piloso.—
From San Diego to the Bay of Magdalena.

Habitus Russelie equisetiformis. Caules erecti, elati, crassiusculi, ramulis numerosis oppositis vel ternatim
verticillatis erectis strictis, supremis paniculatis. Folia opposita vel ternatim verticillata, vix unquam
semipollicaria, crassa, integerrima, superiora minuta squameeformia. Flores versus apices ramulorum pauci, per
paria inter se distantia dispositi, vel interdum ternatim verticillati. Pedicelli flexuosi, vix semipollicares,
Calycis laciniz vix 14 lin. longee, lato-lanceolate, acute, glabra, crasse. Corolle tubus 8 lin. longus, rectus
et subeequalis, basi leviter gibbus, extus viscidulus; labia brevia, superius erectum, bifidum, inferius patens
trifidum, palato prominulo at faucem non claudente. Stamina corollam subeequantia, Antherarum loculi

divergentes. Stylus superne paululum incrassatus, integer. Capsula ovoidea, 3-4 lin. longa, loculis eequalibus
apice dentibus circa sex dehiscentibus. Semina numerosa, profunde rugosa et tuberculoso-subechinata, iis

M. Barclayane similia.

This plant is, at first sight, so very unlike the Maurandie in cultivation, that it
seems unnatural to associate them in the same genus, but the characters derived
from the flowers and fruit are the same, and the Maurandia stricta, Hook. et Arn.,
is an intermediate species in habit. The genus altogether is perhaps too closely
allied to Antirrhinum, in which also very great dissimilarities in habit may be
observed, as for instance between A. Orontium and A. Asarina.

VERBENACEX.

137. Verbena lasiostachys, Link.— Hook. et Arn. Bot. Beech. p. 156 et 383.—Santa Clara.

These specimens are certainly identical as to species with Douglas's, referred
to by Hooker and Arnott, and also with others from the Berlin Garden, where

the species was originally described.
138. VERBENA paniculata, Lam.—Hook. Fl. Bor. Amer. 2. p. 117.—San Francisco.

There is little doubt that this plant, as suggested by Hooker, as well as the
M

42 BOTANY OF THE VOYAGE OF THE SULPHUR.

V. polystachya, Humb. et Kunth, from Mexico, should be united with V. has-
tata, Linn.

LABIATE.

139. Hypris (Umbellaria) laniflora, sp. n., (Plate XX.) fruticosa, junior minute cano-tomentosa,
mox glabrata, foliis petiolatis late ovatis acutis grosse dentatis basi cuneatis truncatisve crassiusculis
glabris, cymis umbelleeformibus longe pedunculatis paniculatis, bracteis minutis setaceis, calycibus

breviter pedicellatis tubuloso-campanulatis longe et dense albo-lanatis, dentibus zequalibus subulatis.
—Cape San Lucas.

Frutex divaricato-ramosus, ramis teretibus glabris, cortice albido levi. Ramuli juniores tetragoni, tomento
tenui mox evanido canescentes. Folia 6-12 lin. longa, longiuscule petiolata, vix longiora quam lata, rigidula,
venis parum conspicuis, juniora tomento tenuissimo canescentia, adulta glaberrima vix punctata, superiora
sub panicula multo minora, floralia suprema in panicula minima, Pedunculi axillares vel supra-axillares,
filiformes, rigidi, pollicem circiter longi, glaberrimi, nitidi. Cymz ad apices pedunculorum in umbellulam vel
fere in capitulum contractee, 8-12-flore, rarius brevissime dichotome. Bractese vix conspicue. Pedicelli
ineequales, 1-3 lin. longi, albolanati. Calyces 4 lin. longi, lana nivea molli densissima et longa immersi,
dentibus vix tubo brevioribus. Corolle tubus calycem vix eequans, glaber, lacinie limbi 4 superiores ovate,
obtuse, eequales, extus breviter lanate, infima ut in omni genere stipitata, stipite incrassato abrupte deflexo,
lamina saccata extus breviter lanata. Antheree ovato-reniformes, loculis confluentibus. Gynophorum crassum,
hine glandula auctum ovarii lobulis dimidio breviore. Stylus apice breviter bifidus, lobo postico obtuso
apice stigmatoso, inferiore subdilatato intus et margine stigmatoso, Carpidia oblonga, obtusa, glabra, nuda,

plurima seepius abortiva. Semina exalbuminosa. - Cotyledones crassiuscule basi emarginatze. Radicula
brevis recta.

The genus Hyptis, consisting of above two hundred species from the warmer
regions of America, and more especially from the Brazilian territories, is remark-
able as well from the great diversity of habit, foliage, inflorescence, and calyx
observable in different species, as by the constancy of the essential characters
derived from the corolla and stamens. But amongst all the various forms
hitherto observed, the present species is at once distinguished by the long thick
snow-white wool which envelopes the flowers, whilst the rest of the plant is per-
fectly smooth. Its nearest affinity is perhaps with H. tomentosa, Poit., but it

differs so much in aspect, even from that one, that, without examining the corolla,
one would hardly place it in the same genus.

Plate XX. fig. 1, flower; fig. 2, corolla; fig. 3, the same cut open; fig. 4, anther; fig. 5, calyx

cut open, shewing the style ; fig. 6, ovary; fig. 7 porti - a
; fig. 7, upper portion of the style; fig. 8 dium ;
fig. 9, seed; fig. 10, embryo; all magnified. siete Ngee mee

140. Monaspetis — =p: n» (Plate XXI.) caule basi procumbente, foliis ovatis obsolete
crenatis ramisque villosis, verticillastris dense globosis magnis solitariis, bracteis exterioribus ovatis
foliaceis villosis, calycibus tubulosis elongatis subaqualiter dentatis.—Bodegas.

CALIFORNIA. 43

Caules basi lignosi. Rami breves, adscendentes, ramosi, pilis patentibus villosi. Folia fere Calaminthe
Nepete, breviter petiolata, semipollicaria vel paullo longiora, obtusa, cuneata, margine recurva, venoso-rugosa,
utrinque hirsuta. Pedunculi terminales, verticillastro vel capitulo coronati ultra pollicem diametro, flores con-
tinente fere 100 sessiles. Bracteze sessiles, exteriores foliis similes, interiores minores. Calyces 4 lin. longi,
medio paullo ampliati, basi attenuati, membranaceo-foliacei, extus hirsuti, 13-nervii, dentibus 5 brevibus
erectis vel demum patentibus, ore intus nuda. Corolle tubus calycem vix superans; limbi tubo equilongi
labium superius bifidum, inferius tripartitum, laciniis omnibus elongato-linearibus. Stamina exserta, diver-
gentia. Antherarum loculi demum divaricati. Carpidia ovoidea, obtusa, glabra, nuda.

This species has the habit of the three North Californian ones already
described, but is very distinct in the form of the leaves, and in the hairiness.

Plate XXI. fig. 1, flower; fig. 2, calyx laid open, showing the style; fig. 3, corolla laid open ;
fig. 4, anther; fig. 5, ovary; fig. 6, upper part of the style.

141, Micromerta Douglasiit, Benth. Lab. Gen. et Sp. p. 372.—San Francisco.
142. Sracuys ajugoides, Benth. Lab. Gen. et. Sp. p. 545,—Santa Clara.
143. Stacuys Macrei, Benth. Lab. Gen. et Sp. p. 545.—San Francisco.

PLUMBAGINES.

144, Armerta vulgaris, Willd. var—A. humilis, Link.—Ebel. Prod. Armer. p. 28.—Bodegas.
145. Statice Limonium, Linn.—Santa Clara.
Found frequently on the eastern and western coasts of North America, as

well as on the Chilian and South Brazilian coasts, and always apparently the
same as our common European S. Limonium.

NyYCTAGINE.

146. Borrnaavia polymorpha, A. Rich.—Hook. et Arn. Bot. Beech, p. 308.—Bay of Mag-
dalena.

This is a perfectly smooth form, common on the western coast of tropical
America, in the South Sea Islands, &c., and probably the same as B. mutabilis,
Br., as well as the several Linnean and other species included by A. Richard
under the above name; but the limits of the species in this difficult and most
uninteresting genus are far from being as yet ascertained.

147. Apronra arenaria, Menzies in Hook. Exot. Fl. t. 193.—Bodegas to the Bay of f Mag-
dalena.

148. Apron1a wmbellata, Lam.—Hook. 1. ¢. t. 194.—Common in the sands near the sea, from
the Oregon to the Bay of Magdalena.

44 BOTANY OF THE VOYAGE OF THE SULPHUR.

149. Apronta gracilis, sp. n., pubescenti-vicosa, foliis ovatis oblongisve obtusissimis sinuato-
lobatis.—Bay of Magdalena.

A. umbellate affmis quidem, sed distincta videtur eaule petiolis pedunculisque multo gracilioribus, et
preesertim foliis tenuibus omnibus obtusissimis, et margine utroque in lobos 2-4 latos breves obtusissimos inciso.

150. Oxyparuus levis, sp. n., glaberrimus, foliis petiolatis cordato-ovatis, involucro unifloro,
perigonio florido paullo breviore, staminibus 5 exsertis.—Bay of Magdalena,

Folia et habitus fere O. glabrifolii, sed undique, etiam in inflorescentia, glaberrimus. Caulis basi albidus.
Folia longiuscule petiolata, inferiora sesquipollicaria, late cordata, obtusiuscula, integerrima vel vix sinuata,
crassa, enervia, cujusve paris sepius eequalia; superiora minora, angustiora, acutiora, sessiliora, Flores ad apices
ramulorum pauca, Involucrum calyciforme, breviter pedicellatum, 3-4 lin. longum, profunde 5-fidum, laciniis
lanceolatis acutis valde ineequalibus. Flos sessilis, tubo subgloboso, fauce constricta; limbus late campanulatus,
4 lin. longus, brevissime 5-lobus. Stamina 5, ad faucem inserta, distincta, corolla longiora. Ovarium in fundo
tubi inclusum. Stylus exsertus, apice crasse capitato-stigmatosus. Fructus non vidi.

In the generic character of Oxybaphus, it is usual to give the number of

stamens as three, but they vary from two to five in this as well as in some other
Nyctagineous genera.

151. Aruionta (Wedelia) malacoides, sp. n., hirsuta, foliis ovatis sinuatis, involucro triphyllo
trifloro.— Bay of Magdalena.

Caules e radice perenni plures, tenues, ramosi, pedales vel longiores, pilis albis subviscosis hirsuti. Folia
opposita, cujusve paris valde ineequalia, fere Hrodii malacoidis, majora semipollicem ad pollicem longa, obtuse et
obscure sinuato-lobata vel rarius subintegerrima, apice acuta vel obtusa, basi rotundata seepius inzequilatera,
utrinque viridia et hirsuta, peliolo 2-6 lin. longo. Folium alterum ejusdem paris triplo quadruplove minus.
Pedunculi axillares, 3-6 lin. longi, monocephali, in racemos axillares foliatos breves dispositi. Involucri foliola
ovata, hirsuta, 2 lin. longa. Flores involucro breviores, sessiles. Perigonii tubus brevis glaber ; limbus
obovoideo-inflatus, hirtus, ore obliquo, dentibus 4 brevibus conniventibus. Caryopsides involucro paullo

breviores, ovoidew, glabra, dorso convexe leves, facie interna cyathiformes, marginibus inflexis dentatis.
Semen perfectum non vidi.

PoLyGoneEz.

152. PrenostEcta macroptera, sp. n., ramulis junioribus cano-tomentosis, foliis obovatis spathu-

latisve apice obtusis integerrimis, involucro fructifero maximo hyalino reticulato dorso late bialato
apice obsolete trilobo,—Bay of Magdalena.

Caules tenues, rigiduli, dichotome ramosi, ramulis junioribus pube’ brevi incanis, demum glabratis rubes-
centibus, ad nodos tumidulis. Folia opposita, membrana angustissima su

é aR beonnata, exstipulata, 4-6 lin. longa,
obtusa, integerrima, basi in petiolum brevissimum contracta, crassiuscula, subcarnosa, enervia vel vix basi

uninervia. Pniyokases — sessilia, diphylla, uniflora, florida rubida vix lineam’ longa, foliolis late
reniformibus apice obtusissime sinuatis vel obscure rotundato-trilobis, basi trinerviis, nervis mox in rete venarum
ramosissimum anastomoeantibus. Flos brevissime stipitatus. Perigonium profunde sexfidum, laciniis oblongo-
linearibus obtusis, interioribus ut primum paullo minoribus, post anthesin omnibus subeequalibus, . Stamina sex ?

CALIFORNIA. 45

anther tamen in omnibus quos examinavi floribus etiam inapertis delapsee vel destructe:, et nil inveni nisi
filamentorum reliquias breves ad basin laciniarum perigonii insertas, | Ovarium brevissime stipitatum, trigonum.
Styli tres breves, divergentes, apice capitato-stigmatosi. Ovulum erectum, Involucri fructiferi foliolum
intimum 4-5 lin, longum, 6-7 lin. latum, tenuiter hyalino-membranaceum, reticulatim rubrovenium, margine
obscure sinuato-trilobum, ceeterum obtusissimum et integerrimum, facie undulato-concavum fructum includens,
dorso in alas 2 ineequales foliolo ipso textura consimiles excrescens. Foliolum exterius involucri in speciminibus
fructiferis deest. Perigonium fructiferam immutatum, Caryopsis 2 lin, longa, trigona, utrinque acuta. Semen
caryopsidi conforme, leeve et opacum. Albumen farinosum. Embryo excentricus, ratione seminis majusculus,
cotyledonibus suborbiculatis planis, radicula supera.

A much stronger and stiffer plant than the very delicate P. drymarioides,
and remarkable for the large involucres which surround the seed, coloured and
veined something like those of a Bougainvillea. Each leaf of the involucre, both
in this and the P. drymarioides, is evidently formed of the union of three, the
contiguous margins of which expand into the dorsal wings or crests from whence
the generic name is divided, thus assimilating the whole involucre to the usual
hexamerous arrangement in other Eriogonee.

153. Ertoconum parvifolium, Sm.— Benth. Trans. Soc. Linn. Lond. 17. p. 411.—San
Francisco.

154. Ertoconum fasciculatum, Benth. 1. c. p. 411.—San Pedro.
155. Ertoconum Jatifolium, Sm.—Benth. 1. c. p. 412.— Bodegas.

156. Ertoconum cinereum, sp. n., suffruticosum, caule ramoso basi foliato, foliis ovatis vel ovato-
oblongis supra fuscis subtus albido-cinereis cauleque tomentosis, petiolis basi vix dilatatis nudis,
pedunculo nudo elongato apice ramoso, capitulis lateralibus terminalibusve, involucris in capitulo
3-6 sessilibus campanulatis multifloris villosis, bracteolis plumosis demum exsertis, perigonio villo-
sulo.—San Pedro.

Suffrutex habitu EH. oblongifolio affinis, perigonio villoso facile distinctus, Caules ramosiores, altius
foliati. Tomentum breve, undique cinereum, in pagina inferiore foliorum albidum, in pagina superiore et
caulibus fuscescens. Folia seepius in axillis fasciculata, majora pollicaria, obtusa, margine subrevoluta et plus
minus undulato-crispa, basi rotundato-cuneata, subtus prominule penninervia, petiolo 2-4 lin. longo.
Pedunculus pedalis, apice dichotome ramosus, pleiocephalus. Bractew ad ramificationes parve, lanceolate.
Capitula magnitudine 2. oblongifolii, bracteis paucis minimis suffulta. Involucra 2 lin. longa, anguste
campanulata, extus tomentosa, dentibus 5-6 brevibus obtusis ineequalibus. Flores in involucro ultra 20.
Pedicelli glabri, involuerum sequantes. Bracteole setaceee, plumose, per anthesin involucrum sequantes, demum
exserte. Perigonium fere 2 lin. longum ; acini oblongo-lineares, uninervie, obtuse, margine colorate, dorso
preesertim exteriores molliter villosa. Filamenta basi breviter pilosula. Ovarium glaberrimum. Styli tres,
divaricati. |
A very distinct species, allied in general habit and inflorescence to EH. ob-
longifolium and E. latifolium, and in the downy flowers and colour of the tome~
tum to E. longifolium. Ce

157. Ertoconum elongatum, sp. n., perenne ? foliis caulinis petiolatis oblongo-lanceolatis supra

N

46 BOTANY OF THE VOYAGE OF THE SULPHUR.

arachnoideis subtus albo-lanatis, bracteis brevibus appressis, involucris secus ramos solitariis sessilibus
lanatis apice truncatis multifloris—San Pedro.

Affine E. dichotomo. Caulis pars inferior et folia infima mihi desunt. Rami in speciminibus suppe-
tentibus bipedales, stricti, rigidi, basi fasciculato-ramosi, lana arachnoidea demum decidua albicantes. Folia ad
ramificationes inferiores bipollicaria, basi in petiolum brevem angustata. Pedunculi seu rami floriferi pedales,
semel vel bis furcati. Bractese opposite vel ternatim verticillate, 2 lin. longw, basi connate, lanceolato-
subulate, rigide, appresse. Involucra in quoque ramulo 5-9, inter se longe distantia, 3 lin. longa, tubuloso-
campanulata, extus tomentosa, apice truncata et integra vel obscure et obtusissime 6-dentata, Flores in involucro
ultra 30. Pedicelli glabri, graciles, involucro subdimidio longiores. Bracteole setacew, parce plumose,

pedicellis breviores. Perigonium glabrum, quam in Z. dichotomo minus, laciniis cuneato-oblongis. Filamenta
basi vix breviter ciliata. Ovarium glaberrimum. Styli tres, divaricati.

158. Extoconum gracile, sp. n., annuum, erectum, foliis petiolatis ovatis oblongisve cauleque
albo-lanatis, pedunculis gracilibus virgatis dichotome ramosis superne glabris, involucris parvis secus
ramos sessilibus solitariis subglabris breviter sexdentatis multifloris.—San Pedro.

Herba gracilis, virgato-ramosissima, semipedalis ad pedalis, lana subarachnoidea in foliis et parte inferiore

caulis densa, summitatibus omnino glabris. Folia sub ramis inferioribus fasciculata, semipollicaria, longiuscule

petiolata, margine undulato-crispa; ad ramificationes superiores minora, ovata, sessilia.
floriferi tenues, fere filiformes, rigiduli, glabri vel basi laxe et tenuiter lanati, Bractese parve, lanceolato-

subulate, appressee. Involucra vix lineam longa, siccitate nigricantia, dentibus brevibus erectis obtusiusculis.
Flores in involucro ultra 20. Pedicelli glabri, exserti.
breviores.

Pedunculi seu rami

Bracteole tenuiter setacee, subplumose, pedicellis

Perigonium ? lin. longum, glabrum, laciniis exterioribus late obovatis, interioribus oblongis.
Filamenta et ovarium glabra. Styli tres, divaricati.

Allied to E. vimineum, but the flowering branches are much more slender,
and the involucres and flowers scarcely more than kalf the size.

159. Ertoconum intricatum, sp. n., (Plate XXII.) annuum, foliis subradicalibus rosulatis longe
petiolatis suborbiculatis viscoso-pubescentibus, pedunculo scapiformi divaricato-ramosissimo gla-

berrimo, ramulis dense fasciculatis, involucris minimis sessilibus solitariis multifloris, bracteolis
obovato-vel cuneato-oblongis.—San Bartolomé.

: Folia omnia ad basin caulis conferta, rosulata, pube viscosa non albicante vestita, semipollicem longa et
lata, crassiuscula, obtusissima, margine undulato-crispa et subcrenata, petiolo usque ad pollicem longo hirto basi
dilatato. Ramus florifer seu pedunculus scapiformis semipedalis usque ad bipedalis, undique glaberrimus,
nitidus, siccitate nigricans, basi breviter erectus, dein divaricato-ramosissimus ; rami ad quemque nodum
numerosissimi, dense verticillato-fasciculati, alii breves subsimplices,

: : alii plus minus elongati, pariter et repetite
fasciculato-ramosi. Ramuli ultimi tenues, rigiduli, ad nodos subarticulati. Bracteole minute, patentes.

Involucra ad nodos et secus ramulos ultimos distantia, solitaria, sessilia, 2 lin, longa, campanulata, ineequaliter
et obtuse dentata, ultra-12-flora. Pedicelli glabri, involucrum. breviter superantes. Bracteole obovate vel
spathulato-oblonge, exteriores latiores, interiores angustiores, involucrum breviter superantes, apice dorso
puberule. Perigonium vix } lin. longum, laciniis cuneato-oblongis obtusis glabris vix ineequalibus. Stamina
perigonio subbreviora, glabra. Ovarium glabrum, Styli tres,

A very remarkable species, differing from all others in the total want of
: white wool even on the radical leaves,

ev the curious fasciculate ramification, the
excessive minuteness of the flowers, an

d the form of the bracteole.

CALIFORNIA, 47

Plate XXII. fig. 1, involucre ; fig. 2, separate flower and bractea; fig. 3, portion of the perigon
laid open ; fig. 4, ovary; fig. 5, fruit enclosed in the persistent perigon; fig. 6, separate fruit; all
magnified.

160. Rumex erispus, Linn.—San Pedro.
161. AntiGonon leptopus, Hook. et Arn. Bot. Beech, p. 308. t. 69.—San Lucas,

This curious genus, established by Endlicher, and placed by him next to
Brunnichia, is in fact closely allied to that genus, although some slight inaccu-
racies or imperfections in the descriptions published have induced C. A. Meyer,
in his arrangement of Polygonacee, to doubt even whether it should belong to
the same order. The habit and inflorescence, the number and portion of the
floral organs, the peculiar insertion of the ovule, and the structure of the seed in
all essential points, are the same in Antigonon and Brunnichia, and characterise,
in a marked manner, the small tribe of Brunnichiee. The chief generic distinc-
tions between the two plants are,—Ist. The folioles of the perigon in Brunnichia
are nearly equal, more or less connate usually to about the middle, (though never
perhaps so high as figured by Gertner,) and their midrib is decurrent on the
pedicel, one of them very broadly, the four others but slightly ; whilst in Anéz-
gonon the outer folioles are cordate, and very much larger than the inner ones,
and all are free nearly to the base and not decurrent. 2nd. The filaments in
both genera proceed from a membranous disk or cup, which in Brunnichia is
entirely adherent to the perigon, in Antigonon adherent at the base only and
then free, but not so much so as represented in the figure above quoted. 3rd.
Both genera have the ovule suspended to a free funiculus, which as the fruit
grows, retains its original dimensions, so as to force the seed into an erect posi-
tion; the seed is large, of a pyramidate oval shape, the embryo slightly excen-
trical, with large flat cotyledons, and a conspicuous radicle directed to the apex
of the fruit, the whole imbedded in a copious mealy albumen, deeply divided by
longitudinal furrows; but in Brunnichia this albumen is divided to near the
middle into about six lobes separated by furrows, to which correspond narrow
false dissepiments projecting from the inner surface of the pericarp (as in some
species of oak and walnut); whilst in Antigonon the lobes of the albumen are
deep, numerous, irregular, sinuate and lobed, and closely appressed to each other,
resembling in some respects the so called ruminated albumens, and the pericarp is

perfectly smooth inside.

48 BOTANY OF THE VOYAGE OF THE SULPHUR.

CHENOPODIACEZ.

162. Ostons Barclayana, sp. n., monoica? procumbens, incana, foliis inferioribus obovatis
obtusis, superioribus oblongis acutiusculis, omnibus mucronulatis integerrimis, bracteis fen
suborbiculatis indurato-incrassatis margine dentatis extus farinoso-incanis nudis vel cristula duplici
minima instructis—Bay of Magdalena.

Planta tota albido-subfarinosa. Rami elongati, procumbentes. Folia inferiora fere pollicaria, late vel
anguste obovata, basi in petiolum longiusculum angustata, superiora minora, angustiora, forma variabilia,
suprema vix 3-4 lin. longa, utrinque acuta. Flores in axillis glomerati, masculi in specimine perpauci imperfecti,
feeminei in quaque axilla 3-5. Bracteee fructiferee vix lineam longe et late, extus farinoso-incane et
subspongios, intus indurato-cartilagines leves, se invicem arcte appressee et fere ad apicem vel demum
omnino coalite, margine dentate, dente terminali majore, basi angustate et integerrime, dorso convexe,
uninervie et basi nunc cristula vel dente duplici onuste, nunc nude. Pericarpium tenuissimum, hyalinum.
Stylus fere ad basin bifidus. Semen verticale, testa brunnea tenui, embryone annulari.

163. OBtonE microcarpa, sp. n., monoica, procumbens vel divaricata, pusilla, incana, foliis
ovalibus oblongisve obtusis integerrimis basi vix angustatis, bracteis demum suborbiculatis indurato-
incrassatis margine dentatis extus farinoso-incanis nudis vel cristula duplici minima instructis.—San

Diego.

Planta vix semipedalis, divaricato-ramosa, junior albido-farinosa, ramis tamen demum denudatis. Folia
subsessilia, 2-3 lin, longa, 1-14 lin. lata, obtusa et rarius mucronulata, uninervia, basi rotundata vel cuneata.
Flores in axillis glomerati, masculi plures, foeminei pauci. Perigonium in masculis 5-partitum, laciniis lineari-
oblongis. Stamina 5. Bracteee femines fructiferee vix semilineam longe, ceterum iis 0. Barclayane haud
dissimiles. Dentes proportione minores et cristule rariores.

The above two species, perfectly distinct from each other, are, however, both of
them probably allied to O. parvifolia Moq. Tand. Mon. Chenop. p. 73, or Atriplex
parvifolia, Humb. and Kunth; the O. Barclayana comes nearest in the size of the
fruit, but both differ in the perfectly entire leaves, and the ripe bractezee com-
: pletely adherent to each other in their cartilagineous inner margins, whilst Moquin
places the O. parvifolia in his first section, with the bracts free in the upper part.
Kunth’ Ss ‘description i is, however, not explicit in this respect.

164. Ontonr tetraptera, sp. n., divaricato-ramosa, canescens, foliis lanceolato-vel oblongo-linea-
ribus obtusis integerrimis, bracteis ovatis apice paucidentatis fructiferis omnino coalitis Bee alis duo
quam bracteze ipse multo majoribus instructis—From the coast of California, probably San Diego.

Rami adsunt sesquipedales, duri, divaricato-ramosi, floribus foeminiis plerisque marcidis fructibusque
copiosis, inter quibus flores masculos nullos detexi. Folia majora pollicaria, 1-2 lin. lata, basi breviter angustata.
Flores in axillis dense glomerati. Bractem florifere anguste rhombee, acute, superne apertee et subdentate,
basi coalitee et longe attenuate. Stylus exsertus, ultra medium bifidus. Bractere fructiferee valde aucte,
ovate, fere 3 lin. longs, indurate, undique clausee, dorso uninerviee et ad utrumque latus nervi medii
longitudinaliter cristato-alatm, alis 3-4 lin. latis bractearum apicem longe superantibus membranaceis
reticulatis undulato-subcrispis margine dentatis, Semen verticale, maturum tamen non vidi.

Plate }].

Printed by C Hullmendel.

Plate 12.

Drawn. from Nature and on Stoneby Mifs Drake.

STEGNOSPERMA HALIMIFOLIA.

Plate 13

Drawn from Nature and on Stone by Mifs Drake,

aise re ne

‘PERITYLE CALIFORNICA.

Plate 14.

Printed by C. Hullmandel.

Drawn from Nature and on Stone by Mifs Drake.

Drawn from N

ature and on Stone by Mils Drake.

\ Printed by C.Hulmandel. :
/ } :
;

ACOMA

Emnated by C.Hulimandel.

CYATHIFERUM.

ANTIRRHINUM

Drawn from Nature and on. Stone by Mifs Drake
y

Jenn from Natixe and.on, Stone by Mifs Boake.

Pumted by C Hulimandel.

LANIFLORA.

CALIFORNIA. 49

This is a remarkable species, and the great expansion of the dorsal wings of
the bractez gives it a very different appearance from that of the other Obiones I
am acquainted with; yet, although I have seen neither male flowers nor the per-
fect seed, there appears no doubt of its belonging to the genus.

LAURACER.

165. OrropapPune californica, Nees ab Esenb. Syst, Laurin. p. 463.—Most common about the
Estrecho de Karquines, also on Angel Island.

A very handsome tree, both bark and leaves are highly aromatic even in the
dried state, with nearly the odour of our common Bay-tree (Laurus nobilis).
The berry is about the size of a damson plum, but the specimens are not in a
state to show the size of the cup if any.

EUPHORBIACER.

166. PepILaNnTHus macrocarpus, sp. n. (Plate XXIII. A,) ramulis brevibus carnosis articulatis,
foliis parvis ovato-lanceolatis carinato-subplanis, capsula maxima coccis bicornutis.—Bay of
Magdalena.

Frutex tripedalis, ramosissimus. Ramuli breves, crasso-carnosi, dichotomi, teretes, ad nodos constricti,
internodiis 6-9 lin. longis, 2-4 lin. diametro. Folia opposita, sessilia, tenuiter carnosa, 3-4 lin. longa, plana vel
leviter carinata, acuta, basi parum angustata. Pedunculi terminales, breves, recurvi. Involucrum pollicare,
calceiforme, basi turbinatum, ore contracto obliquo obtuse bilobo, hine ad medium fissum, ovario e fissura exserto,
illine productum in saccum breviter tricuspidatum, supra usque ad orem involucri triplicatum et lamina auctum
lanceolata, biloba, e basi sacci orta, et in plicas arcte appressa, glandulas sex basi intus fovente. Glandule in
involucro nulle. Bracteolse setaces, breves, exteriores extra flores masculos basi subconnatee ; interiores circa
florem foemineum pauce. Flores masculi ultra 30, exteriores involucro breviores, interiores ex ore involucri
breviter exserti. Pedicelli glabri, supra medium articulati. Flos foemineus solitarius, pedicello basi valde in-
crassato. Stylus superne attenuatus, apice breviter recurvo-trilobus, lobis emarginatis supra stigmatosis.
Capsula carnosa, plus pollice diametro, stylo acuminata, coccis singulis deorsum in cornua duo conica productis.
Semina globosa.

Plate XXIII. A, fig. 1, involucre cut open, showing the male flowers and the peduncle of the
female flower; fig. 2, male flower and bractea; fig. 3, female flower; fig. 4, vertical section of the
fruit ; fig. 5, transverse section of the fruit; all magnified, except the fruit.

167. Eurnorsta californica, sp. n. (Plate XXIIL. B,) fruticosa, nodoso-carnosa, glabra, foliis
petiolatis parvis ovatis obtusis integerrimis complicatis, involucri dentibus exterioribus late orbiculatis
membranaceis glandula magna depressa, interioribus parvis conniventibus bifidis, capsula glabra
leevi.—Bay of Magdalena. :

oO

50 BOTANY OF THE VOYAGE OF THE SULPHUR.

Fratex 2-3-pedalis, ramosissimus, ramulis lignoso-carnosis subaphyllis, ultimis crassis vix pollicaribus.
Folia perpauca, carnosula, vix 2 lin. longa. Pedunculus crassus, 1 lin. longus. Involucrum campanulatum,
limbo plano 8 lin. diametro, laciniis exterioribus margine membranaceis, interiorum lobis fimbriatis. Flores
masculi numerosi. Capsula subcarnosa, 3 lin. diametro. Stylus ad medium sexfidus.

Plate XXIII. B, fig. 1, involucre laid open ; fig. 2, male flowers; fig. 3, single male flower and
bractea ; fig. 4, female flower ; fig. 5, seed ; all magnified.

168. Evpnorsra polycarpa, sp. n., annua, glaberrima, basi verticillato-ramosa, ramis diffusis
dichotome ramosissimis teretibus, foliis sub verticillo cuneato-oblongis, ramorum oppositis oblique
obovato-orbiculatis integertimis basi subcordatis, capitulis parvis pedicellatis, summis fasciculatis,
involucri dentibus exterioribus petaloideis integris involucro ipso zequilongis, fructibus leevibus vel ad
carpellorum dorsum punctulato-scabris, seminibus levibus albidis —Bay of Magdalena.

Rami ad apicem caulis brevissimi, simplices vel ab ipsa basi numerossimi, fasciculato-subverticillati, in-
wquales, gracillimi, Jeeves, repetite et ineequaliter dichotomi vel ad nodos inferiores subfasciculato-ramosi, usque
ad 6-9 poll. longi, Folia sub verticillo perpauca, obtusissima, integerrima, basi angustata, 2-4 lin. longa.
Folia ramealia 1-3 lin. longa, Stipule parvee, ovate, acute, integra vel apice laceree, ad folia inferiora oblite-
rate. Capitula quam in FZ. chamesyce minora. Appendices petaloidece involucri majores albze vel rosex,
glandula depressa integra ; dentes interiores breves, acuti. Capsula vix semilineam longa.

This little plant is near our E. chame@syce, and also probably to E. calli-
trichoides, Humb. et Kunth, but differs in several points from both. The petaloid
appendages are much larger and more conspicuous than in E. chamesyce.

169. Evrnorsta serpens, Humb. et Kunth? Nov. Gen. et sp. v. 2. p. 52.— Folia omnia

integerrima. Squamee petaloidez involucroram parum conspicue, integra vel obsolete trilobe.
Semina albida, lavia.—San Pedro.

170. Evruorsta leucophylia, sp. n., herbacea, stipulata, a basi dichotome ramosa, undique
albo-lanata, foliis oppositis subsessillibus orbiculato-cordatis argute dentatis, capitulis terminalibus
aggregatis, involucri dentibus exterioribus petaloideis latis integris vel crenatis involucro ipso

equilongis, capsula pilosa, seminibus albidis levibus.-—Cape San Lucas.

= erin semipedalis, ut videtur annua. Rami crassiusculi, teretes, pilis mollibus albidis dense lanati.

Stipules minute, ovate, Folia 3-4 lin. longa et lata, crassiuscula, basi cordata, margine cartilagineo ineequa~
Titer vel subduplicato-dentata, utringue vel preesertim in pagina inferiore tomento niveo vestita, Capitula ad
apices eens in glomerulum congesta, Involucra turbinata, tomentosa; dentes exteriores petaloidei ? lin.
longi, 1 Tin. lati, glandula elliptica integra, Capsule quam in £. pilulifera majores, pilis laxis vestitee.

hee EvrHoneta Magdalene, sp. v., fruticosa, stipulata, divaricato-ramosa, glaberrima, foliis
oppositis petiolatis obovato-oblongis obtusis vel emarginatis integerrimis, capitulis axillaribus
alaribusque solitariis parvis, involucri dentibus exterioribus petaloideis obovato-orbicularibus vix
involucro brevioribus, capsulis glabris levibus, seminibus albidis leevibus.—Bay of Magdalena.

Rami teretes cortice albido. Ramuli : ee
She ooni Reece Sek : uli fere angulo recto divergentes, oppositi vel seepius abortu solitarn,
48h ereseg | reves, late, mox obliterate. Petioli brevissimi. Folia 3-5 lin. longa,

2-23 lin, icelli i i
+t lin tata. Pedicelli breves, pauci. Inyolucra vix semilinea longiora, turbinata, levia. Squame peta-
cides conspicue, albee. Glandule parve, integree, Capsula semilineam longa.

CALIFORNIA. 51

There are but very few flowers on the specimens, and several of the involucres
are converted by the prick of some insect into red tubular processes, not unlike
the calyx of a Cuphea.

172. EvpHorsta misera, sp. n., fruticosa, exstipulata, ramis glabris tortuosis, foliis perpaucis
obovato-orbiculatis crassiusculis viridibus, capitulis in ramulis nodiformibus 1-2 sessilibus, involucri
dentibus exterioribus petaloideis subdentatis glandula sua vix latioribus, capsula majuscula punctato-
puberula,—San Diego and San Quentin.

Frutex habitu Mozinnis accedens, Rami tortuosi, subaphylli, cortice laxiusculo pallido, Ramuli breves,
nodiformes, hinc inde folia ferunt perpauca, 2-4 lin. longa, breviter petiolata, viridia, utrinque minute puberula,
Involucra lineam longa; dentes exteriores quinque, squameformes, orbiculati, margine petaloidei, colorati, basi
late glanduliferi ; dentes interiores breves, inflexi. Capsulam unicam vidi immaturam, axi jam plus linea longa,
styli lobis bipartitis.

173. Evpnorsia Hindsiana, sp. n. (Plate XXIV.) fruticosa, exstipulata, glaberrima, foliis
sparsis petiolatis obovato-orbiculatis retusis crassiusculis pallidis penninerviis, cymis terminalibus
oligocephalis, involucri dentibus exterioribus amplis dentatis, capsula magna levi, seminibus
obovoideo-globosis albidis foveolatis.—Cape San Lucas.

Frutex ramis crassis subtortuosis divaricatis, junioribus levibus. Folia ramealia alterna, majora pollicem
fere longa et lata, basi subcuneata vel rotundata, crassiuscula, subcarnosa, nervo medio et venis utrinsecus 3-4
subtus immersis et subpurpurascentibus ; petiolo 2-3 lin. longo ; floralia opposita, similia sed minora. Cyme
foliis breviores, semel bisve irregulariter bifurcee, seepius aphylle, 4-8-cephale, pedicellis ultimis 2-3 lin.
longis. Involucrum magnitudine FZ. corollatew, hemisphericum ; dentes 5 interiores ovati, inflexi; 5 exteriores
petaloidei, 1 lin. longi, 13 lin, lati, plus minus trilobi vel dentati, glandulis majusculis integris, Flores masculi
numerosi, bracteis plumosis; fcemineorum styli rami bifidi, Capsula 3 lin. longa. Semina 2 lin. longa,
nequaquam angulata, hinc hilo lineari fusco notata.

Plate XXIV. fig. 1, head of flowers; fig. 2, involucre laid open; fig. 3, male flower and
bractea; fig. 4, fruit; fig. 5, seed; all magnified.

174. Evrnorsta eriantha, sp. n., herbacea, exstipulata, erecta, subdichotome ramosa, foliis
sparsis subpetiolatis linearibus serrulatis integerrimisque superioribus basi discoloribus, capitalis
terminalibus aggregatis, involucris incano-tomentosis, dentibus interioribus latis fimbriatis,
exterioribus subbrevioribus digitatim 7-11-lobis, capsula cano-tomentosa.—Bay of Magdalena.

Herba stricta, vix pedalis, ramis erectis fastigiatis. Folia caulina pauca, semipollicaria, lineam lata, apice
acuta et pauciserrata, vel interdum obtusa vel emarginata et integerrima ; basi in petiolum 1-2 lin. longum onde
gustata ; floralia plurima, approximata, caulinis longiora longius petiolata et basi albida, ceterum ea
Capitula plurima ad apices ramorum subsessilia. Involucrum lineam longum. Styli rami tres, simplices.
Capsula 2 lin. longa. Semina nondum matura in sicco foveolata.

175. Acatypua californica, sp. n., fruticosa, ramulis foliisque novellis tomentoso-puberulis
demum glabratis, foliis petiolatis late ovatis subcordatis crenatis, spicis axillaribus solitariis, aliis
feemineis 2-3-floris bibracteatis, aliis masculis vel subandrogynis brevibus ebracteatis.—Bay of

Magdalena.

Specimen adest unicum ramosissimum, lignosum, ramulis brevibus teretibus am
apicibus junioribus pube subflavicante tomentellis. Stipule lanceolato-setacee, —- ; Folia pollicaria ve
paullo longiora, acutiuscula vel obtusa, basi late rotundato-cordata, supra pilis paucis sparsis et subtus ad venas

52 BOTANY OF THE VOYAGE OF THE SULPHUR.

minute hirtella, caterum glabra, subtus nigro-punctulata, minute pellucido-punctata. Spicze axillares, fere
omnes petiolo breviores, Flores foeminei pauci, uno alterove inter bracteas duo reniformes crenatas 2-3 lin. latas
sessili, uno seepe pedicellato, ebracteato. Calix tripartitus, laciniis brevibus ovato-lanceolatis acutis. Capsula
echinato-rugosa, Spica mascule subsessiles, 4 lin. long, basi seepe flore foemineo ebracteato aucte.

176. Moztnna canescens, sp. n., (Plate XXV.) foliis petiolatis ovato-subrotundis integris
trilobisque utrinque tomento tenuissimo incanis.—Bay of Magdalena.

Frutex ramulis crassis divaricatis, junioribus tomento minuto incanis, ramis cortice albido obtectis.
Succus lacteus copiosus e partibus lesis expressus guttas reliquit in sicco atras. Folia 1-1} poll. longa, lon-
giuscule petiolata, obtusissima, basi cuneata rotundata vel subcordata, margine integerrima undulata vel sinuato-
triloba, crassiuscula, subtrinervia et obscure reticulato-venosa ; tomentum molliter subvelutinum etsi tenuissi-
mum, in pagina superiore canescens, in inferiore albidum. Flores dioici: masculi in axillis superioribus plures,
irregulariter cymoso-corymbosi, cymis tamen vix folia excedentibus. Bracteze ad ramificationes parve. Calyx
incanus, 13-2 lin. longus, 5-partitus, laciniis linearibus obtusis. Corolla urceolata, 3 lin. longa, breviter et
obtuse 5-loba, apice extus canescenti-tomentella. Columna staminea basi glandulis quinque oblongis apice
capitatis stipata. Anthere circa decem, irregulariter biseriales, ovate, crass, didymz, breviter stipitate. Flores
foeminei quam masculi rariores. Calyx et corolla maris vel paullo longiores. Ovarium sessile, glandulis quinque
brevibus latis retusis circumdatum. Stylus corolla brevior, apice breviter 2-3-lobus, lobis 2-3-fidis, laciniis
2-3 capitato-stigmatosis, ceteris (in specimine unico perfecto) nudis acutis. Fructus calyce persistente suffultus,
diametro fere pollicari, axi 6 lin, longa, coccis 2 vel 3, cortice subcarnoso, endocarpio durissimo.

Plate XXV. fig. 1, male flower; fig. 2, calyx; fig. 3, corolla cut open, and stamens; fig. 4,
female flower ; fig. 5, corolla cut open, and ovary; fig. 6, fruit; fig. 7, fruit with one cell laid open,
showing the seed; all magnified, except the fruit.

177, Henpecanpra procumbens, Eschsch.—Hook. et Arn. Bot. Beech. p. 389. t. 91.—From
San Francisco to Magdalena Bay, common.

178. Seropuyton lanceolatum, gen. nov. e tribu Crotonearum.—Bay of Magdalena.

Car. Gen. Flores monoici. Masculi: calyx 5-partitus, estivatione valvata. Corolla petala
5, xstivatione convolutiva, Glandule 5, petalis alterna. Stamina 5-10; filamenta in columnam
connata, apice breviter libera, verticillatim subbiseriata. _Anthere piloculares, introrsee, versatiles,
Flores foeminei: calyx 5-partitus. Corolle petala 5, parva vel rudimentaria. Glandula subnulle.
Ovarium, sessile, loculis uniovulatis. Styli 3, simplices, hirsutiicHerb erectee vel adscendentes,
pilis longis appressis plus minus yestite, pube stellata nulla. Folia alterna, integerrima. Spice
axillares, flore infimo foemineo, superioribus pluribus masculis. Bracter sub floribus singulis parvee.

: S. lanceolata, adscendens, ramosa, foliis subpetiolatis lanceolatis, spicis folio brevioribus, floris masculi glan-
dulis lanceolatis acutissimis.

Ramus in specimine unico sesquipedalis, adscendens, teres, undique pilis adpressis sericeo-nitentibus obtectus.
— 1-1} poll longa, 4-5 lin. lata, basi rotundata et petiolo brevi subtensa, acuta, integerrima, utrinque
viridia at pilis cano-sericeis obtecta, uninervia vel basi subtrinervia. Spice in axillis superioribus breviter
premnite, 3-6 lin. longe. Rhachis flexuosa. Bractex oblonge, patentes, 3 lin. longee. Flos faemineus
subseesilis. Sepala 2 lin. longa, lanceolata, acuta, utrinque et preesertim extus piloso-hirta, squalia, inte-
rm Petala sepalis dimidio breviora, linearia yel oblonga. Ovarium disco subglanduloso impositum, villo-
— Styli tres, filiformes, recurvo-patentes, hirsuti, acutiusculi, versus apicem stigmatosi. Flores
mneetne hn. subsessiles. Sepala 2 lin. longa, lineari-lanceolata. Petala oblongo-lanceolata, basi breviter sti-
pitata, apice acuta, pilis paucis ciliata, sepalis vix breviora. Glandule 3 lin. longe, e basi lata acutissime lan-

CALIFORNIA. 53

ceolatee. Columna staminea petalis vix brevior, antheris 8-10 breviter stipitatis ineequaliter biseriatis, Cap-
sula pedicello 2-3 lin. longo imposita, sericea, tricocea, axi vix 2 lin. longa.

I have seen but a single specimen, and that not so satisfactory a one as could
be wished, of this plant, but it is evidently distinct from any of the genera hitherto
enumerated amongst Crotonee, and has a habit very similar to that of two new
Texian species from the late Mr. Drummond’s collections, in which also the
same generic characters have been verified in excellent specimens. The following
specific diagnoses will serve to characterise them.

S. Drummondi, caulibus erectis strictis sericeo-pilosis, foliis sessilibus elliptico-oblongis ad venas pilosis,
spicis gracilibus multifloris folio multo longioribus, floris masculi glandulis linearibus glabris.—Texas, Drum-
mond, n. 245 of the 2d collection, and n. 317 of the 3d coll.

S. pilosissimum, caulibus erectis strictis appresse pilosissimis, foliis inferioribus obovatis subpetiolatis,
superioribus ovato-lanceolatis omnibus longe pilosissimis, spicis gracilibus multifloris folio multo longioribus,
floris masculi glandulis obovato-lanceolatis piloso-hirtis—Texas, Drummond, n. 263 of the 2d coll. and n. 322
of the 3d coll.

179. Eremocarpus setigerus, gen. nov. (Plate XX VI.)—San Pedro.

Cua. Gen, Flores monoici, in dichotomiis caulis fasciculati, masculi plures pedicellati, pedicellis
basi subcoalitis, foeminei 1-3, subsessiles. Flores masculi: calyx 5-partitus, estivatione valvata.
Corolla nulla. Stamina 7-10, disco communi centrali setoso imposita; filamenta libera calyce
longiora; anthere adnate, oblonge, biloculares, loculis longitudinaliter dehiscentibus. Flores
foeminei: calyx et corolla nulla. Ovarium stellato-pubescens, oblongum, uniloculare. Ovulum
unicum, ex apice loculi lateraliter pendulum. Stylus filiformis setosus simplex, apice uncinatus
glabrior, summo apice stigmatosus. Capsula obovato-oblonga, bivalvis. Semen nitidum. Albumen
carnosum. Radicula supera, linearis, Cotyledones radicule vix aquilongi, orbiculato-plani.

Species unica, J. setigerus.—Croton ? setigerus, Hook. Fl. Bor. Amer. v. 2. p. 141.—Herba annua,
humilis, graveolens, habitu fere Orozophora, undique pube stellata copiosa obtecta et setis longis rigidis
diaphanis plus minus hispida. Rami divaricati, 2-3-chotome ramosissimi. Folia alterna, vel ad ramificationes
gemina vel terna, longiuscule petiolata ; lamina pollicaris late ovata, obtusiuscula, subintegerrima, crassiuscula,
mollis, subtrinervis, basi cuneata vel rotundata. Glandule nulle. Folia superiora gradatim minora, floralia
suprema parva, bracteseformia, omnia tamen longiuscule petiolata. Flores in dichotomiis inferioribus pauciores
laxiores, in apicibus ramorum dense fasciculato-cymosi, foliis floralibus circumdati. Pedunculi masculorum
communes brevissimi, pedicelli calyce longiores vel breviores. Calycis laciniee pube rest se copiose
obtectee; lineam longe, oblongw, obtuse. Filamenta in centro floris calyce subduplo er ces basi sotoes,
cxterum glabra. Ovaria in fasciculis inferioribus breviter et crasse stipitata, in superioribus omnino sessilia.

This plant is remarkable amongst Euphorbiacee from the female organ being
constantly reduced to a single carpel, in other respects resembling the carpels of
which the Crotonee are composed. It has something the habit of the European
Crozophora tinctoria, and has, even in the dry state, a very strong disagreeable
smell. It was also found by Douglas on the north-west coast, as far as the
Columbia river, and from a very imperfect specimen was referred, in the Flora

P

54 BOTANY OF THE VOYAGE OF THE SULPHUR.

Boreali-Americana, with doubt to Croton, from which more perfect specimens
show it to differ in many important particulars.

Puate XXVIL. Fig. 1, fascicle of flowers containing one female and four male flowers; Fig. 2,
male flower; Fig. 3, anther; Fig. 4, ovary and style; Fig. 5, fruit; Fig. 6, seed; Fig. 7, section of
the seed, showing the albumen and embryo.

180. Evpnorpracea ?—A shrub found on the coast from San Quentin to the Bay of Magdalena,
always close to the sea, with opposite, coriaceous, entire, ovate leaves, and small heads of flowers on
very short peduncles, which may possibly belong to the Luphorbiacee, but the flowers on the
specimens found are all male, and only in very young bud.

CELASTRACER.*

181. Maytenvs phyllanthoides, sp. n., glaber, foliis petiolatis obovatis obtusissimis integerrimis
basi cuneatis crasso-coriaceis, floribus fasciculatis breviter pedicellatis.—Bay of Magdalena.

Frutex ramis crassis tortuosis, cortice cinereo. Ramuli teretes breves. Folia alterna, majora 10-12 lin.
longa, 6-8 lin. lata, basi in petiolum 2 lin. longum angustata, obsolete uninervia vel subpenninervia, sub lente
utrinque crebre et minute lepidoto-punctata, inferiora cujusve ramuli interdum ad squamulam minutam reducta.
Flores in axillis foliorum, vel ad nodos ramulorum annotinorum plurima, parva, fasciculata, pedicellis singulis
unifloris 1-14 lin. longis. Calyx brevis, cyathiformis, 5-dentatus. Petala patentia, ovata, obtusa, conca-
viuscula, 3 lin. longa. Discus orbiculato-depressus, margine undulatus. Stamina 5, petalis paullo breviora,
inflexa, antheris subglobosis bilocularibus longitudinaliter dehiscentibus. Ovarium disco semi-immersum tri-
loculare. Ovula in loculis solitaria, erecta. Stigmata tria, subsessilia.

JULIFLORA.

182—186. Sauices.—There are in the collection specimens of five species of willow, all from
San Francisco, and all Spparently different from any North American species I am acquainted with;
but sd they are in leaf only, it is useless to attempt to describe them so as to be afterwards

recognised,

— PLATANUS californicus, sp. n., foliis profunde 3-5-lobis, junioribus dense lanatis, lobis
acutis integerrimis paucidentatisque, amentis fructiferis stylis elongatis echinatis,—San Francisco.

A — onbietilates; vilgen, Folia juniora dense vestita lana in pagina superiore ferrugineo-flavida mox
sii ua Sa yi Pag albida diu persistente ; adulta 6-7 poll. longa, 7-10 poll. lata, sepius ultra medium
ta, basi subcordata, supra glabra, subtus plus minus Janata, lana laxa floccosa ; lobi ovato-lanceolati, dentibus

is brevissimis. Amenta i 0 3-4, fructifera F : : ‘ : :
i i is i nam in 2. oecide rsisten-
tibus 2 lin. longis insigniter echinata. ; ntali paullo minora, at stylis pe

* Omitted above, among Polypetale, where this order ought to have been placed.

CALIFORNIA. 55

This species was considered by Hooker and Arnott (Bot. Beech. p- 160 and
390) as the same as the P. occidentalis from the United States, commonly culti-
vated in Europe as the occidental plane, but the leaves of the latter, whether wild
or cultivated, are but slightly lobed and bordered with large irregular teeth be-
tween the lobes, the young leaves are much less woolly, and the Styles very
short.

188. Garrya elliptica, Doug].—Lindl. Bot. Reg. t. 1686.—Angel Island.

189. Myrica californica, Cham. Schlecht. Linnea. v. 6. p- 535.—San Francisco.

190. Myrica Gale, Linn.—The leaves in these specimens are larger, and the growth of the
whole branches more vigorous than is usual in the European plant, but I can perceive no other
difference.—San Francisco.

191. Quercus agrifolia, Nee.—Hook. Ic. Pl. t. 377.—San Francisco.

192. Quercus Douglasii, Hook.? Ic. Pl. t.383.—San Francisco.—A very imperfect specimen,
which may possibly belong rather to the following species.

193. Quercus Hindsii, sp. n., foliis submembranaceis petiolatis obovato-oblongis basi acutis
profunde pinnatifidis supra glabris subtus pallidis glabris puberulisve, lobis obovatis oblongisve ob-
tusis sinnatis, fructibus subsessilibus solitariis paucisve, cupula hemispherica dense squamosa,
squamis ovatis convexis breviter appendiculatis, glandula elongata oblonga subacuminata cupulam
3-4-plo superante obtusa cum umbone parvo conico.—San Francisco.

This oak is near to the Q. Douglasii, but the leaves are much deeper divided,
especially those of the sterile branches, which are much like the leaves of some
varieties of the common hawthorn; and the form of the acorn is very remarkable.
It is usually from 1} to 2 inches long, and scarcely half an inch in diameter in its
thickest part. There are some branches without fruit which have the leaves yet
more divided, and others with the leaves perfectly smooth underneath, but all are
apparently forms of one species.

ConIFERE.

194, Pinus insignis, Dougl. ?—The specimens are without cones, but appear to belong to this
species.— Monterey.

GRAMINEE.

195. Panicum californicum, sp. n., culmo erecto gracili glabro, foliis angustis acutis extus minute

puberulis, panicula stricta angusta, ramis racemiformibus alternis simplicibus, spiculis .
altera longius pedicellata, gluma exteriore minuta, interiore floreque neutro unipaleaceo pilis longis

villosissimis, flore hermaphrodito glabro—Bay of Magdalena.

56 BOTANY OF THE VOYAGE OF THE SULPHUR.

Habitu primo intuitu Panico Teneriffe accedit, panicula tamen non divaricata. Folia plana, ligula
longiuscula acuta. Panicula 2-3-pollicaris, ramulis pollicaribus erectis, Gluma exterior minuta, glabra,
interior undique pilis longis mollibus vestita. Palea floris neutri glumeformis, 1; lin. longa; margine pilis
longis mollibus densissime ciliata, dorso glabra. Palezw floris hermaphroditi cartilaginess, parum inequales,
acutiuscule, exterior apice leviter trinervis, interior binervis.

In venturing to add this as a new species to the overgrown, difficult, and
confused genus Panicum, it is on account of the peculiar aspect given to it by the
long hairs of the inner glume and sterile floret, which is only noticed in P. Tene-
riff@, and two or three South American species evidently different from this one.
At the same time, notwithstanding all that has been written on Gramineae, the
general works on the order hitherto published are either so incomplete, or so ill
digested that it is a matter of the greatest difficulty to determine the species

belonging to several of the large genera, or to ascertain whether they are new
or not.

196. Spartina leiantha, sp. n., foliis apice convolutis, racemis circa 8 alternis subremotis
strictis, rhachidibus glabris, spiculis imbricatis, glumis levissimis, inferiore duplo breviore, superiore
acuta paleas paullo superante, valvulis dorso nudis.—Bay of Magdalena.

8. gracili (Trin. Agrostid. p. 88) similis sed glumarum palearumve carina nec pilosa nec scabra. Racemi

1}-pollicares. Spicule 4 lin. longs, racemorum inferiorum arcte imbricate, superiorum subremote. Rhachis
racemorum dilatata.

The known species of Spartina have been so lately and so well described by
the late Dr. Trinius, whose decease before having completed his dissertations on

Graminee is so much to be regretted, that I have no hesitation in describing the
present one as new.

197. Vinra virginica, Pal. de Beauy.—Trin. Agrostid. Vilf. p. 48.—Bay of Magdalena.

198. Cencurvs pauciflorus, sp. n., culmis suberectis, foliis glabris vix scabriusculis, involucris
alternis distantibus pilosiusculis sub-10-fidis spiculas subternas superantibus.—Bay of Magdalena.

Afhnis C. echinato. Folia plerumque angustiora. Spica 13-2-pollicaris, Spicule 8-10, quam in

Cz echinato minores, spinis dorsalibus marginalibusque validis basi dilatatis, et spicule (an constanter’) tres
nec quinque in quoque involucro.

199. Cuoris alba, Pres|?—Kunth. Enum. p. 264.—Bay of Magdalena.—A taller plant than
C. barbata, with narrower and longer leaves, and the sheaths and stems much less compressed.

The spikelets have but one sterile and one perfect flower. The awn of the latter is not quite so
long as described by Presl.

whe Cuorprostum polystachium, sp. n., culmo humili glabro, foliis margine vaginisque pilis
paucis ciliatis, spicis 3-5 racemosis secundis falcatis, glumis coloratis,

. ee ee floris hermaphroditi . palea
superiore breviter biaristata~—Bay of Magdalena.

CALIFORNIA. 57

Gramen ceespitosum, semipedale vel vix pedale. Culmusadscendens. Vaginew subcompresse, pilis paucis
longis patentibus secus vaginam sparsis, ad orem numerosis onuste. Ligula brevissime ciliata. Foliorum
lamina semipollicaris ad pollicaris, acuta, scabriuscula, pilis paucis ciliata. Racemi numerosi, graciles. Spice
sepius 4 vel 5, subsessiles, 4-5 lin, longew. Rhachis compressa, marginibus minute puberulis, Spicule crebree,
imbricato-biseriate, vix lineam longe. Gluma inferior interior parva, hyalina, emarginata, superior exterior
purpurascens, apice breviter emarginato-bifida, glabra, nervo dorsali viridi, scabriusculo, in mucronem brevem
producto. Flos hermaphroditus unicus, basi dense ciliatus. Palea exterior triloba, laciniis lateralibus ad latus
interius aristatis, lacinia intermedia biloba inter lobos aristata ; aristee omnes subequales gluma subdimidio
longiores. Palea interior triloba, exteriore paullo brevior, lacinia media breviter bifida, bicarinata, nervis in
aristas breves productis. Stamina 3. Squamelle minutissime, vix conspicue. Ovarium obovoideum. Styli
plumosi, purpurei. Flores steriles 2, inferior constans ex aristis 3 et paleis 3 brevibus, quarum 2 obovate
inferiores (vel palea inferior bipartita), tertia superior latissima emarginato-truncata. Flos terminalis breviter

stipitatus, constans e palea unica obovata ex aristata,

58 BOTANY OF THE VOYAGE OF THE SULPHUR.

Ill.—WESTERN TROPICAL AMERICA,

FROM MEXICO TO GUAYAQUIL.

DirrerENT portions of the west coast of intertropical America were so re-
peatedly visited between the years 1836 and 1839, that we became familiar with
its general aspect. There is as much variety and individual force in the character
of scenery as in many other objects; and the tropical American has its own, quite
distinct from the Asiatic, though probably not to be very satisfactorily expressed.
Strictly speaking, intertropical America would include a large portion of Peru,
and of which the expedition also had some experience. But to the south of Cape
Blanco, in the Bay of Guayaquil, the vegetation is so exceedingly different from
what is usually regarded as tropical, that at present, our attention is best confined
to that range of country which extends between the Bay of Guayaquil and San
Blas, at the entrance of the Gulf of California, or between 2° 30’S., and 21° 32’
N.L. This extensive tract is far from possessing an uniform vegetation, for that
to the north of Panama differs materially from what obtains to the south. Both
are, however, excessively tropical ; a boundless forest invests the surface nearly
every where, and there is a certain uniformity in the physical agents.

The climate is necessarily tropical, but is not every where synchronous in its
seasons; at Guayaquil the rains are expected with the new year, but as we
ascend the coast to the northward they are gradually later, till at San Blas, on the
limits of the tropics, their accession takes place about St. John’s day in June.
The influence exerted by them over the vegetation is therefore at various times,
and between the limits of this tract there will be a difference of nearly six
months. The relations of the seasons are those usual within the tropics, with the
exception, that in the Bay of Choco, the period of rains is prolonged even to ten or
eleven months, and the vegetation is characterised by excessive and rank luxuri-
ance. In the distribution of temperature, we are not prepared to meet, in these

latitudes, with any very remarkable diurnal or annual variation, and none such is
observable within the limits stated above.

WESTERN TROPICAL AMERICA, 59

Approaching Guayaquil from the south, the first object seen is, not land, but
trees, skirting the horizon in broken masses, since the land first-sighted is ex-
tremely low; and this is a striking circumstance after an habitual acquaintance
with bold and treeless scenery. The land, however, soon becomes elevated and is
uniformly covered with forest. Cape Blanco is the southern limit of the Bay,
and in the vicinity is Tumbez. These places may be regarded as the limits of
that very remarkable climate which stretches over the maritime part of Peru, and
is never known to afford a shower of rain. Parallel with this is the absence of
thunder and lightning, or electrical disturbances of the atmosphere. and the nearly
constant prevalence of a southerly wind; and to this latter Ulloa long since
attributed the absence of rain. The transition to a very different state of things
is most sudden, and at Guayaquil the rains descend in torrents, the town becomes
flooded, and it is not at all unusual to navigate the streets in boats. Vegetation
so closely follows climate, that we cannot than be surprised at the sudden change
it assumes.

The first favourable impressions are strengthened when the forest is around
us. The different habits of the trees, the size and richness of the flowers, and
above all, the large and novel seed-vessels, give an exciting freshness to the scene.
It may be that a few old acquaintances are recognised, but they have here a new
aspect. The pigmy Jacquinia aurantiaca of our conservatories is here a forest
tree profusely covered with fragrant flowers. The Mimosa is no longer a stripling
plant but a time-worn tree, venerable from age and long exposed to the vicissi-
tudes of the seasons, and alive with humming birds and gaudy drwas or witches.
In the forest, in this immediate neighbourhood, there is an absence of certain
forms,—thus, ferns are by no means frequent, epiphytic plants are rarely seen,
and Endogene are comparatively rare. The Bignonias are particularly handsome,
and large species of Ficus abound. On the whole, the number of species yielding
profit or amusement to the botanist will probably fall beneath his estimate ; and
during the height of the dry season I have traversed these forests without reaping
a single specimen, and witnessed such a scene of desolation in the striped and
denuded trees, as I never thought to see within the tropics. The luxuriant
vegetation of these latitudes is of short duration, and nearly confined to that
period when heat and moisture combine to kindle it. At that time it unquestion-
ably is surpassingly rich. |

St. Helena is the northern boundary of the Bay of Guayaquil. In November
we found the vegetation very scanty, and though there were patches of shrubs,
the land is bolder, but very sandy, everywhere barrenness and aridity presented
themselves, and water was scarce even for domestic use. Among the rocks and
loose soil on the high table-land of the Point were some magnificent arborescent

60 BOTANY OF THE VOYAGE OF THE SULPHUR.

Cacti. Some of them were of considerable height, sending numerous branches
upwards from a hard solid woody trunk, and these branching again and forming a
moderate sized tree. 7

In the neighbourhood is Salango, and here we were surprised at the re-
assumed luxuriance. The forest was densely filled with underwood, the trees
were loaded with climbers, and Piper, Passiflora, and Cleome, melastomaceous
plants, palms and ferns abounded ; sure indications of a climate of excess of heat
and moisture. We afterwards learned that in a wide-spread tract of great aridity,
within a limited space around Salango, a vegetation characteristic of excessive
moisture prevailed. The cause of this was hidden from us, but on a coast where
a stream of water is a rarity, the existence of a perennial one was likely to have
much weight, though it is most probable that the condition of the vegetation and
the unfailing stream were effects of the same cause. Rivers and streams of water
are in most cases more the drains than fertilizers of the districts they traverse.

At Monte Christi every thing was again burnt up. Not a leaf was to be
found on the bushes which covered the sandy soil, and several exceedingly prickly
Cactee made walking unpleasant. Nota bird enlivened the scene. A little ver-
dure was alone visible on the mount whence the town has its name. -Bombax
ceiba grows abundantly, and the softer parts of the wood are given to the horses
and mules for fodder, so scarce is their usual food.

Tacames, San Pedro, Tumaco. On entering the northern hemisphere, a great
improvement is conspicuous in the vegetation. Every place visited was clothed
in a rich and luxuriant vegetation. On all sides is seen a rather dense forest, but
of trees not distinguished for their size, and among them the singular Clusia
abounds, with a sprinkling of palms of Licuala and Caryota. At Tacames a
prominent feature is the great abundance of Euphorbiacee ; Hippomane manct-
nella was very common, especially as an edging to the forest near the beach ; large
trees were frequently growing in the immediate vicinity of the houses of the inha-
bitants, and there can be now no doubt that the wonderful agency formerly attri-
buted to this tree is in great part erroneous. Orchidacee make their appearance
in some force, and there is an interesting mixture of a few shrubby Composite,
with a crowd of common tropical forms.

The Island of Gorgona is within the influence of the very moist climate of
the Bay of Choco, and the vegetation exhibits a corresponding rank luxuriance,
ae ~~ sae the occurrence of arborescent ferns of Pteris
sae gba ~~ also make their first appearance on the neighbouring

: easy to convey an overdrawn picture of the excessive

luxuriance of the foliage at the places visited, but it is a more profitable field to
the observing botanist than to the collector.

WESTERN TROPICAL AMERICA. 61

Panama received several visits, and its vegetation was seen at different sea-
sons and under very different aspects. The seasons are regularly distributed
into wet and dry ; in the wet season much rain falls, the atmosphere is loaded
with moisture, and feels excessively hot and close from the impeded perspiration.
Even the European acknowledges that this is not the period for exertion, and he
lingers listlessly among the dense masses of herbaceous and indigenous plants
which obstruct the roads and pathways of the forest. The atmosphere is reeking
with that peculiar smell which is encountered on entering a hot-house. Very
different is the dry season; the atmosphere is now clear, the sun brilliant, and
exhilirating to those not too long accustomed to it, but the fugacious vegetation
has past away, the avenues of the forest are unencumbered, and Leguminose, as
small trees and shrubs, are in great abundance. Within the tropics, whenever
the atmosphere for a lengthened period is conspicuous for its heat and dryness,
we miss the arborescent ferns, and scitamineous and musaceous plants, which are
usually regarded as the ‘“‘ sine qué non’ of tropical vegetation, and instead a promi-
nence is given to arborescent Legwminose, often with a few Composite, Myrtacee,
and Convolvulacee, and a sprinkling of congenial species. Increasing the dryness
so as to verge on aridity, these are replaced by Cactee, growing even as trees with
hard woody stems, succulent Euphorbiacee, and some aloes. There is nothing
particularly inviting about such an assemblage, but as this state of climate is con-
stant in some tropical regions, it becomes as strictly a tropical form of vegetation
as that which acknowledges the prevalence of Endogene.

The island of Taboga is productive in fruits, and supplies Panama with a
considerable quantity. The inhabitants are accustomed to search under the trees
after dusk, by the light of torches, for the fruit that has fallen. We here found
that errors are very likely to arise from placing too much confidence in vernacular
names. Many of the fruits were brought to us under the name “ guava,” without
any second or specific name diagnostic of the fruit meant. . And at the same time
at other places on the coast this term was applied to fruits not designated as such
elsewhere; whilst the fruit known to us as the guava was not uncommon. The
isthmus of Panama, if not so stern as to become mountainous, approaches very
nearly to it, and such portions as were visited were covered by forest, not always
very dense, and with situations of rich and productive soil. From some of the
higher lands the views of the vallies around are excessively glowing, the summits
of trees crowded together into a rich vesture of green, illumined by a fervent sun,
whose brilliant dazzling rays few animated beings venture to brave; yet. from
beneath the canopy are heard at times sounds various and strange to the traveller.
Some of these upland views, of which America furnishes so many, are particu-
larly interesting, and leave a lasting impression. The eye often commands not

R

62 BOTANY OF THE VOYAGE OF THE SULPHUR.

only a very varied scene, but one which really embraces a very considerable tract
of country. This too is greatly varied by the broken surface and irregular direc-
tion of the masses of land, whence arise certain conspicuous changes in the
vegetation, and these diversified again by the different shadows and lights, which
also receive their modifications with the distance. The whole offers a scene
which arrests the attention even of the exhausted traveller, and the reminiscences
of after times are apt to be rich even to the minute concomitants which attend
them. Man seems but a little being when moving through such a wilderness, and I
remember that it was on one occasion quite ludicrous to hear the very insignifi-
cant shouts our greatest efforts could raise to recall a truant fellow-traveller.

At Realejo the accession of the rains is deferred till April. In the vicinity
the continuity of the Andes is interrupted, and the surface is flat and with a very
trifling general elevation; a few volcanic mountains are spread about. The
mahogany forests stretch towards the Pacific, and a few stragglers are found on
its shores. Our visits to the Gulfs of Nicoya and Fonseca were not productive,
indeed the sameness of an unbroken but dreary and profitless forest was nowhere
more forcibly felt. Many of the upper lands are rather densely clothed with
Pinus occidentalis, The dry season at Acapulco is rich in the great variety of
Bauhinia ; the oaks approach the low lands, and take their lower station at about
fifteen hundred feet. A great part of the country is occupied by small forest
growth; the summits of the mountain ranges often display bare brown spaces,
piled with naked masses of granite. In the elevated lands a different vegetation
obtains to what is noticed lower down. Leguminoseé abound, and in general dif-
ferent from those of the plains.

San Blas. In the immediate neighbourhood, and covering a large tract of
‘country, an insipid maritime vegetation prevails, attributable in great part to
inundations from the sea. A pathway of some miles long at length leads to a
more promising scene. . The road to Tepic traverses some very fine forest, but
When this ascends the hills, the country is more open, and some magnificent views —
are spread around. Many of the Mimosa of the forest furnish specimens of remark-
cin ee ae en eae minutely divided foliage has a very light and
bene aR “a Pa iar delicate green; those of the elevated lands
vistto is clbelly atsiien Re Be may here be seen where the Chamerops pal-
secsivich nly Cane : giant arms of the protean figs, and which has
a ctancidie ya e from the published figures of Mirbel and Decan-

: : Tar greater physiological value was seen in a full-grown
-_ which presented midway up its trunk a fork of two branches of equal

- tepic itself is picturesquely situated in a plain sur-

WESTERN TROPICAL AMERICA. 63

rounded by an amphitheatre of hills. Not a tree disturbs the uniformity of the
surrounding country, but there is much foliage mingled with the buildings, and
near at hand is a fine promenade shaded_ by trees, which travellers have called
chestnuts, but which are really figs.—Ed.

The vegetation of this long range of coast includes necessarily a considerable
number of species common also to the West Indies, the north coast of South
America, and the east coast of Central America, and of these many have long
since been published and received into general systematic works. Those species
which are peculiar to the western side in general, or to particular stations visited
by the Expedition, if already published, must with few exceptions be sought for
either in the Nova Genera et Species of Humboldt and Kunth, or amongst
Henke’s plants, described partly in Presl’s Reliquie Henkeane, partly in
various detached monographical papers scattered over some of the modern
botanical periodicals, or in the later volumes of De Candolle’s Prodromus and
Kunth’s Enumeratio. Several plants also from this region were figured by Ca-
vanilles in his Icones, chiefly from the collections of Nee or of Tafalla, and a few
Guayaquil species of the latter collector, have found their way into Ruiz and
Pavon’s Flora. More recently a small number of Guatemala plants have been
published by Bertoloni in his Florula Guatemalensis, or by myself in the Plante
Hartwegiane, where a small Guayaquil collection is also described. By these
means the more prominent among the species generally diffused over this region
are not new, and are therefore here merely mentioned by name. Amongst the
species first discovered by the officers of the Sulphur, a few from the Mexican
coast have been already published by Hooker and Arnott, in the Supplementary
portion of the Botany of Captain Beechey’s Voyage. These again I have
merely referred to by name, except where better specimens have thrown any
additional light upon their characters, or geographical range. The species now
first described are chiefly from the more southern portion of the region from
Panama to Guayaquil. |

RANUNCULACEE.

1. Ciematis acapulcensis, Hook. et Arn. Bot. Beech. p. 410, (sp. n. )—Acapulco.

64 BOTANY OF THE VOYAGE OF THE SULPHUR.

DILLENIACEZ.

2. Davina rugosa, Poir.—St. Hil. Fl. Bras. Mer. 1. p. 18.—Isthmus of Darien,
3. CuraTELLA americana, Linn.—DC. Prod, 1. p. 70.—Bay of Panama,
4. Terracera volubilis, Linn.—DC. Prod. 1. p. 67.—Gulf of Fonseca.

ANONACER.

5. Xyopra grandiflora, St. Hil. Fl. Bras. Merid. 1. p.40.—X. longifolia, Alph. DC. Mem.
Soc. Gen. 5. p. 210.—Isle of Taboga, in the Bay of Panama. A fine species, not uncommon in
Brasilian and Guyana collections, but which does not appear to have been previously found on the
west coast of America.

6. Anona reticulata, Linn.—DC. Prod. 1. p. 35.—Isle of Puna, near Guayaquil.

MENISPERMACER.

7. Cissampg.os Pareira, Linn.—DC. Prod. 1,.p. 100.—Panama.
8. CissamPeLos Guayaquilensis, Humb. et Kunth.—DC. Prod. 1. p- 100.—Near Guayaquil.
9. Coceutus oblongifolius, DC. Prod. 1. p.99.—Acapulco.

PAPAVERACER.

10. Araemong Mexicana, Linn,—DC. Prod. 1, p. 120.—Common throughout the region.

CaAPPARIDACEE.

11. Gynanpropsis speciosa, DC. Prod. 1. p- 238.—Guayaquil.

= GyNanpropsis trichopus, sp. n., rataulis pubescentibus demum glabratis, foliolis 5-7 oblongis
ee pubescentibus, petiolis elongatis petiolulisque hispido-pilosissimis, toro elongato theca-
phoroque brevi quam siliqua glanduloso-puberula brevioribus.—Salango, in Columbia.
- rutex ? Rami herbacei, juniores pube brevi subglandulosa demum evanescenti obtecti. Petioli 2-5-
eaneteg “s a ss G. speciosr sed seepius minora, basi longe angustata et pilis insignia in petiolulo copiosis
longis basi incrassatis. Folia floralia bracteceformia, parva, integra, sessilia. Pedicelli pollicares, filiformes,

WESTERN TROPICAL AMERICA. 65

puberuli. Sepala ovata, acute acuminata, membranacea, in sicco rubra. Petala majora calyce duplo longiora.
Torus filiformis, 6 lin, longus. Stamina sex. Thecaphorum toro brevius. Siliqua bipollicaris vel paullo

longior.

13, CLEoME polygama, Linn.—DC. Prod. 1. p. 241.—Guayaquil.

14. CiEome pilosa, sp. n., inermis, pilis sparsis hispidula, foliolis subquinis elliptico-oblongis
acuminatis utrinque sparse hispidulis, floralibus parvis ovato-lanceolatis, thecaphoro brevi, siliqua
acuminata glabra.—Salango, in Columbia.

Habitus fere C. rosew. Pili sparsi non glutinosi. Foliola majora 2-3-pollicaria, petiolo bipollicari.
Pedicelli graciles, glabriusculi, pollicem longi, Sepala vix 1 lin. longa, acutissima. ,Petala majora 4-5 lin,
longa, oblonga, breviter unguiculata. Siliqua matura bipollicaris, thecaphoro 3 lin. longo. Semina rugulosa.

15. Capparis (Cynophalla) brevipes, sp. n., glabra, foliis brevissime petiolatis oblongis acumi-
natis obtusisve basi cordatis, glandula in axillis pezizeeforme, racemis terminalibus axillaribusve sub-
corymbosis paucifloris—Gulf of Nicoya.

Frutex scandens. Folia coriacea, 23-3 poll. longa, 1 poll. lata, margine undulata, apice seepius acuta.
Glandula axillaris hinc inde deest. Racemi nonnulli in axillis supremis simplices pauciflori, terminalis inter-
dum ramosus. Sepala ovata, valde imbricata. Petala et genitalia in speciminibus suppetentibus a vermibus
exesa. Species videtur C. heterophylle, Ruiz et Pav. affinis.

16. Capparis (Cynophalla) Sinelairii, sp. n. (Plate XXVII.) glabra, foliis lanceolatis muticis
coriaceis basi rotundatis breviter petiolatis, glandula in axillis turbinata, racemis axillaribus 4-6-floris
folio brevioribus, sepalis orbiculatis corolla dimidio brevioribus, thecaphoro longissimo, —

Columbia.

Folia 2-3-pollicaria, viscosissima. Racemi subcorymbosi, pedicellis inferioribus semipollicaribus. Petala
6-7 lin. longa, orbiculata, Stamina numerosissima. Ovarium oblongo-lineare, thecaphoro jam ante anthesin

fere 2 poll. longo. Stigma truncatum. Fructus non suppetit.

Plate XXVIL. fig. 1, stamen; fig. 2, ovary; fig. 3, the same, cut longitudinally; fig. 4, the
same, transverse section; all magnified.

17. Capparis amygdalina, Linn.—DC. Prod. 1. p. 250,—Manzanilla Bay.
18. Cappanis scabrida, Humb. et Kunth.—DC. Prod. 1. p. 251.—Payta, in Columbia.

19. Capparis crotonoides, Humb. et Kunth.—DC. Prod. 1. p. 251 .—Isle of Puna, in the Bay
of Guayaquil.

20. Cappants avicenniefolia, Humb. et Kunth—DC. Prod. 1. p. 252,—In various places, from
Panama to Guayaquil. These specimens are somewhat more downy than those described by Kunth,
and the berry is ovoid, or oblong, but in other respects they agree perfectly with the description.

BIXACEE.

21. Brxa orellana, Linn.—DC. Prod. 1. p. 259.—Mexico to Guayaquil.
8

BOTANY OF THE VOYAGE OF THE SULPHUR.

CISTACER.

22. Hevrantuemum glomeratum, Lag. Dun. in DC. Prod. 1. p. 269.—H. polifolium, Hook. et
Arn. Bot. Beech. p. 410. vix Torr. et. Gr.—Tepic.

This is probably the only species hitherto found in Mexico (exclusive of
Texas) or Guatemala.* The two kinds of flowers to be found on the same speci-
mens have been well distinguished by Spach, but they do not always co-exist on
the same branch at the same time, nor are they sufficient for generic distinctions,
any more than the apetalous flowers which have now been so frequently observed
in several Leguminose, Malpighiacee, Violacez, and others. We should therefore
refer to H. glomeratum both the Heteromeris Mewicana and the Teniostoma
micranthum of Spach, but the H. polifolium of Torrey and Gray from Texas will
probably be found to be a constantly distinct species.

SaMYDACER.

23, CASEARIA (Pitumba) pubiflora, sp. n., ramulis glabris, foliis oblongis acuminatis serrulatis
basi suboblique cuneatis membranaceis punctatis glabris vel in nervo medio puberulis, pedicellis
fasciculatis, floribus decantheris 5-partitis pubescenti-villosis, laciniis calycinis oblongis.—Guayaquil.

Folia tripollicaria vel paullo longiora, crebre pellucido-punctata, acumine longiusculo acuto. Pedicelli
numerosi, in axillis vetustis glomerati, vix 2 lin. longi. Calyces fere 24 lin. longi, tomento brevi dense obtecti.
Filamenta sterilia subclavata, Ovarium pubescens. Stigma (seu styli apex stigmatosus) subcapitatum.

This species belongs to the section Pitwmba, as characterised in my account of
Guayana Samydacee in the London Journal of Botany. It agrees in many
respects with the descriptions of C. macrophylla, Vabl, and of C. celtidifolia,
‘Humb. et Kunth, from both of which it differs chiefly in the calyx.

= : 8 mays _ pints. sent ftom Guatemala an interesting new species of the allied genus Lechea aise

y ee haracterieed : Lechea Skinneri, humilis, ramosissima, molliter pilosa, foliis linearibus subulatisve
sae subternisve, floribus distincte pedicellatis, capsulis late globosis.—Species L. minori affinis at facile dis-
_— floribus - presertim ecapsulis multo majoribus. Habitus humilior, basi ramosior. Folia ramorum
sterilium angustiora, pilis longiusculis appressis canescentia, Flores ad apices ramulorum pauci. Pedicelli
1}-2 lin. longi. Sepala interiora concavo-carinata. Petala tria, Stamina (an constanter?) tria, Styli rami

ph oso-multifidi, Capsulee magnitudine earum LZ, Drummondi, 3-6-sperme, placentis ut in L. mimore
membranaceo-crustaceis.

WESTERN TROPICAL AMERICA. 67

POLYGALACER.

24. Potycata (Senega) hebantha, sp. n., caulibus adscendentibus pubescentibus, foliis
subsessilibus ovatis orbiculatisve basi cuneatis membranaceis utrinque parce hirtellis, racemis
brevibus, sepalis exterioribus lineari-lanceolatis, 2 anticis approximatis, postico carinato, interioribus
obovato-oblongis hirtellis, petalis posticis carinam nudam dorso ciliatam «quantibus, capsula ovali
hirsuta.—Gulf of Fonseca.

Caules basi ramosi, vix unquam pedales, Folia inferiora minora late orbiculata, obtusissima, suprema
breviter acuminata, rarius acuta. Racemi 14-2-pollicares, 10-20-flori, Flores minores quam in P. rivine-
folia, ceeterum iis similes. Capsula hirsutissima et tanquam e statu juniori judicare potes non emarginata,

maturam non vidi.

25. PotyGaLa rivinefolia, Humb. et Kunth.—DC. Prod. 1. p. 331.—Acapuleo.
26. PotyGaLa paniculata, Linn.—DC. Prod. 1. p, 329.—Guayaquil.
27. Securmaca volubilis, Linn.—DC. Prod. 1. p. 340.—Panama and the Isle of Taboga.

VIOLACER.

28. AtsopErA deflexa, sp. n., ramulis petiolisque hirtellis mox glabratis, foliis ovali-ellipticis
breviter et obtuse acuminatis obtuse dentatis basi rotundatis subobliquis, racemis simplicibus folio
brevioribus, pedicellis deflexis, sepalis ovatis acuminatis quam petala glabra dimidio brevioribus,
antherarum appendicibus acutis, ovario hispido.—Atacames.

Rami dichotomi, cinerei. Folia 2-4-pollicaria, submembranacea, reticulato-venosissima, inferne angustiora,
ima basi obtusa, petiolo 2-3 lin, longo. Racemi bipollicares, hirtelli. Pedicelli 1 lin. longi, arcte deflexi,
puberuli. Sepala interiora 1 lin. longa, exteriora paullo breviora, dorso minute puberula, margine ciliata.
Petala oblongo-linearia, glabra, apice revoluta. Filamenta brevissima, Antherarum appendices lanceolate,
petalis paullo breviores. Ovarium dense hispidum. Stylus glaber.

29. Sauvaaesta erecta, Linn.—DC. Prod. 1. p. 315.—Columbia.

LINACEE.*
30, Linum Schiedeanum, Cham. et Schl.—Hook. et Arn. Bot. Beech, p. 411.—Tepic.

* The following new species of Linum, allied to L. rigidum has been sent by Mr. Skinner from oo
mala, within the limits of the present region: L. guatemalense, glabrum, caule angulato —
paniculato, foliis alternis lanceolatis vel lineari-lanceolatis acutis, floribus ad apices ramulorum peace pedicellatis,
sepalis lato-ovatis cuspidatis apice glanduloso-ciliatis capsula acutiuscula brevioribus, petalis (luteis) caly oT
triplo longioribus, stylis liberis, —Caules sesquipedales. Folia iis Z. rigidi latiora, minime pungentia ; sepala
latiora et inflorescentia parum diversa.

68 BOTANY OF THE VOYAGE OF THE SULPHUR.

MALVACES.

31. Lormmra malacophylla, Mart.—DC. Prod. 1. p. 458.—Isthmus of Darien.

32. Pavonta typhaleoides, Humb. et Kunth.—DC. Prod. 1. p. 443.—Guayaquil.

33. Pavonta mexicana, Humb. et Kunth, Nov. Gen. 5. p. 284.—Acapulco.

34. Matvaviscus mollis, DC. Prod. 1. p. 445.—Gulf of Fonseca.

35. Matvaviscus pilosus, DC. Prod. 1. p. 445.—Schlecht. Linnea, 11. p. 359.—Bay of Panama.

These specimens are very similar to the Jamaica ones. The proportion of
stellate tomentum and long simple hairs on the pedicels is very variable.

36. Matvaviscus acapulcensis, Humb. et Kunth ?—Schlecht? Linnea, 11. p. 360.—Atacames,

37. Marvaviscus brevipes, sp. n., ramulis petiolisque tomentosis, foliis ovatis leviter cordatis
obtusis vel obtuse acuminatis grosse crenato-dentatis rarius obsolete lobatis utrinque sparse stellato-
pubescentibus, pedunculis calyce brevioribus subaggregatis, involucello 9-12-phyllo calycem
superante.—Nicoya.

Folia 3-5 poll, longa, 2-3 poll. lata, supra tuberculis minutis pilorumque stellulis siccitate canescentia et
scabra. Pedunculi tenues, pilosi, longiores vix semipollicares. Flores quam in M. arboreo et M. mili paullo

majores. Involucelli foliola linearia, acuta. Petala minute ciliata.
Some specimens from the Gulf of Fonseca with smaller leaves, and the
folioles of the involucre rather shorter and somewhat spathulate, may possibly

belong to a distinct species, or perhaps to the M. concinnus, Humb. et Kunth, but
the materials before me do not enable me to determine them accurately.

38. Parrrivm tiliaceum, St. Hil. Fl. Bras. Mer. 1. p. 256.—Columbia and Guayaquil.

39. Hiniscus (Bombicella) betulifolius, Humb. et Kunth.—DC. Prod. 1. p- 452, var. pedunculis
abbreviatis.—Isle of Taboga, Bay of Panama.

40. KosteLerzKya sagittata, Presl_—Benth. Pl, Hartw. p- 114.—Guayaquil.

ony fl. Fucosta euneata, sp. n., procumbens, glabra vel junior pilis minutis stellatis canescens, foliis
obovatis vel oblongo-cuneatis obtusis integris bifidisve, supremis interdum lanceolatis acutis,
pedunculis apice incrassatis, involucelli foliolis minutis setiformibus.—Guayaquil.

Very near to the Fugosia (Redoutea) tripartita, as described by Kunth, but
the leaves, which are about an inch long, are entire or shortly bifid, and not
divided into distinct segments,

42. Gossypium barbadense, Linn 1—Tepic, Guayaquil, &c.
43. Basrarpta crispa, St. Hil.—Hook. et Arn. Bot. Beech. p. 412.—Acapulco.
44. Bastarpia viscosa, Humb. et Kunth, Nov. Gen. 5. p- 256.—Acapulco.

45. ABUTILON reflecum, Sw.— Sida reflexa, Cav.—DC, Prod. 1. p.469.—Salango, in Columbia.

WESTERN TROPICAL AMERICA, 69

46, AnuTiLon pedunculare, Humb.et Kunth? Nov. Gen, 5. p. 273.—The specimen is without
flowers, but appears to belong to this species, —Guayaquil.

47, ABUTILON graveolens, Wight et Arn. Prod. Fl. Penins. Ind. Or. 1. p- 56.—Panama to
Guayaquil.—These specimens do not in the slightest degree differ from East Indian ones.

48, Anopa hastata, Cav.—Schlecht. Linnea 11. p. 214.—Tepic and Acapulco.

49. Anopa lanceolata, Hook. et Arn. Bot. Beech. p. 411.—Tepic.

50. WissaDULA excelsior Presl.— Sida excelsior, Cav.—DC. Prod. 1. p. 468.—Panama.

51. WissapuLa nudiflora.— Sida nudiflora, Lhér.—DC. Prod. 1. p. 468.—Gulf of Fonseca.

52. Stipa divergens, sp. n., fruticosa, ramis tomentosis, foliis amplis late cordato-ovatis

acuminatis integerrimis supra minute puberulis subtus cano-tomentosis, panicula ampla laxa
subnuda, carpellis quinque, rostris elongatis divergentibus.—Guayaquil.

Frutex parva, ramis teretibus divaricatis. Folia longiuscule petiolata, majora 4-6 poll. longa, ramealia
seepe multo minora, floralia sessilia, infima bipollicaria, suprema ad bracteas minutas reducta, Pedicelli filiformes,
elongati. Calyces parvi, laciniis latis obtusis. Petala calyce duplo longiora. Cocci maturitate distincti, sub-
indehiscentes, angulati, angulo interno acuto, externo in rostrum elongatum incurvum bipartibilem producto,
angulis lateralibus obtusis.

This shrub has very much the habit of the Wissadule, especially of W. nudi-
Jlora, but the fruit is that of a true Sida. It was also gathered by Hartweg in the
same locality.

53. Sta paniculata, Linn.—DC. Prod. 1. p.465.—Payta and Guayaquil.

54. Sra betonicefolia, Balb —DC. Prod. 1. p. 463.—Gulf of Fonseca.

55. Sma Dombeyana, DC. Prod. 1. p. 463.—Folia juniora utrinque pilosa, adulta fere glabra.—
Isle of Puna, near Guayaquil.—Very nearly allied to S. humilis.

56. Supa glanduligera, sp. n., foliis petiolatis late cordato-ovatis acuminatis dentatis supra minute
stellato-puberulis subtus ramulisque tenuiter canescenti-tomentellis, panicula terminali, floribus
breviter pedicellatis confertis, calycibus glanduloso-hirtis, carpellis 5 muticis puberulis,—S. dumosa,
Hook. et Arn. Bot. Beech. p. 4 2. non Swartz.—Realejo.

Caules elati videntur, teretes, uti folia juniora necnon adultiorum pagina inferior tomento va7s pallido et
forte viscidulo vestiti. Petioli 2-3-pollicares, Folia petiolo longiora, basi 5-7-nervia et late rene cor-
data, supra viridia pilis minutis stellatis conspersa. Panicula pyramidata, terminalis, aphylla, floribus —-
ramos in cymas breves dispositis. Pedicelli ultimi calycibus breviores, bracteis linearibus brevibus eubtensi, uti
rami paniculze, bracteze et calyces pube stellata pilis rigidulis et glandulis stipitatis vestiti. Calyces fructiferi
8 lin. longi, laciniis latis acute acuminatis. Corolla calyce paullo longior. Carpella S. dumose.

This plant was considered by the authors of the Botany of Beechey’s Voyage
as the same as Swartz’s S. dumosa from Jamaica, but it appears to me to be more
downy, the inflorescence different, and the calyxes much larger, which, with the
glands and stiff hairs which cover them, give to the panicle something of the
appearance of that of some Rubi.

57. Sipa depressa, sp. n., fruticosa? viscoso-tomentosa, foliis cordato-ovatis crenatis subtus
T

70 BOTANY OF THE VOYAGE OF THE SULPHUR.

eanescentibus, pedunculis brevissimis, caleycibus viscoso-tomentosis, carpellis 10 pubescentibus
angulis exterioribus mucronatis—Isle of Puna, near Guayaquil.

Habitu Bastardia viscose non dissimilis, Tomentum breve, viscidulum, canescens. Folia 1-14 poll.
longa, petiolo semipollicari. Pedicelli axillares seepe glomerati, vix lineam longi. Flores magnitudine S. rhom-
bifoliw. Calyx post anthesin auctus et stellato-patens. Fructus depressus, stellato-radians, in coccos vix
dehiscentes secedens.

The fruit at first sight resembles that of an Anoda, but separates into distinct
carpels as in Sida. The habit has no resemblance to Anoda.

58. Sra urens, Linn.—DC. Prod. 1. p. 465.—Acapulco.
59. Spa carpinifolia, Linn.—DC. Prod. 1. p. 461.—Mexico to Guayaquil.

60. Sma rhombifolia, Linn.—DC. Prod. 1. p. 462, var. carpellis submuticis.—S. rhomboidea
Roxb.—DC. 1. ¢.—Mexico to Guayaquil.—The S. Hondensis, Humb. et Kunth, should also be
referred to this species, which varies in having the carpels either quite awnless or with short or
long awns, without apparently any means of drawing any line of distinction between the different
forms.

61. Maracura humilis, sp. n., caule hispidissimo, foliis suborbiculatis integris 3-5-lobatisve
dentatis basi truncatis supra glabris subtus sparse hispidis, florum capitulis breviter pedunculatis
3-5-floris hispidissimis, foliis floralibus basi cuneatis lobulis setaceis utrinque auctis, laciniis calycinis
breviter acuminatis coccis dimidio longioribus.—Guayaquil.

Herba annua, subpedalis, divaricato-ramosa, pilis longis hirsutissima. Folia inferiora fere orbiculata, dia-
metro pollicari, superiora majora, plus minus lobata, lobis latis, medio vix productiore. Pedunculi brevis-
simi. Bracteve foliaceze sepius tres, inequales, breviter acuminate, basi nervose ; lobuli utrinque 1-3 prope

basin, setacei, hispidi, ciliati, bracteis interioribus similes. Corolla calyce duplo longior. Genitalia et fructus
omnino Malachre.

STERCULIACER.

62. Pacutna sessilis, sp. n., glabra, foliolis 5-7 ad apicem petioli sessilibus obovato-oblongis

eben calyce integro truncato, tubo stamineo dimidium corolle eequante.—Isle of Taboga, bay of
anama.

Mates 3-4 poll. nag: vel intermedia semipedalia, basi angustata et omnino sessilia, coriacea, subglauces-
centia ; pomioe ihele medio paullo brevior. Pedicelli axillares, crassi, 6-10 lin. longi. Calyx 5 lin. longus,
crassus, margine tenui obsoletissime sinuato. Petala fere 4 poll. longa, acutiuscula. Staminum tubi pars

eit fere 2 poll. longa. Filamentorum pars superior, antherte et ovaria in speciminibus suppetentibus
‘omnia a vermibus exesa,

- Has ERIODENDRON anfractuosum var. caribeum, DC.? Prod. 1. p. 479.—Folia et calyces
similia iis speciminium in Antillis nec non in Surinamo lectorum, nisi foliola paullo longiora et
angustiora. Flores ita a vermibus destructi ut nil nisi vestigia pauca corolla supersunt.—Acapulco.

64. Henicrerss barzensis, Linn.—DC. Prod. 1. p- 475.—Isle of Taboga, bay of Panama.

WESTERN TROPICAL AMERICA. 71

65. Heticreres guazumefolia, Humb, et Kunth.—DC. Prod. 1. p. 476.—Isthmus of Darien.
—Probably a smoother variety of H. baruensis.

66. Hexicterss altheefolia, Lam. Dict. 3. p. 88.—Acapulco.

BueETTNERIACE.

67. Buerryerta lanceolata, DC. Prod. 1. p. 487.—Panama.

68. Burtrnerta glabrescens, sp. n., caule aculeato foliisque novellis puberulis mox glabratis,
foliis longiuscule petiolatis ovato-lanceolatis acuminatis serratis basi rotundatis vel rarius subcordatis
hirtellis glabratisve, pedunculis axillaribus fasciculatis multifloris, calycis laciniis anguste lanceolatis,
petalorum appendicibus filiformibus.—Guayaquil,

Folia pleraque 2-3-pollicaria. Pedunculi 6-12 lin. longi, 6-10 flori. Alabastra longe acuminata. Calycis
laciniz 13 lin. vel paullo longiores. Petala basi angustata, auriculis acutis, appendice longa filiformi apice non
incrassata. Fructus aculei longiusculi. Species B. cordate affinis, sed glabritie et forma foliorum satis dis-
tincta videtur.

69. Turoproma Cacao, Linn.—DC. Prod. 1. p. 484.—Columbia.

70. Guazuma polybotrya, Cav.—DC. Prod. 1. p. 485.—Manzanilla Bay.

71. Wattuerta Americana, Linn.—DC. Prod. 1. p. 492.—Mexico to Guayaquil.

72, Wa.THERIA ovata, Cav.—DC. Prod. 1. p. 493.—Guayaquil.

73. Metocuta pyramidata, Linn.—DC. Prod. 1. p. 490.—Guayaquil.

74. Mrtocuta tomentosa, Linn.—DC. Prod. 1. p. 490.—Acapulco.

75. Mrvocura (Riedleia) inflata, DC. Prod. 1. p. 491.—Panama to Guayaquil.

76. Mrtocuta (Riedleia) nodiflora, Sw.—DC. Prod. 1. p. 491.—Mexico to Guayaquil.
77. Metocura (Riedleia) serrata, Vent.—DC. Prod. 1. p. 492.—Acapulco.

TILIACES.

78. Corcnorvs tortipes, St. Hil.? Fl. Bras. Merid. 1. p. 281. t. 55.—Guayaquil.—The speci-
men is very imperfect, but does not appear to differ from the Brazilian ones.

79, Trrumrerra dumetorum, Hook. et Arn. Bot. Beech. p. 279. vix Schlecht.—Tepic.—This
does not indeed quite agree with Schlechtendahl’s description; but the species in this genus are so
very variable, that I have much doubt whether this one be new or not.

80. Trrumrerra heterophylla, Lam.—DC. Prod. 1. p. 506.—Gulf of Fonseca.

81. Trrumrerra rhomboidea, Jacq.—DC. Prod. 1. p. 507 .— Guayaquil.

82. Hexiocarrus popayanensis, Humb. et Kunth.—DC. Prod. 1. p. 503.—Species a H. at
mano abunde distincta.—Isle of Taboga, Bay of Panama.

72 BOTANY OF THE VOYAGE OF THE SULPHUR.

83, Hassextia floribunda, Humb. et Kunth, Nov. Gen. 7. p. 232. t. 651. var. pauciflora.—
Isthmus of Darien.

84, Muntinera Calabura, Linn. —DC., Prod. 1. p. 514.—Panama to Guayaquil. |

85. Luuea rufescens, St. Hil. Fl. Bras. Merid. 1. p. 293. t. 58.—Tiger Island, Gulf of Fonseca
and Conchagua, Gulf of Honda.—Precisely similar to the Brasilian and Guayana specimens, and
probably the same as Alegria candida, Fl. Mex. or Luhea candida, Mart.

TERNSTRGMIACES.

86. CocHLospeRMuM hibiscoides, Humb. et Kunth, Nov. Gen. 7. p. 223.—Isle of Taboga, Bay
of Panama, and Isle of Puna, near Guayaquil.

87. Ternstramia clusiefolia, Humb. et Kunth?—DC. Prod. 1. p. 524.—Guayaquil.

The American species of Ternstremia are difficult to distinguish, and the
characters derived from the form and size of the leaves and length of the pedun-
cles are variable within limits very difficult to define in descriptions. The
present plant agrees very well with Kunth’s figure and description, except that
the leaves have no black dots underneath, but it is doubtful whether this is a
specific distinction, or merely owing to a difference in age, or in the season when
gathered.

88. Maria macrophylla, sp. n., foliis oblongis acumine brevissimo glabris, racemis folio bre-
vioribus ferrugineo-tomentellis, stylo ovario vix breviore.—Isle of Gorgona.

Forma foliorum M. tomentose, Poepp., sed glaberrima sunt, ultrapedalia, utrinque rotundata et apice in
acumen vix 2 lin. longum producta. Racemi vix 6 poll. longi. Flores duplo majores quam in M. racemosa.
Sepala 5 exteriora angustiora, dorso tomentosa, fere 5 lin. longa. Nec petala nec stamina vidi. Ovarium 3 lin. |
longum, glabrum, 5-loculare, ovulis numerosissimis, Stylus 2 lin, longum, parte stigmatifera crassa ovoidea
1 lin. longa,

CLUSIACER.

89. Crust subsessilis, sp. n., foliis sessilibus obovatis obtusissimis basi angustato-rotundatis,
venis valde obliquis crebris utrinque leviter prominulis, pedunculo terminali brevi trichotomo

plurifioro, floribus fcemineis bibracteatis 4-sepalis 5-petalis anandris, stigmate (5-?) 6-radiato.—
Atacames, not uncommon in Columbia.

Arbor divaricato-ramosa. Folia 3-5 pollicaria, venis a nervo medio minus divergentibus quam in plerisque

speciebus. Pedunculus communis terminalis, 3-4 lin. longus, semel vel bis trichotomus, ramis capitulo trifloro
terminatis. Flores (in specimine foemineo) brevissime pedicellati. .Sepala orbiculata, coriacea. Petala obovata,
6 lin, longa. Staminum sterilium vestigium nullum detexi, Ovarium globosum, stigmatibus 6 (an tamen
constanter ?) radiatim dispositis subrotundis, a centro paullulum distantibus.

Plate 21]

MONARDELLA VILLOSA.

Plate 22.

é
n from Nature and on Stone by Mifs Drake. 2 | Printed byHullkmandel & Walton.

ERLOGONUM INTRICATUM.

EUPHORBIA CALIFORNICA.

Printed by Hullmandel & Walton.

Drawn. from Nature and on Stone by Mifs Drake.

PEDILANTHUS MACROCARPUS.

Printed by Hullmandel & Walton.

Drawn from Nature and on Stone by Mifs Drake.

EUPHORBIA HINDSIANA.

Plate 25.

Drawn from Natzre and on Stone by Mats Drake. Printed by Hullmandel & Walton.

MOZINNA CANESCENS.

Plate 26.

m from Namre and on Stone by Mifs Drake. Printed by Hullmandel & Walton.

EREMOCARPUS SETIGERUS.

Fiatée 24.

Drawn tom Wature andon Stone by Mifs Drake. Printed by Hullmandel & Walton

CAPPARIS. SINCLAIRII.

Plate 28.

Drawn from Nature and on Stune by Mils Drake.

TRIPLANDRON LINEATUM.

Plate 29

et enc

Drawn from Nature and on Stone by Mifs Drake. ee

yy
-
ohn

PLANARIUM LATISILIQUUM.

ature and on Stone by Mafs Drake.

N

A SE A

WESTERN TROPICAL AMERICA. 73

The flowers of this species are very near to those of the Brazilian C. criuva,
St. Hil.; the foliage and inflorescence agree pretty well with Kunth’s description
of C. multiflora, but it is evidently distinct from either.

90. TrrPLaNnpDRON lineatum, gen. nov. (Plate XX VIIL.)—Tumaco and San Pedro in Columbia.

Cuar. Gen. Flores dioici. Masculi: Calyx bibracteatus, 4-sepalus. Corolla 4-petala. Stamina
numerosa, triseriata, in massam tetragonam convexam connata, seriei interioris majora; filamenta
crassa, angulato-concreta; anther terminales, connectivo immerse, loculis rima oblonga dehiscen-
tibus. Flores foeminei: Calyx et corolla maris. Stamina sterilia in cupulam carnosam tetragonam
ovarium cingentem connata. Ovarium tetragono-globosum, stigmata plurima (circa 9) sessilia,
radiantia. Ovarii loculi totidem (pluriovulati ?).

Species unica. 7. lineatum. Arbor.20-pedalis. Folia petiolata, opposita, 3-5-pollicaria, ovali-oblonga,
utrinque acuta vel rarius apice obtusiuscula, coriacea, percursa venulis crebris parallele divergentibus utrinque
prominulis et lineolis tenuibus in sicco purpurascentibus nervo medio subparallelis a basi ad apicem folii extensis.
Petiolus 3-8 lin. longus, basi subdilatatus et intus (in glandulam?) incrassatus. Pedunculi ad apices ramorum
vel ramulorum brevium axillarium, brevissimi, terni, recurvi. Bracteee orbiculate, 2 lin. longe. Sepala
orbiculata, concava, coriacea, 4 lin. longa. Petala 8-9 lin. longa, patentia, obovato-rotundata, rubra, marginibus
reflexis crispis. Stamina marium in serie exteriore circa 20, in intermedia 15-18, in interiore 5-9 duplo fere
majora, omnia in massam coalita ovarium abortiens sepius minimum circumdantem at ab hoe liberam.
Staminum sterilium urceolus in flore foemineo acute tetragonus, ovario brevior. Stigmata inter se distincta et a

centro distantia fere Clusia criuve.

Plate XXVIII. fig. 1, mass of stamens, from the male flower ; fig. 2, the same, seen from above ;
fig. 3, nectarium, or abortive staminal mass and ovary of the female flower; fig. 4, the same, seen
from above ; fig. 5, transverse section of the ovary; all magnified.

91. Mammea Americana, Linn.—DC. Prod. 1. p. 561.—Isle of Taboga, Bay of Panama.

MARCGRAVIACER.

92. Ruyscnta bicolor, sp. n., (Plate XXIX.) foliis oblongo-vel ovali-ellipticis obtusis aristula
decidua mucronatis basi rotundato-cuneatis, bractez tripartitee cruribus oblongo-linearibus obtusis
calcare apice discolore clavato brevioribus.—Isle of Gorgona.

Folia 3-4-pollicaria, margine minime revoluta. Pedicelli pollicares. Bractew pedicelli et calyces kermesini.
Calcar pollicare, apice tumidum, flavidum. Petala intus rubra, extus flavida,

Plate XXIX. fig. 1, bractea and bud; fig. 2, flower expanded ; fig. 3, portion of the stamens
and corolla; fig. 4, ovary; all magnified.

93. Ruyscuta? subsessilis, sp. n., foliis subsessilibus oblongo-ellipticis obtusis margine recurvis
basi truncato-cordatis, racemo abbreviato.—Isthmus of Darien.

Specimen adest unicum, fructiferum. Ramulus crassus, cortice laxo leviusculo. Folia 3-4 poll. longa,
15-18 lin. lata. Pedicelli approximati, fere 2 poll. longi, prope basin cicatrice notati bracteze delapes.
Sepala 5, brevia, rotundata. Capsula coriacea, sublignosa, 6 lin. diametro, stigmate 6-7-lobo coronata, —
placenta spongiosa villosa (6-loba?) repleta, obscure pluri-(6-7-?) locularis. Semina in loculis plurima, —
oblonga, nigra.

U

74 BOTANY OF THE VOYAGE OF THE SULPHUR.

TRIGONIACEE.

94. Triconia rugosa, sp. n., foliis petiolatis ovato-oblongis sublanceolatisve acuminatis basi
rotundatis subrugosis supra glabris subtus niveo-tomentosis, floribus secus ramos paucos panicule
congestis, capsulis ovatis——Columbia.

Ramuli novelli subflavido-tomentosi, rami lana nivea laxa detergibili vestiti, demum glabrati. Folia
3-5-pollicaria, bullato-rugosa, petiolo 3-4 lin. longo. Flores quam in 7’. vi//osa multo minores, majores tamen
quam in 7. crotoncide. Sepala extus nivea. Stamina antherifera 5, sterilia 4-5. Glandule 2, obtuse.
Capsula latitudine vix duplo longior, in speciminibus 8-9 lin. longa sed nondum matura.

A very distinct species, allied on the one hand to 7’. nivea, and on the other
to TZ’. crotonoides.

MALPIGHIACER.

95. Maurieuta retusa, sp. n., foliis brevibus ovatis ellipticisve obtusis vel emarginatis inte-
gerrimis utrinque pilis malpighiaceis pubescentibus, umbellis paucifloris, calyce 7-8-glanduloso.—Isle
of Puna, near Guayaquil.

Species paucis notis differt a descriptione Jussiceana M. Galeottiane. Rami juniores pilis adpressis sericeis
obtecti, subflavicantes, adulti glabrati. Folia majora 9-10 lin, longa, 5-7 lin. lata, omnia obtusa et seepius emar-
ginata, pilis utrinque sparsis tenuibus medifixis raro simplicibus, in pagina superiore densioribus quam in infe-
riore; glandulze nulle ; petiolus 1 lin. longus, dense pubescens ; stipulee minute setacee. Umbelle 2-4 flora.
Pedunculi diversorum ordinum adpresso-pilosi, communis brevissimus subnullus, floriferi 1-13 lin. longi, cum
pedicello 1-2 lin. longo articulati. Bracteee et bracteole minute. Calycis lacinize ovato-lanceolate, obtusius-
cule, extus tomentose, 2 vel 3 basi biglandulose, 3 vel 2 uniglandulose. Petala calyce plus duplo longiora,
suborbiculata, in floribus tamen examinatis a vermibus partim destructa. Stamina glabra, basi brevissime
wate 3 antheree ovato-cordate. Ovaria in unicum glabrum coalita, singula dorso obscure costata. Styli
ovario longiores, glabri, apice truncato dilatato triquetroque stigmatiferi. Fructus non suppetit.

96. SticMarnyLivw ellipticum, Ad. Juss.? Malp. p. 125.—Panama to Guayaquil.

There are a number of specimens in different states which may possibly
belong to more than one species, but they are not sufficient to show any distinctive
characters which are not very variable in this genus. The Panama specimens (in
flower only) agree well with Kunth’s description. of the foliage and inflorescence,
and with Jussieu’s notes on the flower. Among those from Guayaquil (in flower
also), some are like the Panama ones, others have many-flowered umbels, the
middle one sessile, the two lateral pedicellate, and the floral leaves like those of
the stem. Others, again, from the Gulf of Fonseca in flower, and from Atacames
in fruit, have the same many-flowered inflorescence, but the stem leaves are

me more pointed, coriaceous, and shining. In all, the flowers appear to be
arge.

WESTERN TROPICAL AMERICA. 75

97. SticMAPHYLLUM fulgens, Ad. Juss. Malp. p. 116.—Realejo.
98. Hersroprerys Mathewsana, Ad. Juss.? Malp. p. 200.—Veragua.

A single specimen with the flowers much injured and without fruit, but

agreeing, as far as it goes, with Jussieu’s description, except that the leaves are
rather smaller.

99, Herrroprerys Beechyana, Ad. Juss. Malp, p. 221.—Acapulco, also in the Consul’s garden

at Puna, near Guayaquil.
100. TreTrapTerys Acapulcensis, Humb. et Kunth.—Ad. Juss. Malp. p. 267.—Acapulco.

101. Hirwa Barclayana, sp. n., foliis obovatis obtusissimis basi angustatis cordatis, supra
glabriusculis subtus pubescentibus, petiolo biglanduloso bistipulato, umbellis breviter pedunculatis,
pedicellis elongatis sericeis, calyce eglanduloso, samaree alis pilosiusculis lateralibus dorsali cristee~
formi multoties longioribus.—Libertad in Columbia.

Rami juniores angulato-compressi, pube adpressa densa canescentes, adulti glabriores. Folia 3-5 poll.
longa, supra medium 2-2 poll. lata, apice sepe emarginata, prope basin contracta et ima basi obtusa plus
minus emarginato-cordata, supra glabra vel pilis raris simplicibus conspersa, subtus pallida, pilis simplicibus
sparsis vestita, in costa nervisque adpressis et preesertim in costa nonnullis malpighiaceis medifixis admixtis ;
costa venzeque primaric subtus prominule, venule transverse retiformesque parum conspicue ; petiolus 2-4 lin.
longus, tomento denso adpresso canescens, sub apice biglandulosus et supra basin stipulis 2 lineari-subulatis
recurvo-patentibus auctus. Umbelle axillares, pedunculo communi crasso 2-3 lin. longo apice bibracteato
3-umbellifero insidentes. Pedicelli bracteis bracteolisque parvis lanceolatis capitatim congesti, tenues, pollicares
uti pedunculi bractea et calyces pube adpressa obtecti. Flores non vidi. Calycis fructiferi lacinize lato-lanceo-
latee videntur, sed partim obliterati sunt. Samare seepius abortu solitarie, dense pubescentes, dorso cristate,
crista brevissima undulato-crenata glabra; alee in utroque latere samare semicirculares, ? poll. longe, fere
13 poll. late, tenuiter membranacex, pilis simplicibus conspersee, margine irregulariter crenate.

This species differs from H. crassipes by the absence of glands on the calyx,
and the pubescence of the leaves, from H. Kunthiana chiefly by the leaves, which
are larger, remarkably obtuse, and neither coriaceous nor shining.

102. Gaupienaup1a Schiedeana, Ad. Juss. Malp. p. 337.—Acapulco.

SApPINDACEE.

103. CarprosPermum hispidum, Humb. et Kunth—DC.? Prod. 1. p. 602.—Acapulco.
A single specimen without flowers.

104, Carprospermum coluteoides, Humb. et Kunth.—DC. Prod. 1. p. 602,—Isle of Taboga,
Bay of Panama. |

This agrees precisely with Kunth’s description. The very young fruit is
ciliate on the angles with a few long hairs which soon fall off, and the capsule is

76 BOTANY OF THE VOYAGE OF THE SULPHUR.

perfectly smooth long before its maturity. In the common Brazilian form, the
capsule is always pubescent all over, as described by Cambessedes, and rather
more pointed.

105. Urvitn#a Berteriana, DC.? Prod. 1. p. 602.—Realejo.

106. Srrsanra brevipes, sp. n., foliis brevissime petiolatis ternatis, foliolis lato-ovatis Stiinta
crenatis mucronatis, lateralibus basi truncato-cordatis, terminali basi late rotundata, petiolulo brevi
cuneato-alato, omnibus supra minute hirtellis subtus ramulisque molliter tomentoso-villosis, racemis
simplicibus brevibus densis, calyce 5-phyllo.—Columbia and Guayaquil.

Ramuli angulati. Petiolus communis vix unquam semipollicaris, subteres. Foliola lateralia 1-1}-polli-
caria, crenaturis apiceque obtusiusculis cum mucrone, subsessilia vel brevissime petiolulata ; terminale epee
longius, multo latius, cum petiolulo 2-4 lin. longo continuum. Pedunculus communis folio brevior, rigidats,
tomentoso-villosus, apice bicirrhosus. Racemus 1-4-pollicaris, pedunculis secundariis brevissimis 2-4-floris,
pedicellis subnullis. Calyx pubescens. Fructus junior tomentoso-pubescens, maturum non vidi.

107. Sersanta glabrata, Humb. et Kunth.—DC. Prod. 1. p. 603.—Salango in Columbia.
108. Sersanta racemosa, Schum.—DC, |. c.—Realejo.

109. Sersanta mexicana, Willd. ?—DC. ? 1. c.—Tepic.

110. Sersanta paniculata, Humb. et Kunth?—DC.? 1. e—Acapulco.

111. Sersania lupulina, Schum ?—DC.? Prod. 1. p. 604,—Columbia.

The species of Serjania are numerous in tropical America, and variable in

the size and form of the leaves, and without good specimens both in flower and

fruit it is exceedingly difficult to determine them, especially as so many have been
described from very imperfect materials.

112. Pauturta fuscescens, Humb. et Kunth? Nov. Gen. 5. p- 120.—Isle of Taboga, Bay of
Panama.

These specimens, as far as they go, agree with Kunth’s description ; but like
his they are in flower only, and too young to determine the genus, which is more
probably Serjania than Paullinia.

113. Pavurnta curassavica, Linn.—DC. Prod. 1. p- 605.—Tepic and Realejo.
114. Pautuinta barbadensis, Jacq.—DC. 1. c— Atacames in Columbia.

The young capsules are pubescent, but they become smooth or nearly so

when ripe. The specimens are quite similar to those from Jamaica, the West
Indies, various parts of Brazil, &c.

WESTERN TROPICAL AMERICA. 77

AMPELIDE.*

115. Cissus salutaris, Humb. et Kunth?—DC.? Prod. 1. 630.—Guayaquil.
A single specimen in an imperfect state.

116. Cissus obtusata, sp. n., foliis simplicibus obovatis ovatisve obtusissimis vel vix obtuse acu-
minatis basi angustato-cuneatis 5-nerviis, margine minute et remote dentatis, utrinque ramulisque
glabris, umbelle glabra ramis 5 bifidis cymosis.—Panama.

Folia 2-3-pollicaria, longiuscule petiolata, basi sepe ineequilatera, dentibus argutis seepe obsoletis. Pedun-
culi petiolo sublongiores, angulato-striati.

There are also very incomplete specimens of another simple-leaved Cissus
from Columbia, perhaps new, but not in a state to be determined.

GERANIACEE.

117. Tropmotum Moritzianum, Link. Kl. et Otto, Ic, Rar. p. 41. t. 17.—Guayaquil.

OXALIDACEZ.

118. Oxauis Neei, DC. Prod. 1. p. 690.—Zuce. Oxal. Nachtr. p. 86.—Acapulco; Tiger
Island, Gulf of Fonseca.

119. Oxatis microcarpa, sp. n., caulescens, erecta, pubescens, foliolis 3 ovato-vel oblongo-
rhombeis obtusiusculis basi cuneatis ciliatis utrinque puberulis subtus glaucis, terminali distante, late-
ralibus ineequilateris, pedunculis elongato-bifidis multifloris, sepalis acutis capsulas sequantibus.—
Columbia.

Herba humilis, vix unquam in speciminibus pedalis, apice more 0. Barrelieri et affinium alternatim vel
fasciculatim foliosa, plus minus pubescens. Stipule inconspicuw. Petioli graciles, pollicares, Foliolum termi-
nale 6-10 lin. longum vel rarius pollicare, lateralia minora, angustiora, in speciminibus ibs args fere ave
Pedunculus 2-3-pollicaris, gracilis, ramis demum ultrapollicaribus simplicibus. Flores breviter pedicellati, 1 lin.
longi. Stamina longiora et styli apice pilis paucis barbata. Capsule loculi monospermi.

Allied to O. Barrelieri and O. hedysaroides, but more slender and readily dis-
tinguished by the small size of the flowers and especially of the fruit.
* There are specimens in the collection of Metra Azedarach, Linn., belonging to Meliacew, and of a

Species or variety of Citron, belonging to Aurantiacea, which I have omitted as not being indigenous.
x

78 BOTANY OF THE VOYAGE OF THE SULPHUR.

SIMARUBACEE.

120, Quassta amara, Linn. fil—DC. Prod. 1. p. 733.—Manzanilla Bay, Isle of Taboga,
Veragua, &c.

CELASTRACEE.

121. Hrerocratea ezcelsa, Humb. et Kunth.—DC. Prod. 1. p. 569.—Veragua.

This agrees with Kunth’s description, except that I find the stamens and
ovaries always three, and not four or five. The young capsules are very broadly
obcordate.

122. Hippocratea floribunda, sp. n., foliis ovali-ellipticis oblongisve breviter et obtuse acumi-
natis integerrimis utrinque ramulis paniculisque glabris, paniculis folio brevioribus repetite trichotome
vel umbellatim ramosis, infimis corymbosis, floribus canescentibus.—Isle of Gorgona.

Folia fere H. ewcelsw, sed constanter integerrima, 2-3} poll. longa, basi cuneata, petiolo 3 lin. longo.
Pedunculi et paniculee rami acute angulati, glaberrimi. Flores numerosissimi. Sepala brevissima, orbiculata,
integra, extus canescentia. Petala oblonga, obtusa, calyce triplo longiora, vix tamen semilineam excedentia,
extus canescentia. Stamina tria, intus prope basin disci inserta.

RHAMNACEE.

123. Zizypuvs thyrsiflora, sp. n., glabriuscula, inermis, foliis petiolatis late ovatis obtusis
crenatis subintegerrimisve basi subcordatis supra nitidis, cymis pedunculatis in paniculam thyrs-

oideam vix basi foliatam dispositis, fructu oblongo.—Guayaquil.—Gathered there also by Hartweg,
n. 646,

Iconi Vahlianee Z. reticulate similis, sed foliis evidentius crenatis oculo nudo glabris, et fructu forma
diversa videtur, Arbor est 15-20-pedalis. Ramuli subteretes, glabri, vel vix summo apice in panicula minute
pera Folia 23-3-poll. longa, 2-2} poll. lata, triplinervia, vel adjectis nervis exterioribus tenuioribus
eciticriduen aes evidenter crenata, denticulisque inter crenas callosis minutis, supra nitida glaberrima, subtus
— minutis raris nonnisi ope lente conspicuis conspersa. Petioli 4-6 lin. longi. Paniculee terminales, 2-4-pol-
licares, constantes e cymis pluri-vel multi-floris pedunculatis, quarum inferiores ex axillis superioribus nate,

superiores — ebracteate nec bracteis subtensee, Flores et partium proportio omnino Z. reticulatw. Drupe
forma et magnitudo fere Z. eulgaris.

ae venilety — sp. Ds glabra, foliis ovato-lanceolatis acuminatis basi rotundatis

mote denticulatis dentibus subtus glanduliferis, cymis axillaribus breviter pedunculatis. —
Acapulco.

Ramuli tenues, teretes. Folia 2-23-poll. longa, 8-10 lin.

‘ HS lata, longiuscule acuminata, dentibus utrinque
1-4 obtusis notata, basi trinervia venisque secus costam m, : 3

ediam utrinque 1-2 prominulis subpenninervia,

WESTERN TROPICAL AMERICA. 79

petiolo 3-5 lin. longo. Inflorescentia et flores parvi fere Z. vulgaris, Stamina longitudine calycis, Petala
subbreviora, obovato-oblonga, convoluta. Fructus non vidi.

125. Govanta corylifolia Raddi.—DC. Prod. 2. p. 39.—Columbia.
I can see no difference of specific importance between these specimens and
the common Brazilian form, but the genus is at present in so much confusion that

it is doubtful whether both may not be referable to some of the older described
species. The fruit is acutely three-winged.

ANACARDIACER.

126. Ruus terebinthifolia, Schlecht. Linnea, 5. p. 600.—Tepic.

127. Ruus macrophylla, Hook. et Arn. Bot. Beech. p. 413.—Acapulco.

128. Manairera indica, Linn.—DC. Prod. 2. p. 63.—Panama, Columbia, Guayaquil.
129. Anacarvium occidentale, Linn.—DC. Prod. 2. p. 62.—Panama to Guayaquil.

130. Rurnocarpus excelsus, Humb. et Kunth. — Anacardium rhinocarpus. DC. Prod. 2.
p. 62.—Columbia.

131. Sponpias purpurea, Linn.?—DC.? Prod. 2. p. 75.—Guayaquil.

CoNNARACES.

132. Ompuaopir? vel Connart? sp.—lIsle of Taboga, Bay of Panama.

The specimen is a very indifferent one in fruit only, apparently differing
from Omphalobium Perrottetii in the smaller size of the folioles, and in the fruit
covered with a dense rusty down. The calyx is that of Omphalobium, but the
specimen is insufficient to determine the genus with certainty.

LEGUMINOSE.

133. Croratarta Hookeriana, Alph. DC. 8. Not. Pl. Rar. Gen. p. 23.—Tepic.
Scarcely different from C. ovalis of Pursh.

134. Crorataria buplevrifolia, Schlecht. Linnea, 5. p. 575.—Hook. Ic. Pl. t. 382.—Tepic.

135. Croratarta Tepicana, Hook. et Arn. Bot. Beech. p. 414,—Tepic.

136. Croratarta longirostrata, Hook. et Arn. Bot. Beech. p. 285 and 414,—Acapulco ; and a
variety with the leaflets from an inch to an inch and a half long.—Gulf of Fonseca.

137. Croratarta Maypurensis, Humb. et Kunth.—DC. Prod. 2. p. 132.—C. Acapulcensis,
Hook. et Arn. Bot. Beech. p. 414.—Acapuleo.

80 BOTANY OF THE VOYAGE OF THE SULPHUR.

138. Crorararta incana, Linn.*—DC. Prod. 2. p. 132.—Columbia and Guayaquil, Acapulco.
139. Metitorus parviflora, Desf—DC. Prod. 2. p. 187.—Guayaquil.

140. Inpicorera anil, Linn.—DC. Prod. 2. p. 225.—Guayaquil.

141. Ivpicorera lespedezioides, Humb. et Kunth.—DC. Prod. 2. p. 226.—Realejo.

142. Daea diffusa, Moricand, Pl. Amer. p. 8. t. 6.—D. gracilis, ‘Hook. et Arn. Bot. Beech.
p. 287 and 416.—Acapulco.
143. Daxea elegans, Hook. et Arn. in Bot. Misc. 3. p. 183, et Bot. Beech. p. 417.—Tepic.

Although this does not appear to be the same as any of the older described
species, it has travelled far with the Spaniards, being certainly the same as the
one gathered by Gillies in the Cerro del Morro in the province of S. Luis,
S. America, and having been also found at Manilla by Russian navigators and by
Cuming.

144. Dana elata, Hook. et Arn. Bot. Beech. p. 416.—Acapulco.

145. Terurosta toxicaria, Pers.—DC. Prod. 2. p. 249.—Hook. et Arn. Bot. Beech. p. 416.—
Acapulco.

146. Tepurosia leucantha, Humb. et Kunth.—DC. Prod. 2. p. 252.—Acapulco.

147. Terurosta (Xiphocarpus) crassifolia, sp. n., fruticosa, rubiginoso-vel subcanescenti-vil-
losa, foliolis 5-9 ovali-ellipticis utrinque obtusis supra rugoso-pubescentibus subtus rufo-vel subca-
nescenti-villosis, racemis axillaribus, pedicellis brevissimis subfasciculatis, calycis laciniis setaceo-acu-
minatis, infimis tubo longioribus, vexillo dense sericeo-villoso, legumine ferrugineo-villoso intus
celluloso.— Acapulco.

Rami crassiusculi, subflexuosi, pube densa velutini. Stipulee lanceolate, acute, decidue, extus villose,
intus glabre. Foliorum petiolus communis 1-2-pollicaris. Foliola opposita, inferiora a caule parum distantia,
6-18 lin. longa, superiora majora, terminale 2-3-pollicare, omnia obtusissima, basi rotundata, margine recurva,
venis subtus prominentibus. Stipelle obsolets, vel inter villis petiolorum minime. Racemi demum 4-6-pol-
licares, Bractee parva, stipulis conformes, decidua. Flores nunc sessiles, nunc pedicello 1-3 lin. longo stipati.
Calycis tubus 1 lin. longus, dentes inferiores paullo longiores, superiores subbreviores basi latiores. Corolla et
stamina 7’. toxicaria.

148. Terarosta piscatoria, Pers.—DC. Prod. 2. p. 252.—Realejo.

: : The ©. incana (Hook. et Arn. Bot. Beech. p. 285) from Mexico, but without any precise station, is a
distinct species, which may be thus characterized :—

C. ervocarpa, fruticosa, ramulis pubescenti-villosis, stipulis subnullis, foliolis latiuscule oblongis obtusis
basi cuneatis supra glabris subtus pubescentibus, racemo elongato multifloro, bracteis setaceo-acuminatis pedi-
— subeequantibus, bracteolis minutis, calycibus villosis vexillo pubescente carinaque margine ciliata bre-
vioribus, legumine brevissime stipitato oblongo-cylindraceo dense tomentoso-villoso.—Mexico, Beechey, Tate, ete.

sian habitu et floribus Fruticosis accedens, legumen Incanarum. Ramuli superne striati, pube densa sub-
patente, in Junioribus rufo-vel canescenti-nitente. Petiolidemum pollicares. Foliola parum ineequalia, 14-2-polli-
ria, Racemua demum fere pedalis. Flores majusculi. Pedicelli 3-4 lin. longi. Calyces 5 lin. longi, in alabastro
acuminati, laciniis lateralibus inter se diu coherentibus. Vexillum calycem lineis 1-2 excedit. Carina calyci sub-

eequalis, valde incurva, acute rostrata, brevius tam i : li i i interi
x en quam in C. Maypurensi, linea dorsali margineque interiore
leviter pubescentibus. sa : ii

WESTERN TROPICAL AMERICA. 81

149. Teprosta oroboides, Humb. et Kunth.—DC., Prod. 2. p. 250.—Gulf of Fonseca.
150. Trepurosta mollis, Humb. et Kunth.—DC. Prod. 2. p- 250.—Gulf of Fonseca.

This species is closely allied to 7’. ochroleuca. The flowers are smaller; the
divisions of the calyx longer ; the pod slightly pubescent.

151. Tepurosta (Craccoides) glabrescens, sp. n., herbacea, glabriuscula, foliolis 5-9 obovatis
oblongisve tenuiter membranaceis supra glabris subtus adpresse pilosis glabratisve, racemis laxis folio
sublongioribus, calycis puberuli laciniis subulatis superioribus tubo subaequilongis infima paullo lon-
giore alis dimidio breviore, legumine glaberrimo.—Columbia.

7’. ochroleuce affinis, at satis distincta videtur glabritie, foliolis tenuibus, pedicellis duplo longioribus, floribus
paullo majoribus.

152. Tepurosta (Craccoides) glandulifera, sp. n., herbacea, foliolis 11-21 oblongo-ellipticis
utrinque preesertim subtus ramisque molliter subsericeo-pubescentibus villosisve, racemis folio multo
longioribus laxis, pedunculo pedicellis calycibusque glanduloso-pubescentibus, calycis laciniis subu-
latis tubo subtriplo longioribus carinam subeequantibus, legumine tenuiter pubescente.—Guayaquil ;
gathered there also by Hartweg, n. 648.

Habitus et folia fere 7. caribew, cui et T. ochroleuce affinis. Foliola 4-5 lin. vel in umbrosis 8-10 lin,
longa, basi obliqua parum angustata vel rotundata, apice obtusa cum mucrone. Stipule subulato-setaces,
2-3 lin. longee. Stipellee minute, rarius obsolete. Racemi cum pedunculo 4-8-pollicares, pube molli cum
pilis glanduliferis plus minus intermixta. Flores in racemo 6-10, majores quam in 7’. ochroleuca, minores
quam in 7’. caribea. Pedicelli circa 2 lin. longi. Bractez setaceze, decidue. Legumen sessile, leviter incur-
vum, undique equilatum vel basi parum angustatum, uti in affinibus obtusum, compressum, lineis transversis
depressis inter semina torulosum, intus septatum. Semina quadrata.

153. Prscrpra erythrina, Linn.—DC. Prod. 2. p. 267.—Guayaquil.

154. Loncuocarrus maculatus, DC. Prod. 2. p. 260.—Nicoya.

155. Loncuocarrvs, sp., without leaves from Central America, apparently new, but insufficient
to describe.

156. AsTRAGALus ervoides, Hook. et Arn. sp. n., Bot. Beech. p. 417.—Tepie.

157. Puanartum latisiliquum, Desv. Ann. Sc. Nat. Par. 9. p. 411. (Plate XXX.)—Atacames.

When this plant was put into the artist’s hands, it was believed to be an
entirely new genus of Hedysaree ; it has, however, since been ascertained, with
little doubt, to be the same as the one imperfectly described by Desvaux under
the above name shortly after the publication of the second volume of De Candolle's
Prodromus. As it has never since then been mentioned by any other botanist,
and appears to be a scarce plant, there being but a single specimen in the collec-
tion before me, I subjoin an amended generic character and description.

Cuar. Gey. Calyx campanulatus, breviter 5-dentatus. Vexillam ovato-orbiculatum, compli-
catum. Ale oblonge, faleate. Petala carinalia alis subsimilia, apice dorso connata. Stamina ad
medium connata in vaginam postice fissam. Anthere conformes. Legumen breviter stipitatum,
elongatum, planum, sutura utraque ala subcartilaginea marginata, articulis numerosis quadratis in-
dehiscentibus.

Y

82 ‘BOTANY OF THE VOYAGE OF THE SULPHUR.

P. latisiliquum, Fratex? eglandulosus, ramis subteretibus volubilibus longatis, juaioetbiee pube brevi
molli canescentibus, demum glabris. Stipule subfoliaceze, lanceolate, doute acuminate, persistentes, ies tin.
~ longe, liber. Folia impari-pinnata. Petiolus communis bipollicaris, tenuis. Foliola 5, opposite cum terminali
distante, petiolulata, obovata vel orbicularia, obtusissima cum mucronulo, = xorundats, lin. longa, mem-
branacea, impunctata, utrinque tenuiter puberula, subtus pallida. Racemi = folio _— Dreviores
pluriflori. Pedicelli 2 lin. longi, ad axillas bractearum stipulis conformium woltexs, ebracteolati. : Calyx 2 lim
longus, canescenti-pubescens, dentibus brevissimis latis obtusis eipedealibae. Vexillum pemipollaaes basi
in unguem brevem latam angustatum, inappendiculatum, supra unguem medio obsolete be eee bee
vexillo parum breviores, breviter unguiculatee, margine postice supra unguem angulate, foveolis sera
nullis, Carina alis vix brevior, petalis ultra medium liberis, margine basi ciliatis. Legumen gi Pesce.
cum alis 4 lin. latum, glabrum vel pube tenuissima subcanescens, medio wirlague costatum et venis obliquis
tenuiter reticulatum, alis fere lineam latis subaveniis, articulis 12-15 monospermis.

Plate XXX. fig. 1, flower; fig. 2, vexillum; fig. 3, one of the ale; fig. 4, carina; fig. 5,
stamens; fig. 6, joint of the pod opened, showing the seed ; all magnified.

158. AischyNoMENE sensitiva, Sw.—DC. Prod. 2. p. 320.—Columbia.

159. Aiscuynomene glandulosa, Poir—DC. Prod. 2. p. 321.—. hirsuta, Cham. Schl. i
5. p. 583, — Hook. et Arn. Bot. Beech. p. 418. an DC ?— Realejo. — Foliola ut in 42. americana
2-3-nervia.

160. SrytosanruEs humilis, Humb. et Kunth.—DC. Prod. 2. p. 318. var. angustifolia —
Realcjo.

161. Desmoprum (Chalarium) plicatum, Cham. Schlecht. Linnea 5. p. 585.—Tepic.
162. Desmoprum (Chalarium) heterophyllum, Hook et Arn. Bot. Beech. p. 417.—Realejo.

163. Desmoprum (Chalarium) stipulaceum, DC. Prod. 2. p. 330. var. macrophyllum, foliolis
oblongis, usque ad 9 poll. longis—Central America.

164. Desmoprum (Chalarium) affine D. stipulaceo—Isle of Taboga, Bay of Panama.—This is
probably new, but the specimen is insufficient to describe it.

165. Desmopium (Chalarium) podocarpum, sp.n., Hook et Arn. Bot. Beech. p. 417. t. 96.—
Acapulco.

166, Desmoprum (Scorpiurus) scorpiurus, Desy.—DC. Prod. 2. p. 333.—D. incanum 8.
supinum, Hook et Arn. Bot. Beech. p. 417.—Realejo, Puna near Guayaquil.
167. Desmoprum (Heteroloma) triflorum, DC. Prod. 2. p- 334.—Acapulco.

168. Desmoprum (Heteroloma) incanum, DC, Prod, 2. p. 332.—D. ancistrocarpum, DC.
Prod, 2. p. 331.—D. diversifolium, Schlecht. Linnza, 12. p. 313.—Columbia ; and a variety with the
lower leaves reduced to one round leaf, possibly a distinct species; Panama.

169. Drsmoprum (Heteroloma) adscendens, DC, Prod. 2. p. 332.—Columbia.

170. Desmoprom (Heteroloma) axillare, DC. Prod. 2. p. 333.—D. reptans, DC. 1. ¢.—
_D. radicans, Macfad. F|. Jam.—Columbia, together with a more hairy variety.

171. Desmoprum (Heteroloma) Sinelairi, sp. n., elatum, incumbens?, uncinato-hirsutum,
stipulis late lanceolatis acuminatis fusco-membranaceis deciduis, stipellis elongatis, foliolis ovato-

WESTERN TROPICAL AMERICA. 83

lanceolatis subrhombeis acuminatis utrinque pilis appressis supra raris pubescentibus, bracteis basi
latis Jonge acuminatis ante anthesin comosis, calycis laciniis lanceolatis acuminatis, leguminis
articulis 5-8 hirsuto-scabris.—Columbia.

Species D. Limensi valde affinis, at planta subscandens videtur, foliola majore (2-4-pollicaria), stipule et
bracteee multo majores, longius acuminatee, et pili caulis ut in D. uncinato hamato-prehensiles nec ut in
D. Limensi molles.

172. Desmoprum (Nephromeria) molle DC.? Prod. 2. p. 332.—Hedysarum molle, Vahl? Symb.
2. p. 83. elatum, undique breviter subadherente-pubescens, stipulis parvis e basi lata striata sub-
ulato-acuminatis, foliolis ovato-rhombeis subacuminatis obtusis mucronatis utrinque pubescentibus,
racemis paniculatis, floribus minutis, calycis laciniis setaceo-acuminatis suprema bifida, legumine
juniore tortuoso pubescente articulo terminali demum plano reniformi membranaceo glabriusculo
isthmo angustissimo affixo.—Central America.

173. Desmoprum (Nephromeria) Barclayi, sp. n., caule flexuoso hirtello, stipulis brevibus latis
deciduis, foliolis ovato-rhombeis acutiusculis utrinque preesertim subtus puberulis, racemis panicu-
latis, leguminis stipitati demum glabri articulis 1-2 orbiculato-reniformibus submembranaceis glabris,
margine seminali intrusa, isthmis angustissimis.—Central America.

Species, ex diagnosi brevissima Candollei, D. infracto affinis, sed hujus leguminis articuli semi-orbiculati
discrepant. Specimina nonnisi fructifera adsunt. Ramuli crassiusculi, virides, obtuse angulati, Stipule
desunt nisi in gemmulis ubi breves sunt, latee, brevissime acuminate, striate. Stipelle parvee, lanceolate,
acutissime. Petioli 2-3-pollicares. Foliola 2-3-pollicaria, lateralia minora, breviter petiolulata. Racemi in
axillis superioribus et ad apices ramorum paniculam formant laxam divaricatam basi foliosam. Pedicelli 2 lin.
longi. Bractez et flores desunt. Leguminis stipes 2 lin. longus, articuli 6 lin. longi et lati consistentia
subchartacea, reticulati ; sutura dorsalis tres partes circumferentiee occupat, seminalis sinu acutangulo profunde
intrusa. Semen parvum, ovato-reniforme.

Although the old Linnean Hedysara have been broken up by modern botanists
into several distinct genera, yet some of these, and especially Desmodium, have
become so very numerous in species as to require further division into sections.
De Candolle had distributed them provisionally according to their native coun-
tries, but that is of less convenience in this instance than in many others, as —
(owing probably to the prehensile nature of the hairs of the pods) the commoner
tropical Desmodia are so wide spread that it is often difficult to say what is pro-
perly their native station. I have attempted to establish sections on the forms of
their fruit, which, though in some degree artificial, are the best I have been able to
devise. Those above mentioned may be thus characterized. .

Scorpiurus. Legumen angustum, elongatum, maturum yvix compressum, equilatum vel ad articulos

levissime constrictum, articulis latitudine multo longioribus, eequilateris.

Chalarium. Legumen elongatum, compressum, inter articulos ad utramque suturam valde constrictum,

articulis orbiculatis vel ovatis eequilateris vel parum inzequilateris. :

Heteroloma. Legumen elongatum pluriarticulatum vel breve 1-2-articulatum, ve Sn —
seminali continua, ad alteram suturam inter articulos valde constrictum, articulis semiorbicularibus hine rectis
illine convexis,

84 BOTANY OF THE VOYAGE OF THE SULPHUR.

Nephromeria. Legumen plano-compressum, sutura seminali subcontinua ad suturam alteram valde
constrictum, articulis magnis reniformibus seepius membranaceis, sutura seminali cujusve articuli intrusa,

altera valde convexa.

174. Victa bidentata, Hook. Bot. Mise. v. 2. p. 215.—Guayaquil.
175. Currorta ternatea, Linn.—DC. Prod. v. 2. p. 233.—Atacames.

176. Crrrorra arborescens, Ait—DC. Prod. v. 2. p. 235.— C. Poitei, Benth. in Ann. Nat. Hist.
2, p. 234.—Bracteole lanceolate, acute, 3-6 lin. longee.— Panama.

177. Currorta brachystegia, sp. n., fruticosa, scandens, elata, glabra, (vel junior puberula ?)
foliolis ovatis breviter acuminatis amplis subcoriaceis, racemis petiolo brevioribus densifloris, bracteis
bracteolisque brevissimis suborbiculatis, calycis late tubulosi glabri dentibus brevibus latis obtusis,
yexillo sericeo, ovario villoso—— Guayaquil.

Habitus folia et inflorescentia O. arborescentis, sed racemi breviores, flores sessiliores. Calyx vix semi-
pollice longior, dentibus non acuminatis. Bracteole latiores quam longe, vix lineam attingentes.

178. Cenrrosema Plumieri, Benth—Walp. Repert. v. 1. p. 753.—Gulf of Fonseca; Isle of
Taboga; Bay of Panama.

179. Cenrrosema angustifolia, Benth.—Walp. Repert. v. 1. p. 753.—Isle of Taboga; Bay of
Panama.

180, Cenrrosema Salzmanni, Benth. in Tayl. Ann. Nat. Hist. 3. p. 436.—C. virginiana, Hook.
et Arn. Bot. Beech. p. 416. non alior.—Realejo.—Ejusdem var.? gracilis, dentibus calycinis superi-
oribus tubo paullo brevioribus.—Central America.—Ejusdem var.? villosum, foliolis angustioribus,
ramulis inflorescentia leguminibusque villosis.—Isle of Taboga.

It is possible that the two latter varieties may, on the examination of a
greater number of specimens, turn out to be distinct species, or that the first of
the two may be a form of C. angustifolia. The Realejo specimens appear to be
without doubt of the same species as the Brazilian and Guiana ones I possess,
and it is probable that all are mere forms of one very variable plant.

181. CenTrosema hastatum, Benth.—Walp. Repert. 1. p. 756.—Nicoya.

ie SreNoLoBiuM ceruleum, Benth. Ann. Mus. Vind. 2. p. 125.— Mexico and Central
America.

This is the name under which I had originally published this plant, without
perceiving that D. Don had already given it to a Bignoniaceous genus; on that
oe I altered mine to Cyanostremma, which Hooker and Arnott took up
in the Botany of Captain Beechey’s Voyage. It appears now, however, that

rien Stenolobium is not adopted, and if so the name must be retained for my

183. Guycrne ob ramulis an .
ee cen —_ : ulis angulatis retrorsum ferrugineo-villosis, foliolis oblongis lanceo-
sila ai: sia ane obtusis mucronulatis supra glabris vel sparse pilosis subtus adpress¢
passes © longioribus remote multifloris vel inferioribus abbreviatis paucifloris, calycis

WESTERN TROPICAL AMERICA. 85

rufo-villosi labio superiore bidentato, vexillo calyce dimidio longiore, legumine adpresse piloso.—
Teramnus volubilis, Sw — DC. Prod. 2. p, 382.—Guayaquil.

Species G. molli, W. et Arn. (Bujaciw gampsonychiw, E. Mey) arcte affinis, sed foliis angustioribus,
calycis labio superiore brevius fisso et corolla majore distincta. Folia valde variabilia, nunc vix pollicaria,
tenuia, pilis raris, nunc bipollicaria, pilis preesertim in pagina inferiore copiosis ferrugineis. Racemi nune vix
semipollicares, petiolo communi breviores, nunc semipedales, Flores solitarii, gemini vel subfascicnlati, remoti.
Bractere minute. Pedicelli 3-13 lin. longi. Bracteole lanceolate, nervoso-striate, ealyce subtriplo breviores.
Calyx vix 2 lin. longus, rufo-villosus, laciniis anguste lanceolatis tubo vix equilongis, 2 supremis alte connatis.
Vexillum 3 lin. longum, obovatum, basi longiuscule in unguem angustatum, inappendiculatum, ecallosum. Ale
vexillum subzquantes, falcato-oblonge, basi supra unguem obtuse unidentate, foveolis transversis nullis, caring
coheerentes. Carina calycem vix equans, obtusa, biceps, petalis dorso superne connatis. Ovarium sessile,
villosissimum, stylo brevissimo apice capitato-stigmatoso. Legumen sesquipollicare vel paullo longius, forma iis
G. parviflore et mollis simillimum.

184. Gaxactia brevistyla, Schlecht. Linnea, 12. p. 288.—Habitu G. Berteriane, DC. simil-
lima, sed villosior, flores paullo majores. Legumen undique velutino-villosum.— Central America.

185. Dioctra Guianensis B, villosior, Benth. in Hook. Journ. Bot. 2. p. 60.—Panama.—
Ejusdem var. y velutina, major, foliolis seepe semipedalibus, subtus ramis calycibusque rufo-villosis.
—Guayaquil.

186. Canavatta obtusifolia, DC. Prod. 2. p. 404.—Columbia.
A sea-coast plant within the tropics of both the New and the Old World.

187. Cawavaxia ensiformis, DC. Prod. 2. p. 404.—C. gladiata, DC. 1. e.—C. brasiliensis, Mart.
—Gulf of Fonseca,

This plant is also frequently sent from Tropical Asia and Africa, but
perhaps not always really indigenous.
188. Canavatta multiflora, Hook. et Arn. Bot. Beech. p. 416.—Tepic.

189, 190. Fragments of an Enyrartna from Nicoya, and of a Mucuna from the Isle of
Gorgona.

191, Puasrowvs gracilis, Benth. in Ann. Mus. Vind. 2. p. 141.—Realejo.

192. Puasrouus vulgaris, Linn.—DC. Prod. 2. p. 392.—Columbia.

193. Puasrowus truzillensis, Humb. et Kunth.—DC. Prod. 2. p. 391.—Guayaquil.
Varies with the leaves smooth or pubescent.

194. Puasgotus (Leptospron) amplus, sp. n., caule volubili petiolisque pilosulis demum gla-
bratis, foliolis late ovato-rhombeis acuminatis membranaceis glabris vel ad venas pilosulis, pedanealis
petiolo longioribus apice breviter racemiferis, bracteolis parvis ovatis obtusis, caly cis glabri late a-fidi
laciniis ciliatis, superiore brevissima emarginata, inferioribus tubo paullo brevioribus ovatis acutis.—
Central America.

Habitus P. membranacei. Foliola 2-3-pollicaria vel etiam majora, margine subsinuste. a ee
ovato-oblongee. Stipellee minute, oblonge, nervose. Pedunculi nunc vix 3 poll. longi, nunc pedales. Flores

Z

86 BOTANY OF THE VOYAGE OF THE SULPHUR.

in racemo pauci. Calyx membranaceus, reticulato-venosus, tubo quam in affinibus latiore, 3 lin. longo,
laciniis obscure venosis margine subscariosis. Corolla ampla, Ala vexillo paullo longiores. Petala omnia
(in sicco) transverse rugoso-plicata. Stamen vexillare basi appendice acuto auctum.

195. Puaszoxr sp. P. micrantho similis—Tiger Island.—The specimen too imperfect to deter-
mine accurately.

196, LABLAB vulgaris, Savii—DC. Prod. 2. p. 401. var. macrocarpus.—Isle of Puna, near
Guayaquil.

197, Viana villosa, Savii—_DC. Prod. 2. p. 401.—Dolichos mexicanus, Schlecht. Linnea, 12.
p- 329.—Guayaquil.

198. Viana brachystachys, sp. n., caule volubili retrorsum hirto, foliolis ovatis acutis pilosius-
culis glabratisve, pedunculis folio longioribus apice breviter densifloris, pedicellis inferioribus calyce
longioribus, bracteolis oblongo-lanceolatis calyce dimidio brevioribus, calycis late campanulati
pilosuli laciniis 3 superioribus ovatis acutis tubo aequilongis, inferiore longiore lineari acuta, carine
fornicate rostro brevii—Guayaquil.

Caules tenues uti petioli pilis brevibus albidis retrorsis plus minus copiose hirti. Stipulee erect,
lanceolate, obtuse, hirtee, venose, 1-14 lin. longee. Petioli communes 13-2-poll. longi. Stipelle minute,
oblong, obtuse. Foliola 1-2-pollicaria, basi rotundata, membranacea, pilis in venis raris hispidula vel
subglabra. Pedunculi 3-4-pollicares, glabri, apice 6-10-flori. Bracteze parvee, decidue. Flores quam in
V. villosa majores. Pedicelli 2 lin. longi. Calyees fere glabri, tubo 1 lin. longo, laciniee 3 superiores late,
suprema latissima, infima fere 2 lin. longa, concava. Corolla glabra. Vexillum semipollicare, late rotun-
datum, basi biauriculatum, biappendiculatum, et supra unguem medio leviter bicallosum. Ale vexillo
subeequilonge, oblique obovate, basi unidentate. Carina fornicata, breviter rostrata, alis vix brevior. Stamen
vexillare supra basin obscure geniculatum, inappendiculatum. Ovarium villosum. Stylus filiformis, superficie

stigmatosa oblonga laterali, infra stigma barbatus. Species V. villose affinis, sed glabrior, et inflorescentia dis-
tincta.

199. Viena oblonga, sp. n., glabra, foliolis late oblongis ellipticisve obtusis retusis mucronatisve,
pedunculis folio longioribus apice breviter paucifloris, pedicellis calyce brevioribus, bracteolis minutis
deciduis, calycis late campanulati glabri vel vix puberuli lacinia suprema latissima, lateralibus lanceo-
latis acutis, infima acutiore tubo xquilonga, carinee arcuate rostro brevi.—Isle of Gorgona.

Tota planta glabra videtur, vel ad apices pedunculorum et in petiolulis pilis paucis onusta. Stipule vix
semilineam longa, acute. Stipelle minutissime, ovatee, obtuse. Petiolus communis cum rhachi vulgo vix
pollicane: Foliola 1-13 poll. longa, 4-8 lin. lata, trinervia, reticulato-venosa, rigidule membranacea. Pedunculi
3-4-pollicares, crassiusculi, nodis floriferis ad apices paucis approximatis. Flores magnitudine preecedentis.
—— vix linea longiores. Calyx quam in V. brachystachya minor. Vexillum et alee fere ut in illa, carina
minus incurva, acuta. Bractee et bracteole acute, calyce quadruplo breviores.

Viena carinalis, sp. R., setis patentibus retrorsisve hispida, stipulis membranaceis nonnullis
. <a foliolie ovatis obtusis acutisve mucronatis integris vel sinuato-subtrilobis, supra sparse
subtus ad venas pilosis, pedunculis folio longioribus apice brevissime paucifloris, bracteolis parvis

setaceis, calycis tubuloso-campanulati 5-fidi laciniis setaceo-acuminatis tubo sublongioribus, carine
fornicate rostro elongato valde incurvo obtuso.—Columbia.

WESTERN TROPICAL AMERICA. 87

Habitu Phaseolo ovato et Vigne brasiliensi affinis. Sete caulis pedunculorum et petiolorum rigidule,
seepe fuscescentes. Stipule 2-3 lin. longe, lato-lanceolate, obtusiuscule, membranaces, striate, pilose, basi
breviter infra insertionem productee. Petioli communes cum rhachi circa 2 poll. longi. Stipellee subulate,
1-13 lin. longee. Foliola 1}-8-pollicaria, nunc late ovata subrhombea obtusissima, nune sublanceolato-ovata
acuta, rarius lobata, margine ciliata, pilis in pagina superiore longiusculis suberectis, infra pallida. Pedunculus
4-6-pollicaris, basi glabriusculus, superne retrorsum setosus. Nodi floriferi gemini, ad apicem pedunculi
approximati, pauciflori. Pedicelli brevissimi. Bracteee in specimine jam delapse, bracteole lifeam longe.
Calycis tubus 2 lin. longus, fere glaber, lacinize puberule, 2 superiores basi latee. Corolla 9-10 lin. alta ;
vexillum reflexum, supra unguem basi acute biauriculatum, inflexo-appendiculatum ; ale oblong», sub-
tortuose ; carina insigniter striata, in cyclum fere integrum curvata.

I have unfortunately only been able to examine a single flower of this very

distinct plant, of which there was but one specimen in the collection. The form
of the carina is intermediate as it were between that of Phaseolus and Vigna.

201. Ruyncuosta grandiflora, Schlecht.—Hook. et Arn. Bot. Beech. p. 287. t. 59.—Tepic.
202. Ruyncuosta minima, DC. Prod. 2. p. 385.—Panama to Guayaquil.
203. AmEertmnum Brownei, Sw.—DC. Prod. 2. p. 421.—Nicoya, Tumaco.

204. Drepanocarpus microphyllus, G. F. W. Mey.—DC. Prod. 2. p. 420.—Bay of Panama.

The pod of this species remains unknown, and it is uncertain whether it
belongs to Drepanocarpus or Macherium.

205. Macuzrium angustifolium, Vog.—Walp. Rep. 1. p. 794.—Panama.

206. Miscotosn, ? sp.—Isle of Taboga, under the name of the Tamarind ; it is certainly, how-
ever, not of the same genus as the common Tamarind, but a true papilionaceous tree, and ap-
parently a Miscolobium. The specimens are not sufficient to describe.

207. Parxinsonta aculeata, Linn.—DC. Prod. 2. p. 486.—Guayaquil.

208. HamaroxyLon campechianum, Linn.—DC. Prod. 2. p. 485.—Culebra and Realejo, in
Central America.

209. Casaupinta pulcherrima, Sw.—Poinciana pulcherrima, Linn.—DC. Prod. 2. p. 484.—
Columbia.

210. Caxsaurinia precoz, Ruiz et Pav.—Hook. et Arn. Bot. Mise. 3. p. 208.—Columbia.

211. Casatprnia (Libidibia) corymbosa, sp. D+ inermis, glabra vel petiolis superioribus
inflorescentiaque puberulis, pinnis 6-8-jugis, foliolis 6-10-jugis ovato-vel oblongo-ellipticis obtusis,
panicula densa subcorymbosa, calycis limbi laciniis subpetaloideis, staminibus corollam vix exceden-
tibus, filamentis pilosulis seriei interioris glanduliferis, legumine recto crasso compresso spongloso-
coriaceo sub-8-spermo.—Guayaquil.—Gathered there also by Hartweg, n. 117; and on the coast of
Peru by Cuming, n. 986.

Arbor 15-20-pedalis, dense foliosa. Folia 4-6-pollicaria, foliola pleraque -4-lin. longa, utrinque obtusa,

see ?), Panicule ad apices ramorum foliis

imarpwie” sab . : : vel dela A
gine subrecurva, venulosa. Stipule inconspicue ( P cito decidue. Pedicelli

superioribus breviores, corymbosee, multiflora. Bractesee membranacew, minute,

88 BOTANY OF THE VOYAGE OF THE SULPHUR.

2-3 lin. longi, in ramis panicule dense racemosi, puberuli, ebracteati. Calyx 33 lin. longus, glaber, limbo
5-partito tubo suo subduplo longiore, laciniis per anthesin reflexis, 4 superioribus lanceolatis acutis, in-
fima paullo longiore late oblonga obtusa concava. Stamina inter se subeequilonga. Ovarium glabrum,
Stylus stamina «zquans, apice clavato-incrassatus, apice stigmatoso truncato perforato. Legumen brevissime
stipitatum, 3-4 poll. longum, 6-7 lin. latum, crasse carnoso-coriaceum, intus spongiosum, circa semina induratum.
Semina oblonga, transversa, in loculis leguminis solitarie nidulantia.

212. Cmsaxpmnta eriostachys, sp. 0.,inermis, pinnis 6-8 jugis cum impari, foliolis 15-30 alternis
oblongo-rhombeis obtusis valde obliquis supra nitidis subtus minute puberulis, petiolis pubescentibus,
racemis laxis simplicibus calycibusque ferrugineo-tomentosis, staminibus corollam squantibus,
filamentis (omnibus ?) glanduloso-hirtis.—Nicoya and Cocos Island.

Foliola pleraque 3-4 lin, longa, Racemi 4-6-pollicares. Pedicelli 8-10 lin. longi. Calyces 5 lin., tubo
brevissimo, laciniis oblongis, 4 superioribus subzequilongis, inferiore paullo majore concavo. Flores in speci-
minibus a vermibus fere destructi et petalorum nonnisi fragmenta vidi. Ovarium glabrum. Stylus apice
leviter incrassato-clavatus, apice stigmatoso truncato perforato.

213. Cassta Brasiliana, Lam.—Walp. Rep. 1. p. 812.—Panama.

214, Cassta viminea, Linn.—Walp. Rep. 1. p. 814.—C. undulata, Benth. in Hook. Journ.
Bot. 2. p. 76.—Panama.

215. Cassta bacillaris, Linn.—Walp. Rep. 1. p. 813.—Tumaco.

216. Cassta oxyphylla, Humb. et Kunth. ?—Walp. Rep. 1. p. 823 —Central America.

These specimens agree very well with Kunth’s description, except in the size
of the leaflets. The terminal ones are often four inches long and two inches
broad, and nearly equilateral.

217. Cassia bicapsularis, Linn.—Walp. Rep. 1. p. 815.—Atacames, Guayaquil.

218. Cassta occidentalis, Linn.—Walp. Rep. 1. p. 816.—Panama.

219. Cassta alata, Linn.—Walp. Rep. 1. p. 816.—Columbia.

220. Cassta biflora, Linn.—Walp. Rep. 1. p. 819.—Tiger Island; and a variety, with two or
three pair of leaflets, Gulf of Fonseca.

221. Cassta picta, Don.—Walp. Rep. 1. p. 821.— Guayaquil.

222. Cassta reticulata, Willd.— Walp. Rep. 1. p. 822.—C. strobilacea, Humb. et Kunth.—
Guayaquil.

223. Cassta pauciflora, Humb. et Kunth—Walp. Rep. 1. p. 829.—C. punctulata, Hook. et
Arn,? Bot. Beech. p. 420.—Realejo.

224, Cassta diphylla, Lam.—Walp. Rep. 1. p. 831.—Realejo.
225. Cassta prostrata, Humb. et Kunth.— Walp. Rep. 1. p. 833.—Realejo.
226. Swarrzia grandiflora, Willd.—DC. Prod. 2. p- 422.—Acapulco.

227. (CasPARIA subrotundifolia, Kanth.— Bauhinia subrotundifolia, Cav.— DC. Prod. 2. p. 512.—
B. Lunaria, Hook. et Arn. Bot. Beech. p- 420. non. Cay.— Acapulco.

228. CasPaRIA Pes-capre, Kunth.— Bauhinia Pes-capre, Cav.—DC. Prod. 2. p. 512.— Acapulco.
229. Caspanta latifolia, Kunth.— Bauhinia latifolia, Cay.—DC. Prod. 2. p. 513.—Acapulco.

WESTERN TROPICAL AMERICA. 89

230. Bauninr# sp., apparently new, but in fruit only—Acapulco.

231. Bavarnta inermis, Pers—DC. Prod. 2. p. 514.—Acapuleo; Tepic; Realejo; Fonseca.
232. Bauninta grandiflora, Juss.—DC. Prod. 2. p. 513.—Guayaquil.

233. SCHNELLA columbiensis.—Bauhinia columbiensis, Vog.—Walp. Rep. 2. p. 852.—Panama.

234. CrupyA acuminata, sp. n., foliis subsenis oblongis longe acuminatis basi inaqualibus
subfalcatis utrinque ramisque glabris, pedicellis abbreviatis, legumine late ovato plano reticulato-
rugoso ferrugineo-villoso.—Central America.

Foliola alterna, basi hinc rotundata illinc angustata, terminalia 3-4 poll. longa, supra medium latiora
(13 poll. lata) infra apicem abrupte angustata in cuspidem 6-9 lin. longum obtusum, lateralia gradatim minora.
Racemorum rhachis semipedalis. Pedicelli fructiferi 2 lin. longi, crassi. Legumen 24 poll. longum, fere
2 poll. latum, coriaceum.

A species very distinct from any hitherto published, but nearly allied to an
unpublished one long since brought from Cayenne by Martin.*

235. Prerapenta (Eupiptadenia) patens, sp. n., scandens, ramulis petiolisque pubescentibus
aculeatis, pinnis 3-4-jugis, foliolis subtrijugis obovatis glabris vel basi ciliatis, corolla calyce triplo
longiore, staminibus corolla dimidio longioribus, ovario brevissime stipitato villoso.—-Inga? patens,

Hook. et Arn. Bot. Beech. p. 419.—Realejo.

Species P. latifolie valde affinis, differt panicula ampliore, pube in ramulis, petiolis, paniculeeque ramis
molli, floribus minoribus, staminibus calyceque proportione corolla brevioribus et ovario brevius stipitato minus
villoso. Legumen quod nonnisi junius vidi, jam multo glabrius est quam in P. /atifolia, Stamina certe
decem, nec sub-20, uti mendo quoque a Hook. et Arn. 1. c. dicuntur.

Ejusdem var. macrophylia, foliolis 1} poll. longis, 1 poll. latis subglaucis. —Gulf of Fonseca.
236. Nerrunta plena, Benth—Walp. Rep. 1. p. 863.—Guayaquil.

237. Mimosa floribunda, Willd.—Walp. Rep. 1. p. 865.— Acapulco to Guayaquil. |
238. Mimosa pudica, Linn.—DC. Prod. 2. p. 426.—Panama.

239. Mimosa (Habbasia § 3 Cesalpinizefolize) guatemalensis, sp. n.—ZInga guatemalensis, Hook.
et Arn. Bot. Beech. p. 419.—Realejo.

240. Mimosa asperata, Linn.— Walp. Rep.l. p. 878.—Guayaquil.
241. Mimosa elliptica, Benth.—Walp. Rep. 1. p. 878.—Columbia.

242. Mimosa (Habbasia § 9. Dormientes) eschynomenes, sp. D., herbacea ? P LOCOS, pad 6
caule petiolisque setoso-hispidis, stipulis ovato-cordatis lanceolatisve ai cA TES $-6-jugis,
foliolis 10-30-jugis oblongo-linearibus ciliatis glabriusculis, capitulis parvis brevissime pedunculatis,
bracteolis lanceolatis ciliato-setosis corollam superantibus, legumine oblongo 1-2-articulato vix obliquo
undique setoso.—Realejo.

* C. oblonga, foliolis 4-5 oblongis basi parum inequalibus rectis breviter airomeien subtus puberulis supra
cauleque glabris, pedicellis gracilibus, ovario ferrugineo-villoso.—Cayenne, Martin.
AA

90 BOTANY OF THE VOYAGE OF THE SULPHUR.

Rami teretes, 1-2-pedales, divaricato-ramosi, setis numerosis rigidis.hispidi, inter setas puberuli. Aculeos
nullos vidi, Stipule 2-3 lin. longe, glabra, ciliate, fusca, insigniter striate. Petioli communes 1-2 poll.
longi. inne pollice longiores vel inferiores breviores, inter se distantes. Setee inter pinnas seepius vix
semilineam longee, basi subdilatates. Stipelle vix conspicuee. Foliola 2-3 lin. longa, acutiuscula vel obtusa,
venosa, basi obliqua, 1-3-nervia. Pedunculi 1-3 lin. longi. Capitula florifera 2-3 lin. diametro, ciliis
bracteolarum hispidissima. Calyx minutus. Corolla membranacea, laciniis brevibus pilosulis. Ovarium
hirsutissimum. Legumen 2-4 lin. longum, vix 2 lin, latum, acutiusculum.

Very nearly allied to M. camporum, and perhaps a mere variety, but it is
much more hairy, has no prickles, the stipules are broader and the bracts longer.

243. Mimosa (Habbasia § 9. Dormientes) pusilla, sp. n., herbacea, annua, inermis, caule petio-
lisque hispidis, stipulis ovatis acutiusculis, pinnis 1-3-jugis, foliolis 6-15-jugis oblongis ciliatis,
capitulis breviter pedicellatis parvis paucifloris, bracteolis lato-lanceolatis ciliatis corollas zequantibus,
legumine oblongo 1-2-articulato vix obliquo undique setoso.—Realejo.

Caules tenues, graciles, 4-6-pollicares. Capitula dimidio fere minora, et tota planta minus hispida quam
M. ceschynomenes cui ceeterum affinis est.

244, Mimosa (Ameria { 4. Acanthocarpe) acantholoba, fruticosa, ramulis puberulis, aculeis sparsis
recurvis, stipulis setaceis, pinnis 4-10-jugis, foliolis 15-30-jugis oblongo-linearibus subtus pubescen-
tibus, pedunculis axillaribus folio brevioribus superioribus racemosis, capitulis globosis, bracteis
minutis, floribus 4-5-meris 8-10-andris, calycibus corolla quadruplo brevioribus, ovario villoso,
legumine membranaceo oblongo vel late lineari-falcato puberulo margine leviter aculeato.—Acacia
acantholoba, Humb. et Bonpl. in Willd. Spec. 4. p. 1089.—Guayaquil.

245. Levcana macrophylla, sp. n., glabra, pinnis 2-3-jugis, foliolis 2-4-jugis ovatis acuminatis
acutis amplis, pedunculis capitulo subbrevioribus fasciculatis in racemos axillares terminalesque
dispositis.— Acapulco.

; Arbor t Ramuli albidi, verruculosi. Stipule breves late. Foliorum petioli subteretes, setula ter-
minati, communes 3-4-pollicares, partiales inferiores 1 4-2-pollicares, ultimi duplo longiores. Glandule elevate,
demum concave, infra pinnas inferiores et foliola ultima plus minus conspicue. inne inter se distantes.
Foliola opposita, remota, in pinnis inferioribus sepius bijuga, in ultimis 3-4-juga, 14-2-poll. longa, basi
oblique a7 ana subcoriacea, penninervia et insigniter reticulato-venosa, breviter petiolulata, inferiora sepius
multo minora. Racemi axillares 3-4-pollicares, terminalis pedalis, polycephali. Rhachis crassa, teres. Bractee
breves, mis orbiculate, fusco-membranacese, Pedunculi in axillis bractearum complures, 2-4 lin. longi, crassi,
subangulati. Capitula iis Acacia spherocephale haud dissimilia, suffulta bracteolis 4 fasco-membranaceis
aK gpeEs flore brevioribus. Flores numerosissimi, densissime imbricati. Bracteolee subulate, apice
pe » ciliate. Calyx tubuloso-campanulatus, membranaceus, ? lin. longus, apice hirtellus, brevissime

Spe Corolla vix calycem excedens. Stamina 10, corolla paullo longiora. Anthere: pilosee. Legumen

246. Acacta pellacantha, Vog.—Walp. Rep. 1. p. 908.--Bay of Caraccas.

247. Acacta macracantha, Humb, et Bonpl.—Walp. Rep. 1. p. 909.—Guayaquil.

248. Acacia Hindsii, sp. n., Benth, in Lond. Journ. Bot. 1. p. 504.—Manzanilla Bay.

249, Acacta villosa, Willd.— Walp. Rep. 1. p- 919.—Manzanilla Bay.

WESTERN TROPICAL AMERICA. 91

250. Lysmoma Schiedeana, sp. n. (Plate XXXI.), glabra vel ramulis petiolisque minute

puberulis, stipulis amplis semicordatis membranaceis, pinnis 6-8-jugis, foliolis multijugis linearibus
glabris—Benth. in Lond. Journ. Bot. 3. p. 83.—Central America.

Ramuli obtuse angulati, faciebus verruculoso-punctulatis, seepius glaberrimi, rarius uti petioli pilis paucis
minutis onusti. Stipule 3-6 lin. longs, basi latissime, hinc cordato-auriculatee, auricula rotundata, apice
acutee vel acuminatee, membranacez, lztevirentes. Petioli communes 3-5-pollicares, partiales subbipollicares.
Glandule elevate infra pinnas inferiores et inter pinnas 1-3 ultimas, nonunquam etiam minute inter foliola
ultima. Foliola 20-30-juga, obliqua, obtusiuscula, 2-3 lin. longa, vix ? lin. lata, uninervia, subglaucescentia,
Pedunculi 1-1}-pollicares, solitarii (vel fasciculati ?) vel in ramulos 2-3-cephalos bracteatos abeuntes, glabri vel
minute puberuli, supra medium bracteis 1-2 parvis alternis stipulis subsimillibus vel oblongis instructi.
Capitula globosa, staminibus neglectis 4 lin. diametro. Bracteola: obovato-cuneatee, corolla breviores. Flores
sessiles. Calyx 1 lin. longus, 5-dentatus. Corolla calyce dimidio longior, 5-fida, extus puberula, Stamina
15-20, corolla subtriplo longiora, parte connata vix corolla breviore et ab ea soluta, Ovarium sessile glabrum.
Legumen (immaturum) 5-poll. longum, 8-9 lin. latum, stipite semipollicari, apice longiuscule cuspidatum.

Plate XXXI. fig. 1, flower; fig. 2, staminal sheath with one stamen; fig. 3, anther; fig. 4,
pollen mass ; fig. 5, ovary; all magnified.

251. CaLuianpRA portoricensis, Benth. in Lond. Journ. Bot. 3. p. 99.—Columbia.
252. Caturanpra grandiflora, Benth. 1. c. p. 111.—Tepic.

253. Prruecotosium macrostachyum, Benth. 1. c. p. 198.—Manzanilla Bay.

254. Prruzcotosium oblongum, Benth. 1. c. p. 198.—Gulf of Fonseca.

255. Prrueconosrum dulce, Benth. 1. c. p. 199.—Conchagua.

256. PrraecoLopium candidum, Benth. 1. c. p. 201.—Guayaquil.

257. PrraecoLosrum multiflorum, Benth. 1. ¢. p. 221.—Guayaquil.

CHRYSOBALANACEE.

258. Curysopatanus Icaco, Linn.—DC. Prod. 2. p. 525.—Realejo, Panama, Columbia.

259. Hirretita americana, Aubl.—H. racemosa, Lam.—DC. Prod. 2. p. 529,— Central
America, in various places.

(Plate XXXII.) foliis ovatis acuminatis tenuiter

260. Licanta (Eulicania) hypoleuca, sp. 0.5 pedicellatis, calyce breviter

Coriaceis, subtus incanis, panicula ampla, florum glomerulis longiuscule
5-fido ramisque panicule incanis.—Veragua.

Foliorum forma et inflorescentia L. floribundi. Ramuli subcanescentes, tenues. Folia - ..
tripollicaria, supra siccitate nigricantia vix nitentia, subtus penninervia, ee e : ik
nivea. Racemi in axillis superioribus et in apicibus ramorum foliis longiores, hte a occupa . a,
formant amplam foliatam, ramulis 2-4-pollicaribus. Pedicelli vel rami ultimi 2-4 lin. longi, apie eym

92 BOTANY OF THE VOYAGE OF THE SULPHUR.

capitati, 3-7-flori. Flores quam in L. incana minores. Calyx ovatus, dentibus ovatis tubo dimidio brevioribus,
intus pubescens, Corolla nulla. Stamina fertilia 2 vel 8, brevia. Fructus obovoideo-pyriformis, basi valde
attenuatus, semipollicaris, rufo-tomentellus. :

Plate XXXIL fig. 1, calyx; fig. 2, the same cut open, showing the stamens and style ; fig. 3,
style with the ovary cut open; fig. 4, fruit, longitudinal section; fig. 5, seed, longitudinal section ;
all magnified except the fruit.

CoMBRETACEE.

261. Conocarpus erectus, Jacq.—DC. Prod. 3. p. 16.—Puna near Guayaquil.
262. Laauncunaria racemosa, Gertn.—DC. Prod. 3. p. 17.—Columbia.

263. Compretum farinosum, Humb. et Kunth—DC. Prod. 3. p. 19.—Manzanilla Bay,
Realejo, Nicoya.

264. Compretum argenteum, Bertol.—Walp. Rep. 2. p. 65.—C. erianthum, Benth. Pl. Hartw.
p- 73.—Tiger Island, Gulf of Fonseca.

265. Compretum mexicanum, Humb. et Bonpl.—DC. Prod. 3. p. 19.—San Blas, Manzanilla
Bay.

RHIZOPHORES.

266. Ruornora Mangle, Linn.—DC, Prod. 3. p. 32.— Guayaquil.
267. Ruizoruora racemosa, G. F. W. Mey.—DC. Prod. 3. p- 32.—Realejo.
These two species appear to me to be perfectly distinct.

ONAGRACER.

268. CENorHERA rosea, Ait.—DC. Prod. 3. p- 51.—Guayaquil.
269. Jussma peploides, Humb, et Kunth.—DC. Prod. 3. p- 53.—Tepic.

270. Jusstma peruviana, Linn.—DC. Prod. 3. p- 53.—Variat floribus tetrameris pentamerisque.

; macrocarpa, Humb. et Kunth.—DC. 1. ¢. p- 57.—Guayaquil and Payta. I have it also from
Lima.

271. Jusstaa linifolia, Vahl.—DC. Prod. 3. p. 55.

= 272, Justa octofila, DC. Prod. 3. p. 57.—J. hirta, Hook. et Arn. Bot. Beech. p. 421. vix
ahl.—Tepic and Panama to Guayaquil.

ae 273. Justa calycina, Presl.? ex Walp. Repert. 2. p. 73.—Forma J. villose valde affinis, at
‘ncta videtur imprimis ramis basi lignosis.—Guayaquil.

274. SeMEIANDRA grandiflora,

—Columbia.

Hook. et Arn. Bot, Beech. p. 291 et 422, t. 59.—Tepic.

WESTERN TROPICAL AMERICA. 93

275. Dretanpra lopezioides, Hook. et Arn. Bot. Beech. p. 292 et 422. t. 60.—Tepic.
276. Lorezia hirsuta, Jacq.—DC. Prod. 3. p. 62.—Tepic.

LYTHRACER.

277. Herta salicifolia, Link. et Otto.—DC. Prod. 3. p. 89.—Tepic.

278. Lytarum maritimum, Humb. et Kunth.—DC. Prod. 3. p. 82.—Guayaquil.

279. Curnea Melvilla, Lindl.—DC. Prod. 3. p. 84.—Guayaquil.

280. Curnea Llavea, La Llav. et Lex.—DC. Prod. 3. p. 85.—Tepic.

281. Curnea floribunda, Hook. et Arn. Bot. Beech. p. 289 et 423.—Tepic.

282. Cupnea bracteata, Hook, et Arn. 1. c.—Tepic.

283. Cupnea Balsamona, Cham. Schlecht.—Walp. Rep. 2. p. 107.—Salango and Guayaquil.
284. Dopxcas Surinamensis, Linn.—DC. Prod. 3. p. 91.—Pateo in Columbia.

285. ADENARIA purpurata, Humb. et Kunth.—DC. Prod. 3. p. 92.—Guayaquil.

MELASTOMACER.

286. Cumtoaastra Havanensis, DC.? Prod. 3. p. 132.—Isle of Tumaco, Bay of Panama.
287. Cumtoaastra ferruginea, Hook. et Arn. Bot. Beech. p. 423.—Realejo.

288. Hrrrta cupheoides, sp. n., (Plate XXXIII.) herbacea, pumila, caule tetragono ad angulos
setuloso vel glabro, foliis petiolatis ovatis oblongisve acutis integerrimis trinerviis supra sparse pilosis
subtus puberulis, floribus sessilibus in axillis superioribus solitariis tetrameris.—Panama.

Herba tenera, erecta, ramosa, semipedalis vel pauilo altior. Folia 9-10 lin. vel vix pollicem longa, acutiuscula,
basi rotundata vel cuneata, petiolo 2-3 lin. longo; pili sparsi, in pagina superiore longiusculi, in inferiore reves 5
vene transversales subtus conspicue. Flores in axillis superioribus alternatim solitarii, axilla altera cujusve
paris foliorum sterili. Pedicelli brevissimi vel subnulli. Bractee nulle. Calyx florifer 2 lin, longus, roti
4 lin., tubulosus, parum obliquus, 8-costatus, costis dorso setosis ; lacinie 4, lanceolato-subulate, seaweed
ciliatze, tubo breviores, setulo ad apicem coste intermedice ceteris majore. Petala calyces paullo Sopra,
ovato-elliptica, apice truncata et dorso aristulata. Stamina majora 4, petalis alterna, anthera wha pasate
elongato basi ultra insertionem in appendiculas 2 breves subclayatos producto; 4 minora petalis opposita,
anthera parva ovato oblonga (cassa?), connectivo brevissimo biauriculato. Stylus apice apheae —
intra sulcos et medio stigmatosus. Ovarium apice sub-8-setosum. Capsula oblonga, 4-locularis, 4-valvis, cum
calyce mediantibus nervis dorsalibus connexa. Semina numerosa, cochleata, granulato-rugosa,

Plate XX XIII. fig. 1, bud; fig. 2, flower cut open, showing the style and a portion of the
petals and stamens; fig. 3, fertile stamen ; fig. 4, sterile stamen; fig. 5, apex of the style; fig. 6,

section of the fruit ; fig. 7, seed; all magnified.
289. SreNNERA aquatica, Mart.—DC. Prod. 3. p. 116.—San Pedro in Columbia.

290, Hrreronoma diversifolium, DC, Prod. 3. p. 122.—Salango.
BB

94 BOTANY OF THE VOYAGE OF THE SULPHUR.

291. Hereronoma mexicanum.—Heterocentron mexicanum, Hook. et. Arn. Bot. Beech. p. 290,
423.—The genus Heterocentron appears to come entirely within Heteronoma, as characterised by
Alph. DC. 5. Not. Pl. Rar. Jard. Gen. p. 10.—Tepic.

292, Berrouonta hirsuta, sp. n., caule humili erecto hirsuto, foliis ineequalibus petiolatis ovatis
basi rotundatis subcordatisve utrinque setoso-hispidis 5-nerviis, floribus in racemo elongato simplici
subsessilibus numerosis,—Guayaquil.

Caulis in specimine unico 2 poll. altus, racemo tripollicari. Folia immaculata, alterum cujusve paris
2} poll. longum, alterum dimidio minus. Racemus fere a basi florifer, hispidus. Calyx truncatus, brevissime
5-dentatus, setoso-hispidus, Czetera fere B. maculata.

293, BuaKea glabrescens, sp. n., ramulis foliorumque juniorum nervis rufo-puberulis demum
glabratis, foliis ovalibus breviter et abrupte acuminatis 5-nerviis, pedunculis solitariis geminisve
petiolum equantibus, bracteis calyce duplo longioribus, calycis limbo 6-lobo.—Atacames and Isle of
Gorgona.

Arbor elegans. Folia 3-3-pollicaria, longiuscule petiolata, letevirentia. | Bracteze ovate, striate,
ferruginewe, 9-10 lin, longe. Calycis laciniee acute, tubo parum breviores. Flores pallide rosei.

294. Tococa acuminata, sp. n., ramulis setosis, foliis parum ineequalibus amplis oblongis
utrinque longe angustatis crenulatis 3-5-nerviis supra sparse subtus ad venas setosis, petiolis brevibus

vesiculosis, thyrso brevi, calycibus setosis, margine truncato minute dentato.—Columbia and Isle of
Gorgona,

Folia majora pedalia, altero cujusve paris altero vix quarta parte breviore, acumine longo acuto. Petioli

6-15 lin. longi, e maxima parte in vesicam oblongam dilatati. Thyrsus 2-3-pollicaris, terminalis. Flores
pentameri.

295. Cripemia rubra, Mart.— Sagrea sessilifolia, DC. Prod. 3. p. 170.—Acapulco.
296. Ciipemta crenata, DC. Prod. 3. p- 157.—Panama and Columbia.
297, Cuenta lacera, DC. Prod. 3. p. 164.—Tumaco.

298. CLIDEMIA cyanocarpa, sp. n., ramulis teretibus, petiolis nervisque foliorum tomento pul-
vedas ge ferrugineis, foliis cujusve paris valde inaequalibus ovatis breviter acuminatis subintegerrimis
ciliatis quintuplinerviis supra sparse setosis subtus preter venas glabris, pedunculis brevissimis
axillaribus cymosis, pedicellis calyce multo longioribus, floribus parvis, calycibus setoso-hispidis
brevissime 5-dentatis, bacca depresso-globosa.—Tumaco.

Pluribus notis cum descriptione C, diversifoliw convenit, attamen specifice diversa videtur. Ramuli pro
foliorum magnitudine tenues ; pubes pulveracea in junioribus densa demum evanescit. Folium cujusve paris
alteram 6-8 poll. longum, petiolo pollicari, alterum a dimidio ad quadruplo minus, petiolatum vel rarius
ee omnia membranacea, supra nitidula. Cyme quam petiolus folii majoris sepius breviores ; pedunculus
communis, et interdum ramuli, brevissimi; pedicelli 3-4 lin. longi. Flores parvi Tschudyw. Calycis lacinie
breves, acute. Petala oblonga, obtusa. Fructus ut in affinibus ccerulescens,

2 : i 7 i . oe . . .
ay Sa enestrata, sp. n., ramulis petiolisque dense tomentosis, foliis cujusve paris in-
rk ibus ace late ovatis acuminatis margine crenulatis ciliatisque basi subcordatis 7-9-nerviis,
pra pustulatis setoso-hispidissimis subtus tomentosis elevato-venosis, paniculis paucifloris termina-

libus mox sxilleribus, floribus in ramulis 1-3 sessilibus, calycis tubo ovoideo, limbo breviter 5-den-
tato, petalis obtusiusculis.—Cocos Island,

WESTERN TROPICAL AMERICA, 95

Tomentum ramulorum dense et breve. Folia majora 4-8 poll. longa, petiolo 1-3-pollicare, alterum cujusve
paris altero dimidio vel triplo minus, omnia subtus canescenti-tomentosa et venis valde elevatis eleganter
fenestrata, et pustulis, in pagina superiore elevatis in inferiore foveolato-depressis, quasi punctata. Panicule
bipollicares, parum ramosz, novelle: terminales sed ramulus in axilla folii majoris mox evolvitur et panicula
jam ante anthesin axillaris videtur folio minore subtensa. Flores magnitudine fere C. surinamensis cui hee
species affinis quidem sed characteribus datis satis diversa videtur.

300. Cuipemra barbinervis, sp. n., ramis petiolisque villis longis rufis simplicibus ramosisque
dense vestitis, foliis parum inzequalibus breve petiolatis ovali-ellipticis suboblongisve acuminatis basi
rotundato-cordatis subintegerrimis 5-nerviis supra setosis subtus ad venas rufo-barbatis, panicula
thyrsoidea terminali setoso-hispidissima, floribus capitato-congestis, calycis hispidissimi dentibus
breviter subulatis.—Tumaco, Guayaquil.

Folia cujusve paris vulgo fere zequalia, alterum altero rarius subdimidio minus; majora 9-10 poll. longa,
ramealia 4-5-pollicaria ; setee paginee superioris numerosee, at non e pustula orte. Panicula 2-3-pollicaris,
ramis paucis, ramulis capitulum ferentibus multiflorum, setis dense obtectum. Flores pentameri, in capitulo
sessiles, bractea ovata subtensi. Calycis laciniee minute. Petala obovato-oblonga, obtusa, tubo calycino
equilonga, Filamenta petalis sublongiora. Anthere lineares,

301. Cuipemia polyandra, sp. n., (Plate XXXIV.) ramis petiolisque glanduloso-pilosis et rufo-
pubescentibus, foliis vix disparibus petiolatis amplis late cordato-ovatis acuminatis crenulatis 7-9-
nerviis utrinque viscido-puberulis, panicula brevi lata, floribus 7-9-meris polyandris, calycis dentibus
latis acutis—Columbia.

Ramuli ut in Tococis alternatim compressi, uti petioli pedunculi et coste foliorum pilis glanduliferis rufo-
hirsuti, pube brevi substellata rufescente intermixta. Folia 8-10 poll. longa, crenis ineequalibus. Panicula
fere Tococw, cui heec species etiam floribus affinis, et fere quo jure huic vel Clidemie referenda. Calycis tubus
ovoideus, limbus cyathiformis, 7-9-dentatus. Petala 7-9, obovata, obtusa. Stamina cirea 30; anther lineares,
apice uniporose, basi brevissime bituberculatee. Ovarium calycis tubo omnino adnatum, carnosum, 7-9-loculare,
apice paucisetum (vel nudum?), Stylus subulatus apice clavatus, obtusus, tenuiter stigmatosus. Fructus
baccatus.

The habit of this plant not being decidedly that of either of the allied genera
Miconia, Tococa, and Clidemia, I had at first considered it as a new genus charac-
terised by the indefinite stamens in an order in which the definite stamens had
been considered as one of the essential characters, but the same multiplication of
stamina has now been observed in a true Miconia (M. polyandra, Gardn.) and in
several Conostegie@, and proves in no case to be of generic but only of specific
value. I have, therefore, referred the present species to Clidemia, which,
amongst several closely allied and indeed barely distinct genera, it approaches
the nearest.

Plate XXXIV. fig. 1, flower expanded seen from above ; fig. 2, calyx and style; fig. 3, an-
ther; fig. 4, ovary and style, vertical section: fig. 5, transverse section of ovary; all magnified.

302. Oxymeris macrophylla, sp. n., ramulis compressiusculis vel obtuse tetragonis, novellis lana
subsquamosa mox derasa rufescentibus, foliis amplis obovatis breviter acuminatis basi longe sngustatis
5-nerviis pulchre venosis glabris vel subtus ad venas sublanatis, paniculis axillaribus sessilibus diva-
ricato-ramosis rufo-tomentosis.—Cocos Island.

96 BOTANY OF THE VOYAGE OF THE SULPHUR.

Ramuli crassi, post indumentum delapsum leves, virides. _Petioli 1-2-pollicares. Folia cujusve paris
ineequalia, majora sesquipedalia, margine denticulata, membranaceo-chartacea, supra viridia, subtus pallidiora,
juniora lana subsquamosa uti ramuli et petioli conspersa, mox glabrata, venis regularibus subtus prominentibus,
inter venas plus minus pellucido-punctata. Panicule subtripollicares, in axillis solitarize sed a basi ipsa
divaricato-ramose ; ramuli rufo-tomentosi, bis, ter quaterve trichotomi, divaricatissimi, ultimi flores paucos
parvos sessiles gerentes. Calycis tubus subglobosus, costatus, breviter rufo-tomentosus, demum sepe
glabrescens. Flos pentamerus. Petala parva, lato-lanceolata, acutissima, Anthere apice poro lato dehiscentes,
basi in appendiculam brevissimam hirtellam productew. Stylus apice capitato-stigmatosus. Bacca calyci
omnino adnata, 5-locularis.

303. Micon1a guayaquilensis, Don.—DC. Prod. 3. p. 186.—A single specimen with the young
branches more compressed and the leaves larger than described by Bonpland (seven inches to a foot
long), but probably the same species.—Guayaquil.

304. Miconta attenuata, DC. Prod. 3. p. 186.—The specimens are in fruit only, but in
that state precisely resemble several Guiana specimens of the species.—Cocos Island.

305. CREMANIUM compressum, sp. n., ramulis compressis petiolis paniculisque tomento brevis-
simo ferrugineis, foliis petiolatis ovatis breviter acuminatis denticulatis 5-nerviis supra glabris subtus

tomento brevissimo substellato aureo-fulvis, panicula divaricata, floribus parvis numerosis penta-
meris.— Veragua.

Arbor elata. Rami et folia fere Miconiw Schomburgkii. Panicula gracilior, ramosior, flores dimidio
minores et antheree Cremanii. Ramuli crassiusculi, sub folia dilatato-compressi et petioli dorso decurrente
subcostati. Petioli pollicares, crassiusculi. Folia 5-6 poll. longa, acumine brevi acuto, margine minute et
irregulariter denticulata, basi rotundata et integerrima. Panicula semipedalis, pyramidata, gracilis, bis terve
opposite ramosa, ramulis ultimis cymiferis, cymarum ramulis subscorpioideis 3-7-floris. Bractee minute.
Calyces sessiles, sesquilineam longi, fulvo-tomentosi, costati, dentibus brevissimis obtusis. Petala obtusa, parva.

Anther apice poro vel fere rima duplici dehiscentes. Ovarium in fundo calycis breve, 3-5-loculare. Stylus
apice peltato-dilatatus supra stigmatosus.

306. Conosrgata xalapensis, DC. Prod. 3. p. 175.—Acapulco.

307. Conosreara lasiopoda, sp. n., ramulis obtuse tetragonis, novellis petiolisque barbato-hirtis
demum glabris, foliis petiolatis ovali-ellipticis oblongisve acuminatis subdenticulatis basi longe an-
gustatis 3-5-nerviis supra glabris subtus ad venas ferrugineo-scabris, panicula brevi pauciflora,
bracteis lanceolatis, alabastro basi obtuso apice acute acuminato aspero.—Cocos Island.

A Probes scabro-ferruginea in ramulis petiolis nervisque pagine inferioris foliorum et panicula plus minus
: a longia preesertim in petiolis intermixta. Folia semipedalia, prester nervum tenuem marginalem
nervia. Panicula fere 4-pollicaris. Flores majusculi, in specimine a me viso plerique a vermibus exesa.

a Conosteara polyandra, sp. n., (Plate XX XV.) ramulis novellis paniculaque pube ferru-
ginea corns pulveraceo-lepidotis demum glabris, foliis breviter petiolatis ovalibus obtusis vel vix
acuminatis basi rotundatis integerrimis denticulatisve 5

sabe seul -nerviis viridibus supra scabriusculis subtus
ris, ;} . . . . . > *
panicula pyramidata, alabastro acute acuminato, staminibus indefinitis —Columbia.

Tota planta sublutescenti-viridi Pe
. $8, partes juniores pul i i i i tata
seabra, exterum glabra. J pulveracere, ramuli et foliorum pagina superior punc

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WESTERN TROPICAL AMERICA. 97

longiuscule attenuato-conica. Calycis tubus brevis, obscure costatus, limbus integer, circumscisse deciduus.
Petala 5 vel 6, obovata. Bacca globosa, glabra, calycis tubo arcte adnata, loculis 7-8. Semina numerosa,
obovoideo-cuneata. Stamina vulgo circa 30.

Plate XXXV. fig. 1, bud, showing the dehiscence of the calyx; fig. 2, flower expanded ;
fig. 3, bud deprived of its petals, showing the arrangement of the stamens; fig. 4, vertical section
of the flower; fig. 5, stamen; fig. 6, transverse section of fruit; fig. 7, seed. Figs. 1 and 2
natural size, the remainder magnified.

MEMECYLACER.

309. Mourtria parvifolia, sp. n., (Plate XXXVI.) foliis sessilibus ovatis vel ovato-lanceolatis
acutis basi cordatis, pedicellis solitariis geminisve axillaribus bracteatis calyce brevioribus, calycis
laciniis acutis reflexis, ovario uniloculari—Bay of Honda, Veragua.

Frutex glaberrimus. Rami tenues, teretes, ramosissimi. Folia arcte sessilia, sesquipollicaria, subcoriacea, costa
subtus prominenti, venulis vix conspicuis, punctis crebris nonnisi in folio juniore pellucidis, Squamule ad basin
ramulorum juniorum et pedunculorum 2, parvee, acute, rigidule. Pedunculi 1}-2 lin. longi, bractea lanceolato-
subulata medio instructi. Flores quam in ceteris speciebus multo minores. Calyx per anthesin campanulatus,
parte libera longa, limbi lacinie ovato-lanceolatw, (colorate ?), demum reflexo-patentes. Petala angusta,
acutissima, lacinias calycinas superantia. Stamina 10. Filamenta petalis duplo longiora. Anthere oblonge,
loculis apice rima brevi dehiscentibus, connectivo crasso calcarato. Stylus stamina equans, filiformis, superne
attenuatus, summo apice truncatus et tenuiter stigmatosus. Ovarium in fundo calycis erectus, perfecte unilo-
cularis. Placenta centralis e fundo ovarii elevata ad tertiam partem cavitatis attingens, infra apicem ovulifera.
Ovula 6 vel 8, supra basin lateraliter affixa, oblonga, erecta. Fructus junior intra calycis basin grossificatum
inclusus, calyce igitur urceolato. Bacca matura (quam ipse non vidi) teste Hindsio atropurpurea, sapore
dulcidulo grato. Semen unicum, testa ossea.

This species has certainly the unilocular ovarium originally attributed to the

genus by Jussieu and others, whereas in M. pusa, and all the Brazilian ones which
I have examined, it is completely two or more celled, as described by Gardner.

Plate XXXVI. fig. 1, flower; fig. 2, stamen; fig. 3, calyx and ovary cut longitudinally ; fig. 4,
ovary, longitudinal section; fig. 5, ovary, transverse section.

MyrrTAacez.

310. Pswrum pyriferum, Linn.—DC. Prod. 3. p. 233.— San Pedro, in Columbia, and
Guayaquil. : |
311. Campomanssta crassifolia, sp. n., (Plate XX XVIL.) glabra, foliis ovatis vel ovali-ellipticis
breviter acuminatis basi obtusis crassis coriaceis nitidis venis obscuris, pedunculis unifloris brevibus —
inferioribus aggregatis, bacca depresso-globosa calyce coronata 1-5-loculari.—Isle of Gorgona.
Habitu ©. glabre (Benth. in Hook. Journ. Bot. 2, p. 319) simillima, sed differre videtur imprimis foliis
cc

98 BOTANY OF THE VOYAGE OF THE SULPHUR.

majoribus (4-5 poll. longis 2-23 poll. latis) crassioribus, venis multo obscurioribus fere obsoletis. Flores non
suppetunt. Bacca magna, depresso-globosa, abortu 1-4-locularis vel rarius 5-locularis, siccitate dura, inter
loculos sulcis profundis extus notata et partibilis, coronata calycis limbo persistente breviter et obtuse 5-lobo.
Semina in loculis solitaria, placentee centrali mediante hilo lato circulariter affixa, magna, ovoidea (axi 5-6 lin,
longo) ; testa dura cornea vel sublignosa ; cotyledones crassi, fere recti, subhemispheerici, carnosi, sese arcte
appressi at non conferruminati; radicula basilaris brevissima ; plumula parva sed conspicua.

The above description of the seed is very different from that which is usually,
after Lindley (Collect. Bot. sub n. 16.), given to Campomanesia, and is much
nearer to that of Eugenia, yet it is probable that this plant is a congener to the
C. cornifolia, Humb. et Kunth, C. glabra, Benth., and to the C. hirsuta and lauri-
folia, Gardn. Whether, however, they are or are not referable to the true Cam-
pomanesia of Ruiz and Pavon must remain doubtful; for Ruiz and Pavon’s
description, and Lindley’s, are so totally at variance with each other, both as to
the leaf and the fruit, that they must have been taken from different plants, and
it is well known that Pavon’s labels, in the different collections he disposed of,
were in several instances misplaced.

Plate XX XVII. fig. 1, fruit, transverse section, natural size; fig. 2, seed; fig. 3, embryo;
fig. 4, the same, with one cotyledon cut off, showing the plumula; fig. 2 to 4, slightly magnified.

312. Eveenta pacifica, sp. n., glabra vel ramulis costisque foliorum vix puberulis, foliis breviter
petiolatis ovatis subacuminatis basi cuneatis subcoriaceis supra nitidulis, pedunculis brevissimis
axillaribus paucifioris, fructu oblongo glabro.—Cocos Island.

Habitus et folia fere Coffew arabice, sed ab E. coffewfolia diversa foliis vix 4 poll. longis, 2 poll. latis, et
bacca oliveeformi 4-5 lin. longa. Semen unicum, embryone homogeneo intus vesiculis glandulosis prope mar-
ginem instructo.

313. Evoenta guayaquilensis, DC. Prod. 3. p. 275.—Panama.

314. Eveenta sericiflora, sp. n., ramulis junioribus inflorescentiaque sericeis, foliis oblongo-lan-
ceolatis acuminatis basi angustatis subcoriaceis utrinque pilis tenuibus appressis pubescentibus,
racemis laxis folio brevioribus, bracteis lanceolato-subulatis calycis tubo longioribus, calycis sericei

laciniis orbiculatis, petalis ciliatis.—Isle of Taboga, Bay of Panama; gathered also by Cuming,
n. 1137. :

Ramuli tenues, superne compressi. Folia 3 poll. longa, 7-10 lin. lata, apice in acumen longum acutum
uiatort s producta, basi in petiolum brevem angustata, margine subrecurva, pellucido-punctata, venis supra
vix conspicuis, primariis subtus prominulis ; pili breves albidi in pagina superiore crebri, in inferiore rariores.
Pedunculi in axillis solitarii vel gemini, subbipollicares ; pedicelli oppositi vel rarius alterni, divaricati, solitaril
vel gemini, semipollicares, apice uniflori. Bractec sub pedicellis et bracteole sub flore fusco-membranacee,
1-2 lin. longee, sericewe, e basi latiuscula setacese. Calycis tubus parvus, turbinato-globosus, lacinize limbi
inwquales, orbiculate, obtuse, maxima 1} lin., minime vix 1 lin. longee. Petala fere 3 lin. longa. Stamina

numerosa. Ovarium ante anthesin vix complete biloculare, ovulis in quoque loculo circa 8.

(315. Myrcta acuminata, DC. Prod. 3. p. 256.—Veragua.

316. Myrcta aromatica, Schlecht ? Linnea, 13. p. 415.—Isle of Taboga, Bay of Panama.

WESTERN TROPICAL AMERICA. 99

Species AM, splendenti affinis. Folia angustiora, acumine minus abrupto. Panicule latiores, ramosiores.
In omnibus cum descriptione Schlechtendalii convenit, nisi paniculis vix bipollicaribus. Ovarium complete
biloculare, ovulis in quoque loculo 2, prope basin affixis.

317. Gustavia angustifolia, sp. n., foliis anguste oblongis acuminatis apice remote serrulatis
basi longe angustatis sessilibus, florum fasciculis terminalibus, calycibus integris petalisque 6-7 extus
tomentoso-puberulis.— Columbia.

Ramuli crassiusculi, cortice albido. Folia suppetunt pedalia et sesquipedalia, superne 2-4 poll. lata, basi
longe angustata, membranacea, utrinque viridia et pube minuta rara scabriuscula, obscure pellucido-punctata,
costa venisque subtus prominulis. Pedicelli complures ad apicem rami congesti, pollicares, tomentoso-puberuli.
Bracteze sub pedicellis 4-5 lin. longs, lato-lanceolate,, acute, subcartilaginee. Bracteole supra medium
pedicelli 2, minute. Petala seepius 6, vix pollicaria, exteriora ovata, interiora oblonga, omnia obtusa.

CuCURBITACER.

318. Bryonta attenuata, Hook. et Arn. Bot. Beech. p.424.—Acapuleo.
319. Momorpica? guinquefida, Hook et Arn. 1. c.—Acapulco.
320. Momorprica? sp., with male flowers only.— Guayaquil.

321. APopANTHERA gracilis, sp. n., caule tenui puberulo vel glabrato, foliis profunde cordatis
acuminatis integris vel obscure 3-5-angulato-lobatis margine subciliatis, supra glabriusculis punc-
tulatis, subtus pilosiusculis, floribus longe pedunculatis, masculis paucis racemoso-corymbosis,
foemineis solitariis, fructibus ovato-globosis glabris.—Isle of Taboga, Salango.

Folia bipollicaria, acumine longiusculo, Pedunculi masculi et foeminei ex iisdem axillis gracillimi, petiolo
longiores, Flores masculi ad apicem pedunculi pauci, breviter pedicellati. Calyx tubulosus, extus puberulus,
breviter 5-dentatus. Petala lata, acutiuscula, integerrima, brevissime ciliato-puberula. Stamina medio tubo
inserta mediantibus filamentis tribus brevissimis et sic revera triadelphica ; antheree oblong, omnes inter se
leviter coherentes. Discus cupuliformis in fundo calycis. Calyx floris fceminei latius tubulosus, sub-
campanulatus. Petala quam in mare latiora. Discus cupuliformis similis nisi duplo major. Stylus brevis,
crassus, in lobos 3 stigmatosos acutos non fimbriatos divisus. Ovarium junius uniloculare? mox placentis
hine inde intromissis spurie septatum ; ovula pauca, parietibus sine ordine affixa. Pepo, in speciminibus nondum

maturus, fere globosus.

I am unacquainted with the A. Mathewsi named but not described by Arnott,
and therefore am unable to say whether this be the same species, though it is
undoubtedly a congener. The genus ought, perhaps, to be considered only as a
section of Melothria, and, in general appearance, the present plant closely
resembles the Brazilian M. fluninensis, Gardn.; my specimens of the latter are
too imperfect to show the structure of the flower. bats

322. CyciantueEra leptostachya, sp. n., glabra, caule gracillimo, foliis pedatim 7-9-sectis, seg-
mentis petiolulatis oblongo-lanceolatis grosse dentatis extimis brevioribus subincisis, racemo masculo
longissimo gracili corymbulis remotis, flore foemineo longe pedunculato.—Salango. .

100 BOTANY OF THE VOYAGE OF THE SULPHUR.

Rami quam in C. pedata multo graciliores. Petioli 13-2 poll. longi. Segmenta majora 2-3 poll. longa,
6-9 lin. lata, quam in C. pedata tenuiora, minus dentata. Racemi masculi semipedales vel longiores, floribus
parvis in racemulos breves subcorymbosos secus rhachin communem dispositis. Pedunculus fcemineus petiolo
longior. Calyx in mare corollz omnino adnatus ; corolla stellato-patens, laciniis ovato-triangularibus acutis;
anthera circa marginem connectivi peltato-disciformis confluentes. Floris foominei nec calycem nec corollam
vidi. Ovarium jam parum auctum ovoideum, dense echinatum, apice obliquum et in stylum brevem incurvum
desinens ; intus placenta parietali longe intromissa incomplete biloculare. Ovula circa tria,

323. Rytipostyies gracilis, Hook. et Arn. Bot. Beech. p. 424. t. 97.—Folia inferiora longe
petiolata, angulato-sublobata.—Realejo, Gulf of Fonseca, Panama.

PApPAYACEZ.

324. Carica Papaya, Linn.—Walp. Rep. 2. p. 205.—Realejo, Columbia.
325. Carica peltata, Hook. et Arn. Bot. Beech. p. 425. t. 98.—Realejo.

326. Carrtca cauliflora, Jacq ?—Willd.? Spec. 4. p. 815.—Puna, near Guayaquil.—The leaves
are wanting.

PASSIFLORACEER.

327. PasstrLorAa littoralis, Humb. et Kunth.—DC. Prod. 3. p. 323.—Guayaquil.
328. Passmrtora suberosa, Linn.—DC., Prod. 3. p. 325.—Guayaquil.

329. Passrrtora biflora, Linn.—DC. Prod. 3. p. 326.—Variat foliis basi rotundatis vel
subcordatis, pedicellis solitariis vel geminis.—Panama.

330. Passirtora rubra, Linn.—DC. Prod. 3. p. 325.—Panama.
331. Passtrtora guadrangularis, Linn.—DC. Prod. 3. p. 328.—Puna, near Guayaquil.
332. Passirtora fetida, Cav—DC. Prod. 3. p. 331.—Guayaquil.

333. Tacsontra levis, sp. n., glaberrima, stipulis late semi-cordato-reniformibus mucronatis, foliis
. trilobis basi subpeltatis, lobis ovatis obtusis integerrimis intermedio productiore, lateralibus divari-
catis, sinubus 2-3-glandulosis, petioli glandulis circa 4-stipitatis, bracteis ovato-oblongis inte-
eraed liberis, calycis laciniis tubo parum longioribus.— Guayaquil; gathered also by Hartweg,
n. 662. ;
= Ex omni parte glabra et seepius plus minus glauca. Stipulee 6-9 lin. longee, 6 lin. Jatee, falcato-dimidiate,
interdum fere orbiculares. Petioli pollicares, tenues, glandulis supra medium per paria dispositis rarius
obsoletis. Fake S-nervia, lobus intermedius 2 poll. (a petiolo) longus, laterales pollicares, ab intermedio ultra
medium soluti, sinubus latiusculis. Pedunculi solitarii, bipollicares, Bractese a calyce parum distantes, semi-
pollicares vel paullo minores, obtuse, mucronulate, Calycis tubus pollicaris, viridis, glaber ; lacinie lato-
lanceolate, obtusiuscule, dorso breviter aristulate, 14-15 lin. longee, extus linea dorsali virides, margine
oe SOLER: Petala lacinias calycinas subsequantia, undique colorata (rubra?) Corona exterior
pluriserialis, filamentosa, filamentis exterioribus 1-2 lin. longis, interioribus minimis ; corona intermedia me

basin tubi brevis, cyathiformis, brevissime lacera ; interior vagineeformis, conica, apice truncata, tubo stamineo
arcte appressa, 2 lin. longa.

WESTERN TROPICAL AMERICA. 101

Allied to 7". reflewiflora, Cav., but apparently distinct.

334. Tacsonta sanguinea, DC. Prod. 3. p. 334.—Common in woods near Panama; gathered
also by Cuming, n. 1122.

LoaSsace®,

335. Loasa chelidoniifolia, sp. n., divaricato-ramosa, scabro-puberula, foliis pinnatim 3-7-sectis,
segmentis ovatis inciso-dentatis basi oblique subcordatis, inferioribus subpetiolatis, terminali maximo
subpinnatifido, pedunculis extra-axillaribus, calycis tubo setosissimo, laciniis lato-ovatis foliaceis,
petalis calyce vix duplo longioribus.— Atacames.

Very near L. triphylla and L. papaverifolia, and only differs from Kunth’s
description of the latter species by the much larger leaves with broader segments,
the stems and peduncles not setose, and the lobes of the calyx scarcely acute,

336, Gronovia scandens, Linn.—Hook. et Arn. Bot. Beech. p. 426. t. 97, B.—Tepic.

BEGONIACER.

337. Beconta humilis, Dryand.—Walp. Rep. 2. p. 215.—Atacames.

338. Brconta jilipes, sp. n., annua, caule gracili glabro, foliis longiuscule petiolatis oblique
semicordatis ovato-oblongis triplicatim ciliato-serratis tenuibus sparse setulosis, pedunculis tenuibus
subtrifloris, floribus minimis, capsule ala altera ipsa capsula multo Jatiore, duabus angustis.—Isle of
Taboga, Bay of Panama.

B. humili affinis ; petioli inferiores multo longiores, et capsule ala major 4 lin. lata, transverse oblonga,
nec omnes anguste rotundate.

339. Brconi#, sp. n., affinis B. hydrocotylefolie —Equador.—The specimens are insufficient
for description,

TURNERACER.

340, Turnera ulmifolia, Linn.—DC. Prod. 3. p. 346.—T. cuneiformis, Hook. et Arn. Bot.
Beech. p. 426, non Juss.—A very pretty low shrub on the top of the sandy beach, Atacames
Realejo. s
341. Turnera Hindsiana, sp. n., foliis ovato-oblongis acuminatis serratis basi an : is
eglandulosis glabriusculis, racemulis axillaribus brevibus paucifloris, capsulis globosis tuberculosis.
—Guayaquil. a

Simillima 7. salicifolia, differt foliis latioribus plerisque 3 poll. longis, 14 poll. latis, racemulis simplicibus
paucifloris, pedunculo communi brevissimo, pedicellis 3 lin, longis infra medium —— ee
tuberculis evidentioribus,

DD

102 BOTANY OF THE VOYAGE OF THE SULPHUR.

PorTULACES.

342. Portuwaca oleracea, Linn.—DC. Prod. 3. p. 353.— Guayaquil.

ARALIACEE.

343. ScropaAPHyLLuM spherocoma, sp. n., foliis digitatis, foliolis 7-11 longe petiolulatis amplis
oblongis abrupte acuminatis utrinque glabris, umbellulis longe racemosis, racemis pubescentibus in
comam amplam subglobosam approximatis.—Isle of Gorgona.

Arbor, inflorescentia ampla globosa insignis. Foliola maxima pedalia vel longiora, circa 5 poll. lata,
petiolulo 5-pollicari, acumine pollicari, margine undulata, basi obtusa, costa media venisque primariis utrinsecus
7-9 valde prominentibus, venulis crebris reticulatis ; foliola lateralia paullo minora. Racemi pedales, rhache
rigida angulata, pube brevi ferruginea. Pedunculi numerosi, tenues, rigiduli, divaricati, 3-4 lin. longi, umbellula
10-12-flora terminati. Pedicelli 1 lin. longi. Calycis dentes 5, minutissimi. Petala connata in corollam
parvam, ovato-conicam, obtusiusculam, calyptratim deciduam. Stamina 5, filamentis longiusculis. Styli 5, in
columnam conicam coaliti. Ovarium 5-loculare.

LORANTHACEE.

344. Viscum Kunthianum, DC, Prod. 4. p. 283.—Gulf of Nicoya, Guayaquil.

The Nicoya specimens are more robust than those from Guayaquil, but they
appear to belong to the same species.

345. Viscum tomentosum, DC. Prod. 4. p. 670.—Nicoya.

Species dioica, Spicee mascule 14-2 poll. longe, interrupte 6-10-articulate, floribus in quoque articulo
numerosis multiseriatis densissime imbricatis. Spice foeminese 4-5-articulate ; baccee in quoque articulo circa
6, globose, velutine.

aa Lorantaus (Euloranthus ?) inconspicuus, sp. n., ramosissimus, ramulis ancipitibus demum
be teretibus, foliis parvis obovato-oblongis obtusis basi angustatis obscure trinervibus, floribus
minimis in axillis sessilibus congestis.—San Blas.
Ramuli, preesertim sub nodis, compresso-dilatati, cinerascentes. Folia 6-10 lin. longa, basi longiuscule
angustata at vix petiolata. Flores in axillis gemini vel terni, bracteis 3-4 ovatis minutis margine fimbriatis

suffulti. Specimina tamen suppetentia omnia jam deflorata, nec petala nec stamina vidi, et semel tantum stylum
observavi semilineam longum, ex ovario vix + lin. longo.

347. Lorantuus Schiedeanus, Schlecht.—Hook. et Arn. Bot. Beech. p. 426.—San Blas.

: 348. LorantTuus (Oscillatoria) rhynchanthus, sp.n., glaber, ramulis acute tetragonis, foliis
ee e pric: ianceolatis falcatis basi angustatis vix petiolatis crasso-coriaceis subaveniis, corymbis
erminalibus trichotomis, bractea cyathiformi sub floribus singulis, alabastro oblique rostrato, petalis

WESTERN TROPICAL AMERICA. 103

sex linearibus acutis.—Z. calyculatus, Hook. et Arn. Bot. Beech. p- 294. non DC, — Tiger
Island.

Similis LZ. calyculato DC., sed rami tetragoni, folia majora, seepe 4-5-pollicaria, corymbi ampliores, et flores
ante anthesin longius acuminato-rostrati,

349. Loranruus (Oscillatoria) obovatus, sp. n., glaber, scabriusculus, ramis subteretibus
dichotomis verticillatisve, foliis subsessilibus obovatis obtusis basi rotundatis cuneatisve venosis,
pedunculis opposite ramosis terminalibus tenuiter puberulis, ramis trifloris floribus pedicellatis,
bractea cupuliformi ovario paullo breviore, corolle sesquipollicaris obtuse vix puberule petalis sex
linearibus.—Common on several trees, especially Mimose, near Guayaquil.

Folia 1-2 poll. longa, 3-1 poll. lata, subcoriacea, venis pinnato-reticulatis parum prominentibus. Pedun-
culi nunc ad apices ramorum solitarii, ramulis per paria distantibus 3-4 lin. longis, pedicellis 2-3 lin. longis ;
nunc in axillis superioribus vel ad apices ramorum complures, breves, ramulorum paribus approximatis, pedicellis
abbreviatis.

Rvusiacezm.

350. Posoquerts decora, DC. Prod. v. 4. p. 375.—Isle of Gorgona.

Frutex glaberrimus, ramulis junioribus tetragonis demum teretibus. Folia petiolata, late ovata, 6-8 poll.
longa, 4-6 poll. lata, brevissime acuminata, margine subundulata, basi rotundata, coriacea, supra nitida, costa
media venisque primariis subtus magis quam in affinibus prominentibus. Petioli 6-10 lin, longi. Stipulee late
ovate, obtuse, 8-12 lin. longee, coriaceo-foliacew. Corymbus 12-16-florus, terminalis, pedunculatus, pedunculo
tamen foliis superioribus breviore. Pedicelli floriferi 3-4 lin. longi, post anthesin elongati. Calyx 2 lin, longus,
tubo adnato turbinato, limbo brevissime et obtusissime 5-dentato. Corolle tubus rectus, 5-6-pollicaris, gracilis,
summo apice paullo dilatatus; limbus in alabastro obliquus, hinc gibbus, obtusus ; lacinie 7-8 lin. longe,
oblongee. Styli lobi lineares.

Although the geographical station of De Candolle’s plant (French Guiana) be
so distant, his character agrees perfectly with our specimens. They also answer
as to foliage with Kunth’s description of Tocoyena macrophylla, but the flowers of
our plant are not racemose, and are decidedly those of a Posoqueria.

351. Ranpra (Oxyceras) glomerata, sp. n., ramulis glabris apice bispinosis, foliis subsessilibus
obovatis glaberrimis basi cuneatis, floribus ad apices ramulorum sessilibus pluribus congestis,
corolla parvee fauce pilosa.—Atacames.

Frutex affinis R. latifolia, sed folia et flores minora. Ramuli breves, crassi. Spine divergentes, conics.
Folia in ramulis floriferis abbreviatis fasciculata, semipollicaria vel paullo longiora, supra ee poem
sterilium non vidi. Flores magnitudine Ribesios grossularia, 3-5 ad apices ramulorum brevis —
Calycis tubus minutus, limbus cyathiformi-campanulatus, brevissime 5-dentatus. Corolla a, wel 14 lin.
longc ; lacinie lanceolate, acuminate, 1} lin. longe, crassiuscule, estivatione valvats bie leviaeithe imbricata,
intus dense pilose. Anthere lineares, e tubo breviter exsertw. Stylus corolla longior, apice bilobus.

352, Bertier angustifolia, sp. n., foliis oblongis acuminatis, venis ramulisque villosis, stipulis

104 BOTANY OF THE VOYAGE OF THE SULPHUR.

connatis in vaginam hinc fissam apice bidentatam, fructibus parvis sessilibus striatis basi hirtellis

calycis dentibus minutis coronatis.—Cocos Island.

Habitus et flores B. Guianensis, sed stipularum forma foliis angustis necnon fructibus parvis primo intuitu
distincta. Ramuli, foliorum vene paginz inferioris, stipule et thyrsus pilis substrigosis villosa uti in ceteris
speciebus Americanis, Stipulz semipollicares, rufo-membranacese, anguste, uno latere usque ad medium altero
fere ad apicem connate. Folia brevissime petiolata, 4-5-pollicaria, longe et acute acuminata, basi parum
angustata, obtusa, supra undique et subtus nonnisi ad venas glabra, punctis irregularibus crebris obscure
pellucido-punctata, Thyrsus terminalis, breviter pedunculatus, 2-3-pollicaris. Flores quam in B. Guianensi
paullo minores, minus villosi, tubo gracili, limbo campanulato, laciniis aristato-acuminatis. Fructus globosus,
striatus, dimidio minor quam in B. Guianensi, demum fere glaber. Dentes calycini quam in affinibus multo
minores. Semina B. Guianensis.

353. BuENA macrocarpa, sp. n., (Plate XX XVIII.) foliis late ovalibus ellipticisve venosis
obscuris, floribus 3-5-nis sessilibus, calycis limbo quam ovarium multo breviore, corolla pentamere
laciniis ovali-oblongis obtusis.—Isle of Gorgona.

Arbor speciosa, glabra. Ramuli crassiusculi, juniores subcarnosi. Folia ovali-elliptica, obtusa, basi cuneata
et in petiolum 6-9-linearem anguste decurrentia, 3-4 poll. longa, 2-3 poll. lata, crassiuscula, atrovirentia, nec
nitentia; venw utrinque 7-10, parallele, a costa media divergentes multo magis quam in B. trifiora et B. lati-
folia prominentes. Stipule: membranaceo-foliacee, 4-6 lin. long. Flores ad apices ramulorum subsessiles.
Bractex in speciminibus desunt, verosimiliter delapsee. Calycis limbus vix 1 lin. longus, breviter 5-dentatus,
cito deciduus. Ovarium semipollicare. Corolle albide tubus bipollicaris, limbi lacinie 8-9 lin. longe,
estivatione imbricata. Filamenta brevissima versus apicem tubi. Anthere lineares, fere omnino incluse.
Stylus apice breviter exsertus, in lacinias 2 oblongas intus stigmatiferas dilatatus. | Capsula 3-4-pollicaris, sub-
lignosa, teres, demum septicide bipartibilis, loculis intus dehiscentibus. Semina numerosissima, ala angustissima
infra longe producta lineari-subulata subdentata, supra bipartita, laciniis longe lineari-subulatis subdentatis,

This species differs from both of Ruiz and Pavon’s by the obtuse corollas, from
B. iriflora and B. latifolia by the distinctly veined and not shining leaves, smaller
flowers, and short limb of the calyx. The pod is of the shape of that of the closely
allied genus Hiilia, but the seed is different. The Brazilian Buene figured by
_ Pohl and by Endlicher do not belong to the genus.

Plate XX XVIII. fig. 1, flower cut open ;* fig. 2, transverse section of the ovary; fig. 3, portion
of one half of the capsule, the outer coating or pericarp having decayed away; fig. 4, seed: all
magnified. :

364. Exosremma (Pseudostemma) occidentale, sp. n., glabrum, foliis amplis obovato-oblongis
cuspidatis basi longe angustatis, paniculis brevibus laxe pyramidatis, calycis limbo subintegerrimo,

lo intus extusque glaberrime laciniis tubo paullo longioribus, stigmate bilobo. — Isle of
orgona.

Fratex elata. Ramuli teretes. Folia longiuscule petiolata, 8-10 poll. longa, supra medium 3-3} poll. lata,
eine Jonge anguns superata, punctis sparsis pellucidis notata. Stipule a specimine jam delapse. Panicula
Zmalis, breviter pedunculata, subquadripollicaris, laxe trichotoma, pauciflora, Bractese ad ramificationes
_ parvee, ovato-lanceolate. Calycis tubus 2 lin. longus, oblongus ; limbus cyathiformis, brevis, integer vel obscure

Nb witetaks ; aes
_* By a mistake in the drawing the whole of the corolla is shown, and only half of the ovary and calyx.

WESTERN TROPICAL AMERICA, 105

5-angulatus. Corolla crassiuscula, in alabastro pentagona; tubus 2§ lin. longus ; limbi lacinie 3 lin, longe,
oblong, acutiuscule, eestivatione valvate, per anthesin patentes. Stamina ad faucem inserta; filamenta
brevissima, pubescentia ; anther oblongo-lineares. Ovarium carnosum, biloculare, Placentee lineares, ovulis
numerosissimis dense imbricatis. Stylus e tubo corolle exsertus, apice breviter bilobus, in lobis stigmatosus,
Fructus non vidi.

355. Lastonema glabrescens, sp. n., ramulis subcompressis glabriusculis, foliis petiolatis obovali-
oblongis acuminatis supra glabris subtus ad axillas venarum barbatis junioribus ad venas sericeis
demum glabris, paniculis pedunculatis compactis, corollee extus glabree tubo obscure pentagono limbi
laciniis supra tomentellis.—Nicoya.

Frutex, ramulis junioribus pube minuta mox evanida rufescentibus. Folia ad apices ramorum approxi-
mata, 3-4-pollicaria, in petiolum 3-6 lin. longum insidentia, apice in acumen breve obtusum producta, basi
angustata, rigide membranacea, supra demum nitidula. Stipule oblongo-ellipticee vel obovali-oblonge,
obtusissime:, 5-8 lin. longze, cito decidus. Panicule ad apicem pedunculi 2-3-pollicaris dense, subcorymbose.
Bractee minime, acute. Flores sessiles. Calyx 14 lin. longus, limbo brevissime 5-dentato. Corolle tubus
33 lin. longus ; limbi lacinize breves, late, obtuse, patentissime, supra tenuiter tomentelle, estivatione imbri-
cate. Stamina medio tubo inserta ; filamenta villosa, apice e tubo breviter exserta; anthere ovate. Stylus
filiformis, inclusus, apice breviter bifidus stigmatosus. Capsulam non vidi, in ovario tamen deflorato vix aucto
semina numerosissima linearia, apice et basi membranacea.

356. Manertia cuspidata, Bert—DC. Prod. v. 4. p. 363.—Panama.
357. Bouvarpia linearis, Humb. et Kunth.—Hook. et Arn. Bot. Beech. p. 427.,—Tepic.
358. Bouvarpia scabra, Hook. et Arn. Bot. Beech. p. 427.—Tepic.

359. CALYCOPHYLLUM candidissimum, DC. Prod. v. 4. p. 367.—Variat floribus tetrameris.—
Conchagua, Gulf of Honda, and Gulf of Fonseca.

360. ConpamingEA corymbosa, DC. Prod. v. 4. p. 402.—Veragua.
361. Linpenra rivalis, Benth. Pl. Hartw. p. 84.—Hook. Ic. Pl. t. 476.—Mexican coast.
362. Pentaconra macrophylla, gen. nov. e tribu Rondeletiearum (Plate XXX1X.)—Panama. -

Cuar. Gen. Calycis limbus infundibuliformis, 5-fidus, lobis amplis persistentibus. Corolla
infundibuliformis, tubo elongato; limbus 5-partitus, laciniis zstivatione valvatis; alabastram apice
acute pentagono-subalatum. Stamina infra medium tubi inserta; filamenta filiformia ; antheree
lineares, inclusee. Discus epigynus cupuliformis. Stylus filiformis, lobis obovatis concavis ale:

stigmatosis. Capsula bilocularis. Semina numerosa, angulata.

Ramulorum apices tantum adsunt crassw, subtetragone. Stipule sesquipollicares 403 longiores, bars ha
solitarize, lanceolate, acuminate, crassee. Folia 1-2-pedalia, ovalia vel ovali-oblonga, — — ie.
margine subundulata, basi longiuscule angustata, crassiuscula, glaberrima, — —_ —- ponent ang
gentibus subtus prominentibus ; petiolus 1-2-pollicaris, canaliculatus. Corymbi in axillis pe - ..
pedunculati, floribus in corymbo numerosis sessilibus confertis. Bractew ovate, obtusee, a. ‘
lin. longee. Calyx pollicaris, basi extus candicans, laciniis crassis ovatis margine tenuibus — - ae
faucem ad sinus loborum pilis paucis brevibus glandulosis munitus. Corolla extus pon parce pe .
intus ad insertionem staminum tomentosa et in limbo pilosula; tubus ees dat dimidio longior, — -
ovate, marginibus ante anthesin valde prominentibus, Capsulas nonnisi Juniores vidi, in his semina more

EE

106 BOTANY OF THE VOYAGE OF THE SULPHUR.

Rondeletiearum arcte appressa nec imbricata. Textura foliorum stipularum et florum intus insigniter albo-
filamentosa.

Plate XX XIX. fig. 1, flower, nat. size; fig. 2, corolla cut open; fig. 3, longitudinal section of
ovary and calyx, with the style; fig. 4, transverse section of ovary: the three last magnified.

363. Hepyotis (Ericotis) thymifolia, Ruiz et Pav.—Anotis thymifolia, DC. Prod. v. 4. p. 432.
—Huamantango.

364. Isert1a coccinea, Vahl.—DC. Prod. v. 4. p. 437. var. foliis longe petiolatis, thyrso abbre-
viato, nec aliter a forma Guianensi distinguenda videtur.—Columbia.

365. Scurapera stellata, sp.n., (Plate XL.) foliis oblongo-ellipticis acuminatis, pedunculo
solitario terminali, involucro brevi lobato, calycis limbo truncato integerrimo, corolle laciniis
5 linearibus, ovario biloculari—Isle of Gorgona.

Rami crassi, cortice levi, medulla copiosa farcti; ramuli juniores acute tetragoni. Folia breviter petiolata,
3-5-pollicaria, apice longiuscula acuminata, venis parallelis juxta marginem confluentibus. Stipulz breves in
vaginam brevem sublobatam deciduam connate. Pedunculi communes vix pollicares. Capitulum circa
6-florum, suffultum involucro brevissimo, per anthesin irregulariter sinuato-lobato, deflexo. Calyx 6 lin.
longus, basi ampla ovario adherens, apice parum contractus, ore transverse truncato integerrimo vel obscure
sinuato. Corolla alba, intus extusque glabra, tubo tereti calycem eequante ; laciniz stellato-patentes, circa 10
lin. longe, acutse, basi incrassate, cestivatione imbricata. Anthere 5, lineares, incluse, filamentis brevibus in
medio tubo affixis. Ovarium biloculare, carnosum, disco epigyno pulviniformi medio depresso ; ovula in loculis
numerosa, placente carnosee immersa. Stylus filiformis, subexsertus, apice bilobus, lobis oblongis crasso-com-
pressiusculis acutiusculis intus et margine stigmatiferis. Bacca calycis limbo coronata, bilocularis. Semina
ovato-compressa, testa dura fragili minute rugulosa, albumine carnosa, embryone recto.

Plate XL. fig. 1, flower, nat. size; fig. 2, corolla, cut open; fig. 3, stamen; fig. 4, ovary,
longitudinal section with the style ; fig. 5, ovary, transverse section: figs. 2 to 5 magnified.

366. Hameta patens, Jacq.—DC. Prod. y. 4. p- 441.—Realejo, Panama, Gulf of Fonseca.

367. GUETTARDA conferta, sp. n., foliis ovatis acuminatis basi acutis utrinque hirsutis, stipulis

latis petiolum subeequantibus, cymis subsessilibus, calycis limbo brevi obsolete lobato, corolle
sericeo-hirtee laciniis crispis.—Cocos Island.

Affinis G. hirsute. Pili ferruginei in ramulis petiolis

ees pedunculis venisque foliorum primariis dens, i
venulis transversis rariores. Folia 4-

6-pollicaria, utrinque longiuscule acuminata, venis primariis utrinsecus
rics subtus prominentibus. Stipule late obovate, mucronato-acute, fusco-membranaces, dorso basi
hirsute, — glabre, subsemipollicares. Pedunculi communes per anthesin subnulli, fructiferi 2-4 lin.
longi, ramis recurvis demum pollicaribus. Flores sessiles, parvi (4 lin. longi). Calyx brevis, breviter et

oe oe eeaeraee Corolle limbi lobi 4, breves, obtusi, margine crispi. Drupa ovato-tetragona, 2 a
longa, hirsuta, calycis limbo minimo coronata, putamine osseo, 4-loculari.

368. Curococca racemosa, Jacq.—DC. Prod. v. 4, p- 482.—Tumaco and Atacames.
369. Psycuorrra viridis, Ruiz et Pav.—DC. Prod. y, 4, p. 506.—Salango.
_ 870. Psycuorrra micrantha, Humb. et Kunth.—DC. Prod. v. 3. p. 507.—Tumaco.

In some specimens the leaves are longer and narrower than those figured and

WESTERN TROPICAL AMERICA. 107

described by Kunth, and the panicle more slender, but they all appear to
belong to one species.

371. Psycnorria justicioides, Schlecht. Linnea, y. 9. p. 596.—Columbia.

372, Psycuorrra conferta, sp. n., glabra vel vix apice puberula, stipulis utrinque binis lan«
ceolatis, foliis petiolatis ovali-ellipticis acuminatis basi acute angustatis, panicula parva corymbosa,
floribus numerosis confertis, bracteis minutis, corolla minute puberula intus ad faucem villosa,
laciniis tubo longioribus. —Columbia.

Specimina siccitate nigrescunt. Ramuli obtuse tetragoni, sub inflorescentia leviter pubescentes, coeterum
glabri. Folia longiuscule petiolata, 4-6-pollicaria vel interdum longiora, acumine longo acuto et basi in petiolum
longiuscule angustata, costa media et venis primariis utrinsecus circa 10 prominulis, utrinque viridia, glabra.
Stipulee rufo-membranacewe, acutissime, 2 lin. longw. Pedunculus terminalis, foliis brevior. Panicula
trichotoma, in corymbum parvum contracta. Bractee sub corymbo 1-1} lin. longe, aristato-acuminate,
ceeteree vix conspicue, Flores breviter pedicellati. Calycis tubus ovoideus, limbus brevis, ineequaliter 5-fidus.
Corollee extus puberule tubus brevissimus; faux intus villosa; limbi 5-partiti lacinise tubo duplo longiores,
apice non cornute, Anthere 5, lineares, Styli lobi longiuscule lineares.

373. Psycuorria acuminata, sp. n., glabra, foliis petiolatis ovalibus oblongisve longe acuminatis
basi acutis membranaceis subtus ad axillas minute hirtellis, stipulis brevissime vaginantibus
truncatis utrinque bidentatis, panicula parva breviter pedunculata ovata, corolle glabra intus ad
faucem pilosule laciniis tubo brevioribus.—Isle of Gorgona, and Columbian coast.

Frutex orgyalis. Rami subteretes, dichotomi; ramuli sub foliis compressi vel ancipites. Stipularum
vagina vix conspicua, dentibus utrinque 2 inter se distantibus subulatis semilineam longis. Folia 3-5 poll.
longa, latitudine varia, in acumen longum acutum apice producta, basi breviter acutata, petiolo 2-4 lin. longo ;
venee primariz utrinsecus 6-8 vel interdum numerosiores, axillis minute foveolato-hirtis. Panicula irregulariter
ramosa vel subtrichotoma, laxiuscula, pollicaris vel paullo longior, pedunculo vix pollicari. Bractew inconspicue.
Calycis limbus truncatus, obscure dentatus. Corolla ochroleuca, glaberrima nisi ad faucem pilis paucis hirtella,
tubo gracili sesquilineari. Stamina in speciminibus exserta.

Nearly allied to P. bahiensis DC., but the leaves are thinner, more abruptly
acuminate, with rather longer petioles, the panicles more compact, the flowers
smaller, &c. The leaves in the Columbian specimens are narrower than in those
from Gorgona, and again, Hartweg gathered on the Magdalena a form with
broader leaves than either.

374, Psycuorria fimbriata, Benth. in Hook. Journ. Bot. v. 3. p. 226.—Columbia.

375. Paticourea? parviflora, sp.n., caule tereti glabro, foliis ternatim verticillatis a.
acuminatis supra glabriusculis subtus pubescentibus, stipulis distinctis lanceolatis acuminatis petiolo
longioribus, panicula brevi stricta racemiformi, pedunculis brevibus 1-3-floris.—Island off the coast

of Veragua.

Ramuli subherbacei, Jeeves, internodiis elongatis sub foliis more Acanthacearum siccitate constrictis. : se
4-6--pollicaria, medio 1} poll. lata, costa media venisque primariis utrinsecus 10-18 al wea i 2
villosulis, pube in pagina inferiore inter venas brevissima ; pagina euperiore scabriuscula, ‘8 inter = fe
paucis prasertim secus costam hirtella. Stipulee semipollicares, setaceo-acuminate, fusco-membranacez, :

108 BOTANY OF THE VOYAGE OF THE SULPHUR.

Panicula vix pedunculata, contracta, 2-3-pollicaris, axi communi triquetro ferrugineo-pubescente. Ramuli et
pedicelli brevissimi. Calycis limbus brevissime et obscure 5-dentatus. Corolla glabriuscula, vix tamen
perfectam vidi. Ovarium more generis biloculare, ovulis solitariis erectis.

This plant must be very near to the P. triphylla DC., differing in the downy
under side of the leaves and the broader stipules. It is doubtful, however, whether
both species should not rather be referred to Psychotria, the fully-formed corolla
not being known in either.

376. PaticourEA Guianensis, Aubl?—DC.? Prod. 4. p. 530.—Isle of Gorgona.—The flowers
are rather smaller than in my Guiana specimens, but I can detect no other difference.*

377. Cepn2nis tomentosa, Willd.—DC. Prod. v. 4. p. 533.—Isle of Gorgona.
378, CepHALANTuHUs occidentalis var. brachypodus, DC. Prod. v. 4. p. 538.—Manzanilla Bay.

379. Drop1a crassifolia, sp. n., glaberrima, diffusa, radicans, foliis linearibus lanceolatisque
crassiusculis, vaginis amplis longe multisetis, floribus in axillis subsolitariis, fructibus ovali-oblongis
calycis laciniis 4-6 inzequalibus lanceolatis coronatis——San Blas.

Ramuli crassiusculi, stipularum vaginis fere omnino obtecti. Folia subsesquipollicaria, sessilia, acuta,
rigida, supra levia, margine recurva, costa media subtus valde prominente, ceeterum enervia. Stipularum
vagina 2 lin. vel paullo longior. Setz utrinque 6-8, vaginam sequantes. Flores non vidi. Calyces fructiferi
vaginam breviter superant ; laciniee limbi foliacei, rigidi, valde ineequales, longiores 2 lin. longze.

380. Dropta setigera, DC. Prod. v. 4. p. 563.—Isle of Taboga, Bay of Panama.

381, SperMacocE tenuior, Linn.— DC. Prod. v. 4. p. 552.— Common from Mexico to
Guayaquil.

382. Srermacoce (Borreria) parviflora, Mey.—DC. Prod. v. 4. p. 544.—Gulf of Fonseca.

This species appears to have a wide range and to vary considerably in the
smoothness or roughness of its leaves, and in the proportionate length of the
teeth of the calyx, which are sometimes nearly equal, sometimes two are much
shorter than the two others. It is probable that Spermacoce prostrata, Aubl., is
the same plant, nor can I see any constant character to separate Borrerta rami-
sparsa, DC.

The genus Borreria, as already observed by Hooker and Arnott, and others,
cannot indeed be separated from Spermacoce by any tangible characters, and the
membranous fruited Diodie are also too closely allied to it; but it does appear

that the fruit, as well as the habit of De Candolle’s section Eudiodia are sufficiently
marked to maintain it as a distinct genus.

383. Mrrracarrrum villosum, Cham. Schl.—DC. Prod. v. 4. p. 572.—Folia ovali-vel oblongo-

lane . . . . . . . i
: eolata, paullo angustiora quam in speciminibus Mexicanis Galeottianis; corolla dentes calycinos
non excedit.—Guascuma, in Columbia.

* . : 7
There are also specimens in the collection of Coffea Arabica from Columbia, probably cultivated.

WESTERN TROPICAL AMERICA. 109

384, Mrrracarprum Schizangium, DC.—Hook. et Arn. Bot. Beech. p. 429. t. 99 A.—Tepic.
385. Mrrracarrrum pallidum, Hook. et Arn. Bot. Beech. p. 430. (sp. n.)—Realejo.

386. Cruse parviflora, Hook. et Arn. Bot. Beech. p. 430. t. 99 C. (sp. n.)—Acapulco.

387. Cruse subalata, Hook. et Arn. Bot. Beech. p. 431. (sp. n.)—Tepic.

388. Crusra lucida, sp. n., caule tetragono subalato glabro, foliis late lanceolatis glabris nitidis

margine scabris, capitulis terminalibus involucratis, calycis laciniis subulatis rigidis corolla: tubum
zequantibus.—Southern Mexico.

Ramulus adest sesquipedalis, decumbens, glaber, nitidus, angulis acutissimis subalatis levibus, Folia
subsessilia, pollicaria, acuta, marginibus subtus revolutis et pilis brevissimis serrulato-scabris, supra viridia
nitentia, subtus pallidiora, costa media prominente, venis obscuris. Ramuli et folia juniora in axillis fasciculata.
Stipule e vagina brevi utrinque pluriseta, setis ciliatis rigidis. Pedunculus terminalis, fere 5-pollicaris, capitulo
majusculo coronatus. Folia floralia caulinis similia, sed paullo latiora, interiora minora. Flores numerosi,
sessiles, bracteis intermixti setaceis setisque stipulinis similibus sed evidentius ciliatis, Calycis tubus linearis,
superne bigibbosus, gibbis (ovarii loculos continentibus) oblongis ; laciniee limbi subulati, basi param dilatati et
leviter ciliati, rigidi, 2 lineas parum excedentes. Corolla tubus tenuis, extus puberulus, 2 lin. longus; limbi
laciniz oblongo-lineares, apice piliferee. Stamina longiuscule exserta. Stylus laciniis corollinis brevior.

VALERIANACEER.

389. AstrepHia Mexicana, Hook. et Arn. Bot. Beech. p. 432.—Tepic.

ComPOoSsIT&.

390. Vernonta scorpioides, Pers—DC. Prod. v. 5. p. 41.—Columbia.

391. Vernonta lanceolaris, DC.—Hook. et Arn. Bot. Beech. p. 432.—Realejo; Isle of
Taboga, Bay of Panama; Libertad, in Columbia.

392. Vernonta Sinclairii, sp. n., fraticosa?, ramis pubescentibus, foliis subsessilibus oblongis
remote serratis supra scabris subtus pubescentibus, panicula composita divaricata subcorymbosa,
pedicellis plerisque elongatis, capitulis ovoideis 9-10-floris, involucri squamis glabrinsculis mucty
natis, exterioribus lanceolatis, interioribus linearibus, corollis glabris, achsenio multicostato
pubescente, pappo seriei exterioris brevi paleaceo.—San Blas and Tepic.

Affinis videtur V. liatroidi. Ramorum summitates que solee adsunt, teretes, striate, pube subieermpines.
Folia 2-23 poll. longa, 6-9 lin. lata, venoso-rugosa, supra scaberrima, pube subtus ar subintricata ogame
Panicule rami primarii in axillis foliorum caulinis similium orti, ceterum inflorescentia aphylla — inde
bractea parva foliacea instructa, | Pedunculi inferiores secus ramos elongati, 1-8-cephalt ; — cppdeamtene
capitulis subcongestis. Involucra 4 lin, longa ; squame pluriseriatim imbricatee, pate tg —
purpurascentes, dorso glabre vel minute puberuls, margine tenuissime sublanate, oe
obtusa cum mucrone brevissimo. Pappus albus, rigidus, involucro dimidio longior.

F F

110 BOTANY OF THE VOYAGE OF THE SULPHUR.

393. Disrreptus spicatus, Cass—DC. Prod. v. 5. p. 87.—Realejo; Tiger Island, Gulf of
Fonseca. ;

394. Laaascea rubra, Humb. et Kunth?—DC.? Prod. v. 5. p. 92.—A poor specimen scarcely
sufficient to determine.—Tepic.

395. LaGAscea suaveolens, Humb. et Kunth.—DC. Prod. v. 5. p. 92.—L. latifolia, DC.? 1. ¢.
—Hook. et Arn. Bot. Beech. p. 432.—Tepic.

396. Lacascea angustifolia, DC. Prod. v. 5. p. 92.—Tepic.
397. Protis taliscana, Hook. et Arn. Bot. Beech. p. 296.—Realejo.

398. Pecris arenaria, sp. n., prostrata, glabra, foliis linearibus margine revolutis utrinque basi
3-4-ciliatis crebre et minute pellucido-punctatis, pedunculis folio brevioribus pauci-bracteatis, in-
volucri squamis 5-6 valde imbricatis, ligulis 5-6, floribus disci circa 15, pappi disci setis 10-20 valde
inequalibus nonnullis basi dilatatis, radii setis paucioribus.— Sands of the sea coast, Acapulco ;
Conchagua ; Puna, near Guayaquil.

Caules in arena prostrati, crassi, uni-pluri-pedales, ramulos emittentes plurimos breves dense foliatos. Folia
opposita, subconnata, fere pollicaria, crassiuscula, ciliis baseos latitudine folii longioribus. Pedunculi vix polli-
cares, monocephali, bracteis paucis setaceis rigidis. Involucrum cylindraceum, 4-5 lin. longum, squamis acutis
latis magis quam in affinibus lateraliter imbricatis. Ligule involucro fere duplo longiores; flores disci squamas
paullulum superant. Acheenia fere 3 lin. longa, angulata, glabra. Pappi sete longiores achzenio breviores,
ali multo minores, ex eorum numero 4-5 seepius basi dilatatee, ceeteree subulatee, scabride.

A much coarser plant than most species, with larger heads of flowers, and
growing in the dark sand of the beach, at a temperature of 126°. It was gathered
in the same situation by Galeotti, and is his No. 2063.

Pots Suycuarria discolor, Hook. et Arn. Bot. Beech. p- 433.—Hook. Ic. Pl. t. 451. (gen. nov.)
—Realejo.

400. Piquerta trinervis, Cav. DC. Prod. v. 5. p. 104.—Tepic.

401. Prquerta densiflora, sp. n., glabra, foliis ovatis vel ovato-lanceolatis acuminatis grosse

dentatis, eapitulis 4-floris in ramulis panicule subnude confertis numerosis, involucri squamis
obtusiusculis.—Isle of Puna, near Guayaquil.

Rami une, — teretibus glabris lucidis, et ex specimine sicco scandentes videntur. Folia 2-23-polli-
— veined acunainita, anne seu crenis paucis ineequalibus notata, basi acute cuneata, membranacea, glabra,
trinervia, venulis subpellucidis, petiolo gracili 3-6 lin. longo ;
glutinosa, pyramidata, opposite ramosa, ca

confertis.

superiora angustiora, integriora, Panicula leviter
pitulis ad apices ramorum in glomerulos polycephalos subsessiles

ee, res ‘ 1 longum, squamis 4 subequalibus oblongis, apice ciliolatis obtusis, dorso leviter
Jectis seepe 1-2 minoribus exterioribus. Corolla invol
loso-puberulo basi dilatato, iy Baa Needy

Styli rami subclavati.

superantes, tubo tenui extus glandu-
Fauce glabra campanulata, limbo profunde 5-fido, Antherze apice appendiculate.
Achzenia glabra, angulata, areola lata cartilaginea coronata.

402. Isocar roart : s
oc alteage PHA a sp. n., (Plate XLI.) pubescens, caule divaricato-dichotomo, foliis
alternis 0 s Sate; A oe . ee : ioli i i
einhutis A a — oblongis lanceolatisve integerrimis trinervibus, petiolis basi nudis,
- pedi Hatis ovoideis, involucri squamis lanceolatis acutiusculis ciliato-pubescentibus,
achzenio glaberrimo.—Isle of Puna, near Guayaquil,

WESTERN TROPICAL AMERICA. lll

Herba ut videtur annua, pedalis vel altior, ramis alternis elongatis gracilibus teretibus nune puberulis nune
molliter villosis. Folia inferiora 1}-2-pollicaria, longiuscule petiolata, obtusiuscula, utrinque pube minuta
mollia, minute pellucido-punctata ; superiora minora, angustiora. Capitula ad apices ramulorum ultimorum
2-3, breviter pedicellata, 23 lin. longa, forma fere Spilanthis. Involucrum turbinatum, squamis subbiserialibus
paucis pallide virescentibus, pube molli subviscosa. Receptaculum elongato-conicum. Palea concave, corollis
vix breviores, apice ciliates, exteriores squamis involucri subsimiles, interiores lineari-spathulate, hyaline.
Corollee tubus tenuis, basi dilatatus et deorsum pilosus ; faux elongata, tubo duplo amplior, glabra ; dentes limbi
breves, patentes. Antherse incluse, apice ovato-appendiculate. Styli rami obtusiusculi, exserti, hispiduli.
Achenia tetragona, nigra, glabra, omnino calva,

The genus JIsocarpha, to which this plant belongs, is rather that established
by Lessing, in the Linnea, v. 5. p. 141, than the original Isocarpha of Brown,
founded on the I. oppositifolia. It is true that Lessing afterwards considered his
as the same as Brown’s, and as differing from Calydermos by the style, that of
Eupatoriacee, and that De Candolle, following him in this opinion, has placed
Isocarpha of Brown among Eupatoriacee, but has copied Brown’s description of
the style, altering only the phraseology to suit the general views adopted by him:
“Styli rami elongati, extus convexi, hispiduli, acuti,” a character accurately taken
from J. oppositifolia, Br., but not applicable to the J. echioides, Less., where the
branches of the style are described and figured as obtuse, nor yet conformable to
the general form of the style in Eupatoriacee. It is probable that, on a further
investigation, the present species, with three or four unpublished Brazilian ones,
and the I. echioides, Less. (with which I am unacquainted), will be found to be true
Eupatoriacee, whilst the I. oppositifolia, Br., appears to be strictly congener with
the Dunantlia achyranthes, DC., admirably figured in the 4th vol. of Delessert's
Icones, and to be nearly allied to Spilanthes. With regard to the names to be
respectively adopted for the two genera, it would occasion less confusion were
Lessing’s to retain that of Isocarpha, and were the J. oppositifolia to be transferred
to Dunantia; but this would perhaps be too contrary to the rules of priority to be
adopted. I refrain, however, for the present from establishing any further the
separation, as I have no opportunity of examining three of the four species
enumerated in the Prodromus.

Plate XLI. fig. 1, head of flowers, vertical section ; fig. 2, scale of the receptacle ; fig. 3, flower ;
fig. 4, upper part of the style; fig. 5, achenium ; fig. 6, the same cut across : all magnified.

403. Ca.zstina corymbosa, DC. Prod. v. 5. p. 108.—San Blas and Tepie.—A ie appa-
rently well distinguished from C. ageratoides, with which some botanists unite it.

404. Catnstina petiolata, Hook. et Arn. Bot. Beech. p. 433. (sp. n.)—Realejo.

405. Acrratum conysoides, Linn.—DC. Prod. v. 5. p. 108.—Columbia.

406. Apencsremma Swartzi, Less--DC. Prod. v. 5. p. 110,-—Bolia, saleepte spe som
pedalia, 4-5-poll. lata—Salango. a

112 BOTANY OF THE VOYAGE OF THE SULPHUR.

407, Srevia elliptica, Hook. et Arn. Bot. Beech. p. 434. (sp. n.)—Tepic, Acapulco.

408. Stevia Henkeana, DC.? Prod. v. 5. p. 122. var.? inflorescentia laxiore, pappo longiore
10-12-aristato ; an S. suboctoaristata, Lag. ?—Huamantango.

409. Decacuzta Henkeana, DC. Prod. v. 5. p. 133.—Tepic.
410. Hepectinium tepicanum, Hook, et Arn. Bot. Beech. p. 434. (sp. n.)—Tepic.

411. Eupatortum sericeum, Humb. et Kunth?—DC.? Prod. v. 5. p. 142.—Leaves smaller,
and fewer florets in each head than as described by Kunth, but the specimen, which is young, and
scarcely yet in flower, agrees in other respects——Puna, near Guayaquil.

412. Evpatortum odoratum, Linn.—DC. Prod. v. 5. p. 143.—Columbia.—Also a variety with
elongated involucres, and whitish, almost shining scales, from Central America.

413. Evparortum conysoides, Vahl.—DC. Prod. vy. 5. p. 143.—San Blas, Nicoya, Gulf of
Fonseca.

414. Evpatortum ovaliflorum, Hook. et Arn. Bot. Beech. p, 297.—Tepic.

415. Evratortum (Imbricata) compactum, sp. n., fruticosum, ramis obtuse hexagonis superne
viscido-puberulis glabratisve, foliis oppositis petiolatis ovato vel oblongo-lanceolatis acutis vix
crenulatis basi rotundatis coriaceis supra bullato-rugosis glabris subtus dense cano-tomentosis,
corymbo compacto foliis breviore, capitulis circa 35-floris, involucri ovati squamis pluriseriatim
imbricatis laxis acutis ciliolatis extus glutinosis vix puberis——Huamantango.

Pluribus notis cum LZ, discolori convenit, sed folia valde rugosa, et flores in capitulo numerosiores ; affine
etiam L. salviafolio, sed folia in hoc argute serrato-dentata, et flores infra 30. Folia in specimine 4 poll. longa,
1} poll. lata, juniora margine revoluta, adulta versus apicem minute crenulata vel subintegerrima, more
FE, glutinosi penninervia reticulato-venosa et bullato-rugosa, basi tamen nec cordata ut in H. glutinoso nec
angustata ut in HE. discolori ; tomentum pagine inferioris densum, sordide albidum. Petioli 3-4 lin. longi.
Corymbus subsessilis, 24 poll. diametro, ramis infimis oppositis, ceteris alternis, ultimis pedicellisque brevissimis.
Bractece ad ramificationes lineari-lanceolate, parve. Capitula circa 5 lin. longa, Squame seriebus circa 7
imbricate, laxiuscule, omnes acute, margine scarioso-ciliolate, dorso glutinosee, exteriores breves ovate,

interiores elongatee lineares. Corolle (in specimine vix apertee) involucrum eequantes, basi parum attenuate, lis
E. glutinosi similes.

416. Evpatorrum (Imbricata) Barclayanum, sp. n., fraticosum ? glabrum, ramis obtuse
sexangularibus, foliis oppositis subpetiolatis ovatis vel ovato-oblongis obtusissimis integerrimis vel
obscure calloso-denticulatis basi rotundatis rigidis reticulatis subtus punctulatis, panicula sub-
corynibose ramis oppositis, capitulis subsessilibus circa 35-floris, involucri squamis 3-4-seriatis

RBS linearibus striatulis plerisque acutis ciliatis dorso-puberulis.—Isle of Taboga, Bay of
anama.

— Plura cum diagnosi 2. dodoneefolie DC. conveniunt. Ramus adest rigidus, sesquipedalis, simplex, in
siccitate leviter scaber, in vivo verosimiliter viscosus. Internodia foliis longiora. Petioli 1-2 lin. longi, semi-
oo. Folia 2-29 poll. longa, 12-15 lin. lata, subcoriacea, penninervia, nervis reteque venarum subtus
eee eitibus, puncte glandulose parvee in pagina inferiore sparse. Paniculze rami omnes oppositi, infimi
per paria distantes, apice dense corymbosi, oligocephali ; superiores in corymbum dispositi ; bractee ad

WESTERN TROPICAL AMERICA. 113

ramificationes parve, Capitula subsessilia, ovoidea, 3 lin, longa, squamellis in pedicello brevi paucis parvis
suffulta. Squamee striate, puberule, margine presertim interiores subscariose, omnes acutee vel preesertim
intermedize obtusiusculz, exteriores brevissimee, interiores flores subeequantes. Corolle tenues in faucem paullo
ampliate. Stylus basi leviter bulbosus, at glaber nec ut in Brickelliis pilosus, rami elongati, obtusi, non clavati.
Acheenia (immatura) ad angulos ciliata,

417. Eurpatorium Neeanum, DC. Prod. v. 5. p- 160.—San Blas and Tepic.

418. Evparortum Schiedeanum, DC. Prod. v. 5. p- 159.—E. multinervium, Benth. Pl. Hartw.
p. 76.—Species valde variabilis cui etiam verosimiliter referendum, E. ageratifolium, var. 8. Texense,
Torr. et Gr. Fl. N. Amer. v. 2. p. 90.—Realejo.

419. Evuparortum paniculatum, Schrad.—DC. Prod. v. 5. p. 167 .—Nicoya, Gulf of Fonseca.

420. Evparorrum (Subimbricata) dissectum, sp. n., herbaceum, caule gracili dichotomo pubes-
cente, foliis oppositis bi-tri-pinnatim sectis, segmentis parvis ovato-lanceolatis acutis incisis mem-
branaceis, pedunculis monocephalis elongatis terminalibus vel in dichotomiis geminis, capitulis
multifloris, involucri squamis pauciseriatis angustis acutissimis glabris.—Phunia? dissecta, Hook. et
Arn. Bot. Beech. p. 434.—Acapulco.

The true Phania of De Candolle, admirably figured in the 4th vol. of Deles-
sert’s Icones, is a very different plant from the present one, partaking, perhaps,
rather more of the character of the Senecionidee Heleniee than of the Eupatoriacee.
I have already suggested (above, p. 21.) that the Phania urenefolia, Hook. et
Arn., belongs probably to the new genus which I have there described as Helogyne,
a name which had however been already taken up by Nuttall for a very different
plant, and which must now therefore be altered, as has most probably been
done by Endlicher, in the Fourth Supplement to his Genera now in the press.
The present plant, referred by Hooker and Arnott with doubt to Phania, appears
to me to have all the characters of Eupatorium, having the involucre, receptacle,
flowers, and achenia of many of the section subimbricata. The. hairs of the
pappus are, it is true, rather fewer and more rigid than is usual in that genus, but
yet they are not definite in number as in Ageratum and Stevia. There are also

several instances of dissected leaves in Eupatorium.

421. Mrxanta Guaco, Humb. et Bonpl.—DC. Prod. v. 5. p. 193.—Isthmus of Darien.
422. Mrxanra tamoides, DC. Prod. v. 5. p. 197 ?—Perfectly smooth, with small dense ‘corymbs,
as described by De Candolle, but the leaves not so acuminate. It is, however, very difficult to

ascertain the limits of the species in this group.— Central America.
423. Mreanra gonoclada, DC. Prod. v. 5. p. 199.—Columbia.

424, Mixanta angularis, Humb. et Kunth.—DC. Prod. v. 5. p. 202.—Tumaco.

Nees.—DC. Prod. v. 5. p. 254.—This is the small-flowered form,
from the Sandwich Islands, and, perhaps,
p. 163; but it would be difficult

425. Trieotium subulatum,
probably the same as the one described by Lessing,
different from the Aster divaricatus, Torr. et Gr. Fl. N. Amer. 2.

GG

114 BOTANY OF THE VOYAGE OF THE SULPHUR.

to clear up the confusion which prevails over this species and its allies, without good sets of spe-
cimens from various localities —Peyta, in Columbia.

426. Entcrron velutipes, Hook. et Arn. Bot. Beech. p. 434. (sp. n.)—San Blas to Tepic.

427, Conysa apurensis, Humb. et Kunth.—DC. Prod. v. 5. p. 380. var. hispidior, foliis
majoribus, inferioribus longe petiolatis obovatis grosse dentatis, cetera omnia uti a Kunthio
descripta.—Central America.

428. Baccuanis rhexioides, Humb. et Kunth.—DC. Prod. v. 5. p. 399.—Answers well to De
Candolle’s character, and to Kunth’s description, and agrees with specimens from other parts of
South America, but very unlike any Rhexia I am acquainted with.—Columbia.

429. Baccnanis cinerea, DC. Prod. v. 5. p. 400.—The specimens (both male and female) are
more rigid, and the heads of flowers more numerous and crowded than is usual in Brasilian ones,
but I cannot perceive any specific difference.—Guayaquil.

430. Baccuaris spartea, sp. n., suffruticosa? glabra, ramis virgatis striatis, foliis subsessilibus
oblengo-linearibus obtusis mucronulatis integerrimis subtrinervibus, capitulis foemineis multifloris ad
apices ramulorum panicule pyramidatz foliose sessilibus, involucri campanulati squamis margine
scarioso-fimbriatis, exterioribus ovatis obtusis, interioribus oblongis acutiusculis, receptaculo
paleato.— Huamantango.

Specimina que adsunt omnia feeminea. Ramuli (vel caules ?) parum ramosi, sesquipedales, paucifoliati, iis
Geniste tinctorie subsimiles, superne subviscosi. Folia sparsa, majora pollicem longa, 13-2 lin. lata, apice
_ rotundata, mucronulo minuto, basi angustata et nonnulla subpetiolata, subcoriacea, utrinque viridia, costa media
subtus prominula, lateralibus utrinque sepius obscuris, venis vix conspicuis ; folia floralia in panicula caulinis
subconformia at multo minora, Panicula pyramidata vel subcorymbosa, vix semipedalis, polycephala. Capitula
ad apices ramulorum 2-6, congesta, vix 24 lin. longa. Involucri squame pluriseriatim imbricate, exteriores
breves latee appressee, interiores gradatim longiores, seriei intime apice patentes, omnes margine scariosee, medio
dorso virides. Receptaculum planum. Pale deciduz, anguste, scariose, pappo paullo breviores. Flores

eenages (ultra 30). Corolle filiformes, truncate, pappo breviores. Styli rami angusti, acuti, planiusculi.
Ovarium glabrum. Acheenia non vidi.

| The Baccharides with paleate receptacles have been generally distinguished,
by C. H. Schultz, under the name of Achyrobaccharis, but, as far as hitherto known,

this character appears much too indefinite, and too little accompanied by any
other difference to warrant the separation.

431. Ecurpra erecta, Linn.—DC., Prod. v. 5. p- 490.—Guayaquil.

: Re Crapaprum aewminatum, sp. n., scabro-pubescens, foliis petiolatis ovatis longe acuminatis
uplicato-serratis basi cuneatis subtriplinervibus, panicula subcorymbosa, capitulis ovatis, floribus

feemineis circa 5 biseriali et . ‘ ae & ;
a iserialibus, acheeniis vix apice minute puberulis, masculis circa 3, ovarii rudimento
apice piloso.—Cocos Island.

= Rami subteretes, minute scabro-pubescentes. Folia 6 poll. longa, 3 poll. lata, petiolo 1-14-pollicari, utrinque
pilis exieutis scaberrima, penninervia, sed nervi 2 ceteris sepius validiores. Panicula laxa, ramis divaricatis.
Capitals in genere parva, vix 2 lin, longa, extus minute scabro-puberula, Squame lato-ovate, concave, striate.
valde imbricate, exteriores 2-3 steriles, interiores 5 paleceformes, late, biseriales, flores foemineos in axillis

WESTERN TROPICAL AMERICA. 115

foventes. Flores foeminei vix paleas superantes; ovarium obovato-compressum, apice ,minute glanduloso-
puberulum ; corolla tubulosa, extus glandulosa, insequaliter tridentata ; styli rami glabri, obtusiusculi, recurvi ;
acheenia matura late obovata, obcompressa, apice vix minute puberula, calva, Flores masculi 3-4, in disco
epaleaceo sessiles ; ovarium breve, abortiens, apice longiuscule villosum, corolla extus glandulosa, tubo brevissimo,
fauce ampla tubuloso-campanulata quinquedentata; filamenta complanata; anthere sublibere, basi brevissime
sagittatee, apice ovato-appendiculate ; stylus simplex, puberulus.

This answers to De Candolle’s short character of C. havaneuse, as to the
foliage, but the female flowers, few as they are, are certainly not in a single row,
and the achenia are not villous.

433. Bautimora recta, Linn.—Fougerouxia recta, DC. Prod. y. 5. p. 510.—Central America.

434, Mrtampoprum tenellum, Hook. et Arn. Bot. Beech. p. 299. — Acapuleo.—Ejusdem var.
Jlaccidum, caule elongato foliisque majoribus vix strigillosis.—Tepic.

435. Amprosta artemisiefolia, Linn.—DC. Prod. v. 5. p. 526.—Guayaquil.
436. ZinnrA angustifolia, Humb. et Kunth.—DC., Prod. v. 5. p. 536.—Tepic, Realejo.

437. WrpELIA paludosa, DC. Prod. v. 5, p. 538.—Mundiche, in Columbia, Guayaquil.—A
very variable plant in the form of its leaves.

438. Wepetta populifolia, Hook. et Arn. Bot. Beech. p. 435. (sp. n.)—Realejo.
439, WepeEttiA acapulcensis, Humb. et Kunth.—DC. Prod. v. 5. p. 542.—Columbia.

440, Wepetta grandiflora, sp. n., caule herbaceo? elato pilis longis hispido, foliis petiolatis
ovatis acuminatis serrato-crenatis triplinervibus supra hispido-scabris subtus pubescenti-pilosis, pedun-
culis terminalibus solitariis, involucri squamis exterioribus late ovatis acuminatis foliaceis his-
pidis, interioribus late oblongis membranaceis, ligulis 12-15 bidentatis, achaeniis subtetragono-
compressis angulis 2 acutissimis apice emarginatis calyculatis.—Guayaquil.

Ramuli herbacei, 1-14-pedales, pilis longis albis mollibus preesertim apice hirsuti. Folia erp in 3 poll.
longa, 2 poll. lata, helianthoidea, basi truncato-cuneata et in petiolum brevem alatum decurrentia. Petomeai
in dichotomiis et apicibus ramorum 2-8-pollicares, pilosi. Capitulum hemisphericum, quam in WwW. sas autaanad
majus. Involucri squame exteriores 5, semipollicem longz, interiores iis subeequilonge, penem, fere scariose.
Ligule 9-10 lin. longee, bidentate, tubo brevi ; styli rami subulati. Flores disci mumerost ; antheree exserte ;
stylus inclusus, ramis appendice subulato birsuto terminatis.—Ejusdem var. ? macrophylla, in — = re
caule foliisque supra hispidis, capitulis paullo minoribus, involucri squamis exterioribus angustioribus.
Species propria ?

441. Wepetim, sp. W. helianthoidi subsimilis—Peyta, in Columbia.—The specimens too
young to determine. z

442, Wepetim? v. Vieutera? sp.—Cocos Island.—The specimens in too imperfect a state to
determine. i gee)

443. Wepeia? strigosa, Hook. et Arn. Bot. Beech. p. 435. (sp. n.)—Acapulco.

444, Wepewis? cordata, Hook. et Arn. lL. ¢. (sp. n.}—Realejo.
445, Went? subfleruosa, Hook. et Arn. 1. c. (sp. n.)—Realejo.

.

116 BOTANY OF THE VOYAGE OF THE SULPHUR.

The plants belonging to the Helianthoid genera with a calyculate pappus are
very difficult to determine; the distinction between the female rays of Wedelia,
and the neuter ones of Gymnopsis, Anomostephium, Viguiera, &c., is perhaps not
constant in some species, nor ever very consonant with habit. Thus the three
last-mentioned species, published by Hooker and Arnott as Wedelie, appear to me
to have the ray always neutral or sterile. The achenia of W. strigosa are not yet
ripe, but seem to refer the plant either to Oyedea or to the section of Viguiera
with a nearly flat receptacle (very different in habit from the Viguiere with a
conical receptacle); the W. subflexwosa has the habit as well as the achenium
and pappus of Gymnopsis rudbeckioides, DC.; and the W. cordata is also very
near that plant, but the specimens are too young to determine accurately.

446. Mevantuera deltoidea, Reichb.—DC. Prod. v. 5. p. 545.— Columbia.

447. Mevantuera oxylepis, DC.? 1. c.—Species colore pallido et rete venarum insignis.
Variat foliis ovatis integris vel hastato-trilobis—Realejo, Gulf of Fonseca.

448. Gymnopsis (Aldama) divaricata, sp. n. herbacea, divaricato-ramosa, strigoso-pubescens,
foliis inferioribus oppositis petiolatis ovatis vel ovato-lanceolatis grosse dentatis basi cuneatis 5-
nervibus superioribus alternis lanceolatis, involucri squamis uniseriatis ovato-lanceolatis acuminatis
foliaceis strigosis, receptaculi paleis acheenia glaberrima arcte involventibus obovatis obtusis corru-
gatis, pappo coroniformi minutissimo.—Gulf of Fonseca.

Herba 1-1}-pedalis, ramis oppositis vel! dichotomis, divaricato-adscendentibus. Folia inferiora bipollicaria,
superiora minora, subrugosa, viridia, pilis crebris appressis rigidis preesertim subtus canescentia. Flores fere
G. uniserialis. Involucri squame subsemipollicares, laxee, latitudine varic. Ligule 5-6, ovario parvo nudo
tubo elongato, lamina obovata vel oblonga, obtusa, subintegra, lutea. Pales receptaculi virides, villosule, demum
achenia disci undique involventes et clause, acheenio arcte appresse et subcoheerentes, basi lateraliter affixe,
nec acuminate nec cucullate. Flores disci longe tubulosi, hirtelli. Styli rami appendice longa hirtella superati.
Acheenia obovoideo-pyriformia, apice umbonata. Pappus vix conspicuus, e palea brevissime protrudens.

This species with the G. dentata, DC., G. Schiedeana, DC., and G. uniserialis,
Hook., to which it is nearly allied, cannot surely be congeners to the Gymnoloma
of Humb. and Kunth, with which they have been united under the common name
of Gymnopsis. The remarkable manner in which the fertile achenia of the disk
are enclosed in the palez of the receptacle, like those of the ray flowers in Melam-

podium, seems fully to warrant the retaining for them Llave and Lexarsa’s generic
name, Aldama.

449. Trruonta angustifolia, Hook. et Arn. Bot. Beech. p. 435. (sp. n.)—Tepic.
450. Trruonta tagetiflora, Desf.—DC. Prod. v. 5. p- 584.—Realejo, Acapulco.
451. Hevianruus annuus, Linn.—DC. Prod. v. 5. p. 585.—Isle of Puna, near Guayaquil.

452. Brnens ¢ereticaulis, DC, Prod. v. 5. p. 598, var. foliorum segmentis minus acuminatis,
ceeterum speciminibus Mexicanis simillima.— Columbia,

WESTERN TROPICAL AMERICA. 117
453. Brpens leucantha, Willd.—DC. Prod. v. 5. p. 598.—Tepic.
454. Brens hispida, Humb. et Kunth.—DC. Prod. v. 5. p. 599.—Peyta, in Columbia,

455. Cosmos caudatus, Humb. et Kunth.—DC. Prod. v. 5. p. 606.—Bidens bipinnata, Hook.
et Arn. Bot. Beech. p. 436. non Linn.—Various stations, from Tepie to Guayaquil.

456. Cosmos carvifolius, sp. n., glaber, foliis bipinnatipartitis lobis capillaceo-linearibus inte-
gerrimis, involucri squamis exterioribus circa 8 lanceolatis acutis quam interiores brevioribus,
acheeniis glabris levibus longiuscule rostratis 5-aristatis—Tepic.

In omnibus cum descriptione Kunthii C. parviflori convenit, nisi acheeniis longius rostratis ad angulos non
scabridis et aristis in omnibus quos vidi capitulis semper quinque nec tres,

457. Lirocu#{TE macrocephala, Hook. et Arn. Bot. Beech. p. 436. (sp. n.)—Acapulco.
458. Lirocuz£tTE umbellata, DC. Prod. v. 5. p. 610.—Tepic.

459. Dunantia achyranthes, DC. Prod. v. 5. p. 627.—Deless, Ic. Sel. v. 4. t. 37. — Gulf of
Fonseca.

The style of this plant, very well represented in the figure quoted, as well as
that of Isocarpha oppositifolia, Br. (which I have above shown to be a congener),
and of some other Senecionide, is, strictly speaking, nearer that of Vernoniacee,
and shows the difficulty of relying on the style alone for the distinction of these
tribes. In both tribes the sterile summit of the branches is hispid, and neither
club-shaped as in Eupatoriacee, nor (except in a few Senecionide) broad or
flattened as in Astere@. In Vernoniacee the hairs usually extend on the outside,
much below the end of the stigmatic leaves, and even below the fork of the style,
without any sudden difference in the length of the hairs, and the sterile part is
always long and pointed ; in the greater number of Senecionide, on the contrary, the
branches of the style are usually entirely smooth up to the end of the stigmatic
lines, and are there either truncate, with the sterile part reduced to a tuft of hairs,
or terminated by a conical or elongated and pointed sterile part, with the hairs at
its base longer than the others ; but there are many Vernoniacee where the stigmatic
portion of the branches is nearly or even perfectly smooth, and there are several ©
Senecionide, like Dunantia, in which the long hairs at the base of the sterile
portion are wanting, and the stigmatic part is not wholly smooth on the outside.
In such cases other characters must be resorted to for the distinction of these two_
large groups, which are, generally speaking, natural, and would be still more so if
the opposite-leaved radiate, Vernoniacee (Pectidee and Liabee), could be trans-

ferred to Senecionide.
460. Satmea angustifolia, sp. n., foliis oblongo-lanceolatis utrinque angustatis acutis cauleque
scaberrimis, corollis rectiusculis, aristis eequalibus.— Mexican coast.
Frutex, ramulis teretibus pube brevi albida seabris. Folia subsessilia, 3. poll. longa, medio 6-9 lin. lata,
HH

118 BOTANY OF THE VOYAGE OF THE SULPHUR.

margine recurva, penninervia, rugosa, utrinque pube brevi scaberrima. Capitula ad apices ramorum pauca,
breviter pedunculata, quam in S. curvifiora paullo majora. Involucri squame perpauce, ovate, breves.
Receptaculum elongato-conicum. Pale floribus breviores, ovate, acuminate, complicatee, crassiuscule, mar-
gine membranacete, exteriores apice squarrose. Corollee omnes tubulosee, tubo brevissimo hispido, fauce
elongato vix latiore glabriusculo, limbo 5-dentato. Stamina subinclusa ; filamenta complanata; anthere basi
truncate, appendice apicis brevi ovata mucronata. Styli rami exserti, complanati, apice subtruncati et cono
brevi superati. Acheenia lateraliter compressa, obovata, plana, emarginata, ad angulos ciliata et summo apice

subalata ; aristee breves, ciliate.
461. SynepRELLA nodiflora, Gertn.—DC. Prod. v. 5. p. 629.—Panama to Guayaquil.

462. Tacetes microglossa, sp.n., erecta, elata, alterne ramosa, foliis inferioribus oppositis
superioribus alternis pinnatisectis, segmentis 5-8-jugis lineari-lanceolatis acute serratis, infimis
paucis setaceo-divisis, pedunculis elongatis apice incrassatis monocephalis, involucris tubulosis 4-5-
dentatis sub-20-floris, ligulis paucis minimis.—Salango.

Affinis 7, glandulifere. Rami elongati, laterales capitula superant. Folia forma fere 7’, patula, 2-3-
pollicaria ; segmenta subdistantia, 6-12 lin. longa, acuta et acute serrata, basi angustata, glandulis sparsis
mediocribus ; segmenta infima cauli approximata, parva, in lacinias paucas capillaceas fissa. Pedunculi ad apices
ramorum pauci, erecti, tripollicares. Capitula per anthesin 5-6 lin. longa; involucra fructifera 7-8 lin. longa,
maculis linearibus notata, dentibus obtusiusculis. Acheenia nigra. Pappi palearum una flores disci subsequans
acutissima, ceeterse connate in paleam unicam dimidio breviorem obtusam vel emarginatam.

463. Tacetes multiseta, DC. Prod. v. 5. p. 645.—Tepic.

464, Porornyiium viridiflorum, DC.? Prod. v. 5. p.648.—Hook. et Arn. Bot. Beech. p. 436.
non Benth. Pl. Hartw. p. 20. (quod species nova est.)}—San Blas to Tepic.

465. Oxypappus scaber, gen. nov. Heleniearum, (Plate XLII.)—Chrysopsis scabra, Hook. et
Arn. Bot. Beech. p. 434.—San Blas to Tepic.

Cuar. Gen. Capitula heterogama, radiata. Involucri squame uniseriales, acute, sequales.
Receptaculum convexum, nudum. Flores radii pistilligeri (an fertiles ?), lamina oblonga triden-
tata. Flores disci tubulosi, 5-dentati. Styli rami filiformes, acutiusculi, vix hirtelli. Anthere
ecaudate. Achenia linearia, Pappi ariste 3-5, scabrelle, basi paleaceo-dilatate.

| o. scabra, Herba annua, erecta, 1-1}-pedalis, basi hispida, superne pube brevi glandulosa scabriuscula.
Caulis tenuis, striatus, rigidulus, superne laxe corymbosus, ramis elongatis gracilibus. Folia infima ad basin
ceaulis subrosulata, oblonga, 1}-2-pollicaria, basi angustata, margine grosse dentata vel subintegerrima ; caulina
ies inferiora opposita, lanceolata, basi angustata, margine integerrima vel paucidentata vel basi utrinque
lobulo Hneart aucta ; suprema alterna, parva, linearia, obtusa, integerrima. Capitula parvula, in apicibus ramu-
lorum solitaria. Involucrum hemispheericum, squamis 1} lin. longis, dorso viridibus scabro-pubescentibus, margine
phn Flores subglabri, lutei: radii tubus gracilis, lamina 2 lin, longa; disci involucro vix
eeores, bast tenuiter tubulosi, versus medium abrupte dilatati in faucem tubulosam, tubo vero duplo ampliorem,
dentibus limbi brevibus. Stamina vix exserta, appendice lanceolata. Styli rami breviter exserti, recurvi.

etimcia sas lineam longa, nigri, pilis paucis minutis conspersa. Pappi aristee achzenio sublongiores, eequales,
in radio sapius tres, in disco quinque.

3 Hooker and Arnott, in describing this plant from the present collection as 4
hrysopsis, expressed, at the same time, their opinion that it would hereafter be

WESTERN TROPICAL AMERICA. 119

found to belong to some other genus ; but, although certainly not a Chrysopsis, it
does not appear to agree with the character of any other known genus, but to
form a new one in that group of Heleniee calle by {\rrey and Gray the Eugail-
lardie. 'The form of the style is not, it is true, decidedly that of either of the four
first great divisions of Composite, for the branches are not so flat as in Asteree,
there is no tuft of hairs at the base of the sterile portion as in most Senecionidee,
the branches are not obtuse as in Eupatoriacee, nor so hairy as in Vernoniacee ;
we must therefore be guided by the secondary characters derived from the com-
bination of the opposite leaves, yellow flower, paleaceous pappus, &c., in fixing
its place amongst Senecionide of the tribe Heleniew. In this tribe the nearest
affinities of Oxypappus are on the one hand with Palafowia, on the other with
Hymenoxys, but it is abundantly distinct from both. I have borrowed the generic
name from a sectional one, once proposed by De Candolle for a species of
Hymenoxys, now unoccupied, as that plant is adopted as a genus (by Fischer and
Meyer) under Nuttall’s name of Péilomeris.

Plate XLII. fig. 1, head of flowers, vertical section; fig. 2, flower of the ray; fig. 3, flower of
the disk ; fig. 4, summit of the style; fig. 5, achenium of the ray; fig. 6, achenium of the disk:
all magnified.

466. PrrrryLE microglossa, sp. n., achzeniis margine dense ciliatis apice tenuiter biaristatis inter
aristas breviter subsquamoso-ciliatis.— Realejo.

Herba habitu P. californice similis sed robustior ; pubes brevior, rarior ; folia majora ; pedunculi breviores.
Ligule pauce, parve, obovate, orbiculate, tricrenate. Acheenia margine calloso dense ciliato cincta. - Pappi
ariste breves, latitudinem achenii vix aquantes ; squamelle intermedice ciliseformes, vix dilatate. Styli rami
leeviter compressi, acuti, hirtelli.

This second species, nearly allied to the Californian one described and figured
above (p. 23, pl. xv.), does not throw any further light on the affinities of the
genus. The style (represented in the plate with rather too broad branches) brings
it nearer to Asteree than to Senecionide, but the leaves are opposite and the aspect
of the plant not unlike that of Galnsoga. It may, therefore, be better placed
among the Euheleniee than at the end of Asteree.

467. Gatinsoaa (Vargasia) hispida, sp.n., herbacea, decumbens, ramosa, piloso-hispida, foliis
petiolatis ovatis grosse dentatis 3-5-nerviis, pedunculis in apicibus Famoruga paccis brevibus mono-
cephalis, floribus disci pappo duplo longioribus.—Peyta, in Columbia, Guayaquil; gathered also
by Cuming at Lima (n. 1028).

Herba rudis, laxe opposite ramosa, 1-1}-pedalis. Pili longi, albi, rigidi, in ramulis junioribus a. in
ramis foliisque rariores, sparsi. Folia longiuscule petiolata, 13-2 poll. longa, 1-1 poll. _ ee . ie
acuminata, superne grosse et obtuse dentata, basi late cuneata, integerrima, mem branacen, — TRE
prominentibus, rete venarum parum conspicua. Capitula in ramo 3-5, in corymbum foliis — 2 cum
2 lin, longa, Pedunculi..2-4 lin. longi, hirsuti, ebracteati. Involucrum campanulatum, squamis e

120 BOTANY OF THE VOYAGE OF THE SULPHUR.

suborbiculatis striatis glabris vel basi dorso puberulis, adjecta altera exteriore angustiore hirsuta. Receptaculum
convexum, paleis exterioribus 6-8 late oblongis per paria cum squamis involucri et acheenia radii deciduis,
interioribus paucis angustioribus. Flores radii 3 vel 4, inter involucri squamas et paleas exteriores arcte inclusi ;
tubus tenuis hirsutus; ligula exserta, lata, concava, purpurascens, triloba, lobo medio ovato, lateralibus latissimis
valde obliquis. Flores disci involucro eequilongi, tubo brevi hirtello, fauce elongata, limbo 5-dentato. Stamina
corollam vix equantia, non nigricantia, basi brevissime sagittata. Stylus inclusus, ramis inappendiculatis,
Achenia radii subcompressa, pappi squamis cirea 20 achznio brevioribus linearibus lanceolatis vel oblongis
acuminatis ciliato-laceris. Achzenia disci obscure angulata, basi attenuata, nigra, pilis paucis brevibus hirtella ;
_ pappus illo radii similis, sed e squamellis latioribus constans.

The genus Vargasia, DC., with all the habit of the common Gadinsoga, only
differs in the pappus of the ray being reduced to smaller and narrower scales than
those of the disk, a distinction so slight as scarcely to warrant the separation, the
more so as there is much doubt whether the original Vargasia caracasana, DC.,
is not a mere variety of the common Galinsoga parviflora. The plant now de-
scribed is certainly distinct as to species, and if the supposed generic character
be retained as sectional, it would belong to Vargasia, but as in G. parviflora the
breadth of the scales of the pappus is variable. Both sections are remarkable
from each achznium of the ray being inclosed between the subtending scale of
the involucre, and the two palex of the receptacle next above it, which form a
kind of envelope, falling off with the achznium at its maturity.

468. Trax procumbens, Linn.—DC. Prod. v. 5. p. 679.—Gulf of Fonseca.
469, Caxza prunifolio, Humb. et Kunth.—DC. Prod. v. 5. p. 672.—Guayaquil.
470. Gnapuatium Iuteo-album, Linn.—DC. Prod. v. 6. p. 230.—Mexican coast.

471. Nevrotana lobata, Br.—DC. Prod. v. 6. p- 292.—Various places along the Columbian
coast.

472. Gynoxis Henkei, DC. Prod. v. 6. p. 326.—Panama to Guayaquil.

This plant varies much in pubescence and in the number of flower-heads, some
branches of the same specimen being, as well as the leaves, quite smooth, whilst
others are more or less downy. The flower-heads are arranged from two to six or
eight in axillary or terminal corymbs, they are always much larger than those of:
G. cordifolia, and the teeth of the leaves are much smaller. It is probable that
G. Berlandieri is a mere form of the same species.

47 3. Gynoxis Sinclairi, sp. n., suffruticosa, scandens, foliis alternis breviter petiolatis lato-
ovatis acutis dentatis basi subcordatis, supra scabrellis, subtus cauleque pubescenti-hirtis, capitulis

8-6 multifloris, Mnyolucri squamis interioribus circa 20 discum equantibus, exterioribus plurimis
filiformibus.—Columbia.

Rami angulato-striati pube rufescente demum fere evanida. Folia ramorum primarium 2-3 poll. longa,
2 poll. lata, seepius grosse dentata, basi auriculis latis rotundatis cordata, supra subbullata, subtus reticulata,
pube rufescente ; ramulorum floralium minora, angustiora, denticulata, basi-rotundata. Corymbi axillares vel

WESTERN TROPICAL AMERICA. 121

terminales, laxe 3-6-cephali. Pedunculi 1-1}-pollicares, bracteolis setaceis onusti. Involucra 4 lin, longa,
squamis linearibus acuminatissimis dorso scabro-puberulis, exterioribus seepius numerosis setaceis, Ligule circa

15, vix 3 lin. longe. Styli rami appendice acutissima superati. Achenia compressiuscula, preesertim ad
margines puberulo-hirta, apice in discum expansa.

474, Gynoxys scabra, sp. n., scandens, foliis alternis petiolatis late ovatis acuminatis sub-
dentatis basi cordatis utrinque cauleque scabro-hirtis, capitulis numerosis multifloris in paniculas
axillares ovatas confertis, involucri campanulati squamis circa 15, accessoriis perpaucis. —
Guayaquil.

Rami tenuiter striati. Folia 2-3 poll. longa, 13-2 poll. lata, subbuilata, utrinque presertim in pagina
inferiore scabra, margine irregulariter plus minus denticulata. Panicule dense vix folio longiores. Capitula
magnitudine G, cordifoliw vel paullo minora, pedicellis brevissimis. Involucri squame 3 lin, longe, dorso
scabree, apice uncinato-acuminatze, disco paullo breviores. Ligulee 12-15, 3 lin. longee. Styli rami appendice
acutissima superati. Ovaria glabriuscula, apice in discum expansa. Acheenia non vidi.

475. Cacauta cirsiifolia, Hook. et Arn. Bot. Beech. p.436. (sp.n.)—Acheenia angulata, pubes-
centia.—Tepic.

476. Cirsium cernuum, Lag. ?—DC. Prod. v. 6. p. 639.—Hook. et Arn. Bot. Beech. p. 437.—
The external scales are ciliate with prickles, not entire as they are described by De Candolle, and
as they really appear to be in Vera Cruz specimens. It was upon this ground chiefly that I
formerly considered the present plant as a distinct species which I described as C. heterolepis,
(Pl. Hartw. p. 87); but I doubt much whether it be not a mere variety of C. cernuum.—Tepic.

477. Lycosrris (Diazeuxis) latifolia, (Diazeuxis latifolia, Don.—DC. Prod. v. 7. p. 22.—
Less. Syn. Comp. p. 97) ramis striatis arachnoideo-lanatis mox glabratis, foliis late lanceolatis
triplinervibus supra glabris subtus niveo-lanatis, involucris glabris vel vix arachnoideo-lanatis, squamis
appressis vel exterioribus vix patentibus acutis, pappi setis 20-30.—Realejo, Isle of Taboga, Bay
of Panama; gathered also by Cuming, near Panama (n. 1161).

The plants retained by De Candolle and Lessing in Lycoseris, are now ascer-
tained to be usually, if not always, dicecious ; there remains therefore no character
to distinguish Diazeuxis but the venation of the leaves, the habit being the same
in both, and they should therefore only be considered as sections. The flower-
heads in this the most common species are considerably larger than in the two
following. |

478. Lycosrris (Diazeuxis) bracteata, sp. n., ramis striatis arachnoideo-lanatis mox glabratis,
foliis lato-lanceolatis tri-quintuplinervibus supra glabris subtus niveo-tomentosis, involucris lanatis,
squamis appressis lanceolatis longe acuminatis, pappo 10-15-seto.— Guayaquil.

Habitus et folia Z. latifoliw. Capitula (mascula) minora, radio incluso pollicem diametro, bractea foliacea
sepissime suffulta. Involucri squame: angustiores, longius acuminate, exteriores radium brevem subeequantes.
Corolle L. latifolia. Pappi paleze setiformes, parum ineequales, majores leviter complanate, oomind serrulato-
hirte, apice acute non penicillate. Capitula foeminea non visa.

479. Lycoseris (Diazeuxis) sguarrosa, sp. 0., ramis striatis subnudis, foliis’ lato-lanceolatis,
3-5-plinervibus supra glabris subtus tenuiter albo-lanatis viridibusque, involucris glabris squamis

se §

122 BOTANY OF THE VOYAGE OF THE SULPHUR.

lanceolatis exterioribus reflexo-patentibus, pappo multipaleaceo. — Nicoya, Gulf of Fonseca,
Panama. :

Folia quam in L. latifolia tenuiora, minus lanata, longius acuminata, pariter integerrima vel denticulis
distantibus notata. Capitula speciosa, late campanulata, mascula absque radio pollicem diametro, ligulis
numerosis fere 5 lin. longis.- Involucrum viride squamis fere omnibus apice patentibus vel reflexis, Flores
ceterum L. Jatifoliw. Ligule minute 2-3-dentate. Pappi palez setiformes, parum inaquales, majores
subcomplanatz, apice omnes acutiuscule nec penicillate. Capitula foeminea non visa.

480. Acourtta formosa, Don.—DC. Prod. v. 7. p. 66.—Hook. et Arn. Bot. Beech. p. 487.—
Trizis latifolia, Hook. et Arn. 1. c. p. 300.—Acapulco.

481. Acourti®, sp.?—Cacalia sessilifolia, Hook. et Arn. Bot. Beech. p. 436.—The anthers
have certainly short tails, and the lobes of the corolla are revolute and apparently bilabiate. The
habit combined with these characters show that the plant is allied to Acourtia or Trizis, but the
flowers are so much injured by insects that I am unable to ascertain the genus with accuracy.—

Tepic.
482. Trrxis frutescens, Br—DC. Prod. v. 7. p. 68.—Tepic, Gulf of Fonseca.
483, Trrxis obvallata, Hook. et Arn. Bot. Beech. p. 300. t. 65.— Acapulco.

484, Prcrosta longifolia, Don.—DC, Prod. v. 7. p. 251.—Pappus sordidus. — Peyta in
Columbia, Guayaquil.

LOBELIACER.

485. Cenrropocon Surinamensis, Presl—A. DC. Prod. v. 7. p. 345.—Columbia.
486. Loseria laxiflora, Humb. et Kunth.—A. DC. Prod. v. 7. p- 383.—Realejo.

To this belong L. lanceolata and L. angulato-dentata, Hook. et Arn. Bot.
Beech. p. 301. L. ovalifolia, Hook. et Arn. 1. c. p- 300, is intermediate between
the above forms (all broad leaved), and L. rigidula, Humb. et Kunth, which in the
Prodromus has been considered (and probably with good reason) to belong to the
same species, although with some hesitation, as it is given both as a synonym to
L. laxiflora, and as a substantive species. The narrow-leaved variety, which is
the Siphocampylus bicolor of our gardens, is in this respect constant, but still
probably a mere variety of a very variable plant.

ERICACEs.

__ 487. Gavuruerta odorata, Humb. et Kunth., 8. mexicana, DC. Prod. v. 7+ p- 595>—

WESTERN TROPICAL AMERICA. 123

MyrsINace&.

488. Mynsine erythroxyloides, sp. n., foliis petiolatis oblongo-ellipticis integerrimis obtusis basi
cuneatis coriaceis glabris margine subrecurvis, paniculis 6-12-floris, pedicellis flore multo longioribus,
ealycis laciniis subciliatis, corolla lobis valvatis calyce dimidio longioribus.— Huamantango.

Ramuli juniores angulati, demum teretes. Folia 2-3 poll. longa, 12-15 lin. lata, supra venulis crebris
tenuiter percursa, subtus in sicco rufescentia sed glabra, punctis minutis nigris obscuris paucis non pellucidis ;
petioli 4-5 lin. longi. _ Fasciculi florum ad apicem stipitis crassi bracteis ovatis imbricatis obtecti subumbellati.
Pedicelli 2-3 lin. longi; flores vix lineam longi. Calycis lobi acutiusculi, glanduloso-maculati. Corolla profunde
5-fida, laciniis oblongis crassiusculis. Stamina corolla breviora; filamenta complanata ; anthere filamento
paullo longiores, oblonge. Stylus brevis, pulviniformis, apice breviter sublobatus (fere undique stigmatosus ?).
Ovula 3 vel 4.

489. Arpista cuspidata, sp. n., foliis obovato-oblongis abrupte acuminatis integerrimis basi
angustatis utrinque glabris, panicula terminali pyramidata glabra, pedicellis fructu longioribus,
calycis laciniis ovatis.—Cocos Island.

Specimina fructifera omnino glabra excepta pube tenuissima parca rufescente ad apices ramulorum inque
gemma terminali. Petioli 2-3-lineares. Folia circa 3 poll. longa, 1-1} poll. lata, acumine 3-6 lin. longo obtuso
vel acutiusculo terminata, margine interdum obscure undulata, subtus punctis parvis nigris non pellucidis con-
spersa. Panicula bipollicaris, supra folium supremum fere sessilis, glaberrim ; aramuli divaricati apice breviter
racemiferi, Pedicelli 2 lin. longi. Calycis segmenta 5, obtusiuscula, glanduloso-maculata. Bacca parva (vix
13 lin. diametro) globosa, undique in sicco corrugata, glandulosa. Stylus subulatus, acutus.

490. Jacqurnta armillaris, Jacq.—A. DC. Prod. v. 8. p. 149.—Nicoya.
491. Jacqurnta pubescens, Kunth.—A. DC. Prod. v. 8. p. 150.—Guayaquil.
492. Jacqurinta macrocarpa, Cav.—A. DC. Prod. v. 8. p. 150.—Acapulco.

SaPpoTacE®.

493, Curysopnytium Caimito, Linn.—A. DC. Prod. v. 8. p. 157.—Isle of Taboga, Bay of 2

Panama.

OLEACER.*

494, Lrnocrera compacta, Br.—DC. Prod. v. 8. p. 296.—Isle of Gorgona.

eae ci.

* There are two Jasminacew in the collection, Jasminum Sambac and J, grandifiorum, but evidently both
of them cultivated.

124 BOTANY OF THE VOYAGE OF THE SULPHUR.

APOCYNACEX.

495. Turverta neriifolia, Juss —A. DC. Prod. v. 8. p. 343.— Acapulco; Isle of Taboga, Bay
of Panama.

496. Tuevetia plumeriefolia, sp. n., (Plate XLIII.) glaberrima, foliis obovali-vel cuneato-
oblongis brevissime acuminatis basi angustatis, venis transversalibus coste perpendicularibus
prominulis, cymis folio brevioribus paucifloris, bracteis sepalisque ovatis acutis tubo corolle plus
duplo brevioribus.—Gulf of Fonseca.

Ramuli crassiusculi, teretes, uti tota planta glaberrimi, cicatricibus foliorum delapsorum parvis basi notati.

Folia alterna vel sparsa, vix semipedalia, sesquipollicem lata, apice rotundata cum acumine brevissimo vel

_ obsoleto, basi longiuscule angustata in petiolum tenuem 6-8 lin. longum, supra nitidula, subtus pallida; costa
media subtus valde prominens, vene primariee numerose, parallele, apice in nervum subinarginalem conniventes.
Gemmule in axillis parvee, squameeformes, ciliato-lacere. Ramuli floriferi (in speciminibus) apice bifurcati,
cyma in bifureatione dichotoma, 5-6-flora, pedunculo communi angulato 6 lin. longo, pedicellis 6-18 lin, longis.
Bracteze crassiusculee ad ramificationes et sub pedicellis 2-3 lin. longee, undulate. Calyx 5-partitus, segmentis

_ovatis 4-5 lin. longis undulatis verruculosis at glabris, basi intus multiglandulosis. Corollee tubus fere pollicaris,
medio parum attenuatus, apice leviter campanulato-dilatatus, limbi lobi ampli, zstivatione sinistrorsum contorti,
tubo longiores, extus intusque uti tubus glaberrimi. Squamee ad faucem parvee, villosissimee. Filamenta supra
medium tubi inserta, brevia, complanata, pilis rigidulis hyalinis reflexo-patentibus densissime hispida. Antheree
lanceolate, connectivo acuto acuminate, loculis basi obtusis. Nectarium ovario longius, crassum, obtusum,
apice obtuse 5-lobum, lobis cum calycis segmentis alternantibus. Ovarium bilobum, lobis singulis unilocu-
laribus, ovulis in loculo binis superpositis. Stylus apice in discum annulatum dilatatus, sub disco lobis 5 parvis
lanceolatis acutis erectis auctus, stigmate in medio disco conico bilobo.

Pirate XLII. Fig. 1, Calyx with the calycine glands and nectary ; Fig. 2,* portion of the
corolla, cut open, showing the stamens ; Fig. 3, stamen, front view; Fig. 4, stamen and scale, side
view; Fig. 5, section of the ovary; Fig. 6, style; all more or less magnified.

_ 497. Vauuesta dichotoma, Ruiz. et Pav.—A. DC. Prod. v. 8. p- 349.—Punta Santa Elena in
Columbia. .
The Californian plant referred to above, p- 33, as the V. dichotoma, is the
V. glabra, Cav., but, as well as the V. chiococcoides, appears to me to be buta
variety of V. dichotoma, which I have also from South Brazil, and often assumes
— South America the form described by Cavanilles. The radicle is certainly
inferior, as described by Kunth. ey

288. STEMMADENIA glabra, gen. noy., (Plate XLIV.) glaberrima, foliis subsessilibus obovatis
breviter acuminatis basi obtusis, corolla tubo calyce paullo longiore.—Gulf of Fonseca.

Cuan, Gen. Calyx 5-partitus, segmentis valde imbricatis, interioribus obovatis, exterioribus
: ovatis brevioribus bracteis 2 consimilibus minoribus suffultis. Glandule numerosissime, intra
aly — verticillate. Corolla ampla, infundibuliformi-campanulata, laciniis sinistrorsum contortiss
faux plicis 5 longitudinalibus aucta. Stamina tubo inserta; filamenta brevia, crassiuscula ; anther@

es The corolla was, by mistake, omitted .
eee: , to be reversed on the stone, and appears in the plate twisted from left
to right, instead of from right to left. é = c :

WESTERN TROPICAL AMERICA. 125

sagittatee, acute, circa stigma arcte conniventes, Nectarium breve crassiusculum (5-lobum ?).
Ovaria 2, distincta. Placenta in quoque loculo due, suture: utringue affix. Ovula numerossima,
amphitropa. Stylus apice appendice umbraculiformi reflexo lobato coronatus, stigmate pulvinato
breviter bilobo. Frutices vel arbores, ramulis apice bifurcatis vel dichotomis. Folia opposita.
Racemi breves, pauciflori, in bifurcatione ramulorum vel in axillis superioribus solitarii, Corolle
magne, speciose, albz vel flave. Genus Odontadenic affine.

S. glabra. Rami juniores compressi, mox teretes, apice bifurcati. Folia 5-6 poll. longa, 24-3 poll. lata,
acumine brevi acutiusculo terminata, basi obtusa, membranacea, utrinque viridia, subtus pallidiora, costa media
venisque primariis utrinsecus 12-16 subtus prominulis, eglandulosa, petiolis 2-4 lin. longis margine angusta sub-
connexis. Racemi in bifurcatione ramorum foliis breviores 3-5-flori. Pedicelli inferiores 4-6 lin. longi,
superiores brevissimi, singuli bractea minuta squameeformi subtensi. Bractew 2 et sepala 5 gradatim accrescentia
a bractea exteriore subfoliacea appressa vix 3 lin. longa, in sepala interiora 2 vel 3 subeequalia, valde imbricata,
fere pollicaria, apice obtusa truncata membranacea. Corollw sub-3-pollicares, extra calycem in faucem ample
campanulatam dilatata, lobis latis rotundatis. Glandule calycis ultra 100, breves, lineares in verticillum densum
circa corollam dispositee. Nectarium breve, annulare, uti in speciebus sequentibus lobatum videtur, lobis brevibus
latis (3 vel 52). Ovaria a basi distincta.

Plate XLIV. fig. 1, corolla cut open; fig. 2, anther; fig. 3, pistil; fig. 4, ovary, vertical sec-
tion ; fig. 5, ovary, transverse section.

499. STEMMADENIA pubescens, sp. n., foliis brevissime petiolatis obovatis breviter acuminatis
supra glabris subtus ad venas pubescenti-hirtis, corolle tubo calyce paullo longiore.—Bignonia?
obovata, Hook. et Arn. Bot. Beech. p. 439.*—Realejo.

Vix differt a S. glabra nisi pube in pagina inferiore preesertim ad venas copiosa e pilis brevibus simplicibus
erectis composita, Folia etiam subpetiolata et corolle paullo minores videntur.

600. StemMapEntA mollis, sp. n., foliis brevissime petiolatis obovato-oblongis basi angustatis
supra puberulis subtus inflorescentiaque molliter tomentoso-pubescentibus, corolla tubo longiuscule
exserto.— Guayaquil,

Rami teretes, dichotomi, ramulis junioribus angulatis pubescentibus. Folia 4-5 poll. tongs; 14-3 poll, lata.
Racemi foliis subbreviores, oppositi. Calyx S. obovate, sed segmenta oxterioes et bractes — gree Ha
Corolla tripollicaris vel longior, tubo quam in precedentibus longiore et minus abrupte ampliato. ee,
nectarium et ovarium omnino S. glabre.

The size and form of the flowers in the above three species are those of a
Cerbera or a Thevetia, from both of which, however, they widely differ in the
calycine glands, and from the latter in the ovary ; in many points also there is a
considerable degree of affinity with Odontadenia, but that genus reve. has not the
remarkable calyx and glands of Stemmadenia. A fourth species of the genus
allied to §. mollis, with the same structure and pubescence, but longer petioles,
and some other points of difference, has been gathered by Galeotti (n. 1632), ig

| ee icatum, had been by mistake
* A portion of the seed vessel and seeds of a Pithecoctenum, probably P. muricatum, had y

: : i he authors of the
laid by Dr. Sinclair into the same sheet with the specimens of this plant, and had misled the |

Botany of Captain Beechey’s voyage and induced them to refer the plant doubtfully to —
K K

126 BOTANY OF THE VOYAGE OF THE SULPHUR.

Linden (n. 385), near Vera Cruz, and is said to have yellow flowers. Linden’s
n. 330 from Teapa in South Mexico with white flowers appears to be a sixth
species quite smooth with a very long tube to the corolla, but I have not had an

opportunity of examining its structure.
501. Puumerta rubra, Linn.—A. DC. Prod. v. 8. p. 390.—Guayaquil.
502. Vinca rosea, Linn.—A. DC. Prod. v. 8. p. 382.—Realejo.

503. Hamapictyon tomentellum, sp. n., foliis ovato-oblongis brevissime acuminatis basi cordatis
supra glabris vel minute hirtellis subtus brevissime et molliter glaucescenti-tomentosis, lobis calycinis
lanceolatis acuminatis vix basi hirtellis corolla tubo 2-3-plo brevioribus, corollz fauce annulari, ap-
pendicibus tubi antherisque vix exsertis—Guayaquil, gathered also by Hartweg, n. 670,

Rami volubiles, angulati, glabri vel brevissime glauco-tomentelli. Folia breviter petiolata, 2-3-pollicaria,
supra pilis brevissimis sparsis scabrella, subtus tomento molli et denso etsi brevissimo obtecta, penninervia, venis
lateralibus parum conspicuis. Racemi axillares, folio breviores. Pedunculi vix petiolo longiores, angulati,
minute hirtelli. Flores conferti, pedicellis calyce brevioribus. Calyces 5-6 lin. longi, laciniis ineequalibus
acuminatis, basi interne glandula brevi lata auctis. Corolle tubus pollicaris, superne constrictior, limbi lacinie
ample patentes ; corona faucis callosa, latiuscula; appendices lineari-lanceolate, acute, extra faucem brevissime
prominule. Stamina medio tubo inserta; filamenta, filiformia; anthers connate, sagittate, basi biaristate,
apice aristato-acuminatz, extra faucem brevissime prominule. Nectarii squame crasse, late, ovate, ovario
ipso paullo breviores, liberee sed arcte approximate. Stylus filiformis, sub stigmate membrana lobata reflexa
indusiatus; stigma obtusum. Frolliculi 4-6 poll. longi, conniventes, triquetri, coriacei, extus tomentelli.
Semina oblonga, triquetra, apice in collum brevem attenuata, coma longa copiosa, Albumen parcum, Embryo
linearis, cotyledonibus oblongis radicula longioribus.

This agrees very nearly with Kunth’s description of his Prestonia glabrata
(Hemadictyon glabratum, A. DC. Prod. y. 8. p. 427) gathered by Humboldt in
the same locality, but the leaves are constantly clothed underneath with a close
soft down, so that even if it prove to be a mere variety, it cannot well retain the
specific name of glabratum,

504. Ecurtes biflora, Jacq.—A. DC. Prod. v. 8. p. 450.—Var. calycis segmentis fere 6 lin.
longis.—Salt marshes, Mundiche, Columbia. :

506. Ecutres trifida, Jacq—A. DC. Prod. v. 8. p- 454.—Calycis lobi potius ovati quam
oblongi, czetera conveniunt.—Tiger Island, Gulf of Fonseca.

506, Ecurrss trifida, var. ? major, caule sub nodiis tenuiter tomentellis.—Central America.

ae adest — quam in preecedente paullo major. Glandule calycis irregulares, Folliculi ultrapedales
vix torulosi. Semina anguste fusiformia, coma rufa.

507. Ecurres hirtiflora, A. DC. Prod. yv. 8. p- 456.—Columbia; gathered also by Hartweg
near Guayaquil, n. 669.

Folia. breviter petiolate basi profunde auriculato-cordata, juniora supra villosa, Corolle pilis paucis
— villoste, uti descripte sunt in Z. microcalyce. Czetera omnia conveniunt.

WESTERN TROPICAL AMERICA. 127

ASCLEPIADACER.

508. SarcostemMA cumanense, Humb. et Kunth.—Desne, in DC. Prod. v. 8. p- 539.—
Columbia.

509. Sarcostemma bilobum, Hook. et Arn. Bot. Beech. p- 438.—This is not taken up by
Decaisne, but comes very near to his S. cynanchoides (in DC. Prod. vy. 8. p. 540), if it be not the
same.— Acapulco.

510. Ascuxpras curassavica, Linn,—Desne. in DC. Prod. v. 8. p- 566.—A. incarnata, Hook. et
Arn. Bot. Beech. p. 438. non Linn.—Mexico to Guayaquil.

511. Ascuepras longicornu, Benth.—Desne. in DC. Prod. v. 8. p- 570.—Realejo.

512. BuePHaRopon mucronatum, Desne. in DC. Prod. v. 8. p. 603.—Guayaquil.—I can find
no difference between these specimens and those from Vera Cruz gathered by Galeotti and Linden
and described by Decaisne,

GENTIANACER.

513, GYRANDRA speciosa, sp. n., (Plate XLYV.), caule diffuso vel adscendente ramosissimo
acute tetragono, calycis profunde 5-fidi laciniis tubum corolla aquantibus superantibusve, corolle
lobis acutiusculis, antheris filamento gracili sublongioribus.—Zrythrea macrantha, (3 major, Hook,
et Arn. Bot. Beech. p. 438.—Tepic.

Planta glaberrima, ut videtur perennis, semipedalis usque ad sesquipedalis, habitu Chironse. Rami
alterni, graciles, angulis fere alatis, apice laxe et dichotome 1-5-flori. Folia 4-8 lin. longa, raro ensssan _
acutissima, margine scabriuscula, basi non angustata, superiora parvasetacea. Internodia — —
superiora fere pollicaria. Pedicelli ultimi 6-10 longi. Calyx 3 lin. longus, lacintis — angustis —
vix ad quartam partem connatis. Corolle (roses ?) primum florentis tubus laciniis = multo ee in
corolla emarcida persistente elongatur et lacinias calycinas tandem equat vel superat, sigitacs rotatus, ee aaa
lobis ovato-lanceolatis acutiusculis fere 7 lin, longis, 24-3 lin. latis. Anthere Intew, loculis absque connectivo

connatis, demum gyris 4-5 torte. Stylus stamina superans ; stigma late bilamellatum.

I have had some doubts whether this beautiful plant might not be either
identical with, or a slight variety of, the G. chironioides described by Grisebach,
(DC. Prod. v. 9, p. 44), but that accurate botanist states expressly that the stem
is nearly terete, and the anthers shorter than the filaments. The calyx of rs
plant is usually not divided to the base, and the lobes of the corolla more eae
than described by Grisebach. The variety a latifolia of Hooker ane =a
Erythrea macrantha is a different plant. In the flower I examined the a a
were much injured, but they were evidently much shorter and Jess twisted, os
appeared to have the cells less closely combined. At the same time the very sho

128 BOTANY OF THE VOYAGE OF THE SULPHUR.

tube and large limb of the corolla give the flower much more resemblance to that
of a Gyrandra than of an Erythrea.

Plate XLV. fig.1, calyx; fig. 2, portion of the corolla cut open; fig. 3, anther from an unex-
panded flower; fig. 4, anther from a fading flower; fig. 5, pistil; fig. 6, summit of the style; fig. 7,
ovary, longitudinal section; fig. 8, ovary, transverse section; all magnified.

514. Evstoma ezaltatum, Griseb. in DC. Prod. v. 9. p. 51.—Island off the coast of Veragua.

515. Eryrurma setacea, sp. n., caule erecto gracillimo ramoso paucifloro, foliis radicalibus
minimis obovatis caulinis remotis lineari-setaceis, floribus longe pedicellatis, corollz tubo calyce
subbreviore lobis elliptico-oblongis obtusis, stylo apice brevissime bifido lobis cuneatis crasse stig-
matosis, capsula uniloculari.— Acapulco.

Herba annua, 2-6-pollicaris, ramis filiformibus 4-angulatis, oppositis vel dichotomis. Folia radicalia
rosulata, vix 2 lin, longa, caulina remota, angustissima, 3-6 lin. longa, Pedicelli ultimi‘pollicares. Calyx 5-
partitus, rarius 4-partitus, segmentis carinatis, basi anguste lanceolatis, apice setaceis. Corolle tubus 2 lin.
longus, lacinize limbi tubo equilongee. Stamina infra faucem inserta, e tubo exserta; anthere oblong, demum
torte, filamento breviores, loculis distinctis, connectivo tenuissimo vix distincto. Styli lobi recurvi obtusi fere a
basi stigmatosi. Capsula calycem subeequans, oblonga, valvularam marginibus placentiferis vix introflexis.
Semina numerosa, minuta.

516. Courousea densiflora, Mart.—Griseb. in DC, Prod. v. 9. p. 66.—Isle of Taboga, Bay of
Panama.

517. Haventa multiflora, Benth.—Griseb. in DC. Prod. v. 9. p. 130.—Tepic.

518. Limnantuemum Humboldtianum 8 parviflorum, Griseb. in DC. Prod. v. 9. p. 140.—
Columbia.

BIGNONIACER.

519. BieNonta patellifera, Schlecht.—DC. Prod. v. 9. p. 149.—Var. fere glabra, cxterum
speciminibus prope Veracruz lectis simillima.— Conchagua.

= 520. BicNonta sarmentosa, Bertol. ?—DC.? Prod. v. 9. p- 155.—Foliola quam in B. equinoc-
ps: majora, latiora, subtus ad axillas venarum seepe foveolata: flores breviores.—Realejo to
Guayaquil.—Ejusdem var. hirtella, foliorum venis subtus ciliato-hirtis.— Realejo.

521. Bienonta alliacea, Lam.?—DC.? Prod. v. 9. p. 148.—Atacames, Isle of Gorgona,
Guayaquil.

wi age Caribeeis simillima ramis exceptis qui subteretes nec tetragoni. Folia et flores omnino eadem.
Capsula (vix matura) pedalis, 7 lin, lata, plana, valvulis septo parallelis medio nervo longitudinali prominente

percursis. Semina superiora inferioribus incumbentia, Tota planta (et in sicco capsula et semina insigniter)
allium redolet,

: oa2. Brenonta longiflor a, Cav.—DC. Prod. v. 9. p. 159.—Very common about Guayaquil.
t varies considerably in the shape of the leaflets. The corolla, when fully developed, is often three

WESTERN TROPICAL AMERICA. 129

inches long. The pod is six to eight inches long, about five lines broad, with the seeds in single
rows.

523. Bienonta Sinclairi, sp. n., scandens, glabra, vel superne tenuissime pulveraceo-tomentosa,
foliis conjugatis, foliolis ellipticis vix acuminatis basi rotundato-cuneatis penninervibus crebre
reticulato-venosis subcoriaceis, petiolo petiolulis equilongo, panicula terminali laxa pyramidata,

calyce subcoriaceo truncato demum repando, corolla extus tomentosa.—Panama, gathered also by
Cuming, n. 1179.

Rami teretes, glabri vel juniores pube minutissima pulveracea nonnisi sub lente conspicua conspersi. Petioli
et petioluli 6-12 lin. longi, auriculis foliolisve ad basin nullis; cirrhi elongati simplices vel seepius nulli, Foliola
8-6 poll. longa, 13-3 poll. lata, subcoriacea, venis primariis secus costam mediam utrinque 5-6, subtus minute
lepidoto-punctata vel glabra, Panicula semipedalis vel longior, ramis oppositis laxe dichotomis. Bractew
minutissimse vel nulle. Calyx cupuliformis, coriaceus, extus pulveraceus, margine sepius irregulariter et
obtusissime 5-crenatus vel sublobatus, rarius integerrimus. Corolla extus tomento brevi sublepidoto vestita ;
tubus pollicaris vel paullo longior, superne parum ampliatus, ima basi (infra staminum insertionem) extus glaber,
intus ad originem staminum pubescens; limbi lobi lati, rotundati, non ciliati. Stamina inclusa, didynama, cum
rudimento quinti. Antherarum loculi lineares, divergentes. Discus hypogynus crassus, pulviniformis.
Ovarium oblongum, tomentosum. Stylus apice spathulato-dilatatus, bilamellatus, lamellis intus stigmatosis.
Ovula in utroque latere cujusve placents: uniserialia. Species valde affinis B. rupestri Gardn. et preesertim B.
elongate, Vahl. Calyx quam in hac brevior, foliola angustiora.

524 to 526. Bianonza, three species, two from Guayaquil, and one from Manzanilla Bay, all
apparently new, but the specimens insufficient for accurate description.

527. AmpHILopHium paniculatum, Humb. et Kunth.—DC. Prod. v. 9. p. 193.—Gulf of
Fonseca.

528. PrruecocteNnIum panamense, sp. n., ramis glabris, foliis digitatis, foliolis 4-5 petiolulatis
ovali-vel oblongo-ellipticis acuminatis subtus minute nigro-punctatis et tenuissime lepidotis glabra-
tisve, racemis folio brevioribus, calycibus truncatis.—Panama, gathered also by Cuming, n. 1110.

Rami albidi, striati, ad nodos leviter compressi, ceeterum subteretes. Folia opposita, petiolo communi
2-3-pollicari, versus apicem sepius minute canescenti-tomentello ; petioluli 6-10 lin. longi. —Foliola st
majora 3-5 poll. longa, 13-2 poll. lata, acumine longo obtuso, basi rotundata vel cuneata, utrinque — et
oculo nudo glabra, sub lente tamen pubes minuta sparsa sublepidota seepe apparet in pagina inferiore qua: etiam
punctis nigris sparsis crebris conspersa. Racemi 2-3-pollicares, axillares, more generis canescentes. Bractew
minutissime, subnulle. Calyx late campanulatus, canescens, crassiusculus, ore truncato membranaceo =
minute 5-dentato. Corolla sesquipollicaris vel paullo longior, glabra, tubo so smpliato basi pec
tracto et ad originem faucis intus pubescente, limbi lobis latis integris. Stamina — faucis inserta,
didynama, corolla breviora, cum rudimento quinti; anthere glabree, loculis aeoge Discus hyp
crassus. Ovarium ovato-oblongum, minute et densissime muriculatum. Stylus apice spathulato-dilatatus,
bilamellatus, lamellis intus stigmatosis. :

529. Piruecocrenrum muricatum, DC. Prod. v. 9. p. 194.—Realejo.—There are only loose
pods in the collection, but they appear to be those of this species. oo
530. Tasesuta cordata, sp. n., scandens, ramulis compressiusculis puberalis, foliis mcuyagato-
bifoliolatis plerisque cirrhiferis, foliolis ovatis acuminatis basi cordatis subcoriaceis glabris, racemis
axillaribus laxis.—Isthmus of Darien.
LL

130 BOTANY OF THE VOYAGE OF THE SULPHUR.

Ramuli levissime striati, nequaquam angulati, pube brevissima sparsa subglandulosa. _Petioli communes
2-3-pollicares, minute puberuli, plerique cirrho elongato simplici vel apice trifido terminati ; petioluli 1-1}-polli-
cares. Foliola 3-4 poll. longa, circa 2 poll. lata, crassiuscule membranacea vel subcoriacea, venis subtus promi-
nentibus reticulatis. Racemi in specimine folio breviores, 6-12-flori, rhachi flexuosa subglabra, bracteis minutis.
Pedicelli 3-4 lin. longi, flexuoso-reflexi vel divaricati. Calyx 5 lin. longus, tubuloso-campanulatus, versus basin
leviter canescens, apice submembranaceus, irregulariter fissus in labia duo quorum alterum latum obtusum,
alterum bifidum lobis latis obtusis. Corolla sesquipollicaris, glabra, tubo basi tenui, mox in faucem campanu-
latam ampliato, lobis 5 latis rotundatis. Stamina ad basin faucis inserta, corolla breviora, didynama absque
rudimento quinti; antherarum loculi divaricati glabri. Discus hypogynus pulviniformis, latus. Ovarium
oblongum glaberrimum. Stylus apice spathulato-dilatatus, bilamellatus, lamellis acutis intus stigmatosis.

The specimens from Surinam, n. 334 of Hostmann’s collection, appear to
belong to the same species, although the leaves are less cordate.

531. Tasesura rosea, DC.? Prod. v. 9. p. 215.—Rami crassi et inflorescentia ZT’. fluviatilis ;
foliola multo majora, crasso-coriacea, subtus lepidoto-punctata, glaucescentia. Corolle amplee,
similis iis Tecome speciose, que verosimiliter cum pluribus Tecomis digitatifoliis, congener est

Tabebuie fluviatilis —Nicoya.
532. Tecoma Gaudichaudi, DC. Prod. v. 9. p. 223.—Guayaquil.
533. Tecoma stans, Juss.—DC. Prod. v. 9. p. 224.—Acapulco, Panama.

534, Crescentia cuneifolia, Gardn.—DC. Prod. v. 9. p. 246.—Columbia, probably cultivated.
The specimens agree in every respect with those described by Gardner, from Brazil, where also it
is cultivated only.

535. CrEescENTIA obovata, sp. n., (Plate XLVI.) glabra, foliis alternis obovatis coriaceis, calyce
tubuloso bifido superne extus impresse glandulifero, corolla limbo suberecto crenato vix lobato.—

Isle of Gorgona, and island off the coast of Veragua.

. Frutex elata. Rami crassiusculi, teretes vel primum obtuse angulati, cortice albido, ad basin innovationum
squamulis numerosis brevibus acutis persistentibus instructi. Folia semipedalia, 3-4 poll. lata, brevissime
acuminata, basi cuneata, subsessilia vel brevissime petiolata, crasso-coriacea, nitidula, costa media venisque
primariis utrinsecus 10-12 subtus prominentibus. Pedicelli ad apices ramulorum 1-3 (vel plures ?), sesquipol-
licares, erecti. Flores nutantes. Calyx 1} poll. longus, tubulosus, supra medium dilatatus, ante anthesin
clavatus et clausus, per anthesin usque ad medium (vel rarius hine fere ad basin) in labia duo patentia fissus,
coriaceus, glaber sed supra medium presertim in labio inferiore glandulis numerosis impressis notatus eas Adeno-
calymne fere referentibus. Corolla 23-pollicaris, glabra, tubo elongato superne ampliato, limbo campanulato
rarius breviter Jobato, sed (in floribus suppetentibus) crenis numerosis excisa. Stamina corolla breviora,
didynama cum rudimento quinti. Antherarum loculi lineari-oblongi, divergentes. Discus hypogynus, crassus,
pulviniformis. Ovarium oblongum, obtusum, bisulcatum, uniloculare, placentis 2 tenuibus parietalibus multi-
ovulatis. Stylus apice clavatus, concavus, brevissime bilobus, intus stigmatosus.

This fine species differs somewhat from other Crescentie in the form both of
the calyx and corolla, but not sufficiently so to warrant the establishing it as a
distinct species, especially as the calyx appears to be sometimes divided nearly

to the base, as in other Crescentigz, and the stamens and ovary are precisely the
same.

WESTERN TROPICAL AMERICA. 131

Plate XLVI. fig. 1, portion of the corolla, cut open ; fig. 2, ovary and style; fig, 3, summit
of the style; fig. 4, ovary, transverse section.

GESNERIACER.

536. GesneriA spicata, Humb. et Kunth—DC. Prod. vy. 7. p. 531.—Nicoya.

537. GEsNERIA rhynchocarpa, sp. n., caule herbaceo elato tomentoso-hirsuto, foliis ternatim ver-
ticillatis oppositisve breviter petiolatis ovatis acuminatis basi ineequaliter rotundatis cuneatisve
supra hirsutis subtus tomentosis, pedicellis in quaque axilla subgeminis petiolo longioribus, calycis
lobis triangularibus acutis, corolla tubulosa parum ventricosa villosissima lobis brevissimis, capsule
rostro incurvo truncato,—Isthmus of Darien, Columbia.

Rami vel caules adsunt sesquipedales, fere a basi floriferi. Folia inferiora 3-4 poll. longa, 14-2 poll. lata,
crassiuscula, leviter crenata, penninervia, petiolo 3-4 lin. longo, superiora floralia gradatim decrescentia, summa
vix calyces superantia, Pedicelli in verticillo vulgo 6, 2 in quaque axilla, pedunculo communi subnullo, singuli
4-6 lin. longi, tomentoso-hirsuti.. Calyces campanulati, 3 lin. longi, lobis parte integra subbrevioribus.
Corolla 10-11 lin. longa, parum incurva, basi et apice paullulum contracta, lobis 5 brevissimis latis retusis
subpatentibus, 2 superioribus tamen paullo longioribus et altius connatis. Glandule perigyne 5 ovato-lanceo-
late, obtusee vel truncate. Stamina inclusa, glabra, antheris connatis; quinti rudimentum parvum. Ovarii
pars libera conica, recta, apice truncata, villosa. Stylus basi pubescens, apice bilamellatus, lobis intus stigmatosis.
Capsula calyce parum aucto semi-inclusa, parte libera valde incurva, valvulis medio placentiferis. Species affinis
G. tubijlore, Cav., sed in hac lacinie calycis angustee dicuntur et corolla longior.

538. GEsNERIA petiolaris, sp. n., caule herbaceo erecto tomentoso, foliis oppositis ternatimque
verticillatis, inferioribus longe petiolatis ovali-oblongis vix acuminatis basi cuneatis vel angustatis
crassis utrinque tomentosis, floralibus parvis, pedicellis numerosis in axillis fasciculatis, verticillis
remotis vel supremis approximatis racemosis subsecundis, calycis lobis triangularibus acutis, corolla
tubulosa villosa superne ampliata, limbi lobis ovatis patentibus, capsule rostro incurvo truncato.—
Island off the coast of Veragua.

Caules pedales vel paullo altiores, obtuse tetragoni, tomento brevi tenui seepe rubescentes. _—_ radicalia
petiolo suo breviora, caulina inferiora 3-4-pollicaria, apice acutiuscula vel vix obtusa, crenata, basi — et
plus minus angustata, supra viridia vix tomentosa, subtus densius tomentosa seepe rubentia, petiolo 1-2 =
longo; floralia in pare vel verticillo infimo subconformia, cetera multo minora, summa benotenatornsia,
Pedicelli in axillis foliorum floralium nunc 1-2 nunc 6-10, ineequales, longiores semipollicares. Calyx 2 lis
longus vel fructifer paullo major, laciniis latis acutis tubo suo sequilongis. estes at te lin. longa, basi
constricta, supra medium ventricosa, ad faucem parum contracta, lobis linea paullo longioribus. —s
corolla breviora, cum rudimento quinti. Glandule et stylus G. rhynchocarpe ; capsula pariter ——
brevius incurvo-rostrata. a 3 Ss

539. GESNERIA incurva, sp. n., herbacea, erecta, hirsuta, foliis Petiolatis subfalcato-o | Ob-
longisve acuminatis crenatis basi valde inaequaliter angustatis supra hirsutis subtus —
pedicellis 1-3-nis folio florali parum brevioribus, calycis lobis lanceolatis acutis, corolla 192 @ se"
incurva vix ampliata ore 5-crenato, capsule rostro vix calyce longiore wetegsh Ancuryo.—Aisle 0:

Gorgona,

132 BOTANY OF THE VOYAGE OF THE SULPHUR.

Herba vix pedalis videtur, undique dense hirsuta. Folia inferiora 2-4 poll. longa, crassa, crenata, supra
dense hispida, subtus molliter tomentosa et ad venas hispida, floralia decrescentia, omnia petiolata, petiolis
inferioribus 6-10 lin. longis. Pedicelli pollicares. Calyces per anthesin 3 lin. longi, lobis tubo suo paullo
brevioribus ; fructiferi aucti, basi acuti. Corolla pollicaris vel paullo longior, coccinea, hirsuta, margine breviter
et late 5-crenata. Stamina, glandule et stylus preecedentium. Capsula fere 6 lin. longa, pars exserta fere recta,
parte adhzrente brevior.

540. Grsneria Deppeana, Cham. et Schl—DC. Prod. v. 7. p. 528.—Tepic.
541. Diastema racemifera, gen. nov.—Salango.

Cuar. Gen. Calyx basi breviter adnatus, limbo 5-partito. Corolle tubus subzequalis, exsertus,
declinatus ; limbus obliquus, patens, 5-fidus.—Stamina 4, didynama, cum rudimento quinti; anthere
liberee, subrotunde. Glandule perigyne 5. Stylus apice bilamellatus, lobis membranaceis intus
stigmatosis. Capsula unilocularis, valvulis 2 medio placentiferis, Semina numerosa.

Herba tenera, flaccida, semipedalis vel vix pedalis, ramis paucis divaricatis villosulis. Folia opposita,
longiuscule petiolata, ovata, obtusa, crenata, basi rotundata vel angustata, 2-3-pollicaria, tenuiter membranacea,
supra hispida, subtus pallidiora, glabra vel ad venas villosula. Racemi in axillis superioribus solitarii vel
terminales, folio seepius breviores. Pedicelli oppositi, filiformes, 6-10 lin. longi, singuli bractea ovata sessili
1}-2 lin. longa subtensi. Calyx 14 lin, longus, viridis, fere glaber, lobis ovatis vel oblongis obtusiusculis parte
integra adnata longioribus, Corolla semipollicaris, leviter pilosula. Stamina inclusa, antheris parvis globosis.
Glandule perigyn inter se aquales, lineares, ovario longiores. Capsula calyce brevior, basi adnata. Semina
numerosissima, minuta (albumine parco?), in speciminibus nondum matura.

The free stamens of this plant indicate an affinity with Achimenes, and the
form of the corolla is not unlike that of some of the small-flowered species of that
genus, but the tube is neither gibbous nor spurred at the base, and the five equal
perigynous glands are more prominent even than in Gesneria and Gloxinia. It is

not improbable, however, that the Achimenes erinoides, DC., and A. comifera, DC.,
may be congeners of our plant.

PoLEMONIACER.
542. Lest coccinea, G. Don.—Benth. in DC. Prod. v. 9. p- 318.—Tepic.
543. Lasenta glandulosa, G. Don.—Benth. 1. c. p- 319.—Tepiec.
544. Leseta involucrata, G. Don.—Benth. 1. e.—Realejo and Acapulco.
545. Lesetta amplectens, Benth. 1. c. p. 320.—Tepic.
546. Cantua buzifolia, Lam.—Benth. 1. c. p- 321.—Huamantango.
547. Copza macrostema, Pay,—Benth. l. c. p- 322.—Atacames,

WESTERN TROPICAL AMERICA, 133

CONVOLVULACER.

The plants of this order appear to be very numerous in tropical America, but
owing to the early period of the day at which their flowers close, and the difficulty
of drying them well, the comparatively few specimens brought home by collectors
are usually very unsatisfactory. The leaves, moreover, vary much in form in
different parts of the same plant, and the genera into which the known species
are distributed are for the most part established upon purely technical characters,
having often little or no relation to the habit of the plants. I have therefore re-
frained from describing several species of which the specimens are not very satis-
factory, although I have been unable to refer them to any of those contained in
De Candolle’s Prodromus, and have only established as new those of which the
collection contains good specimens affording decided characters by which they
differ from all others with which I am acquainted, as well as from the specific
characters given by Choisy.

548. Areyreta? oblonga, sp. n., volubilis, ramis lignosis, novellis angulatis tomentosis, foliis
elliptico-oblongis vel rarius ovatis basi obtusis supra pilosulis subtus nervosis ad venas tomentosis,
pedunculis brevibus, corymbis confertis tomentosis, sepalis coriaceis ovatis obtusis tomentosis, corolla
infundibuliformi-tubulosa glabra vel apice tomentella,—Tepic.

Frutex alte scandens? Folia 2-4 poll. longa, 1-13 poll. lata, acuminata vel obtusa, basi nee cordata nec
_ angustata, omnia que vidi integra, supra pilis minutis conspersa, subtus prominente penninervia et teatervestion
venulosa ; petiolo tenui 6-10 lin. longo. Pedunculi crassi, uti pedicelli et ealyces tomento denso albido-flavic-
ante obtecti. Inflorescentia bipollicaris, corymboso-multiflora. Bracteze parve, lineares. Sepala “aiid
pollicaria, inter se subeequalia, intus glabra seepe rubescentia. Corolla sesquipollicaris vel paullo pain, best
contracta, superne in faucem elongatam ampliata, limbo (patente?) 5-angulato. Alabastram apice leviter
tomentosum. Anthere: 4 lin. longe. Ovarium carnosum, biloculare, 4-ovulatum.

Although I have not seen the fruit of this plant, the ovary is So thick and
fleshy as to leave little doubt of its belonging to the tribe of the Argyreie, and the
ovary is certainly bilocular ; I have therefore ventured to place it in Argyreia,
although Choisy has no American species of that genus. The habit is that of
some of the Asiatic species, and Choisy himself suspects that one or two of the
American plants placed by him doubtfully in Rivea may prove to belong rather
to Argyreia. 3

549. Quamoc.tr coccinea, Chois. in DC. Prod. v. 9. p. 335.—Tiger Island, Gulf of Fonseca,
Guayaquil.
550. Quamoctit hederefolia, Chois. 1. ¢. p. 336.—Columbia.

551. Quamocut vulgaris, Chois. 1. c.—Mexico to Guayaquil,
MM

134 BOTANY OF THE VOYAGE OF THE SULPHUR.

552. Cauonycrion speciosum, Chois. in DC. Prod. v. 9. p. 345.—Isle of Taboga, Bay of

Panama.

Very few of the American specimens which I have examined come precisely
within Choisy’s character of this very variable species. The three outer sepals
are usually shorter in their dilated portion than the inner ones, and terminated by
very long points, whilst the inner ones are longer without any points at all, or
scarcely any. The peduncles are sometimes indeed “ longissimi,” but often also
very short. The character of the genus is very obscure, as both Ewogonium and
Ipomea are made to include species with hypocrateriform corolle and exserted
stamens.

553. Baratas? crassicaulis, sp. n., caule erecto elato fistuloso glabro, foliis amplis late cordato-
lanceolatis glabris, corymbo laxo multifloro minute canescenti-tomentello, sepalis orbiculatis obtusis
extus tomentellis, corolla infundibuliformi-campanulata extus minute tomentella.— Guayaquil.

Caulis summitates adsunt pedales, non volubiles, glabri, leviusculi. Folia 6-10 poll. longa, 2-4 poll. lata,
longiuscule acuminata, margine integra vel sinuata, basi auriculis rotundatis cordata vel angulato-subhastata
membranacea, utrinque glabra, petiolo 2-4 poll. longo. Calyx 2-3 lin. longus, sepalis margine tenuibus glabris
dorso canescenti-tomentellis, exterioribus paullo brevioribus, Corollz tubus supra ovarium leviter constrictus,
mox in faucem elongatum ampliatus, limbo campanulato 5-angulato. Stamina inclusa. Styli lobi stigmatesi
subglobosi. Ovarium non carnosum, supra medium 4-loculare, basi biloculare.

This plant may be equally well placed in Ipomea, but it is unlike any species
described. A transverse section of the ovary, if taken above the middle, shows
four distinct and complete cells, if below the middle, two cells only, without any
trace of the additional dissepiments.

554, Bararas acetosefolia, Chois. in DC. Prod. v. 9. p. 358.—Guayaquil.

These specimens have both the leaves and flowers smaller than usual, but
appear to belong to the species. The Ipomea longifolia (Benth. Pl. Hartw. p. 16)
referred here by Choisy, differs essentially in foliage, flowers, and ovary, being @
true Ipomcea with a two-celled ovary, a calyx 8 or 9 lines long, and a corolla full
four inches diameter.

556, Bararas paniculata, Chois. in DC. Prod. v. 9. p. 339.—Ovarium dissepimentis basi
incompletis sub-4-loculare.— Guayaquil.

556. Batatas pentaphylla, Chois. 1, c.— Guayaquil.
557. Baratas quinquefolia, Chois. 1. c.—Tepic, Realejo, Guayaquil.
558. Puarsrtis hispida, Chois. in DC. Prod. v. 9. p- 341.—Guayaquil.

559. Puarsrtis heterosepala, sp. n., volubilis, caule pilis adpressis retrorsis pubescente, foliis
latis cordatis acuminatis glabris vel vix puberulis, pedunculis folio brevioribus confertim 3-5- floris,

WESTERN TROPICAL AMERICA. 135

sepalis lanceolatis acuminatis exterioribus multo majoribus adpresse pilosuliss.—Mundiche in
Columbia.

Affinis P. hispide, sed glabrior, pili quee adsunt omnes breves, adpressi, nec unquam patentes. Pedicelli
brevissimi ad apicem pedunculi 1-3-pollicaris, Sepala exteriora 6-9 lin. longa, interioribus majora et 2-3-plo-
latiora. Corolla speciosa, tripollicaris. Ovarium triloculare, loculis biovulatis.

560, Puarsrris Mil, Chois. in DC. Prod. v. 9. p. 343.—Realejo.
561. Ipomma urbica, Chois. in DC, Prod. v. 9. p. 349.—Guayaquil.

Distinguished by Choisy from J. pes-capre chiefly by the venation of the
leaves, which, however, is scarcely constant.

562. Ipomma codonantha, Benth. Pl. Hartw. p. 120.—Pedunculi et pedicelli sepe 4-alati.
Species ab omnibus in Prodromo enumeratis distincta videtur.—Guayaquil.

563. Iromma brachypoda, sp. n., glabra vel pilis longis hispida, volubilis, foliis petiolatis pro-
funde cordatis longe acuminatis integris vel basi late sinuatis angulatis trilobisve membranaceis,
pedunculis plerisque petiolo brevioribus confertim 3-10-floris, sepalis longe linearibus lanceolatisve

acutis, corolla glabra, capsula glabra, seminibus puberulis—Acapulco; Isle of Taboga, Bay of
Panama; Columbia.

Habitus fere Pharbitidis hispida, sed ovarium repetite observatum constanter biloculare vidi; affinis etiam
Ipomeee trichocarpe sed pluribus notis distincta. Caules tenues, volubilis, uti petioli nunc glabri, nunc seepius
pilis longis patentibus vel subretrorsis hispidi. _Petioli 6-18 lin. longi. Folia 2-3 poll. longa, sepins longe et
acute acuminata, auriculis baseos latis rotundatis rarius angulatis, viridia, tenuiter membranacea, glabra vel
Juniora pilosa presertim in pagina superiore. Pedunculi raro semipollicares, inferiores confertim cymoso-6-10-
flori, superiores seepe 1-3-flori. Bracteze lineares, ceeterum sepalis subsimiles. Sepala 6-9 lin. longa, viridia,
acuta, apice glabra, basi pilis longis hirsutissima vel omnino glabra, exteriora interioribus paullo latiora, Corolle
forma eadem videtur ac in Pharbitide hispida sed minor. Capsula subcoriacea, glabra, 4-valvis. Semina pilis
minutis sparsis puberula, magnitudine eorum Pharbitidis hispide.

564. Iromma pedicellaris, sp. n., volubilis, glabra vel rarius superne puberula, foliis late cordatis
acute acuminatis membranaceis, pedicellis pedunculo 1-3-floro longioribus, sepalis ovatis obtusis
subequalibus glabris, corolla speciosa longe campanulata glabra, capsula glabra.—Acapulco; Tiger
Island, Gulf of Fonseca.

Habitu et foliis ad J. rubroceeruleam accedit. Folia latiora, breviter et late cordata. Pedunculi semipolli-
cares vel rarius pollicares. Pedicelli vulgo sesquipollicares, post anthesin \incrassati, Sepala 3 lin. longa,
margine scariosa. Corolla fere 3-pollicaris, tubo extra calycem abrupte ampliato in faucem elongatam superne
campanulatam. Alabastrum junius extus apice tomentellum. Ovarium 2-loculare ; loculis 2-ovulatis.

565 to 570. Iromama, sp., six, three from Mexico, one from Central America, and two Kon
Columbia, which I have been unable to refer to any of those enumerated in the Prodromus, but
which, owing to the insufficiency of the specimens, cannot be satisfactorily described as NeW.

571. Ipomma cymosa, Roem. et Schult—Chois. in DC. Prod. v. 9. p. 371 —Conwaeates dens
Jlorus, Hook. et Arn. Bot. Beech. p. 303.—Mexico to Guayaquil. +

The specimens are generally, but not always, more pubescent than the ne
Indian ones, but I can find no other difference in foliage, flower, or seed. It

136 BOTANY OF THE VOYAGE OF THE SULPHUR.

varies much in the breadth of the leaves and the number of flowers in the cyme,
but it is readily known by the peculiar brown colour and texture of the sepals
when dry. It is surprising that Choisy should not have met with it from America,
as I have it from the West Indies and Guiana, as well as from tropical Africa. It
has not the slightest resemblance with J. tyrianthina, to which Choisy refers the
Conv. densiflorus.

572. Ipomma microsepala, sp. n., caule volubili tenui glabro vel longe patentim piloso, foliis
cordatis acuminatis auriculis baseos rotundatis membranaceis glabris opacis, pedunculis tenuibus
vulgo folia superantibus laxe plurifloris, sepalis parvis oblongis obtusis mucronatisve, corolla basi
longiuscule attenuata superne campanulata glabra.—Acapulco; some specimens from Tumaco in
fruit only, appear also to be the same species.

Habitu accedit ad Quamoclit coccineam. Folia 1-2-pollicaria, acumine longo vel brevi obtuso vel rarius
acuto, non pellucida, petiolo tenui pollicari vel paullo longiore. Pedunculi graciles, glabri, 1}-3-polli-
cares; flores in cyma 8-12, nunc 1-3, breviter pedicellati. Bractece parvee, lineares. Sepala subeequalia,
vix linea longiora, margine subscariosa. Corolla fere pollicaris, in sicco lutea videtur, an alba? Ovarium
2-loculare, 4-ovulatum et stigma Ipomew. Capsula globosa, glabra, 2 lin. diametro, calyce patente suffulta, ei
Quamoclit coccinee similis sed bilocularis sub-4-valvis.

573. Iromma oocarpa, sp. n., volubilis, gracilis, glabra, foliis breviter petiolatis cordatis
acuminatis pellucido-punctatis, pedunculis 1-3-floris folio longioribus ramulisque glutinosis, sepalis
ovatis obtusis, corolla basi longiuscule attenuata superne campanulata glabra, capsula ovata glabra
ealyce multo longiore.—Guayaquil.

Ramuli graciles, fere filiformes, juniores uti pedunculi et petioli glutinosi. Petioli 1-3 lin. longi. Folia
1-1}-pollicaria, forma iis I. microsepalw similia, punctis parvis oblongis pellucidis conspersa. Pedunculi
tenues, rigiduli, 2-3-pollicares, apice 1-3-flori, pedicello primum florente brevissimo, post anthesin incrassato
recurvo, 1-2 tardioribus elongatis tenuibus. Sepala parum inequalia, exteriora 1} lin. interiora 2 lin. longa,
margine subscariosa, in fructu paullo aucta, latiora. Corolla pollicaris, ex sicco purpurea vel rubra videtur.
Genitalia corolla paullo breviora. Stylus et ovarium Jpomew. Capsula 4-5 lin. longa, 4-valvis, glabra, abortu
sepius 1-2-sperma,

574, Ipomm@a puncticulata, sp. n., caule volubili gracili glabro, foliis petiolatis cordatis vel
hastatis acuminatis supra glabris vel brevissime glanduloso-puberulis minute pellucido-punctatis
subtus lepidoto-glaucescentibus, pedunculis 1-3-floris, sepalis ovatis obtusis, corolla basi longiuscule
attenuata superne campanulata.—Mexico.

Habitus, calyces et corolla J. oocarpe ; pedicelli breviores, et foliis facile distinguenda.

The three last species have at first sight considerable resemblance to each
other in foliage, in the small size of the calyx, and the shape of the corolla, but
are perfectly distinct from each other, especially in the dotting of the leaves, and
the two first in the capsules. I do not know of any species nearly allied to them,
and amongst the descriptions in the Prodromus none appear to come near to them

except perhaps the I. aristolochiefolia. :

575. Troma trifida, Don.?—Chois.? in DC. Prod. v. 9. p. 383.— Acapulco, Realejo,

WESTERN TROPICAL AMERICA. 137

Variat glabra, pubescens, vel hirsuta; foliis integris cordato-ovatis lanceolato-sagittatis vel profunde trilobis.

Sepala subscariosa nec herbacea, setaceo-acuminata vel acuta, dorso hirsuta vel rarius glabra, Corolla 15-18
lin. longa.

576. Irpomma evolvuloides, Moric.—Chois. in DC. Prod, v. 9. p- 373.—Acapuleco.

These specimens agree perfectly with Blanchet and Gardner’s Brazilian,
Schomburgh’s Guiana, and Linden’s Mexican ones. The corolla as well as the
habit of the plant are much more those of a Jacquemontia than of an Ipomea, and

the stigmatic branches of the style are not quite so globose as they usually are in
the latter genus.

577. JACQUEMONTIA pycnocephala, sp. n., volubilis, undique dense tomentoso-hirsuta, foliis
plerisque cordiformibus, pedunculis apice capitato-multifloris, bracteis late cordato-ovatis, sepalis
exterioribus ovatis acuminatis, interioribus multo minoribus, corolla ealyce vix duplo longiore—
Acapulco,

Rami teretes, dense vestiti pilis mollibus patentibus in ramulis novellis velutinis. Folia vulgo 1-2-
pollicaria, acute acuminata, margine integra vel undulata, basi auriculis latis rotundatis cordata, crassiuscula,
utrinque molliter velutina, petiolo 3-8 lin. longo, Pedunculi nunc abbreviati, vix petiolo longiores, nune
rarius fere 4 poll. longi, velutino-villosi, capitulum ferentes hemisphwericum dense imbricatum. Bractee
exteriores late cordato-ovate, acuminate, foliacees, tomento velutino vestitw, 4-6 lin. long, 4-8 lin. late,
interiores angustiores. Pedicelli brevissimi. Sepala exteriora 3-4 lin. longa, ovata, acuminata, basi cuneata
vel angustata, interiora 2-3 minora, quorum intimum vulgo membranaceum acutum vix 1} lin. longum.
Corolla 7 lin. longa, campanulata, glabra, lobis acutis. Stamina corolla breviora. Styli lobi stigmatosi
crassiusculi, oblongi, iis J. violacew simillimi.

This species differs from the downy form of J. violacea by the remarkable
bracts which, instead of being smaller than the outer sepals, are very much broader
and larger, as in some of the capitate Ipomee ; and also by the ferruginous down
which covers both surfaces of the leaves more densely even than in the J,

Serruginea.

578. Jacquemontta violacea, Chois. in DC. Prod. v. 9. p. 397 var.—A very imperfect speci-
men.— Panama.

579. Jacquemontt1A corymbulosa, sp. D., volubilis, undique ferrugineo-tomentosa, foltis breviter
petiolatis cordato-ovatis acuminatis, pedunculis elongatis apice cymoso- multifloris, bracteis ie
setaceis, sepalis parum inaequalibus ovatis vel ovato-lanceolatis acuminato-acutis corolla i re-

vioribus.— Guayaquil.

Caules et folia fere Convolvuli nodiflori. Rami teretes, pube brevissims douse ods ee a.
tomentosi. Folia in aliis speciminibus vix pollicaria, superiora minora, shone oi pe. "a
bipollicaria, petiolo 6 lin. longo, omnia utrinque molliter tomentosa. | sbexsugiier 2-5 poll. ongi, on
numerosissimis in cymam densam confertis. Bracteee majores vix lineam long, eres s al nepala cha
anthesin breves, fructiferi 1-3 lin. longi. Calyces tomentoso-pubescentes, ‘ot rat HE vix eequans,
rarissime fere 3 lin. longa. Corolla late campanulata, semipollicaris, coerulea. ‘Cape on
glabra, quadrivalvis. | |

NN

138 BOTANY OF THE VOYAGE OF THE SULPHUR.

580, Convotvuxus nodiflorus, Lam.—Chois. in DC. Prod. v. 9. p. 414.—Guayaquil.

581. Evoitvu.us nummularius, Linn.—Chois. in DC. Prod. v. 9. p. 445, var. parvifolia.—
Acapulco.

582. Evonvunus glabriusculus, Chois. in DC. Prod. v. 9. p. 448. var. altera foliis iis E. num-
mularii simillimis, 6-9 lin. longis, pedunculis folia equantibus vel duplo longioribus; altera hetero-
phylla, foliis aliis L. nummularii, aliis ovatis acutis ultrapollicaribus——Guayaquil, both varieties.

583. Evoxvutvs linifolius, Linn.—Chois. in DC. Prod. v. 9. p. 449.—Tepic.

584. Cuscuta laziflora, sp. n., caule filiformi, pedunculis brevissimis, pedicellis calyce seepius
longioribus, calyce pentagono lobis latis obtusis parte integra brevioribus, corolla ‘Urceolste calyce
vix duplo longiore lobis oblongis obtusis recurvo-patentibus, squamis laceris ? stylis apice globoso-
stigmatosis corolla paullo brevioribus.—Acapulco, on a Tephrosia, and on a Composita.

Flores seepius in racemo brevissimo umbellzformi subsessiles, 4 ad 10. Pedicelli filiformes, ineequales,
2-3 lin. longi. Calyx laxus, per anthesin J+ lin., in fructu 2 lin. longus. Corolla 2 lin. longa. Affinis videtur
C. intermedia, Chois., sed calyx descripto laxior, major, lobis non imbricatis, pedicelli longiores, pedunculus
communis seepius nullus.

585. Cuscura globulosa, sp. n., caule filiformi, floribus glomerato-racemosis vel corymbosis
brevissime pedicellatis subglobosis, calyce laxiusculo campanulato lobis latissimis obtusis imbricatis

parti integree zequilongis, corolla vix calycem excedente lobis brevissimis latis obtusis, squamis alte
fimbriatis, stylis apice late peltato-stigmatiferis subexsertis — Acapulco.

Tota siccitate nigrescit. Glomerule florum oblong vel subglobose. Pedicelli raro lineam longi, squamis

nullis intermixtis. Calyx linea paullo longior, lobis conniventibus. Corolla superne constricta, lobis patulis,
Squam2 late, ultra medium exciso-fimbriate.

586. Cuscura congesta, sp. n., caule filiformi, floruam glomerulis densis ovatis subramosis squa-
mellis intermixtis, calyce ovato lobis parte integra brevioribus latis obtusis, corolla calycem vix
superante intus squamata, lobis brevissimis latis obtusis, squamis integris, stylis apice globoso-
stigmatosis subexsertis.— Acapulco.

Flores in glomerulo numerosi, sessilis vel breviter pedicellati, vix lineam longi. Squame ovate, obtuse,
integerrime: vel vix obscure denticulate.

BoraGinem.

587. Varronta calyptrata, DC. Prod. v. 9. p- 469.—Tiger Islands, Gulf of Fonseca ; it is also
n. 1305 of Cuming’s Central American collection.

588. Varronia rotundifolia, Alph. DC. Prod. v. 9. p. 469.—Columbia, Guayaquil; also 1.
‘(1174 of Cuming.

589. Corpta gerascanthus,

Jacq. 8. subcanescens, DC. Prod. v. 9. p- 472.—Acapulco ; Isle of
Gorgona.—These specimens co

rrespond with the common West Indian ones in every respect except

WESTERN TROPICAL AMERICA. 139

that the flowers are rather smaller. The Acapulco plant mentioned in the Botany of Beechey’s
Voyage, p. 304, is rather the C. tinifolia.

590. Corpta ferruginea, Roem. et Schult.—DC. Prod. v. 9. p. 488.—Tepic.
591. Corpra peruviana, 8. mexicana, DC. Prod. v. 9. p- 491.—Panama.

592. Corpia (Myzxe spiceformes) hispida, sp. n., ramulis petiolis pedunculisque pilis longis rigidis
hirsutissimis, foliis lanceolatis utrinque acuminatis supra scaberrimis subtus ad venas hispidis, spicis
elongatis gracilibus, calyce glabriusculo tubo corolle paullo breviore.—Gulf of Fonseca.

Pili, e tuberculo orti, longiores et rigidiores quam in omnibus hujus sectionis mihi notis speciebus, in ramis
petiolis pedunculis costis paginee inferioris foliorum et etiam in foliis novellis superne copiosi. Folia pleraque
3-4 poll. longa, 6-12 lin. lata, irregulariter serrata basi longe angustata et interdum usque ad articulationem
petioli decurrentia, adulta supra pilis derasis et tuberculis persistentibus scaberrima, subtus inter costas viridia,
glabriuscula, minutissime glandulosa-puncticulata. Spice in pedunculo bipollicari 2-3-poll. longe. Calyx
ante anthesin globosus, florens campanulatus, irregulariter 4-5-fidus. Corolle tubus 1} lin. longus, superne
paullo latior, limbus patens 5-fidus, lobis tubo brevioribus ovatis, fauce nuda vel parce pilosa, Stamina e tubo

vix exserta.

This and the two preceding species belong to a numerous group often con-
founded in herbaria under the name of Varronia curassavica, and comprised in De
Candolle’s Myxze@ spiceformes; they are often very difficult to distinguish, and
probably several of the published ones are but varieties of each other; the C.
hispida now described appears, however, to differ from them all in the long stiff
hairs with which it is covered. In other respects it comes nearest to C.
Peppigit. :

593. Corpra (Myxe subcapitata) mécrocephala, Willd.? in Roem. Schult. Syst. v. 4. p. 465,
undique strigoso-scabra, foliis petiolatis ovato-lanceolatis utrinque longe angustatis grosse serratis,
pedunculis folio brevioribus, spicis ovato-globosis parvis, ealyce subgloboso strigoso corolla vix
breviore, staminibus corollam equantibus.—Gulf of Fonseca.

Nomen Willdenowii optime convenit, et diagnosis nimis brevis non discrepat. Rami adsunt seoquipedales,
dichotome ramosi, undique uti folioram pagina utraque pedunculi et calyces pilis strigosis adpresis seabri.
Folia 24-3 poll. longa, 9-12 lin. lata, acute acuminata et basi in petiolum longs angantath sce ie:
globosa, pauciflora, vix 3 lin. lata. Calyces 5-fidi, lobis seu dentibus triangularibus obtusiusculis muticis,
Corolla subcampanulata, calycem vix excedens, breviter 5-fida, ad faucem intus pilosa.

594. Corpta guayaquilensis, Humb. et Kunth.—DC. Prod. v. 9. p. 496.—C. polyantha, Benth.

pl. Hartw. p. 121.—Guayaquil.
595. Corpra Bonplandii, Reem. et Schult.?—DC.? Prod. v. 9. p. 497.—Atacames.

596. Corpra dasycephala, Humb. et Kunth—DC. Prod. v. 9. p. 497.—Columbia.

597. Tournerort1a hirsutissima, Linn.—DC. Prod. v. 9. p. 517.—Realejo, Manzanilla Bay.

598. Tournerort1A levigata, Linn.—DC. Prod. v. 9. p. 519.—Panama, Atacames. —
599. Tournerort1a (Pittonia) calycina, sp. 0D. scabro-puberula vel —— axe
breviter petiolatis ovatis oblongisve subacuminatis basi longe angustatis membranaceis, p¢

140 BOTANY OF THE VOYAGE OF THE SULPHUR.

sub-4-stachyis, floribus confertis, calycis segmentis lineari-spathulatis obtusis corolla tubum sub-
aquantibus, corollz lobis obtusis, fructu subgloboso glabro.— Acapulco.

Species calyce ab omnibus distincta. Ramuli subteretes, scabro-puberuli. Folia 3-6 poll. longa, 1-2 poll.
lata, utrinque viridia, supra scaberrima, subtus ad venas scabra, ceeterum glabra. Pedunculi terminales,
2-4-pollicares, apice sepius bis bifidi, ramis scorpioideis 1-1}-poll. longis a basi confertim floriferis. Flores
brevissime pedicellati. Calyx usque ad basin fissus, segmentis viridibus fere 3 lin. longis. Corolla extus glabra
vel leviter puberula; tubus medio parum inflatus, ibidem intus staminifer ; lobi undulato-plicati, obtusissimi
vel emarginati. Ovarium glabrum, Stylus brevis, stigmate brevi conico, Fructus globosus, magnitudine

seminis Lathyri odoratt, integer.

600. TournErorTtA leptostachya, sp. n., scandens, junior puberula, demum glabrescens, foliis
oblongis obtusis vel acutis basi in petiolum brevem angustatis, cymis breviter pedunculatis dicho-
tomis, spicis gracilibus remotifloris, calycis lobis acutis corolla tubo subtriplo brevioribus, corolle
lobis obtusissimis emarginatisve, fructu pubescente.—Huamantango.

Habitus et forma corolle fere 7. fuliginosw, sed spice et flores multo minores. Ramuli novelli uti
inflorescentia ferrugineo-puberuli. Folia que adsunt 2-3-pollicaria, rigide membranacea. Pedunculi laxe
5-T-stachyi, spicis vix pollicaribus. Flores omnes remoti; calyx vix 4 lin., corolla tubus fere 1} lin. longi,
limbus patens, undulato-plicatus, tubo paullo brevior. Ovarium et fructus junior hirsuta. Stylus subnullus.
Stigma elongato-conicum, ovario pluries longius. Fructus subinteger videtur, sed vix grossificatum vidi,

601. TournerortiA obtusiiora, sp. n., ramis pubescentibus, novellis subferrugineis, foliis petio-
latis oblongis acutis acuminatisve basi angustatis supra tenuiter strigosis subtus pubescenti-hirtis
tomentosisve, pedunculis términalibus dichotomis 4-8-stachyis, calycibus strigoso-hirtis, corolla
tubo breviter exserto, limbi lobis brevissimis obtusissimis vel emarginatis, fructu glabro.— Guayaquil.

Rami lignosi, adulti teretes ; ramuli novelli angulati, pilis brevibus dense hirsuti. Folia 2-3 poll. longa,
1 poll. lata, vel in ramis vegetioribus duplo majora, integerrima, interdum bullulata, infra nunc viridia parce
hirsuta, nunc pube densa molliori canescentia. Pedunculi communes breves. Spicee 1-14-pollicares. Flores
sessiles. Calycis lobi angusti, acuti. Corolla tubus linea brevior, fere glaber, limbus latus subreflexus
undulato-plicatus, brevissime et late 5-lobus, lobis emarginatis obtusissimis. Stylus supra ovarium brevissimus ;
stigma conicum, ovario styloque longius, e corolla tamen non exsertum. Fructus parvus, depresso-globosus,
glaber, integerrimus,

602. Tournerortia rufipila, sp. n., ramis sparse rufo-hirtis et brevissime tomentoso-canescen-
tibus, foliis breviter petiolatis elliptico-oblongis lanceolatisve utrinque longe angustatis supra sparse
hirtis subtus tomentoso-pubescentibus ad venas hirtis, eyma rufo-hirta 5-7-stachya, floribus approxi-
matis, calycis lobis subulato-acuminatis corolla tubo paullo brevioribus, corolla lobis ovatis obtusi-
usculis, fractu depresso-globoso subintegro glabro.—Salango,

; emai pedunculi, petioli et foliorum pagina inferior vestiti pube brevissima canescente vel rufescente, pilis
intermixtis longiusculis patentibus. Folia 3-5 poll. longa, 1-14 poll. lata, pilis paginze superioris rufis strigosis
vel suberectis. Peduneuli 1-2-pollicares. Spicee multiflore, 1-14 pollicares. Calycis lobi e basi ovata in
"eed bcos producti. Corollse tubus extus pubescens, 14 lin. longus, lobi breves, marginibus inflexis.
Stamina vix tubo breviora. Ovarium pubescens. Stylus ovario longius, stigmate ovato conico subintegro-

Fructus parvus, medio leviter depressus at vix lobatus, rugulosus, An eadem ac 7’. cuspidata, Humb. ¢
_ Kunth? cujus flores et fructus ignota sunt.

O08, ‘Tournerort1a velutina, Humb. et Kunth.—DC, Prod. v, 9. p. 524,—Acapulco.

WESTERN TROPICAL AMERICA. 141

604. TournErorTiA, sp. n.? foliis subsessilibus bullato-rugosis scaberrimis, calycis Jobis subulatis
Corolla in specimine destructee.—Huamantango.

605. Hetiorroriu curassavicum, Linn.—DC, Prod. v. 9. p. 538.—Columbia.

606. Hexiotrorium corymbosum, Ruiz. et Pav.—DC. 1. c.—These specimens agree perfectly
with those cultivated as H. grandiflorum, but in both the calycine lobes are ovate, terminating in a
short point.—Guayaquil.

607. Hetropnytum parviflorum, DC. Prod, v. 9. p. 553.—Mexico to Guayaquil.
608. Hetitopnytum indicum, DC. Prod. v. 9. p. 556.—Mexico to Guayaquil.

609. LirnospeRMUM, sp.—Apparently new, but the specimens imperfect, and cannot be well
characterized till the remainder of the Boraginee shall have been published in De Candolle’s Pro-
dromus.—Tepic.

HyYDROLEACER.

610. Hyprotea spinosa, Linn.—Chois. Hydrol. p. 16.—Tepic, Acapulco, Panama,
611. Wicanp1a Kunthii, Chois. Hydrol. p. 22.—Manzanilla Bay.
612. Wicanpta scorpioides, Chois. Hydrol. p. 23.—Realejo.

SoLANACER.

613. Nicanpra physalodes, Geertn.—Walp. Rep. 3. p. 22.—Guayaquil.
614. Puysatis Linkiana, Nees.—Walp. Rep. 3. p. 25.—Gulf of Fonseca.

615. Wrrnerrncra montana, Dun.—Walp. Rep. 3. p. 32., var. aniflora, angustifolia, a varietate
vulgatiore arenaria, Dun., verosimiliter specifice distincta.—Guayaquil.

616. Wrrnerrata phyllantha, Dun.—Walp. Rep. 3. p. 32.—Guayaquil.

617. Capsicum frutescens, Willd.—Walp. Rep. 3. p. 34.—San Blas, Guayaquil.
618. Capsicum longum, DC.—Walp. Rep. 3. p. 35.—Gulf of Fonseca.

619. Soranum nigrum, Linn.—Walp. Rep. 3. p. 47.—Guayaquil.

620, Souanum verbascifolium, Linn.—Walp. Rep. 3. p. 53.—Guayaquil.

621. Soranum diphyllum, Linn,—Walp. Rep. 3. p. 59.—Guayaquil.

622. Souanum, sp. precedenti affine, floribus in specimine destructis.—A tacames.

623, Soranum (Micracantha) flericaule, sp. n., undique pilis stellatis —. oe
“ Ce . . od J 3
flexuosis, foliis geminis elliptico-oblongis integerrimis sinuatisve, costa esta .
folio brevioribus, pedicellis hirsutissimis subinermibus, calycibus crebre aculeatis—Guayaq
00

142 BOTANY OF THE VOYAGE OF THE SULPHUR.

Caulis in speciminibus scandens videtur, lignosus. Ramuli teretes, flexuosi, undique pilis stellatis rigidulis
ferrugineis tecti et aculeis sparsis brevibus recurvis armati. Folia gemina, alterum 2-3 poll. longum, 6-9 lin.
latum, apice et basi angustatum, alterum seepius brevius, obtusius at non angustius, omnia crassiuscula, margine
nunc integerrima nunc seepius leviter et obtusissime sinuata; pagina superior pilis densis stellatis rigidulis
scabro-hirta, inferior pilis pariter stellatis sed longioribus mollioribus tomentosa ; venz subtus prominentes ;
costa media subtus aculeis numerosis parvis recurvis, supra aculeis rarioribus acicularibus armata. Racemi
laterales pollicares, a medio floriferi. Pedunculi ferrugineo-hispidi; pedicelli vix 2 lin. longi, pariter hispidi
et interdum aculeis paucis acicularibus armati. Calycis tubus per anthesin brevis, aculeis rectis parvis mox
increscentibus, lobi 1-14 lin. longi, lanceolati, dense ferrugineo-hispidi. Corolla profunde 5-partita, lobis
lanceolato-linearibus, extus stellato-tomentosis, 5-6 lin. longis. Anthere corollam subzequantes, superne
attenuate. Ovarium hirsutum, biloculare. Baccamnon vidi. Species affinis videtur S. atwrensi et S. volubilt.

624. Sotanum scabrum, Vahl.—Walp. Rep. 3. p. 72.—Variat foliis omnibus integris vel ple-
risque profunde sinuato-lobatis.—Panama, gathered also by Cuming, n. 1134.

625. So.anum torvum, Sw.— Walp. Rep. 3. p. 78.—Mexico to Guayaquil.

626-629.—So.anum, four species; two from Panama, and two from Columbia, all belonging
apparently to the ¢orvum section, but in too imperfect a state to be determined accurately in this
overgrown genus.

630. LycopErsicum peruvianum, Mill.—Walp. Rep. 3. p. 100.—Guayaquil.
631. Lycorerstcum esculentum, Mill.—Walp. Rep. 3. p. 101.—Tepic.

632. THINoGETON ‘maritimum, gen. nov. Solanacearum baccatarum. — Sandy _ beech,
Columbia.

Cuar. Gen. Calyx 5-dentatus. Corolla infundibuliformi-campanulata, limbo vix patente,
plicato, 5-angulato. Stamina 5 inaequalia, inclusa, infra medium corolle inserta; anthere erecte,
oblong, biloculares, loculis longitudinaliter dehiscentibus. Ovarium biloculare. Stylus apice
spathulato-dilatatus, margine crassiuscule stigmatosus. Bacca calyce aucto membranaceo inclusa,
bilocularis, cortice membranaceo, pulpa tenui. Semina plurima, suborbiculata, compressa, rugosa.
Embryo valde curvatus.

YL. maritimum. Herba in arena prostrata, pedalis vel longior, ramosa, viscoso-pubescens, carnosula.
Folia alterna, longiuscule petiolata, lanceolata vel oblonga $-1-pollicaria, sinuato-lobata vel grosse dentata, basi
angustata, crassiuscula, Pedicelli solitarii vel gemini, laterales vel ad apices ramorum unilateraliter racemosi,
2-4 lin. longi, ebracteati. Calyx 3 lin. longus, viscoso-pubescens, dentibus angustis acuminatis tubo suo
brevioribus ; fructifer 5 lin. longus, subinflatus, Corolla 15-16 lin. longa, tubus intra calycem tenuis, dein
gradatim ampliatus more Convolvuli vel Ipomew in faucem campanulatam. Bacca 4 lin. longa, obtusa.

— z pecimens of this plant are covered with particles of sand adhering to
them as in Abronie, Nolane, and other maritime plants from the same coast.

The genus approaches, in some respects, to Jaborosa, but is readily distinguished
both by the calyx and corolla.

633. Lycium salsum, Ruiz et Pav.— Walp. Rep. 3. p. 108.—Guayaquil.
634. Acnistus arborescens, Schlecht — Walp. Rep. 3. p. 112.—Columbia.

WESTERN TROPICAL AMERICA, 143

635. Datura Stramonium, Linn.—Walp. Rep. 3. p. 16.—Mexico to Guayaquil.
636. Cestrum Pargui, Lher.—Walp. Rep. 3. p. 119.—Tepic.

637. Cestrum sp.—A very imperfect specimen, from Panama.

SCROPHULARIACER.

638. Leproaxossis schwenchioides, gen. nov. e tribu Salpiglossidearum.— Huamantango.

Cuan. Gen. Calyx 5-dentatus. Corolle tubus elongatus, apice subgibbus, faux non dilatata,
limbi obliqui patentis lacinize 5, subeequales, breves, late, integra, wstivatione imbricate subplicate,
posticee exteriores. Stamina didynama; anthere biloculares, loculis divaricatis latis demum ex-
plicato-planis confluentibus; staminum posticorum dimidio minores. Stylus apice petaloideo-
dilatatus, lamina orbiculari supra tenuiter stigmatosa. Capsula membrancea, valvulis dissepi-
mentum membranaceum parallelum nudantibus demum bifidis. Placente dissepimento adnate.
Semina numerosa, subangulata.—Huamantango.

L. schwenckioides. Uerbaerecta, ramosa, undique viscido-puberula. Folia alterna, sessilia, 6-9 lin. longa,
lanceolata vel lineari-lanceolata, acuta, integerrima, uninervia, utrinque viridia, superiora decrescentia, Panicula
terminalis, oblonga, semipedalis. Flores ad apices ramulorum conferti, irregulariter et sxpius simpliciter
cymosi, subsessiles vel pedicello calyce breviori ebracteato. Calyx sub anthesi 14 lin., fructifer 2 lin. longus
tubuloso-campanulatus, viscido-puberulus, venis 5 latis viridibus inter venas membranaceus, dentibus 5 acutis
tubo suo multo brevioribus. Corolle tubus 8-9 lin. longus, tenuis, membranaceus; limbus 3-4 lin, latus,
Capsula calycem subeequans, ovata, acutiuscula. Semina nondum matura, sed forma iis Schwenkie similia et
verosimiliter embryo pariter leviter incurva.

This genus is in some measure intermediate between Schwenckia and Bro-
wallia, but well characterized by the form of the corolla and by the stamens. It
belongs to the Salpiglossidee, one of the three suborders into which I have divided
the Scrophulariacee, in the manuscript prepared for the tenth volume of De
Candolle’s Prodromus. This suborder is characterized by the inflorescence, which
like that of the capsular Solanacee, is always some modification of a terminal
centrifugal simple or compound cyme, and by the estivation of the corolla which
is a combination of the plicate, and imbricato-bilabiate, approaching more or less
to the one or to the other in different genera.

639. Browax1a demissa, Linn.—Walp. Rep. 3. p. 236.—Salango, Guayaquil.

640. Browauia peduncularis, sp. n-, viscoso-pubescens, foliis ovatis wi oveto-eblenga nese
bus vel inferioribus petiolatis utrinque scabro-hirtis, floribus paucis axillaribus vel Jaxe ee
pedunculis calyce pluries longioribus, calycis viscosissimi laciniis oblongis tubo longioribus.—
Huamantango ; it is also Mathew’s, n, 512, from Purrochuca. |

Tota rigidior quam B. demissa. Folia pollicaria vel superiora minora. Rami floriferi viscosi. Flores

“*

144 BOTANY OF THE VOYAGE OF THE SULPHUR.

majusculi et calyces fere B. viscose cui etiam scabritie affinis, sed pedunculi 1-3-pollicares nec calyce breviores
et folia minora.

641. Browatia abbreviata, sp. n., superne viscoso-pubescens vel demum glabrata, foliis ovatis'vel
ovato-oblongis glabriusculis, floribus racemosis, pedicellis calyce subbrevioribus, calycis campanulati
laciniis ovato-oblongis tubo sequilongis—Huamantango; it is also Mathew’s, n. 712, from Pur-
rochuca, and Cuming’s, n. 1078, from Lima.

Species affinis B. grandiflora et forte ejus varietas, sed distincta videtur imprimis calyce brevi lato.

642. Gauvesta limensis, Domb. 8 grandiflora, Benth. in DC. Prod. n. 10 ined., foliis caly-
cibusque acutioribus, corolla kermesina 9 lin. longa.—Mante, in Columbia.

643. RussELIa sarmentosa, Jacq.—Walp. Rep. 3. p. 251.—Very abundant, from Tepic to
Panama,

644, RussE.ia rotundifolia, Cavi—Walp. Rep. 3. p. 252.—San Blas, Acapulco.

645. Sremop1a (Adenosma), pusilla, sp. n., humilis, annua, villosula, foliis petiolatis ovatis
crenatis, pedicellis calyce longioribus, segmentis calycinis anguste linearibus tubo corolle bre-
vioribus.—Tepic.

Specimen unicum 4-pollicare, ramosum, fere a basi florens. Pubes brevis viscidula pilis longiusculis
albidis presertim in caule mixta. Ramuli graciles, subfiliformes, adscendentes vel erecti. Petioli tenues, 2 lin.
longi, basi non dilatati. Folia 2-4 lin. longa, obtusa, grosse paucicrenata, basi obtusa vel cuneata, superiora
minora angustiora. Pedicelli axillares, filiformes, 3-4 lin. longi. Calyces 1} lin. longi, segmentis 4 inferioribus
angustissimis, supremo paullo majore, superne subdilatato. Bractece vel desunt vel minutee, setaceee. Corolla
5-33 lin. longa, ei S. parviflora similis. Stamina et stylus eadem. Capsula calycem subeequans, acuminata,

bipartibilis ; valvule integree, marginibus involutis placentas demum segregatas nudantibus. Semina numerosa
minuta, obovoidea,

A very distinct species, allied to S.foliosa and to S. viscosa in the structure of
the flower and fruit, but totally different in habit and foliage.

646. Sremop1a durantifolia, Sw.—Walp. Rep. 3. p. 269.— Guayaquil.
647. Herpestes Monnieria, Humb. et Kunth.—Walp. Rep. 3. p. 282.—Manzanilla Bay.
648. Carranta biflora, Linn.—Walp. Rep. 3. p. 263.—Tepic.

649, Caprarta peruviana, Feuill.— Xuaresia biflora, Ruiz. et Pav.— Walp. Rep. 3. p. 264.—
Guayaquil.

650, Scorarra dulcis, Linn—Walp. Rep. 3. p. 331.—Guayaquil.
651. Buppiera americana, Linn.—Walp. Rep. 3. p- 325.—Salango.

652. Bucunera pilosa, Benth. in DC. Prod. v, 10. ined.—B. elongata, 8 pilosa, Schlecht. Linnea,
v. 8. p. 245.—Realejo.

653. Bucunera elongata, Sw—Walp. Rep. 3. p. 301.—T epic.

654. Bucunera lavandulacea, Cham. Schlecht.—Walp. Rep. 3. p. 304.—Isle of Taboga, Bay
of Panama.

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THEVETIA PLUMBRIAFOLIA.

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GYRANDBA SPECIOSA. —

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TETRAMERIUM NERVOSUM.

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HENRYA INSULARIS. —

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Plate 50.

Drawn from. Nature andon Stone by Mifs Drake.

SALVIA

WESTERN TROPICAL AMERICA. 145

655. Lamovrouxta viscosa, Humb. et Kunth.—Walp. Rep. 3. p. 398.—Acapuleo.
656. Lamovurovxta cordata, Cham. Schlecht.—Walp. Rep. 3. p. 398.—Acapulco.
657. Lamovrouxta multifida, Humb. et Kunth.—Walp. Rep. 3. p. 398.—Tepic.

ACANTHACER.

The specimens belonging to this natural order have been submitted to
Professor Nees von Esenbeck of Breslau, who has kindly determined them, and
transmitted to me the following names and characters of the new species.

658. Menpoz1a puberula, Mart.—Salango.

659. Exyrrarta apargiafolia, Nees ab E.—Gulf of Fonseca.
660. Exyrrarta ramosa, Humb. et Kunth.—Acapulco. |

661. ScrERocaLyx mezicanus, Nees ab E., gen. nov.—Acapulco.

Cuar. Gen. Calyx grandis, coriaceus, basi brevi spatio tubulosus, profunde quinquefidus,
laciniis eequalibus extus canaliculatis, estivatione quinquangularis, laciniis lateris interioris superficie
valvatim conjunctis. Corolla crassiuscula, tubulosa, extus tomentosa, limbo 5-fido regulari laciniis
planis. Stamina 4 ; anthere bilocellatee, cordato-oblonge, locellis parallelis muticis margine nudis.
Ovarium ovatum, biloculare, loculis biovulatis; stylus filiformis; stigma oblique rostratum sive unila-
biatum, basi superne impressum. Fructus latet. Inflorescentia: pedunculi versus apicem caulis
axillares, oppositi, solitarii vel gemini, apice trifidi foliisque bractealibus caulinis similibus at minori-
bus preediti. Pedunculi partiales firmi, infra apicem bibracteati, uni-triflori. Bractez partiales
parvee.—Herba Mexicana, erecta. Genus Trichanthere et Macrostegie accedens, differt ab hac
calycis equalis et crassi exstivatione et antheris, ab illa calyce longo nec imbricato antherisque
haud ciliatis.

S. Mexicanus. Caulis erectus, ramosus, pluripedalis, obtuse tetragonus, grosse lenticellatus, dense at
subtiliter tomentosus, sicuti et petioli, inflorescentia et calyces. Folia caulis 7-8 poll. longa, 3 poll. lata, ovato-
elliptica, basi acuta in petiolum pollicarem desinentia, apice cuspidato-acuminata cuspide obtusiusculo, integer-
rima, supra subtusque (presertim in costis) puberula. Pedunculi folio breviores, rigidi, erecti. Folia floralia
1-1} poll. longa, oblonga, petiolata. Pedunculi proprii patentes, longitudine petioli folii floralis. Bracteole
infra apicem due, aliis spathulate aliis lineares, tomentose. Calyx pollicaris, laciniis lanceolatis acutiusculis
utrinque tomentosis. Corollam explicatam non vidi (a/bam describit schedula adjecta). Stamina quod ad
antheras, si pilos demis, 7ricanthere similia, Ovarium annulo lato cinctum, biloculare, quadriovulatum.

662. ScoropoxyLum ¢erminale, Nees ab E., sp. n., suffruticosum, caule basi repente adscen-
dente tetragono apicem versus laxe pubescente, foliis oblongo-ovalibus acuminatis basi acutis
repando-crenatis tenuibus glabris costis subtus strigosis, thyrso terminali sessili parvo, bracteis
calycisque laciniis subulatis scabris, capsula a medio superne 6-8-sperma.—Atacames.

Quod ad inflorescentiam haud absimile est Stemonacantho Humboldtiano, sed reliqua sunt hujus generis.
Caulis anguli acutiusculi sunt. Folia inferiora cum petiolo semipollicari 6-7 poll. longa, 2-24 poll. lata, obiter

a.

146 BOTANY OF THE VOYAGE OF THE SULPHUR.

repando-crenata. Thyrsus, caulem terminans, adjecto folio 4-pollicari, vix pollicaris est, floribus arcte contiguis,
quasi glomeratis, plerisque sessilibus bracteis parvis interstinctis. Corolla 8 lin. longa, anguste infundibuli-
formis, coccinea, limbo regulari, laciniis ovalibus retusis. Stamina inclusa. Capsula 5 lin. longa, basi valde
angusta, a medio ovalis et juxta originem septi 6-sperma.

663. Arpuracmia Haenkei, Nees ab E.—Ruellia albicaulis, Bertero, var. a et §.—Central
America; Acapulco.

664. ApHracmia rotundifolia, Nees ab E., sp. n., ramis teretibus glanduloso-pubescentibus,
foliis ovatis obtusis integerrimis viscoso-pubescentibus, pedunculis axillaribus dichotomis, bracteis
subrotundis; capsule loculis mono-vel dispermis.—Guayaquil.

A. viscida differt ramis teretibus, foliis minoribus obtusis, pedunculis crassioribus, bracteis subrotundis
floribusque minoribus.

665. APHELANDRA pectinata, Herb. Willd.—Acapulco; Nicoya; Isle of Taboga, Bay of Pana-
ma; Gulf of Fonseca; Isthmus of Darien.—Ejusdem var. macra, Nees ab E.—Columbia.

666. ApHeLanpRA Sinclairiana, Nees ab E., sp. n., (Plate XLVII.) fruticosa, foliis oblongo-
lanceolatis apice et basi acuminatis et in petiolum longum attenuatis utrinque preesertim in costis
cauleque hirsutis, spicis terminalibus fastigiatis, bracteis ovalibus integerrimis sericeo-pubescentibus
calyce longioribus, infimis patulis acuminatis, reliquis imbricatis ventricosis obtusissimis, laciniis
ealycinis chartaceis lanceolatis acutis subtilissime velutinis, corolla ringente, labio superiore biden-
tato, inferioris lacinia media ovato-lanceolata acuminata, lateralibus brevissimis obtusis labio supe-
riori accretis.— Panama, Isthmus of Darien.

Differt ab A. Schiedeana, Schl., hirsutie insigni et abii corollz inferioris longe alia figura ; ab A. Hartwegiana
recedit bracteis majoribus (licet minoribus quam in A. Schiedeana) calyces obtegentibus nec iis brevioribus,
magisque pubescentibus. Folia pedalia, 2-23 poll. lata, pilosa, costis hirsutis. Spice in summo caule 3-5,
semipedales, cylindrice. Bracteee infime herbaceee, acuminate, steriles, tunc aliquot colorate atque acute ;
relique cuncte colorate et obtuse. Corolla coccinea, bipollicaris.

Plate XLVII. fig. 1, calyx; fig. 2, corolla cut open; fig. 3, ovary and base of style; fig. 4,
summit of the style ; fig. 5, longitudinal section of the ovary.

667. DipreracaNnTuus fetidus, Nees ab E.—Ruellia fetida, Humb. et Kunth.—Acapulco.

668. Barteria micans (Nees ab E.), suffruticosa, inermis; foliis oblongo-lanceolatis utrinque
attenuatis cauleque strigosis, spica terminali imbricata subcylindrica, bractea calycisque laciniis
majoribus ovatis brevi-cuspidatis dentato-ciliatis, lacinia inferiore bifida, floribus subdiandris.—
Eranthemum cristatum, herb. Willd. R. et Sch. S. Veg. Mant. 1. p. 153.—Justicia serrata, Humb. in

0H Willd. 1. ¢.;—Justicia oxyphylla, herb. DC.—Isle of Taboga, Bay of Panama; Isthmus of
en,

— Barterta discolor, Nees ab E., sp. n., suffruticosa, inermis, foliis ovalibus vel ovali-
oblongis Scone in petiolum cuneatim desinentibus cauleque strigosis subtus argenteo-albicantibus,
spica terminali ovata imbricata, bractea calycisque laciniis majoribus rhombeo-ovalibus acuminatis
dentato-ciliatis, lacinia inferiore bifida, floribus diandris.—Nicoya.

beserasd Be micanti, differt autem non modo notis adlatis, sed etiam calycibus bracteisque cyaneis dentibus
paucioribus circa margines (laciniw superioris 6-7, inferioris 3-4 a medio ad apicem) magisque patentibus
praeditis, corollaque (lete violacea) paullo majore, limbo magis patulo magisque ineequali. Folia inferiora 83-9

git usnalil iil

WESTERN TROPICAL AMERICA. 147

- poll. longa, 3-3} poll. lata, cuspidato-acuta ; omnia subtus plus minus argenteo-nitentia, qui color neutiquam
ab integumento quadam oritur, nam pili plantee ut in B. micante flavescentes sunt,

670. Leprosracuya Martiana, Nees ab E., spicis simplicibus ramosisve umbellatis folium
gequantibus in paniculam terminalem magis compositam transeuntibus, foliis subsessilibus ovato-
Janceolatis subcordatis apice attenuatis, rhachi panicule terminalis hirsuta glandulosave, antheris
muticis.— Var. caule foliisque glabris, panicule rhachi hine inde hirsuta—Guayaquil,

671. Leprostacuya crinita, Nees ab E., sp. n., spicis subsimplicibus umbellatis folio duplo
brevioribus in paniculam terminalem parvam transeuntibus, foliis ovali-oblongis acumine obtuso
basi in petiolum longum cuneatim attenuatis, caule basi repente glabro articulis panicularibus
patenti-pilosis, antheris muticis.—Columbia.

Differt a L. parviflora foliis latioribus (4-41 poll. longis, et 1} poll. fere latis) basi elongato-cuneiformibus,
apice minus attenuatis, articulis infra et intra paniculam pilis patentissimis vestitis, et antheris muticis.

672. OrTHoractus oblongus, Nees ab E., sp. n., herbaceus, spicis axillaribus e foliorum supe-
riorum angulis folio brevioribus, bracteis rhombeo-ovatis acuminatis venosis ciliatis, foliis oblongis
jn acumen obtusiusculum longe attenuatis basi acute in petiolum brevem desinentibus glabriusculis,
caule geniculato basi radicante apicem versus incano et ad genicula compresso, corolla labio superiori
bifido, inferioris laciniis ovalibus obtusis puberulis.—Columbia.

Propinquus est Orthotacto nemoroso, at differt bracteis fere glabris angustioribus basiqne magis cuneatis,
tum spicis axillaribus alternis, nec una primitus terminali accedente subinde et altera laterali. Folia tenuia,
flaccida ; inferiora 7-8 poll. longa, 2 poll. lata; superiora 4-5 poll. longa, 1} poll. fere lata.

673. ERaAntHEMUM cordatum, Nees ab E., sp. n., foliis ovali-oblongis in acumen obtusum
attenuatis basi anguste cordatis subrepandis glabris (tenuibus), spica terminali simplici rhachi
cauleque superne puberulis, floribus glomeratim simpliciterve oppositis approximatis, bracteis subu-
latis brevissimis, corollee tubo calyce subglanduloso multo longiore, limbo brevi.—Atacames.

Folia valde tenuia, inferiora (cum petiolo angusto 1-1} poll. longo) 9 poll. longa, 3 poll. lata, basi an
data et ad petioli insertionem emarginata, nonnihil inzequalia, leete viridia, utrinque lineolata. Corolla pollicaris,
angusta, laciniis limbi obtusis (oblongis) vix trilinearibus. Stamina duo, exserta; sterilia nulla, Capsula
virescens, 7 lin. longa, tetrasperma, ungue lorigo.

674. TeTramerium polystachyum, Nees ab E., gen. nov.—Justicie, sp. Auct.—Tiger Island,

Gulf of Fonseca. |

Cuar. Gen.—Calyx parvus, quadrifidus, laciniis equalibus, bracteolatus. Corolla tubuloso-
infundibuliformis, profunde et inaequaliter quadrifida, laciniis angustis, altera lacinia magis ad alterum
latus conversa. Stamina duo, prope a faucibus inserta; antherarum locelli paralleli, contigui, basi
mutici. Stigma obtusum. Capsula bivalvis, bilocularis, basi brevi spatio compressa et unguiculata,
commissura valvularum plana, apicem versus depressa, dorso valvalarum Angusto plano, tetrasperma.
Dissepimentum maturo fructu a dorso valvularum earumque parietibus basi solutum brevi spatio,
quoad retinacula ei inserta sunt, unci ad instar reflectitur. Semina diacoidea, papillosa, retinaculis
acutis suffulta, Inflorescentia: spicee in ramulis axillaribus terminales, bracteata, quadrifarie,
Flores sub singula bractea 2-3, sessiles. Bracteze late, herbaceze. Bracteolze laciniis ealycinis re
Corolla parva, tenera, pallida.—Fruticuli Mexicani et insularom Indiz occidentalis, ramosi, poly-
stachyi, foliis mediocribus petiolatis, bracteis plus minus ciliatis. !

148 BOTANY OF THE VOYAGE OF THE SULPHUR.

T. polystachyum, caule ramosissimo petiolisque patenti-hirsutis, foliis ovatis basi obtusis apice attenuatis,
spicis in ramulis brevibus axillaribus oppositis terminalibus, bracteis oblongo-ovalibus mucronatis.—Frutex 1-2-
pedalis, dense ramosus, patenti-hirsutus, incanus, infra genicula alternatim compressus ; rami inferius genuflexi.
Folia (ramorum) inferiora, cum petiolo 4-5 lin. longo angusto hirsuto, 13-2 poll. longa et 6-8 lin. ad basin lata,
hine apicem versus attenuata, apice obtusiusculo, ciliata, subrepanda, tenuia, ramis costalibus 4-5 subtus hirtis ;
folia superiora et bractealia infra spicas minora, magis lanceolata. Spicze cum ramulo suo folio breviores, ovales,
foliorum rami summo pari suffulte. Bractee 4 lin. longe, obtusee cum mucrone, dorso et margine hirsute,
tri-vel obscure 5-nerves, flavo-virides. Bracteole calyce longiores, lanceolate, ciliatee (3 lin. longe). Calycis
quadrifidi laciniee subulate, ciliate, 1 lin. longe. Corolla 6 lin. longa, pallida, tubo gracili, limbi laciniis
lanceolato-linearibus obtusis patentibus, una remotiori. Stamina parum exserta, antheris linearibus basi param
ineequalibus. Ovarium ovale. Fructum non observavi.

675. TeTRAMERIUM nervosum, Nees ab, E., sp. n., (Plate XLVIII.), caule ramose bifariam
piloso, foliis ovatis acuminatis longe petiolatis supra parce pilosis (nec lineolatis), spicis in ramulis
brevibus axillaribus alternis adscendentibus tetragonis, bracteis arcte incumbentibus ovatis mucro-
nato-acutis villosis ciliatisque venoso-quinquenervibus.— Puna, near Guayaquil.*

Caulis et rami graciles, laxi, ad genicula compresso-tetragoni, cortice brunneo confertim griseo-punctato.
Folia cum petiolo 3-4 poll. longo hirto 23-23 poll. longa, circa basin 10-12 lin. lata, hinc attenuata, basi obtusa,
supra raris pilis conspersa, subtus ad costas et in margine scabra, ramis costalibus 5 debilibus. Spice ratione
ramorum crassx, sepe incurvee, 1-14 poll. long. Bractece virides, basi brevi spatio contracte et pallide,
longis villis ciliates, 4 lin. longee, 3 lin. late. Calyx cum bracteolis lin. 1 longus, laciniis lanceolato-subulatis
mollibus longe ciliatis haud ad basin divisis, Corolla 5-6 lin. longa, laciniis linearibus ? (incompletis in nostro
specimine.) Capsula bilinearis, pubescens, pallida. Semina matura fusca, grosse tuberculata. Tertia hujus
generis species est J. racemulosum (Justicia racemulosa, Wikstr.)

Plate XLVIIL. fig. 1 bud ; fig. 2, stamen; fig. 3, ovary; fig. 4, summit of the style; fig. 5,
capsule ; fig. 6, seed; fig. 7, embryo; fig. 8, bud of J. polystachyum: fig. 9, expanded flowers of 7.
polystachyum ; all magnified.

676. Henrya insularis,+ Nees ab. E., gen. nov. (Plate XLIX.)—Island off the coast of Veragua.

Cuar. Gen.—Flores in capitulo unifloro, bracteis involucralibus duabus altero margine con-
natis altero liberis et igitur rima apiceque bidente dehiscentibus inclusa, dispositi. Calyx quin-
quepartitus, parvus, equalis. Corolla bilabiata, labio superiore latiore usque ad medium bifido,
inferiore bipartito laciniis spathulatis.t Stamina duo; anthere bilocellate, muticee, locellis parallelis
contiguis apice zqualibus basi inzequalibus. Stylus longus, filiformis, apice contortus; stigma com-
Pressum, obtusum. Capsula ab inferiori parte compressa valvularum commissura plano-contigua
asperma, apicem versus incomplete bilocularis disperma, dissepimento angusto basi cum retinaculo
suo uncinato obtuso brevi spatio solubili uncinatim reflexo, Semina plano-convexa, dorso setosa,

ventre pubescenti-scabra. Inflorescentia: involucra in ramis oppositis cauleque terminali spicata,

* Amongst the specimens not seen by Professor Nees are some of a narrower leaved variety from Tepic.
aie + Amatus Henry, instituti lithographici academici Bonnensis Possessor, Academize Leopoldino-Carolinee
— Nature Curiosorum Bibliothecarius, tum dissertationibus suis de gemmarum plantarum structura tum
__stylo artificiosissimo de scientia nostra ut qui maxime meritur est. (N. ab E.)
ae ¢ In the H. insularis, I find rather a quadrifid corolla, the lobes all spathulate, nearly equal in length, and
: slain the upper one rather broader and the style blunt, but shortly two-lobed at the apex (G. Bentham). |

WESTERN TROPICAL AMERICA. 149

opposita, bracteis parvis suffulta——Frutices Americe meridionalis, ramis elongatis involucrisque
glanduloso-pilosis, foliis ovatis ovalibusve petiolatis subhirsutis minus glandulosis, spicis longis, invo-
lucris distantibus, bracteis involucro multo minoribus oyato-subrotundis mucronatis. | Genus inter-
medium inter Hypoestem et Diclipteram, et maxime id quidem insigne eo, quod involucrum bivalve
Dicliptere hic veluti in utriculum oblongum apice bidentatum coalescit, neque vera eum ab omni
latere, sed ab altero margine tantum clausum, ab altera parte vero discretis marginibus rima apertum.

H. insularis, involucris acutis, caule inferne tereti superne tetragono.—Foliorum lamina 4 poll. longa,
utrinque acuta, integerrima, pilosa, nitida, viridis, costis senis parum prominulis; petiolus pollicaris, piloso-
glandulosus. Racemi circiter tripollicares, laterales oppositi arcu incurvi. Involucra 4} lin. longa, obconoidea,
apice bidentata, pubescenti-glandulosa. Calyx vixlin. 1 longus. Corolla tenera, infundibuliformis, 3 lin. longa.
Stamina limbum 14-2 lin. longum equantia, erecta. Stylus longior. Capsula 3 lin. longa, straminea, glabra.
Seminum sete dorsales statu humido stricte, in sicco corrugate, laxe, lanam referentes; constant singule e
pluribus cellis elongatis conjunctis, in quibus hine inde fibre spiralis vestigia vidisse puto; cellule interiores
obscuriores sunt quam relique. In superficie setarum sub inde denticuli prominent.

Plate XLIX; fig. 1, involucre; fig. 2, flower; fig. 3, corolla cut open; fig. 4, ovary; fig. 5,
summit of the style; fig. 6, capsule; fig. 7, seed; fig. 8, embryo; all magnified.

677. Henrys Barclayana, Nees ab E., sp. n., involucris obtusis, caule quadriquetro.—
Manzanilla Bay.

Folia brevi-petiolata. Involucra densissime pubescenti-glandulosa, apice obtusa, scil. foliolis conjunctis
haud mucronatis sed apice rotundatis.

678. BLecHUM Linnei, Nees ab E.—Panama to Guayaquil.
679. Dicurptera multiflora, Humb. et Kunth.—Guayaquil.

680. Dicurprera confinis, Nees ab E., sp. n., caule sexangulari glabro novello sparsim piloso,
foliis oblongis acuminatis basi acutis longe petiolatis utrinque lineolatis glabris, floram umbellis
sessilibus in spicam terminalem foliosam transeuntibus, bracteis late ovatis cuspidato-acuminatis
glabris ciliatis trinervibus nervis lateralibus trifidis——Guayaquil.

Differt a D. peruviana caule fere glabro nec nisi pilis raris adsperso, foliisque angustioribus et bracteis,
preeter harum cilia, fere omnino glabris. An var. ?

681. Dicurprera unguiculata, Nees ab E., sp. n., caule geniculato obsolete angulato apicem
versus pubescentia brevi reversa scabro, foliis ovatis utrinque acutis longe petiolatis lineolatis margine
hispido-scabris, florum umbellis sessilibus axillaribus vel in spicas axillares terminalemque compactis,
bracteis inaequalibus scabris ciliatis trinervibus, superiori suborbiculari aristato-cuspidata basi longe
cuneiformi, inferiori duplo minore spatbulato-lineari truncata aristato-cuspidata.— Guayaquil.

Caulis videtur procumbens et diffusus; valde est geniculatim flexus, inferne glaber et fere teres. Folia
cum petiolo semipollicari 2-8 poll. longa, 1-1} poll. lata, acumine arguto predita et basi etiam acnta,
Bracteee basi lutez, subtilissime pubescenti-scabree, mucrone longo setaceo cuspidate, ciliate ; superior 5 lin,
longa, inferior 8 lin. etea arcte incumbens. An eadem ac D. pilosa H. et Kunth. ? repugnant autem “ bractee:
villose,” et in descriptione: ‘‘tres, quarum laterales lineari-subulate,” missa omnino bractea inferiore, que
singulari sua structura oculos effugere nequibat.

150 BOTANY OF THE VOYAGE OF THE SULPHUR.

LaBIAT.

682. Hyprts capitata, Jacq.—Benth. Lab. p. 104.—Acapulco.

683. Hyrris (Cephalohyptis) florida, sp. n., herbacea, erecta, glabriuscula, foliis petiolatis
ovatis vel ovato-lanceolatis acuminatis obtusiusculis irregulariter crenatis basi cuneatis, pedunculis
capitulo demum subgloboso dense multifloro longioribus, bracteis numerosis oblongo-lanceolatis’
obtusis coloratis exterioribus capitulo longioribus, receptaculo vix pilosulo, calycis florentis tubu-
loso-campanulati dentibus e basi lanceolata subulatis rigidis hirtellis tubo. suo longioribus.—
Guayaquil.

Affinis H. involucrate, H. capitate, et. H. radiate, a priore foliis, ab his bracteis amplis et dentibus
calycinis abunde distincta. Caules elati videntur, tetragoni, ad nodos ciliati, ceeterum glabri. Folia bipollicaria
utrinque viridia, subtus pallidiora, undique glabra, petiolo 6-12 lin, longo interdum minute ciliolato. Folia
superiora angustiora, floralia lanceolata, omnia tamen petiolata. Capitula pauca in racemum laxum disposita,
pedunculis bipollicaribus. Bractez exteriores 6-8 lin. longee, primum patentes, dein reflexee. Receptaculum
dilatatum, concavum. Calycis tubus hirtellus, sub anthesi abbreviatus, dein elongatus, limbus campanulatus,
stibmembranaceus, dentibus basi breviter lanceolatis in setam rigidam 14 lin. longam productis. Corolle
tubus dentes calycinos equans, labium superius breve, lobis latis rotundatis, labium inferius longius, lobis
lateralibus late lanceolatis, intermedia longiore abrupte deflexo orbiculato-concavo subsaccato. Carpidia levia,
ovoidea, in specimine nondum matura.

684. Hypris rhytidea, Benth. Pl. Hartw. p. 21.—Tepic.
685. Hypris polystachya, Humb. et Kunth.—Benth. Lab. p. 119.—Tepic.
686. Hypris spicata, Poit.—Benth. Lab. p. 120.—Tepic.

687. Hypris melissoides, Humb. et Kunth.—Benth. Lab. p. 123. — Var. petiolis longioribus,
pedunculis fasciculatis.— Guayaquil.

688. Hypris suaveolens, Poit.—Benth. Lab. p. 124.—Realejo.
689. Hyrris poetinata, Poit.—Benth. Lab. p. 127.—Panama to Guayaquil.
690, Hypris stellulata, Benth. Lab.-p. 129.—Acapulco.
: 691. Hypris verticillata, Jacq.—Benth. Lab. p. 130.—Panama, Columbia.
692. Sania occidentalis, Sw.—Benth. Lab. p. 244.—Tepie; Tiger Island, Gulf of Fonseca.

693. SALvia (Microsphace) privoides, sp. n., herbacea, caule hispido, foliis breviter petiolatis
ovatis acutiusculis basi cuneatis supra hispidis subtus ferrugineo-vel albido-villosis, fioralibus bractese-
formibus ovatis acuminatis persistentibus, racemis elongatis basi subramosis, verticillastris 2-6-floris ~
remotis, floribus minutis, calycis tubulosi hispidi subglandulosi labio superiore integro lobisque in-
ferioris setaceo-mucronatis, corolla calyee paullo longiore, connectivis postice membranaceo-dilatatis

obtusis connatis, styli lobo superiore acuto, inferiore breviore orbiculato-reniformi.— Gulf of
Fonseca. ? ;

Habitu S. occidentali affinis, sed rigidior et undique hispida. Rami crassi, tetragoni, pilis subreversis

WESTERN TROPICAL AMERICA. 151

undique canescenti-hirti. Folia 1-2-pollicaria, inferiora in petiolum brevem angustata, ovata vel rhombea,
supra medium serrato-crenata, rugosa ; superiora minora, basi latiora; summa basi rotundato-truncata. Racemi
3-6-pollicares. Bracteee (seu folia floralia) ovato-lanceolate, setaceo-acuminate, erectee, 1 vel vix 2 lin. longe.
Calyx sub anthesi 13 lin. longus, fructifer 3 lin., pilis rigidis hispidus aliis glanduliferis intermixtis, Corolla
ei S. occidentalis similis, Stylus glaber, lobo inferiore latissimo. Carpidia ovoidea, huinectata extus gela-
tinosa ; albumen nullum ; cotyiedones ovato-cordate ; radicula brevis, recta, ad hilum spectans.

694. Sarvia (Calosphace, Micranthe) orbicularis, sp. n., fruticosa, humilis, pubescens, foliis
petiolatis orbiculatis crenatis basi late subcordatis utrinque puberulis glabratisque, racemis simpli-
cibus, verticillastris sexfloris longiusculis, calycis hirti subglandulosi labio superiore integro infe-
riorisque lobis vix mucronulatis, corolla calyce subdimidio longiore, connectivis postice subclavatis
connatis, styli glabri lobo superiore brevi acuto, inferiore longiore oblongo-spathulato obtuso.—
Panama.

Fruticulus tortuoso-ramosus. Rami herbacei, adscendentes, vix semipedales, pilis brevibus subreversis
canescentes. Folia pleraque 3 poll. longa et lata, supra glabriuscula vel sparse puberula, subtus pallidiora
presertim ad venas puberula, crebre at minute punctata. Racemi 2-3-pollicares. Bractee (seu folia floralia)
parvee, lanceolate, acuminatee, hispide, decidua. Pedicelli breves. Flores fere S. micranthe. Calyx florens
vix 2 lin. longus, fructifer fere 3 lin. Corolla 3 lin. longa, coerulea, glabra; labium superius abbreviatum,
truncatum ; inferius patens, lobo medio lato emarginato. Genitalia breviter e labio superiore exserta. Car-
pidia humectata extus dense gelatinosa. Embryo 8. privoidis. Species 8. micranthe proxima, sed imprimis
caule frutescente, racemo densiore aliisque notis dignoscenda.

695. Satvia (Calosphace, Brachyanthe) prasiifolia, sp. n., suffruticosa? ramis gracilibus her-
baceis bifariam puberulis, foliis petiolatis ovatis acutis subinciso-serratis basi rotundato-truncatis
cuneatisve membranaceis glabriusculis ciliatis, racemis brevibus, verticillastris sub-6-floris, calyce
membranacei piloso-hispidi labio superiore lato integro, inferioris lobis mucronato-acutis, corolla
calyce duplo longiore tubo superne ventricoso labio superiore erecto villoso inferiore lato patente,
styli superne pilosuli lobis acutis, superiore elongato.—Tepic.

Specimina adsunt sesquipedalia, divaricato-ramosa, herbacea, sed rami videntur plante basi lignose.
Folia distantia, tenuia, 1-13-pollicaria, grosse et profunde serrata, basi integerrima, supra glabra, subtus
interdum ad venas pilosula, margine ciliata, punctis in pagina inferiore minutissimis vix conspicuis. Racemi
pauciflori, subtripollicares vel in ramulis lateralibus brevissimi. Bractee (seu folia floralia) parvee, decidue.
Calyx florens 24 lin. longus, fructifer 3-4 lin. Corolle ccerulee tubus infra faucem ampliatus, ad faneem
contractus; galea concava, integra, obtusa, 2 lin. longa; labium inferius paullo longior, lobo medio latis-
simo emarginato.

Allied to S. gracilis and S. membranacea, but easily known by the deep teeth
of the leaves, something like those of Elsholtzia incisa.

696. SauviA membranacea, var. 8., acuminata, Benth. Lab. p. 259.—Guayaquil.

697. Satvra Cruckshanksii, Benth. Lab. p. 261.—Huamantango. a

698. Satvza scorodonia, Poit.—Benth. Lab. p- 264, var. foliis subsessilibus brevibus.—Man-_
zanilla Bay; Tepic.

699. Satvia (Calosphace, Brachyanthe) thyrsiflora, sp. n., fruticosa? ramis pubescentibus,
foliis petiolatis ovato-lanceolatis obtusis basi rotundatis rugosissimis subtus albo-tomentosis, floralibus

152 BOTANY OF THE VOYAGE OF THE SULPHUR.

parvis deciduis, cymis evolutis laxae dichotomis in thyrsum terminalem dispositis, calycis glanduloso-
pubescentis labio superiore integro lobisque inferioris acutiusculis, corolla calyce vix duplo longiore,
stylo antice barbato, lobo superiore longo tenui, inferiore a latere compresso incurvo acuto.—
Tepic.

Affinis S. scorodonie, foliis fere S. inconspicuw, sed ab omnibus inflorescentia distincta. Rami adsunt
sesquipedales, obtuse tetragoni, pube brevi subreversa canescentes. Folia pollicaria, 4-5 lin. lata, supra
rugosissima et rigide puberula, margine crenata, subtus pube implexa densa vestita, superiora decrescentia,
distantia. Thyrsus 3-6-pollicaris, simplex vel basi ramosus, multiflorus. Cymee omnes (in hac sola specie
inter omnes Calosphaceis a me cognitis) pedicellatee, laxe dichotome, inferiores in pedunculo semipollicari circa
20-floree, superiores brevius pedunculate: pauciflore. Pedunculi, rami et calyces pube glanduloso-viscosa et
pilis nonnullis patentibus vestiti. Calyx vix 3 lin, longus, fructifer paullo auctus, herbaceus, tubulosus,
striatus, superne parum dilatatus, lobis brevibus latis. Corolle (coeruleee ?) tubus ventricosus, vix exsertus,
ad faucem contractus ; galea erecta, obtusa, pubescens; labium inferius patens, lobo medio obcordato. Anthere
galea breviores; connectiva postice parum dilatata, obtusa, connata. Stylus seepius breviter exsertus, lobo
superiore tenui acutissimo revoluto, inferiore cartilagineo verticaliter dilatato incurvo-patente acuto.

700. Sauvra lasiocephala, Hook. et Arn. Bot. Beech. p. 306.—Tepic.

701. Satvia (Calosphace, Membranacez) elsholtzioides, sp. n., (Plate L.) herbacea, erecta, caule
adpresse pilosulo, foliis longe petiolatis ovatis basi rotundato-truncatis cuneatisve membranaceis
pilosulis, verticillastris hemispherico-capitatis multifloris inferioribus remotis supremis approximatis,
foliis floralibus reniformibus membranaceis calyces e-quantibus, calycis membranacei tubulosi labiis post
anthesin clausis, superiori lobisque inferioris lanceolatis acutis, corolla vix calycem superante, con-
nectivis postice triangulari-dilatatis, styli lobo superiore elongato acuto inferiore brevissimo orbicu-
lato-reniformi.—Realejo, Gulf of Fonseca.

Affinis 8, buplevroidi et S. lasiocephale. Caulis sesquipedalis, virgato-ramosus, pilis arcte adpressis parvis.
Petioli graciles, pilosi. Folia 1-2-pollicaria, obtusa vel acuminata, crenata, membranacea, supra sparse et
subtus ad venas pilosula. Verticillastri dense multiflori, ad unum latus dejecti, demum semipollicem diametro,
bracteis membranaceis suffulti, illos Hisholtziw eristate quodammodo simulant. Bractee (seu folia floralia)
orbiculato-reniformes, membranacee, reticulato-venosee, margine ciliate. Calyx 14 vel demum vix 2 lin.
longus, basi glaber, superne a tergo compressus, hispidus, lobis 3 subeequalibus in labia duo dispositis. Corolla
tenerrima, glabra; labium superius galeatum, breve, obtusum ; inferius longius, patens, lobo medio obcordato.
Stylus glaber, subexsertus. Carpidia obcompressa, suborbiculata, non gelatinosa.

Plate L. fig. 1. calyx ; fig. 2. corolla; fig. 3. stamens; fig. 4. ovary and style; all magnified.

VERBENACER.

702. Priva lappulacea, Pers, Syn. 2. p- 139.—Guayaquil.
703. STACHYTARPHETA dichotoma, Humb. et Kunth.—Walp. Rep. 4. p. 5.—Acapulco.

704, VERBENA veronicefolia, Humb. et Kunth.—Walp. Rep. 4. p. 20.—An eadem ac. V. caro-
lintana, Linn. ?—Tepic.

705. Vursena littoralis, Humb. et Kunth, Nov. Gen. et Sp. 2. p. 276. t. 137,—Guayaquil.

WESTERN TROPICAL AMERICA. 153

706. VERBENA littoralis, var.? glabrior, foliis hine inde trifidis grosse et obtusiuscule inciso-
dentatis. An species propria? Folia V. menthefolie, Benth. Pl. Hartw. p- 21. sed flores parvi
V. littoralis.—Peita.

707. Verbena fasciculata, sp. n., suffruticosa? adscendens, ramosa, hirsutissima, foliis 3-5-
partitis, segmentis lanceolatis linearibusve integerrimis vel 3-5-fidis, spicis sessilibus vel breviter
pedunculatis densis, bracteis lanceolato-subulatis calyces aequantibus, calycis hirti costati dentibus
setaceis, corollee tubo exserto.—Huamantango.

Affinis V. Aubletiw, sed hirsutior et folia diversa, Caulis basi lignosus videtur, decumbens, ramis
adscendentibus vel erectis $-1-pedalibus. Folia arcte sessilia, usque ad basin dissecta et sic quasi verticillata,
Juniora in axillis fasciculata ; segmenta majora 14-2-pollicaria, 2 lin. lata, alia minora et multo angustiora,
omnia acuta. Calyces et bracteee V. Awbletia, sed spica brevior et corolle minores, tubo calycem param
excedente. Antherarum loculi distincti, latiusculi. Styli lobus superior brevissimus, crasse pulvinato-
stigmatosus, inferior brevis sed pulvinum superans, incurvo-acutus, nudus. Carpidia oblonga, maturitate
sponte secedentia, externe rete elevata venarum rugosa. Seminum testa tenuissima, membranacea; albumen
parcissimum, sed non omnino deesse videtur.

Cuming’s n. 954, from the coast of Peru, appears to be the same plant, with

rather blunter lobes to the leaves.

708. Lippra nodiflora, Rich.—Walp. Rep. 4. p. 49.—Guayaquil.

There are several varieties of this plant in the collection, some of which may
turn out to be distinct species, but the characters upon which the several species of
Lippia and Lantana are made to rest are at present so vague and uncertain, that
it is exceedingly difficult to determine them, and even the number of genera into
which the very numerous species should be distributed must remain very doubtful
until the whole shall have been worked up systematically. This task has, it is
understood, been undertaken by Professor Schauer, for De Candolle’s Prodromus.
In the mean time, I have considered the three genera Lippia, Lantana, and
Camara as distinguished by the fruit, as stated in Taylor’s Ann. Nat. Hist., v. 2,
p. 446, 447.

709. Liepta asperifolia, Rich. ex Hook. et Arn. Bot, Beech. p. 442.—Lantana lippioides, Hook.
et Arn. Bot. Beech. p. 305.—Manzanilla Bay; Realejo.

710. Lxppra geminata, Humb. et Kunth ex Hook. et Arn. Bot. Beech. p. 442.—Realejo.

711. Lirpra cardiostegia, sp. n., strigoso-puberula, foliis ovatis serrato-crenatis basi cuneatis
utringue scaberrimis, pedunculis in axillis pluribus folio brevioribus, bracteis cordatis acuminatis,
exterioribus flores superantibus, calyce obcompresso bifido bicarinato, carinis pilosis——Gulf of

Fonseca.

Fratex videtur, ramis elongatis tenuibus, pube parca strigosa scabris. Folia 2-3 poll. longa, 1-1} poll.
lata, acuta vel obtusa, crenaturis obtusis vel acutatis, basi breviter vel longius angustata, membranacea, parum
rugosa, utrinque viridia et scaberrima, pilis brevissimis rigidis in pagina superiore e tuberculis ortis, in
inferiore presertim secus venas dispositis. Pedunculi in axillis seepius gemini, graciles, longitudine varii,
rarius tamen pollicem excedentes. Capitula subglobosa vel demum parum elongata, circa 4 lin. diametro.

RR

154 BOTANY OF THE VOYAGE OF THE SULPHUR.

Bracteee imbricatee, apice patentes, late cordate, acuminato-acutiusculee, membranacez, puberule, exteriores
2 lin. longee, interiores paullo minores. Calyx per anthesin 3 lin. longus, lobis divergehtibus acutiusculis raro
bidentatis, carinis dorso longiuscule et dense pilosis, demum bipartitus, undique puberulus. Corolle infundi-
buliformis tubus glabriusculus, 14 lin. longus, superne paullo ampliatus, limbus patens, obliquus, 4-fidus, tubo
multo brevior, extus apiceque intus puberulus. Fructus late obovoideus, obcompressus, glaber, exsuccus (?),

sponte bipartibilis.

712. Lrppra myriocephala, Cham. Schl.—Walp. Rep. 4. p. 52.—Consul’s garden at Puna, near
Guayaquil.

This is the same form as Galeotti’s Vera Cruz specimens, n. 775. The speci-
mens referred to this species by Hooker and Arnott, Bot. Beech., p. 305, belong
to a very distinct and probably unpublished species.

713. Lantana salviefolia, Jacq.?—Walp.? Rep. 4. p. 64.—Consul’s garden, Puna, near
Guayaquil.

714. Lanrana, near L. érifolia, Linn. and L. celtidifolia, Humb. et Kunth, but less hairy with
larger bracts.—Realejo.

715. Camara vulgaris.—Lantana camara, Linn.—Acapulco, Realejo.
716. Camara tiliefolia— Lantana tiliefolia, Cham. Schl. Linnea, 7. p. 122.—Guayaquil.

717, 718. Camara, sp. from Tepic, and another from the Gulf of Fonseca, neither in a state
to determine accurately.

719, Duranta Plumieri, Jacq.—Walp. Rep. 4. p. 79.—Tumaco, Salango, Atacames.—Several
varieties, especially as to the form of the leaf, but the specimens mostly very much injured.

720, CITHAREXYLUM, near C. spinosum, Humb. et Kunth, but in a very bad state.—San
Pedro.

721. Merpura glomerata, sp. n., undique tomentoso-villosa, foliis ovatis longe acuminatis basi
rotundatis, cymis in capitula confertis in axillis superioribus subsessilibus, calyce obovoideo apice
breviter fisso quam corolla paullo breviore.—Salango.

Rami teretes vel ad nodos compressi, pube subferruginea dense vestiti. Folia breviter petiolata, 8-10 poll.
longa, subcaudato-acuminata, integerrima, infra medium 3-33 poll. lata, utrinque molliter villosa, superiora
minora angustiora densius lanato-villosa. Pedunculi axillares, oppositi, 1-2 lin. longi; cyme multiflore
eapitula formant subglobosa. Bractew subulate, calyces gequantes vel exteriores longiores. Calyces in
cyma subsessiles, 2-23 lin. longi, basi contracti, superne inflati, dense villosi, apice in dentes 2-4 irregulariter
et breviter fissi. Corolla vix calycem excedens, infundibuliformis, tubo brevi intus extusque tomentoso,
limbo campanulato glabro semi-4-fido, lobis oblongis obtusis, estivatione valde imbricatis, uno exteriore.
Stamina breviter exserta (?) glabra; anthere majuscule oblongee. Stylus staminibus brevior semibifidus.
Ovarium minutum, glabrum. Ovula in ovariis paucis a vermibus non lesis imperfecta fuerunt.

722. Hosta longifolia, Humb. et Kunth?—Walp.? Rep. 4. p. 81.—Folia 6-8 poll. longa,

2-4 poll. lata. Panicula interdum pedalis, minute cano-tomentella nec hirsuta ut in H. grandifolia,
Schlecht—Tumaco, Salango.

723. Virex gigantea, Humb. et Kunth.—Walp. Rep. 4. p. 85.—Folia juniora supra sparse

WESTERN TROPICAL AMERICA. 105

pilosula. V. cymosa, Bertol. vix ab hac differre videtur, nec longe distat V. cujabensis Mart, tomento
densiore in pagina inferiore vestita.—Guayaquil.

724. Virex lasiophylla, sp. n., ramulis ferrugineo-villosis, foliolis subternis oblongis obtusis
utrinque molliter villosis lateralibus minoribus nunc minimis vel nullis, cymis axillaribus dichotomis
villosis folio brevioribus.— V. mollis, Hook. et Arn. Bot. Beech., p. 305, non Humb. et Kunth.—
Manzanilla Bay.

Frutex? Ramuli juniores pube densa ferruginea obtecti, annotini glabrati. Petioli subpollicares.
Foliola subsessilia, terminale 2-3 poll. longum, vix pollicem latum vel sepius angustius, basi rotundatum vel
breviter cuneatum, subcoriaceum, etiam vetustius villosum, nec unquam glabratum vel nitidum, lateralia nunc
dimidio breviora, nune vix 2-3 lin. longa vel plane nulla. Pedunculi petiolo subeequilongi, bis terve divaricato-
ramosi, uti rami et calyces molliter villosi. Bracteee parve. Pedicelli brevissimi. Calyces per anthesin linea
paullo longiores, truncati, minute 5-dentati, fructiferi aucti, cyathiformes. Corolla in specimine imperfecto
calyce subtriplo longior videtur.

725. AvicennIA Meyeri, Miq. Linnea, 18. p. 264.—Guatemala to Guayaquil, not uncommon,
always in salt water—Probably a mere narrow-leaved variety of A. tomentosa; yet the several
forms of this plant are said to differ much in stature and aspect, and require further examination
as to flowers and fruit, generally very imperfect in the specimens preserved in herbaria.

LENTIBULARIER.*

726. Urricunartia aphylla, Ruiz et Pav.—A. DC. Prod. 8. p. 17.—Guayaquil.
727. Pineuicuwa lilacina, Cham. Schlecht.—A. DC. Prod. 8. p. 31.—Realejo.

PLUMBAGINER.

728. PuumBaco scandens, Linn.—Mexico to Guayaquil.

NYCTAGINER.

729. Mrrasiuis jalapa, Linn.—Realejo.

: 730. Bouvoa lanceolata, Lag.—Reem. Schult. Syst. 1. p. 522.— Salpianthus arenarius, Humb.
et Bonpl. Pl. Aq. 1. p. 153. t. 44.—Acapulco.

731. Boupoa ovatifolia, Lag. ex charactere nimis brevi in Reem. Schult. Syst. 1. p. b22.—
Folia ampla, late cordato-ovata. Flores vix lineam longi, glomerati, glomerulis paniculatis.—Tepic.

732. Borrwaavia polymorpha, A. Rich.—supra p. 43.—Guayaquil, Huamantango.

* Omitted above, p. 123.

156 BOTANY OF THE VOYAGE OF THE SULPHUR.

This common American form is the one described by Miquel, Linnea, 18,
p- 244, under the name of B. surinamensis. We have it from numerous localities,
extending from the Southern United States and Mexico to Brazil and Peru, and
the species, including probably B. erecta and B. decumbens of Linneus, appears
to extend over the islands of the Pacific, perhaps even to East India. It is gene-
rally smooth, or nearly so, with the exception of a few long hairs on the margins of
the leaves; the panicle has very numerous slender branches; the flowers are
solitary, or three or four together on very short pedicels; the fruit angular,
turbinate, from a line to a line and a half in length, and very variable in the
degree of glandular pubescence; the perigon red, campanulate, and small, and
very different in this respect from that of B. scandens, B. repanda, and B. litioralis,
in which it is infundibuliform, with ratheralongtube. The bractes in Boerhaavia
are not more decidedly collected into an involucre than in Pisonza, although on
account of a supposed difference in this respect, the two genera are placed by
Endlicher and others in different subdivisions of the order Nyctaginee.

733. BomrHAAavia viscosa, Lag.—Vahl. Enum. 1. p. 288.—Guayaquil.

This is very near to B. polymorpha, but the leaves are broader and more
blunt, the whole plant thickly clothed with a viscid down, and the flowers crowded
into a few dense heads.

AMARANTHACES,

734. Inestne celosioides, Linn. var. eriophylla, foliis inferioribus novellisque subtus dense albo-
lanatis, caule basi tomentello. Folia superiora, panicula et flores omnino forme vulgatioris.—
Realejo.—Ejusdem var. glabra.— Tiger Island, Gulf of Fonseca.

735. IRestne interrupta, sp. n., foliis lanceolatis acutis cauleque glabris, panicule ramis divari-
catis, spicis secus ramulos ultimos subsessilibus parvis ovato-globosis.—Tepic, Acapulco.

Rami elongati, graciles, leves. Folia 2-3-pollicaria, vix semipollicem lata, superiora multo minora, basi
-rotundato-cuneata, petiolata. Panicula ampla, bis terve ramosa, glabra vel rarissime puberula, Spicule
1 liv. vel vix 14 lin. longs, sessiles vel breviter pedicellatee, floribus 6-12 parvis arcte sessilibus. Bractee 3,
perigonio duplo breviores. Perigonium vix semilineam longum, pilis paucis longis laxissimis sublanatum.

Filamenta 5, libera, additis inter filamenta squamulis 5 brevibus latis hyalinis. Ovarii rudimentum effeetum.
Flores fcemineos non vidi.

736. HepantuE? parviflora, sp. n., foliis ovali-oblongis acuminatis novellis pubescentibus

demum cauleque glabris, panicula floribunda pubescente, cupulz staminez lobulis sterilibus 5 bre-
vissimis rotundatis,

Habitu Hebanthi paniculate et Iresini grandiflore, Hook. simillima et vix nisi Genitals parvis et cupula
staminifera differt. Folia 2-3 poll. longa, pollicem lata, petiolata, basi cuneata, crassiuscula, inferiora omnino

WESTERN TROPICAL AMERICA. 157

glabra, ramealia et juniora in specimine minora, subtus preesertim pilis appressis pubescentia. Panicula ampla,
gracilis, foliata; rami primarii oppositi, superiores seepe ad utrumque latus gemini vel terni, longior scilicet ad
axillam brevioris insertus, nec verticillati. Bracteze minute, uti ramuli pubescentes. Flores seeus ramulos
ultimos 3-6 lin. longos spicatim dispositi, sessiles, subdissiti, lineam longi. Bracteee 3, ovate, perigonio
dimidio breviores. Perigonii lacinie glabree, exceptis pilis exterioribus e basi perigonii ortis, qui per anthesin
flore breviores sunt, in fructu tamen perigonium longe superant. Filamenta fertilia perigonio breviora, non
ciliata, oriuntur e crenis cupule ovarium eequantis. Ovarium depresso-globosum, basi attenuatum. Stylus
(vel si mavis stigma) brevissimus, capitato-bilobus, crassiuscule stigmatosus.

The characters derived from the stamens would place this plant nearer Troms-
dorffia than Hebanthe, but the habit is totally different. I should have considered
it as the same as IJresine grandiflora, Hook. Ic. Pl. t. 102, but that the stamens
are there figured as entirely without intermediate lobes. There is little doubt,
however, but that the latter plant should also be included in Hebanthe, as the
flowers are hermaphrodite, not diwcious as in Jresine.

737. Gompsrena globosa, Linn.—Guayaquil, but, perhaps, not really wild.
738. Gompnrena decumbens, Jacq.—G. celosicides, Mart.—Realejo.

739. BranpEsta pycnantha, sp. n., foliis lanceolatis acuminatis cauleque pilosulis vel demum
glabratis, capitulis compositis dense corymbosis, corymbis paniculatis, bracteis acutis, perigonio laxe
piloso.— Brandesia, sp. n., Hook. et Arn. Bot. Beech. p. 308.—Acapuleco.

Planta ex speciminibus scandere videtur. Rami herbacei, teretes vel obtuse tetragoni. Folia 2-4 poll.
longa, 6-12 lin. lata, utrinque viridia, pilis brevibus raro omnino evanescentibus conspersa. Panicule rami
divaricati, apice corymboso-polycephali, capitulis albidis floribusque quam in B. porrigente majoribus.
Bracteze breves, late, acutee sed non aristate. Perigonii segmenta subeequalia, late oblongo-lanceolata,
concava, acuta, extus pilis longis laxis at vix implexis vestita. Staminum tubus brevis; filamenta sterilia

dilatata, apice fimbriata, quam fertilia paullo longiora. Stylus brevis, apice capitato-stigmatosus.

740. Branvesta pubiflora, sp. n., foliis ovatis acutis utrinque cauleque molliter pubescentibus,
capitulis ovato-globosis pedunculatis sessilibusque solitariis vel subaggregatis, bracteis lanceolatis
acutis, perigonii segmentis hirtis—Guayaquil.

Caulis decumbens videtur, uti folia pilis subappressis mollibus vestitus. Folia breviter petiolata, 1-2
poll. longa, 6-12 lin. lata, summa proportione angustiora, omnia utrinque acuta. Capitula iis Gomphrene
decumbentis minora et pleraque subglobosa, alia ad nodos in pedunculo sesquipollicari solitaria, alia ad basin
pedunculi sessilia vel in pedunculo subramoso aggregata vel interrupte sessilia, omnia in sicco alba. Bractee
perigonio subtriplo breviores. Perigonii segmenta lanceolata, acuta, 24 vel demum fere 3 lin. longa, extus
pilis brevibus mollibus hirta. Tubus stamineus ovarium equans ; filamenta sterilia angusta, apice fimbriata ;
fertilia multo breviora. Stylus brevis, apice capitato-stigmatosus.

741. Branpesta pubiflora, var? glomerata, pube tenuiore, foliis ovatis lanceolatisve 2-3-polli-
caribus, capitulis seepius aggregato-sessilibus, in sicco flavicantibus. An species propria ?—
Guayaquil.

742. Bucnourata frutescens, Mart.—Panama to Guayaquil.

743. Acuyrantuss aspera, Linn.—Tepic; Guayaquil. Probably introduced.

744. Amarantuus spinosus, Linn.—Guayaquil.
TT

158 BOTANY OF THE VOYAGE OF THE SULPHUR.

745. Amarantuus retroflerus, Linn.—Guayaquil.

746. AMARANTHUS scariosus, sp. n., (Plate LI), foliis ovatis longe petiolatis, glomerulis ple-
risque spicatis, spicis superioribus paniculatis, bracteis aristatis perigonium superantibus, staminibus
5, stylis 3-4, perigonio foemineo cum fructu deciduo urceolato basi indurato, segmentis apice scarioao-
dilatatis patentibus obovatis emarginatis.—Tiger Island, Gulf of Fonseca; gathered also in Guate-
mala, by Friedrichsthal.

Habitus et inflorescentia A. retroflexi. Folia pleraque angustiora et acutiora. Bracteze scariosee, 13-2
lin. longee, costa viridi in aristam subpungentem excurrente. Florum dispositio, stamina, styli (hi tamen
interdum 4) et utriculus A. retroflexi. Perigonii masculi segmenta 5, oblonga, obtusiuscula, costa vix
conspicua undique hyalina; foeminei segmenta superne multo patentiora quam in A. retroflexo et —
dilatata, basi in fructu incrassata, et utriculum includens cum illo sub forma urceoli deciduum, segmentis
singulis a medio ad apicem hyalinis scariosis costa virescente tenui percursis.

Plate LI. fig. 1. fasciculus of three flowers, two female and one male; fig. 2. male flower
opened ; fig. 3. female flower opened ; fig. 4. perigon in fruit; fig. 5. acheenium; fig. 6. seed; fig.
7. embryo; all magnified.

747. AMARANTHUS urceolatus, sp. n., foliis ovatis oblongisve longe petiolatis, cymulis axillaribus
summis simpliciter subspicatis, bracteis calyce brevioribus vix mucronatis, staminibus 5, stylis 3,
perigonio foemineo cum fructu deciduo urceolato basi indurato, segmentis spathulatis apice scarioso-
dilatatis patentibus.—Guayaquil.

Habitus, folia et inflorescentia A. polygonoidis. Bractewe parve, acute. Flores et fructus fere A. scariosi,
sed minores. Perigonii masculi segmenta oblonga, mucronata, hyalina; foominei fructiferi segmenta tria
exteriora apice orbiculato-spathulata basi valde angustata, duo interiora apice subsimilia a basi tamen dilatata ;
omnium lamina viridi-venulosa, margine integro vel subcrenulato.

748. Cuamissoa altissima, Sw.—Tepic.
749. Cexosta cristata, Linn.—Guayaquil.
750. Cxxosia paniculata, Linn.—Guayaquil.

751. Crxosta nitida, Vahl? Symb. 2. p.44.—A. C. paniculata parum diversa floribus majoribus

paucioribus, bracteis ovatis acutis nec lanceolatis, perigonii foliolis latioribus. — Between San Blas
and Tepic.

PHYTOLACCACER.
752. Rivina humilis, Linn.—Realejo.

753. Montana secunda, Mart.— Rivina secunda, Ruiz. et Pav.—Rivina inequalis, Hook. Ic. PI.
t. 130.—Salango.

754. Periverta alliacea, Linn.—Mexico to Guayaquil.

The number of hooks to the fruit is, in these specimens, constantly two on

WESTERN TROPICAL AMERICA. 159

each side. In Schomburgk’s Guiana specimens, the number is usually three on
each side, but occasionally one is deficient, which would lead to the supposition

that P. hexaglochin, Fisch and Mey., founded on no other character, may not be
a good species.

755. Puyrouacca octandra, Linn.—Tepic; Manzanilla Bay.

CHENOPODIACEZ.

756. Cryprocanpus pyriformis, Humb. et Kunth, Nov. Gen. et Sp. 2. p. 188. t. 124.—Com-
mon on the skirts of the forest near Guayaquil.—Kunth states that Bonpland observed a third
species of this genus near Guayaquil. The specimens, however, brought by collectors from that
neighbourhood appear all to agree perfectly with the character and figure of C. pyriformis.

757. Cuenopopium murale, Linn.—Guayaquil.

758. AMBRINA ambrosioides, Moc. Chenopod. p. 39.—Guayaquil.

PoLYGONACER.

759. Potyconum acre, Humb. et Kunth, Nov. Gen. et Sp. v. 2. p. 179.— Mexico to
Guayaquil.

760. Potyconum persicarioides, Humb. et Kunth, 1. c.—Guayaquil.
761. CoccoLopa acuminata, Humb. et Kunth, 1. c. v. 2, p. 176.—Isthmus of Darien.

762. Coccoiosa leptostachya, sp. n., glabra, foliis ovalibus obovatisve obtuse et brevissime
acuminatis basi oblique rotundatis coriaceis, racemis elongatis laxis, floribus subternis, bracteis
minimis, bacca coronata (?)—Libertad, in Columbia.

Ramuli lignosi, tortuosi, cortice pallido. Vagina laxe, 3-4 lin. longe, submembranacee, in sicco
brunnee, juniores sub lente minute tomentelle, mox glabratw, oblique truncate, hine breviter fissee, illinc
juniores breviter acuminate et subciliatee, acumine mox obliterato. Petioli 5-6 lin. longi. Folia 3-4 poll.
longa, 2-24 poll. lata, glabra at non nitida, tenuiter coriacea, venis primariis secus costam utrinque 4-6 subtus
prominulis et rete venularum ramosissimo in pagina inferiore eleganter conspicuo. Racemus adest unicus,
8-pollicaris, terminalis, gracilis, fere a basi florifer. Pedicelli vix semilineam longi bracteas duplo superant.
Perigonium per anthesin 1 lin. longum, tubo carnoso ovarium circumdante ; limbus patens, 5-partitus, laciniis
subrotundis tubo paullo longioribus, duabus exterioribus paullo minoribus. Stylus brevis, trifidus, lobis
subulatis brevibus apice incrassato-stigmatosis. Stamina 7 vel 8 ; antherarum loculi discreti. Perigonii tubus
per maturationem increscit et ovario adheret ; laciniw ad apicem ovarii diu persistunt, forte in fructu maturo
@ me non viso deperiunt.

763. Campperta floribunda, gen. nov. (Plate LII.)—Tiger Island, Gulf of Fonseca.

160 BOTANY OF THE VOYAGE OF THE SULPHUR.

Cuan. Gen. Flores hermaphroditi (fere Coccolobze). Perigonium sub-5-partitum, tubo bre-
vissimo, laciniis subeequalibus. Stamina 8. Styli 3. Achzenium triquetrum, carpophoro carnoso
impositum ; perigonii fructiferi tubus immutatus, limbi laciniz auctee, siccae, acheenium includentes.
—Frutex (vel arbor ?) habitu Coccolobe.

C. floribunda. Specimina suppetentia undique glabra. Ramuli leviter striati, cortice cinereo, Vaginee
2-4 lin. longe, oblique truncate, integerrime, glabra, membranaceew, in sicco brunneee. Petioli vagina
breviores vel paullo longiores. Folia alterna, obovali-oblonga, 3-5 poll. longa, 1-2 poll. lata, obtusa, infra
medium inzequaliter angustata, basi oblique obtusa et interdum emarginata vel brevissime peltata, coriacea,
rete venularum utrinque prominulo. Racemi 3-5-pollicares, a basi densiflori. Bracteze scariosw, obtuse,
1-14 lin. longee. Perigonium per anthesin 1 lin. longum, laciniis orbiculatis patentibus. Stamina perigonio
breviora ; filamenta basi brevissime connata, disco staminifero cum basi perigonii adnato; antherarum loculi
discreti. Styli apice capitato-stigmatosi Achenium immaturum tantum vidi triquetrum, crustaceum,
albidum, inclusum intra perigonii limbum jam duplo auctum at consistentia vix mutatum, tubo cum
carpophoro crasso carnoso connato.

This plant, when in flower, is certainly very much like a true Coccoloba, but
the fruit, unripe as it is in the specimens gathered, has certainly not the essential
character of that of Coccoloba, the adherence to a fleshy perigonium. I have,
therefore, been under the necessity of establishing it as a new genus, which I have
great pleasure in dedicating to the author of a monograph of Rumex, with some
observations on other Polygonee, published at Montpellier in 1819. Of the two
genera which have been already intended to be named after him, one proved to
be the Vellosia of Vandelli, the other is the Kundmannia of Scopoli.

Plate LIl. fig. 1. perigon opened, showing the stamens; fig. 2. ovary; fig. 3. young fruit,
enclosed in the perigon; fig. 4. the same, with the perigon opened out; fig. 5. section of the young
fruit; fig. 6. arrangement of the parts of the flower; all magnified.

764, Triptaris Cumingiana, Fisch. et Mey. in C. A. Mey. Bemerk. Polyg. p. 14.—The under
surface of the leaves is less pubescent, the axils of the veins more frequently bearded, and the inner.

segments of the perigon rather longer than in Cuming’s plant, but it appears to be the same
species.—Columbia.

765. Poporrerus mezicanus, Humb. et Bonpl. Pl. Auq. 2. p. 89. t. 107.—Manzanilla Bay.
766. AntiGoNon leptopus, Hook. et Arn. Bot. Beech. p- 308.—Supra, p. 47.—San Blas.

OLACACES.

767. XIMENIA americana, Linn.—Veragua,

SANTALACER.

: 768. QuiINcHAMALIUM chilense, Lam.—Huamantango.

WESTERN TROPICAL AMERICA, ‘ 161

LAURACER.

769. Nectanpra (Porostema) glabrescens, sp. n., foliis elliptico-oblongis sublanceolatisve
‘acuminatis basi acutis venoso-costatis, junioribus subtus puberulis axillis venarum barbatis, adultis
glabris, paniculis axillaribus folio subbrevioribus ramis 2-3-chotomis, ramulis novellis floribusque
canescenti-puberulis, filamentis staminum exteriorum subnullis, bacca globosa? — Ocotea salicifolia,
Hook. et Arn. Bot. Beech. p. 309. vix Humb. et Kunth.—San Blas, Realejo, Acapulco; and a
narrow-leaved variety from Tepic.

Arbor 30-40-pedalis. Ramuli juniores angulati, pube brevissima pulveraceo-canescentes, demum teretes
glabrati. Folia forma varia, nunc 7-8 poll. longa, 24 poll. lata, nune 5-6 poll. longa, 1-14 poll. lata, vel
superiora minora et proportione angustiora, juniora subtus pube brevi in costa evidentiore conspersa, et in
axillis saltem inferioribus venarum costalium barbata, adulta utrinque seepius glabrata, opaca vel rarius nitidula,
concoloria ; venee costales prominentes utrinque 5-8, plereeque simplices, prope marginem in rete evanescentes.
Panicule in axillis superioribus dispositi, a dimidium ad duas tertias folii attingunt, plereque a medio ad
apicem floriferee, ramulis alternis brevibus divaricatis cymoso-5-15-floris. Perigonium rotatum, 4 lin. diametro,
laciniis late obovatis parum inzequalibus crassiusculis. Anthere perigonio multo breviores, exteriores 6 reni-
formes, fere sessiles, locellis prope basin in arcum dispositis; stamina tertii ordinis duplo longiora, filamento
distincto crasso predita. Glandule majuscule, distinctee. Staminodia quarti ordinis oblonga, obtusa, Fructus
pedicellus semipollicaris; cupula truncata fere 3 lin. diametro; bacca unica adest, pressione deformata, sed

globosa videtur, magnitudine Cerasi minoris.

This agrees in many respects with N. sanguinea, N. japurensis, and N. tur-
bacensis, but the anthers are different in shape from those described by Nees of
either of the two first species, and the glands are not confluent as they are said to
be in N. turbacensis; the staminodia are also more distinct, and the berry appears
to be globular. The Nectandre are, however, many of them so much alike, as to
make it very difficult to characterise them in words.

PROTEACER.

770. RuopaLa complicata, Humb. et Kunth, Nov. Gen. et Sp. 2. p. 153. t. 119, scarcely differ-
ing from R. montana, Br.—A small tree growing on a very stony mountain in the Isle of Taboga,
Bay of Panama.

EvuPHORBIACEE.

771. Porsertia pulcherrima, Grah, in Bot. Mag, t. 3493.—Central America.
972. Evesorsia dioica, Humb. et Kunth, Nov. Gen. et Sp. 2. p. 53. var. — San Blas
‘to Tepic.
uv

162 BOTANY OF THE VOYAGE OF THE SULPHUR.

This plant differs from Kunth’s description, in that it is certainly mone-
cious, not dicecious, as observed by Klotzsch (Lond. Journ. Bot. 2, p. 42), but
the involucra are generally aggregate as described by Kunth, not solitary as
stated by Klotzsch, and in these specimens they are smaller, with very much
smaller coloured lobes than in Schomburgk’s specimens. The species, though
variable, and very common from the Southern United States and Mexico to
Brazil, appears to be constantly distinct from all the European and Asiatic
species allied to E. chamesyce, but is probably the same as FE. depressa, Torrey,
and if so, the latter name might be substituted for the erroneous one of dioica.

773. Evpnorsta (Aggregate, Procumbentes, Stipulate), anceps, sp. n., suffruticosa, procum-
bens, ramis compressis bifariam villosis, foliis sessilibus semicordatis oblongo-rhombeis crenulatis,
capitulis axillaribus densis folio brevioribus, involucri compressi dentibus 2 parvis, 2 appendicifor-
mibus semicordatis erectis intus glanduliferis—E. ocymoides, Hook. et Arn. Bot. Beech. p, 310. non
Linn.—Realejo.

Caules e basi lignosa ramosissima 4-6-pollicares vel paullo longiores, parum ramosi, ramis valde compressis,
faciebus striatis, angulis pilis patentibus insigniter villosis. Stipule utrinque gemine, subulate. Folia opposita,
4-6 lin, longa, 2-3 lin. lata, valde obliqua, crassiuscula, obtusa vel rarius oblique acutiuscula, obscure 2-3-
nervia. Spice in axillis superioribus solitarice, vel (rhachi basi ramosa) fasciculate, oblonge vel subglobose,
sepius foliis 2 parvis suffulte. Bractesee intra spicam membranacee, lanceolate vel subovate, involucri
dentibus breviores, cum involucris imbricate, margine longe ciliato-fimbriate, rarius herbaceze involucra
superantes.. Involucra in axillis bractearum solitaria, subsessilia, magnitudine HL. piluliferw, pilosula, com-
pressa ; dentes 2 brevissimi subulati; appendices laterales involucro ipso longiores, longitudine tamen varie,
erecte et arcte apposite, ita ut appendicem simulant unicam cordiformem obtusam medio biglandulosam.
Bracteole intra involucrum parve, setacex. Pedicelli sepius glabri. Capsula undique pilosa vel hine glabra.
Styli subulati, apice breviter bifidi. Semina foveolata. Cseterum variat caulis faciebus foliisque. glabris vel
pubescentibus, spicis magis minusve pilosis, bracteis in spica omnibus membranaceis brevibus vel foliaceis
majoribus (spicis tune iis Majorane subsimilibus),. involucri appendicibus albis rubentibusve, majoribus vel

minoribus etc.

774, Evrnorsta pilulifera, Linn.—Mexico to Guayaquil.

775. Evpnorsta hypericifolia, Linn.—Mexico to Guayaquil, with a very hairy variety
from Peita.

_ 776, Evrnorsta nudiflora, Lam. Dict. 2. p. 426.—Acapulco.

pate ve F Evrnorsra adianthoides, Lam. Dict. 2. p. 426.—Tepic. This species extends from the
warmer districts of Mexico to Guayaquil and Brazil.

778. Evprorsta strigosa, Hook. et Arn. Bot. Beech. p- 310.—Tepic.

779. EvrHorsia (Exstipulate, Alternifolie, Erectee, Capitate) restiacea, sp. n., suffraticosa,
glabra, ramis erectis junceis subdichotomis, foliis caulinis perparvis lineari-subulatis vel nullis,

floralibus in apicibus ramorum paucis lanceolatis coloratis, involucris terminalibus solitariis (aggre-

gatisve ?) subsessilibus turbinatis, lobis exterioribus reniformibus coloratis crenulatis.—Between San
Blas and Tepic. )

Caules e basi crassa tuberiformi lignosa complures, 1-14-pedales, tenues, rigidi, virides, nitiduli, teretes,

WESTERN TROPICAL AMERICA. 163

Substriati, in parte inferiore ramis paucis strictis instructi. Folia rarissima, minima vel vix semipollicaria,
floralia ad apices ramulorum per 3-4 approximata, 6-9 lin. longa, 1-2 lin. lata, utrinque acuta, integerrima,
colorata. Involucra subsessilia, linea paullo longiora.

: There being but a single perfect involucrum in the several specimens of this
curious plant, I have refrained from cutting it up to examine the internal structure,
having seen enough to have no doubt of its genus.

780. Evpnorsia (Exstipulatee, Verticillate, Fruticosee, Cymose) colletioides, sp. n., ramis arti-
culatis glabris, foliis ternatim verticillatis oppositisve petiolatis ellipticis obtusis basi angustatis
subtus puberulis glaucis, cymis terminalibus sessilibus densis, bracteis parvis subulatis, involucri
pubescentis lobis exterioribus orbiculatis crenulatis tubo subbrevioribus.—Acapulco.

Rami rigidi, teretes, virides, substriati, ad nodos tumidi et facile (preesertim juniores) in articulos
secedentes, internodiis 3-6-pollicaribus, ramulis sepius ternatim verticillatis. Folia 1-1} poll. longa, 5-7 lin.
lata, petiolo 3-lincari ; ultima minora angustiora ; omnia membranacea, opaca, impunctata, tenuiter penninervia,
costa media subtus prominente. Cyma inter folia suprema sessilis, dichotoma, polycephala, foliis tamen brevior.
Bractes ad dichotomias opposite, quam involucra multo breviores. Involucra brevissime pedicellata, turbinato-
campanulata, linea paullo longiora, pube canescentia; lobi 5 exteriores lineam lati, colorati, crassiusculi,
glandulis baseos majusculis orbiculatis duplicatis; lobi interiores inflexee, membranaceee, orbiculato-cuneate,
fimbriatee, Bracteolw setacese, pilosulee. Flores masculi diantheri, numerosi. Ovarium glabrum. Stylus
usque ad basin fissus, lobis bipartitis. Capsula junior exserta, levis, glabra, maturam non vidi.

781. Evesorsta (Exstipulate, Alternifolia, Fruticosee, Umbellate) Sinclairiana, sp. n., glabra,
foliis amplis obovali-oblongis acutis basi longe angustatis, umbella sessili (2-3-fida?) ramis elongatis
dichotomis, bracteis ovato-orbiculatis foliaceis, involucri campanulati sessilis lobis 4 exterioribus
orbiculatis crassis integerrimis.—Island of Gorgona.

Rami crassiusculi. Folia usque ad pedalia (vel longiora?), 3-4 poll. lata, breviter et acute acuminata,
costa media subtus prominente, venis primariis obscuris tenuibus ad angulum fere rectum a costa divergentibus.
Petioli 1-14-pollicares, basi nodoso-incrassati. Umbella supra folium supremum sessilis, folis brevior ; rami
primarii 2 (vel ex cicatricibus interdum 3), supra medium ter quaterve bifidi, ramis ultimis brevissimis.
Bracteee 8-10 lin. longe, paullo angustiores, obtuse vel mucronulate, basi subcordate. Involucra i
3 lin. longa, lobis exterioribus patentibus glanduliformibus, interioribus erecto-inflexis membranaceis orbioulatis
leviter fimbriatis. Bracteole glabree, in laminas membranaceas apice laceras coalitee. Flores masculi diantheri.
Ovarium glabrum. Stylus vix ad medium trifidus, lobis semibifidis.

782. Datecuampta sidefolia, Humb. et Kunth, Nov. Gen. et Sp. 2. p. 100. —D. hibiscoides,
Hook. et Arn. Bot. Beech. p. 443. non Humb. et Kunth.—Folia seepius ultra medium 3-5-fida, sed
nunquam ad basin partita.—Realejo, Panama, and other parts of Central America.

783. Hirromane Mancenilla, Linn.—Culebra, Atacames.

784, AcALYPHA obovata, sp. n., (Plate LIT.) arborescens, ramulis | subteretibus glabris, foliis
obovatis vel obovato-oblongis breviter acuminatis subserratis basi longe angustats glabris panctato-
scabriusculis, spicis sexu distinctis axillaribus folio brevioribus pubescentibus, foemineis gracilibus
interruptis, involucris flore brevioribus.—Atacames.

Rami lignosi, cortice cinereo ; ramuli leeves, juniores vix obtuse angulati. Stipule lineari-lanceolate,
seepe falcatee, 3-4 lin, longe, rigidee. Petioli stipulos vulgo superantes. Folia majora 6-8 poll. longa, supra

164 BOTANY OF THE VOYAGE OF THE SULPHUR.

medium 24-3 poll. lata, pleraque a medio usque ad basin longe angustata, ima basi obtusa vel leviter cordata,
a medio ad apicem irregulariter serrata et interdum sinuata, summo apice in acumen breve obtusum vel
acutum producta, utrinque glaberrima, sed punctis minutis sub lente conspicuis et subpellucidis utrinque
scabriuscula; costa media veneeque primarice pinnatim divergentes subtus prominule. Spice in axillis
solitarize, breviter pedunculate, alize mascule alice feeminese, mascule: nunc superiores nunc inferiores ; mascule
pollicares, glomerulis approximatis multifloris bracteis minutis subtensis. Pedicelli basi hispidi, superne glabri,
4 lin. longi. Flores minuti. Perigonium 4-partitum. Stamina 8. Spice fomineee masculis 2-3-plo
longiores. Involucra dissita, reniformia, concava, dentata, extus pilis paucis hirta, lineam Jonga, singula
biflora. Flores sessiles, perigonii segmentis 3 brevibus ovatis acutis hispidis. Ovarium hirsutissimum. Styli
multifidi uti ovarii loculi in altero flore cujusve involucri tres, in altero (an constanter?) duo tantum.
Fructus non vidi.

This species is probably near to the A. cuneata, Peepp. et Endl., but in the
latter the branches are described as acutely angled, the leaves downy under-
neath, and the spikes very much longer.

Plate LIII. fig. 1. male flower; fig. 2. female involucre; fig. 3. female flower; all mag-
nified.

785. AcALYPHA vestita, sp. n., fruticosa vel arborea, ramis hirsutis, foliis cordato-ovatis acu-
minatis crenatis utrinque pubescentibus villosisve, spicis androgynis in axillis subfasciculatis folio
brevioribus vel raro longioribus.—Guayaquil.

Ramuli lignosi, teretes, crassitie pennee anserine, undique pilis patentibus hirsuti. Folia adulta 3-4 poll.
longa, 1-2 poll. lata, basi rotundata et sinu subclauso cordata, apice longius breviusve in acumen producta,
pube molle brevi utrinque vestita et ad costas venasque primarias utrinque hirsuta ; coste 5-7, a basi digitata,
quorum intermedia utrinque, laterales a latere tantum exteriore, venas emittunt primarias, Petioli hirsuti;
1-1}-pollicares. Spice sepius ad axillas folioram per 2-3 cum foliis totidem parvis fasciculate (ramulis
floriferis axillaribus brevissimis), superiores solitarie. Involucra 2-3 ad basin spice foeminee, cyathiformia
demum 4 lin. lata, herbacea, puberula, margine minute denticulata. Flores circiter 8, sessiles, ovario villoso,
stylis multifidis. Capsule hirte. Semina leviuscula. Flores masculi minuti, in maxima parte spice in
glomerulos distinctos multifloros dispositi. Perigonium 4-partitum. Stamina 8.

: 786. Acatyrna leptoclada, sp. n., fruticosa, ramulis gracilibus petiolisque tomentoso-pubescen-
tibus, foliis ovatis vel ovato-lanceolatis acuminatis serrato-crenatis basi cuneatis integerrimis

tenuibus pubescentibus, spicis sexu distinctis axillaribus tenuibus petiolos vix aquantibus.—
Tepic.

__ Ramuli teretes, pilis crispulis albidis undique vestiti, juniores fere filiformes. Stipule minute. Petioli
1-2-pollicares, villosi, tenues. Folia tenuiter membranacea, 2-3 poll. longa, 9-10 lin. lata, pleraque longe
acuminata, dentibus grossis obtusis vel acutis, basi 5-nervia, costa media utrinque, lateralibus e latere tantum
exteriore venas laterales emittentibus, costis utrinque hirtellis. Spicee feemines gracillime, raro pollicem
longe. Involucra dissita, lineam longa, cyathiformia, herbacea, erenulata, pleraque biflora, Ovarium pilis
longis hispidum. Styli 3, trifidi. Spicee masculw femineis breviores, graciles, glomerulis multifloris approxi-
matis, floribus minutis ; adest etiam seepe involucrum foemineum unicum ad basin spices mascule.

787. AcALYPHA pilosa, Cav. Ic. 6. p. 46. t. 568. f. 2.—Some specimens agree well with the
figure and description, whilst others are above a foot long.— Acapulco.

788. AucHorNEa grandis, sp. n., foliis amplis late ovalibus breviter acuminatis rigide chartaceis

WESTERN TROPICAL AMERICA. 165

supra glabris subtus pubescentibus trinervibus basi biglandulosis, spicis feemineis fasciculatis petiolo
longioribus simplicibus ovarioque leviter pulveraceo-puberulis.—Tumaco,

Rami fceminei adest frustulum ecrassum, lignosum, teres, cortice verrucoso. Folia 10 poll. longa, 7 poll.
lata, supra nitidula, subtus ferruginea; costa media supra medium folii venas emittit primarias divergentes
utrinsecus 3-4 ; cost laterales ad latus exterius tantum venis preeditw sunt 7-9; coste veneeque majores quee
ad marginem attingunt ibidem seepius in denticulum glanduleformem excurrunt; omnes in pagina superiore
folii depressee sunt, in inferiore valde elevate ; venze secundariee minus elevate, transversales et subparallele,
rete venularum minorum minus conspicuum; glandule orbiculares, depresse, in pagina inferiore in axillis
costarum. Petiolus 4 poll. longus. Spice interrupte, 5-6-pollicares, sepius geminew, basi squamis paucis
Janceolatis setaceo-acuminatis stipate. Flores singuli ad axillam bractee parves squameeformis subsessiles,
dissiti vel per 2-3 approximati. Calyx minutus, 4-fidus. Fructus nondum maturus jam magnitudine pisi,
2-3-coccus, stylis 2-3, semipollicem longis, acutis, glabris, summo apice minute papillosis.

789. Mapea Piriri, Aubl. Pl. Gui. 2. p. 867. t. 334. £. 1.— The leaves are very white under-
neath, as described by Aublet, which is not the case with my specimens of Hostmann’s n. 1320,

from Surinam, referred to this species by Steudel.—Isthmus of Darien. I have it also from
Santa Martha.

790. JarropHa nudicaulis, sp. n., glaberrima, foliis peltatis 5-lobis, lobis ovatis acutis eciliatis,
stipulis glanduliformibus, panicula pedunculata corymbosa.—Monte Christi, in Columbia; in flower
when everything else is burned up.

Caulis crassus, mollis, rugosus, sexpedalis, apice tempore florescentiee foliis paucis parvis nascentibus
coronatus; dum fructus maturescit folia evolvuntur 3 pollices lata, vix ad medium lobata, lobis apice
rotundatis cum acumine abrupto brevi acuto; cilie glanduliferee omnino desunt. Stipule brevissime,
irregulariter glandulzformes, pilis coronate longissimis tenuissimis implexis caducissimis. _ Inflorescentia et
flores J. panduraformis et petala pariter coccinea videntur. Capsule glabra, glaucescentes, semipollicem
diametro.

791. Jarropwa, sp. n.?—Peduncle very long, and flowers smaller than in the preceding
species ; leaves nearly the same, but as they are loose it is not certain that they belong to the same
plant as the flowers.—Columbia.

792. Curcas purgans, Medic.—Columbia.

793. Cxrposconvs guinguelobus, Pohl, Pl. Bras. Ic. 1. p. 63.—Realejo; Gulf of Fonseca; Isle
of Taboga, Bay of Panama.

794. Croton riparius, Humb. et Kunth, Nov. Gen. et Sp. 2. p. 90.—This should probably be
referred to Klotzsch’s genus Astrea.—Columbia.

795. Croton rivinefolia, Humb. et Kunth, Nov. Gen. et Sp. 2. p. 80. vel species ei valde
affinis.—This is the same as Hartweg’s n. 695, but in both cases I have only seen male flowers, and
therefore cannot satisfy myself as to its identity with the female plant described by Kunth, nor yet
as to the genus to which it ought now to be referred. —Guayaquil.

796. Careronta castaneefolia, A. de St. Hil—Guayaquil.
797. Puyiiantuus Niruri, Linn.—Salango.

798. Puyituanruus tenellus, sp.n., fruticosus?, glaber, ramulis angulato-subcompressis, foliis
xX x

166 BOTANY OF THE VOYAGE OF THE SULPHUR.

distinctis parvis obovatis orbiculatisve obtusissimis retusisve basi subcuneatis, floribus axillaribus
aggregatis, pedicellis capillaceis, fructiferis folia superantibus.—Columbia.

Affinis videtur P. orbicularit, Humb. et Kunth, sed diversus, Ramuli tenelli, uti folia exacte alterni,
pinnatim dispositi, ultimi tenues. Stipule lanceolate, membranacee, scariose, petiolo breviores. Folia 3-3}
lin, longa, 24-3 lin, lata, omnia apice obtusissime truncata vel retusa, costa media interdum in mucronulam
brevem excurrente, basi obtusa vel breviter cuneata, membranacea; petiolo tenui 3-1 lin. longo, Flores
utriusque sexus ex iisdem axillis orti, foeminei solitarii, masculi numerosi in cymam trichotomam dispositi, pedun-
culo tamen communi ramisque ita brevibus ut pedicelli fasciculati videntur. _ Pedicelli singuli ex axilla bractez
parvee orti, graciles, fere capillacei, 3-5 lin. longi. Calycis segmenta 5 vel 6, ovata, medio viridia, margine
alba, inter se ineequalia. Columna staminea in maribus brevissima, antheris 3 subsessilibus. Ovarium in
flore fcemineo sessile. Styli tres, brevissimi, obtuse bilobi, lobis brevissimis crassiuscule — stigmatosis
radiantibus. Capsulam non vidi.

799, Puytuantuus floribundus, Humb. et Kunth? Nov. Gen. et Sp. 2. p. 116.—Columbia.

800. Crcca macrostachya, sp. n., racemis longissimis, calycis segmentis exterioribus villosis, sta-
minibus 3.—San Blas to Tepic.

Rami tenuiores quam in C. disticha, cortice cinereo. Ramuli steriles foliati, semipedales, folium pinnatum
simulantes, leviter pubescentes. Folia 1-2-pollicaria, forma OC. distiche, sed in sicco non glaucescentia, supra
lucidula, subtus ad venas pubescentia vel omnino glabra, minute pellucido-punctata. Racemi seu ramuli
floriferi ultrapedales, graciles, pilis sparsis adpressis pubescentes, aphylli. Flores in glomerulis numerosi,
magnitudine eorum C, distichw, in speciminibus suppetentibus omnes masculi. Calyx 6-partitus, segmentis
3 exterioribus ovatis extus hirsutis, 3 interioribus paullo angustioribus glabris. Stamina 3, filamenta libera,
calyce longiora, sub disco centrali trilobo inserta.

ARISTOLOCHIACER.

801. ArisTotocuta taliscana, Hook. et Arn. Bot. Beech. p, 309.—Manzanilla Bay.

802. ArisToLocHIA odoratissima, Linn.—A. inflata, Humb. et Kunth? Nov. Gen. et Sp. 2.
p. 145. t. 111.—A variable plant, spreading on the ground, or creeping on shrubs; the leaves as well
as the lip of the flower sometimes scarcely mucronate, at others bearing a rather long point. The
smell, resembling that of A. clematitis, is very strong, even in dry specimens.—Panama.

PIPERACER.

803. ACROCARPIDIUM brevipes, sp. n., ramis filiformibus pilosis, foliis alternis brevissime petiolatis
orbiculatis uninervibus carnosis punctatis, junioribus hirsutis, adultis glabratis ciliatis, pedunculis
hirtis, baccis ovoideis.—Conchagua. 2

aoe A. nummularicolio, sed folia crassiora, petiolo raro semilineam excedente. Amenta terminalia
vel (ramulis abortientibus) oppositifolia, gracilia, confertiflora, semipollicaria in pedunculo 3-5-lineari. Bractex

“iar orbiculatee, peltatee, Stamina longiuscule exserta. Bacca basi brevissime in stipitem

WESTERN TROPICAL AMERICA. 167

804, Pornomorrue peltata, Miq. Pip. p. 203. var. venis foliorum supra hirtis—Columbia.

805. Encxea platyphylla, sp. n., glaberrima, foliis amplis ovato-orbiculatis acuminatis basi
oblique vel subsequaliter truncatis vel inzequaliter subcordatis 9-nervibus subtilissime pellucido-
punctatis, amentis bacciferis folio 3-4-plo brevioribus, baccis subgloboso-depressis, — Man-
zanilla Bay.

Folia usque ad 10 poll. longa, 8 poll. lata, membranacea, supra demum nitidula, juniora tactu scabrius-
cula; nervis subtus valde prominentibus, 3 intermediis usque ad apicem ductis, extimis tenuioribus; margo
foliorum seepius angustissime revolutus, glaber. Petioli 6-9 lin. longi, crassiusculi, basi teretes, apice sub
lamina canaliculati, glabri, Amentum unicum vidi tripollicare, breviter pedunculatum, baccis jam auctis sed
immaturis. Bracteze parvee, concave, ciliate. Baccee numerose, conferte, apice umbonato-depresse, stig-
matorum vestigiis obscuris, basi parum contractee et filamentorum (4?) vestigiis stipate. Pericarpium
crassum. Semen tetragono-suleatum. Specimina etiam vidi Andersoniana in insula St. Vincentis lecta ad
hane speciem ut videtur referenda, quibus baccw minus depressw, fere obovoidew, mutua pressione subtetra-
gone, spiraliter disposite.

806. Encxea decrescens, Miq. Lond. Journ. Bot. 4. p. 440, there described from Barclay’s spe-
cimens, which I have not seen.—Central America.

807. EncKEA miconiefolia, sp. n., glaberrima, foliis ovato-oblongis acuminatis basi ineequali
cuneatis vel hinc rotundatis subcoriaceis membranaceis subtilissime pellucido-punctatis lete viri-
dibus nitidis 5-nervibus, amentis folio brevioribus, bracteis minutis concavis, baccis ovoideo-
oblongis quinque-sulcis.—Salango.

Pluribus characteribus convenit cum £. éenui, sed petioli et rami in specimine glabri. Folia 3-6 poll.
longa, 1-2 poll. lata, basi pleraque ineequalia et fere semper angustato-cuneata, rarius uno latere rotundata.
Amenta fructifera 2-3 poll. longa, interdum folium subeequant. Bacce distinctz, subdistantes, sessiles, lineam
long, apice et basi obtuse.

808. ArTanTHE granulosa, Mig. Pip. p. 435.—Scarcely distinct from A. adunca.—Atacames.
809. ArrantuE Sororia, Mig. Lond. Journ. Bot. 4. p. 443.—Gulf of Fonseca,

810, ArTANTHE leucophylla, Mig. Pip. p. 460.— Probably the same as A. scabrifolia.—
Acapulco.

811. ArTaNTHE cornifolia, Miq. Pip. p. 479 —Salango.
812, ArtantHE Barclayana, Miq. Lond. Journ. Bot. 4. p. 460. — West Coast of Columbia,
described by Miquel from a specimen of Barclay’s, which I have not seen.

813. ArTanTuHE tuberculata, Mig. Pip. p. 497.—Piper begoniefolium, Hook. et Arn, Bot. Beech.
p- 310.—Atacames, Guayaquil,

814. ArtanTuE tuberculata, var.? obtusifolia, nonnisi foliis obtusissimis a precedente differre
videtur.—FPiper ellipticum, Hook. et Arn. Bot. Beech. p. 443. —aieanthe Beecheyana, Miq. Pip.
p- 403.—Realejo.

’

815 ArTanTHE brachypoda, sp.n., (Plate LIV.) ramis glabris maculatis, foliis brevissime
petiolatis amplis ovatis acuminatis basi inzequilateris, hine 4-costatis basi resectis, illinc 6-costatis
basi rotundatis, rigidis subcoriaceis utrinque glabris tactu scabris, amentis brevibus breviter pedun-

he

168 BOTANY OF THE VOYAGE OF THE SULPHUR.

culatis densissimis, bracteis apice subpeltatis glabriusculis, stigmatibus staminibusque tribus.—

Isle of Gorgona.

Ramuli obsolete trigoni. Folia 10 poll. longa, 5 poll. lata, petiolo crasso vix 3 lin. longo; coste fere
omnes infra medium folii a costa media divergentes, subtus valde prominentes. Punctz pellucide: subtilissime.
Amenta florifera vix semipollicaria, floribus confertissimis annulatim simulque spiraliter dispositis. Stigmata
recurva,

This species is very distinct from any I am acquainted with, and is allied on
the one hand to Miquel’s section Churumayu, on the other to Hemipodium.

Plate LIV. fig. 1. section of the flowering spike ; fig. 2. flower and bract ; fig. 3. section of the
ovary; fig. 4. side view of a portion of the spike in fruit; fig. 5. bract and berry; all magnified.
The fruit represented in the two last figures is not yet ripe, but appears to have attained nearly its
full size.

JULIFLORE.

816. Myriocarpa stipitata, gen. nov. Urticacearum (Plate LV.)—Tumaco.

Cuar. Gen. Flores dioici. Masculi ignoti. Foeminei: Perigonium bifoliolatum, foliolis parvis
patentibus vel interdum (additis 2 foliolis minutis) 4-partitam, Ovarium compressum. Stylus
unicus, simplex, ab apice ultra medium hine crasse papilloso-stigmatosus. Achznium lenticulare,
marginatum, stylo coronatum. Semen erectum. Albumen parcum. Cotyledones ovate. Radi-
cula brevis, supera.—Arbores. Folia alterna ovata, basi trinervia et pennivenia, supra pilis appressis
eleganter stellato-radiantibus vix nisi sub lente conspicuis obtecta. Cymz axillares, dichotome,
pedunculo communi brevi, ramulis paucis ultimis simplicibus longissimis pendulis, floribus nume-
rosissimis secus ramos ultimos laxe spicatis.

M. stipitata, foliis subtus glabriusculis, ovario acheenioque longiuscule stipitatis—Ramuli crassiusculi,
pube brevissima canescentes, mox glabrati. Squame gemmas obtegentes (an stipule?) lanceolate, 4-5 lin.
longe, rufescentes, extus canescentes, cito deciduz. Folia petiolata, ovata, semipedalia, 3-4 poll. lata, supra
demum bullato-rugosula, breviter acuminata, margine grosse crenata, basi rotundata ; costa media et vene
primarie utrinsecus 4-5 (quarum 2 inferiores opposite validiores) subtus prominentes, hinc inde sparse hirtelle ;
venule transverse anastomosantes et hinc inde in punctas pellucidas convergentes; pili brevissimi nonnisi
ope lentis conspicui, in pagina inferiore rari sparsi, In pagina superiore ereberrimi, arcte appressi et a punctis
pellucidis hine inde stellato-radiantes, Pedunculi communes 1-8 lin. longi, bis terve 2-3-chotomi; rami
primarii breves, ultimi sepe pedales secus totam longitudinem floribus parvis creberrimis onusti. Perigonii
foliola (seu bractew ?) minima, lineari-lanceolata, patentia, apice recurva, sub fructu persistentia et immutata,
sepius 2 subequalia, additis interdum 2 multo minoribus. Ovarium stipite suo subbrevius, pilis paucis
marginalibus hispidum. Stylus ovario longior, a tertio circiter parte usque ad apicem crasse papillosum.
Acheenium cum stipite suo vix semilinea longius, lenticulare, marginibus incrassatis et pilis paucis hispidis
a faciebus glabris chartaceis facile secedentibus, stylo persistente terminatis. Semen minutum, ovatum,
compressum.

Plate LV. fig. 1. portion of the upper surface of the leaf showing the hairs; fig. 2. female

flower; fig. 3. section of the ovary ; fig. 4. fruit ; fig. 5. seed; fig. 6. embryo; fig. 7. transverse
section of the seed; all magnified.

WESTERN TROPICAL AMERICA. 169

A second species of ‘this genus* has been gathered in Peru by Mathews
(n. 2040). Init the racemes or branches of the cyme are full as long as in
M. stipitata, and the flowers still smaller and more crowded. I counted 150 in
considerably less than an inch, which would give about 2000 to each raceme, or
above 30,000 in the two cymes of a single specimen or fragment contained in my
herbarium. Other specimens in Sir W. Hooker's herbarium, from the hot region
of Mexico (Galeotti n. 331, Linden n. 49), belong either to M. densiflora or to a
species closely allied to it. In all these there are only female flowers.

817. Urera, sp.—A single female specimen, allied to V. baccifera, but not in a state to
determine satisfactorily. It is said to be a tree as stinging as our common nettles.—Tumaco.

818. Arrocarrus incisa, Linn.—Columbia; not common, and the fruit inferior to that of the
Society Islands.

819. Sponta canescens, Decaisne. — Celtis canescens, Humb. et Kunth, Nov. Gen. et Sp. 2.
p- 28.—Folia proportione latiora, crassiora et brevius acuminata quam in ceeteris speciebus. Florum
cymz in glomerulos brevissimos contractee.—Isthmus of Darien,

820. Quercus aristata, Hook. et Arn. Bot. Beech. p, 444.—Tepic.

821. Quercus elliptica, Née? in Willd. Spec. 4. p. 428.—Sierra Pueblo Nuevo, near Acapulco,
at the height of 1,500 feet above the sea.

Patua.

822. Morenta fragrans, Ruiz et Pay.—Kunth Enum. 3. p. 174. vel species ei affinis.— A
palm of about forty feet in height, of which there are only portions of leaves and male panicles in
the collection.—Salango.

823. Martinezia caryotefolia, Humb. et Kunth.— Kunth. Enum. 3. p. 270.—Isle of
Gorgona.

824. Acrocomta sclerocarpa, Mart ?—Kunth? Enum. 3. p. 271.—Bay of Panama.—This is
certainly an Acrocomia, and, as far as the specimen goes, agrees with Kunth’s character of A. selero-
carpa, but there is an A. mericana, quoted as figured in Martin’s work, the distinctive characters of

which, as well as the figures, are unknown to me. ;
There are also in the collection fragments of two or three other palms not

determinable.

AROIDEX.

825. Pisrra stratiotes, Linn.—Tepic to Guayaquil.

* M. densiflora, foliis subtus molliter tomentosis, acheeniis subsessilibus.
; dpe &

170 BOTANY OF THE VOYAGE OF THE SULPHUR.

I confess I am unable to distinguish the characters by which nine species of
Pistia have been separated by Schleiden. Amongst the flowers I have ex-
amined, I have not found two in which the stamens are precisely the same in
number and position. I have seen from three to seven (they are said to vary
from two to eight), sometimes arranged nearly in a ring just below the summit of
the spadix (which would constitute the section “‘ Spadix antheras processu elevato
superans”), sometimes more irregularly placed and closer to the summit; the
form of the leaves varies from that of a very long wedge to nearly orbicular,
rounded truncate or obcordate at the extremity, narrowed at the base into a
slender petiole, or almost as broad at the base as at the extremity; the nerves
free from the base, or confluent, entire, or forked, without any of these differences
assuming a sufficiently tangible shape to indicate specific characters, and often
depending on the age or degree of vigour of the specimen. The seeds are
described by some as cylindrical, by others as pyriform and smooth. In numerous
fructifying specimens from Asia, Africa, and America, they have always appeared
to me nearly cylindrical, with a very slight tendency to the pear shape, truncate
at both extremities, and pitted on the sides.

826. Anrnurtum Humboldtianum, Kunth Enum. 3. p. 78.—A single membranous leaf, a foot
and a half long, and a foot broad, with pedate nerves, and a broken spadix, belong either to this
species, or one closely allied to it.—Salango.

ScITAMINER.

827. Heticonta latispatha, sp. n., foliis longe petiolatis oblongo-ellipticis subacuminato-acutis
basi inzequalibus rotundatis vel hinc acutiusculis, scapis valde flexuosis dissitifloris, spathis 7-9 pa-
tentissimis late lanceolatis canaliculato-complicatis plurifloris, inferioribus longissime acuminatis,
spathillis membranaceis ovato-lanceolatis flore paullo brevioribus, perigonii laciniis interioribus apice
liberis.— Salango, |

Petioli ultrapedalis pars inferior deest. Folia bipedalia, 6-8 poll. lata, apice rotundata et abrupte in
acumen breve acutissimum producta, basi ad unum latus breviora angustiora et acutiora, pagina inferior
superiore pallidior ; ven parallel, creberrimee, validiores tamen inter se lineas 2-3 distantes. Scapus ultra-
pedalis. Inflorescentice rhachis valde flexuosa, semipedalis, sub spathis parum incrassata, Spathe rigide,
basia carina ad marginem 8-10 lin. late, inferiores 8-12 poll. longs, superiores dimidio breviores. Flores plures
(10-12?) breviter pedicellati, plerseque tamen in speciminibus suppetentibus a vermibus exesee. Spathillee
1-1; pollicares, hyaline, acute, latiores quam in affinibus. Perigonium glabrum, sesquipollicare ; foliolum
exterius inferius carinatum, angustum, acutiusculum, ex sicco viridi-marginatum ; 2 superiora et 3 interiora
alte a sed facile separabilia, lineari-lanceolata, 2 exteriora paullo breviora, membranacea, acuta, usque
ad apicem colorata, 3 interiora equalia, apicibus acutissimis liberis in sicco viridibus, Genitalia perigonium
eequantia, Antheree anguste, longe adnate, connectivi apice acuta virescente apiculate. Stylus apice leviter
clavatus, papillis stigmatosis apicem obtegentibus brunneis,

WESTERN TROPICAL AMERICA, 171

The above description is taken as well from Mr. Hinds’s specimen, as from
another gathered by Hartweg near Bogota. It is very distinct from all the
species I am acquainted with, but agrees in several points with the character
given by Miquel of his H. Richardiana. The leaves and spathe are, however,
longer, the bracts or spathilla much broader, and the stalk scarcely thickened
under the spathz. There is also a H. flexuosa of Presl, but I have not access to
any description of it.

828. Heticonta vaginalis, sp. n., foliis caulinis oblongo-lanceolatis utrinque longe angustatis,
petiolo fere ad apicem vaginante, spathis (4) lanceolatis acuminatis complicatis 8-12-floris, spathillis
lanceolatis, perigonii laciniis interioribus usque ad apicem concretis.—Isle of Gorgona.

Folia tria adsunt, inferius sesquipedale, superius 7-pollicare, omnia 14-2 poll. lata, vaginis elongatis
scapum arcte involventibus, lamina fere ad vaginam decurrente, apice longe (nec ut in 1. acuminata abrupte)
acuminata. Scapus e folio superiore breviter exsertus. Rhachis 3-pollicaris, flexuosus. Spathe in specimine
4, infima 5 poll., suprema 2 poll. longa, omnes extus leviter puberule. Spathille acutissimee, membranacee,
complicatee, exteriores sesquipollicares. Pedicelli fructiferi e spatha exserti. Perigonium sesquipollicare,
undique coloratum; foliolum exterius infimum canaliculatum, 2 superiora interioribus alte adnata et paullo
breviora ; interiora connata in unum acutissimum integerrimum. Genitalia non vidi. Capsula baccata, fere
hemispheerica, truncata, 5 lin. lata.

829. Canna, sp. A. glauce affinis—Guayaquil.

This is the same as Hartweg’s n. 698, from the same locality. The species
of this genus have been so multiplied and distinguished by characters, of so little
value or fixity, that it is impossible to determine these from dried specimens,
until the whole genus shall have been worked up by a competent botanist.

830. Maranta arundinacea, Linn.—Panama.

It is surprising that, after the structure of the flower in this and allied
genera has been so well explained by Nees and others, the outer sterile peta-
loid stamens should be still described in general works as inner lobes of the
corolla. The ovary is, in a young stalk, three-celled, although, even at the time
of flowering, two of the cells are already much smaller and empty.

831. RENEALMIA racemosa, Poepp. et Endl. Nov. Gen. et Sp. 2. p. 26.—Caulis 8-pedalis.
Racemus compositus, fere glaber, ramis 3-5-floris.—Salango.

In one of the flowers which I examined of this plant, the central lobe of the
so-called labellum of some botanists, or synéme of Lestiboudois, was converted into
two perfect stamens, the anthers being borne on short filaments, with a dilated
connectivum, one perfect cell, similar to the larger one of the stamen usually
fertile, and one smaller rudimentary cell. The two lateral lobes of the syneme
were larger than usual, oblong, but contracted at the base; there was no trace of
the sixth stamen, whose place would be between the pair of antheriferous lobes.

172 BOTANY OF THE VOYAGE OF THE SULPHUR:

Another flower from the same raceme had the usual structure of the genus.
The above deviation fully confirms the views of Lestiboudois, Nees, and others, as
to the real structure of the Zingiberace of Endlicher, which, with the Musee and
Cannee, ought surely to form but one very natural order, though divisible into
three tribes.

ORcHIDACEE.
(Determined by Dr. Linpey.)

832. Epmenprum macrochilum, Hook. Bot. Mag. t. 3534.—Panama.
833. Epmenprum radicans, Pay.—Lindl. Orch. Gen. et Sp. p. 104.—Realejo.
834, ErmenpruM glumaceum, Lindl.—Columbia.

835. Eprenprum (Encyclium) ¢rachycarpum, Lindl. sp. n., pseudobulbis elongato-conicis 2-3-
phyllis, foliis rigidis ensiformibus canaliculatis acutis, scapo subpaniculato ramulis pedunculisque sca-
berrimis, floribus carnosis, sepalis petalisque oblongis obtusis, labelli trilobi laciniis lateralibus nanis
semiovatis acutis, intermedia rotundata undulata emarginata levi, capsula scaberrima.—Bay of

Manzanilla.
Affine Z. adenocarpo. Folia rigidissima. Flores carnosi nec membranacei.
836. Brassavoua grandiflora, Lindl, Bot. Reg. 1839, Misc. p. 14.—Guayaquil.
837. CarTieya Skinneri, Lindl. Bot. Reg. 1840, Misc. p. 83.—Columbia.
838. Bueria acutipetala, Hook. Bot. Mag, t. 3217,—Panama.

839. OrniTHocEPHaALus bicornis, Lindl. sp. n., foliis ensiformibus erectis racemo hirsuto lon-
gioribus, sepalis subrotundis apiculatis petalisque conformibus unguiculatis ciliatis, labelli carnosi
bipartiti laciniis lanceolatis recurvis canaliculatis.—Panama.

840. Scarpnyetortis? fasciculata, Hook. Ic. Pl. t. 317.—Realejo.

841. Lonorsts utricularioides, Lindl. Orch. Gen. et Sp. p. 194.—Panama.

B42, Oncrp1um iridifolium, Humb. et Kunth. — Lindl. Orch. Gen. et Sp. p. 202.—
Columbia.

843. Oncwwium stipitatum, Lindl. sp. n., foliis longissimis arcuatis semiteretibus canaliculatis,

panicula contracta, sepalis petalisque liberis undulato-crispis obtusis eequalibus, labello trilobo lacinus

lateralibus linearibus sepalis paullo brevioribus, intermedia longe unguiculata biloba dentata, callo
solitario in unguem.—Panama.

. Affine O. variegato et O. tetrapetalo.
844. Dicuma graminoides, Lindl. Orch. Gen. et Sp. p. 209.—Choco on Mangrove trees.

WESTERN TROPICAL AMERICA. 173

BROMELIACER.

845. AicumEA laxiflora, sp. n., foliis remote spinoso-serratis, panicula elongata multiflora,
ramulis flexuosis dissite 10-20-floris, bracteis primariis lanceolatis membranaceis, ultimis sub floribus
complicatis striatis brevissime mucronatis, perigonii foliolis exterioribus sequalibus ovatis muticis
apice hinc dilatatis.— Acapulco.

Folium adest rigidum, concavum, fere bipedale, basi 14 poll. latum, aculeis marginalibus remotis sursum
uncinatis, pagina utraque punctis lepidotis minutis conspersa, ceeterum glabra. Panicula sesquipedalis, oblonga,
ovariis exceptis fere glabra, Rami secus rhachin creberrimi, 3-4-pollicares, inferiores subramosi, czeteri simplices,
glabri, flexuosi, patentes, apicibus pendulis, rhachidibus bractearum decurrentia subancipitibus. Bractese ramos
subtendentes, inferiores ramulos subzequantes, plane, membranacee, striate, colorate ; ceeteree gradatim decres-
centes, summee parvee concave vel complicate. Bracteole sub floribus singulis 2-3 lin. longe, rigidee, com-
plicatz, striate, basi verticaliter adnate carina breviter decurrente, apice mucrone brevi acutatee. Perigonium
intra bracteam sessile, pars ovario adnata extus lanata, subtriquetra, bractea paullo brevior; lacinice exteriores
23 lin. longee, interiores liberee, exterioribus longiores, convolute, obovali-oblonge, basi angustatee, intus bi-
squamatz. Filamenta filiformia, 3 libera, 3 perigonio interiori usque ad squamas adnata, Anthere oblonge,
circa styli apicem obtusum clavatum subintegrum arcte approximate (vel connate ?). Ovarium triloculare,
loculis multiovulatis,

846. AEcHMEA pyramidalis, sp. n., foliis longiuscule spinoso-serratis, panicula elongata rigida
multiflora, ramulis reflexis approximatim 8-15-floris, bracteis primariis lanceolatis membranaceis,
ultimis sub floribus complicatis mucronato-acuminatissimis subpungentibus, perigonii foliolis ex-
terioribus ovatis coriaceis duobus acutis tertio obtuso.—Guayaquil. —

Folium adest pedale, rigidum, aculeis marginalibus crebris 2-8 lin. longis rectiusculis vel leviter incurvis,
pagina inferiore squamulis albidis peltatis lepidota. Panicula (an completa?) sesquipedalis, ramulis inferioribus
semipedalibus ramosis, ceeteris a medio ad apicem crebris 1-11-pollicaribus rigide divaricato-recurvis, Flores
distichi, approximati at non imbricati. Bractee fere 2. lawiflore, sed ultimee majores et longius acuminate.
Rhachides et perigonia lana laxa alba detergibili vestita. Flores fere 2. laxiflora.

847. Acumea, sp. foliis inermibus.—Too much injured to describe accurately.—Salango.
848. TitLanpsta, sp.—Apparently allied to 7. uniflora, but there are no fiowers.—Realejo.

849. Tirianpsta complanata, sp. n., glabra, foliis inferioribus lanceolatis breviter coreg eg
basi laxe vaginantibus, scapo simplici, squamis angustis acutis erec tis vaginantibus, are =a
oblonga compressa, bracteis complicatis acutis imbricatis, perigonii exterioris foliolis liberis sub-
zequalibus.—Atacames.

Folia (ad basin caulis approximata ?) semipedalia, 7-8 lin. lata, basi latiora et in — laxam Lage
superne plana et in acumen angustum acutum 3-5 lin. longum producta, subtus pallida et punetis minutis
subfurfuraceis rubentibus conspersa. Scapi 8-10-pollicares, erecti, stricti. Squame vaginanies ioe hn.
longee, scapum vix omnino obtegentes, apice spe rubentes, et mucrone acutissimo oe superiores
latiores, laxiores, in bracteas abeunt. Spice, in speciminibus juveniles, vix pollice longiores, yeay com-
presse, apice et basi acute, 4-5 lin. late. Bractee distiche imbricate, carinatee, venosee, margine sab-
scariosee, apice rubentes et mucrone acuto terminate, 7-8 lin. longe. Perigonium intra bracteam sessile, in
specimine examinato nondum expansum ; foliola 3 exteriora 5 lineas longa, glumacea, convoluta, acuta ;

ZZ

174 BOTANY OF THE VOYAGE OF THE SULPHUR.

interiora corollina, basi in tubum connata, Stamina 6, antheris oblongis. Ovarium liberum. Stylus fili-
formis, apice terminatus lobis 3 brevibus filiformibus stigmatosis.

850. Trnuanpsta disticha, Humb. et Kunth.—Schult. Syst. 6. p. 1218.—Atacames; gathered
also by Cuming, near Panama, n. 1188.

851. Truanpsta divarieata, sp.n., foliis caulinis subulato-acuminatis, spicis plurimis breviter
pedunculatis divaricatis multifloris compressis, floribus distichis imbricatis, bracteis acutis argenteo-
lepidotis perigonii interioris tubum squantibus.— Columbia.

Folia inferiora desunt. Caulis obtectus. vaginis angustis in folia brevia subulata pilosiuscula abeuntibus.
Bractez ad basin spicarum ovato-lanceolate, vix striate, subulato-acute, 1-1}-pollicares, erecte, rigide, extus
lepidoto-canescentes. Spice 14-2-pollicares, verticaliter compressee, 6 lin. late, basi in pedunculum brevem
attenuate, 12-15-flore. Bractee sub floribus singulis complicate, semipollicares, arcte imbricate, acutiuscule.
Perigonium exterius triquetrum, rigide glumaceum, bractea vix brevius, diphyllum, foliolo altero bicarinato
(e duobus connatis constante), altero convexo ; interius tenue, tubo bracteam equante, laciniis 3 oblongo-lan-
ceolatis, minus fugacibus quam in plerisque speciebus.

852. TrtLanpstia multiflora, sp. n., foliis lanceolato-ligulatis apice convolutis superioribus subu-
latis, panicula oblonga ramosa, spiculis 8-20-floris distichis laxiusculis, perigonii foliolis exterioribus
ovatis liberis carinatis bractea longioribus, interioribus apice patentibus exsertis.—Guayaquil.

Folia inferiora ultrapedalia, medio 6-8 lin. lata, basi latiora, longe vaginantia, apice longe convoluto-acu-
minata, glabra vel minute lepidoto-candicantia. Scapi pars adest cum panicula sesquipedalis. Folia, e vagina
laxa longiuscule convoluto-subulata, gradatim abeunt in bracteas sub panicule ramis primariis oblongas, con-
cavas, sesquipollicares, acumine gradatim breviore terminatas ; bracteee sub ramis secundariis spicisque ultimis
multo minores, sub floribus singulis 1-1} lin. longee, mutice, acute vel obtusiuscule, omnes ovate, concave.
Panicula pedalis, bis terve ramosa, ramis brevibus. Spice ultima subsessiles, plereeque fere pollicares,
10-15-flore, nonnull longiores vel breviores. Rhachis flexuosa. Flores regulariter distichi, semilineam ad
lineam inter se distantes, divaricati, sessiles. Perigonium exterius ovato-triquetrum, 24 lin. longum, foliolis
rigide glumaceis carinatis acutiusculis; interius dimidio longius, membranaceum, foliolis liberis basi latis, sese a
latere valde obtegentibus. Filamenta 3 libera, 3 cum perigonio interiore basi connata. Stylus brevis, obsolete
trilobus. Capsula oblonga, styli vestigiis mucronata, 4-6 lin. longa. Semina linearia, pendula, apice pilis
longis comata.—Species affinis videtur 7’. parviflorw, Ruiz et Pav.

853. Gusmannta tricolor, Ruiz et Pav.—Schult. Syst. 6. p. 1231.—Columbia.
854. Puya heterophylla, Lindl. in Bot. Reg. 1840, t. 71.—Realejo.

AMARYLLIDACER.

886, Crinum americanum, Lhér.—Herb. Amaryll. p. 254.—Flores in umbella 4, rosei—
San Blas. .

856. Crinum erubescens, Herb.? Amaryll. p- 251.—Flores in umbella 5, tubo sexpollicari.—
Guayaquil.

857. CaLuipsycuE eucrosioides, Herb. in Bot. Reg. 1845, t. 45. Guayaquil, unless it may have

pon mislaid from the Mexican parcel. The bulbs described by Mr. Herbert were from San
as.

WESTERN TROPICAL AMERICA. 175

858. AtsTREMERIA chorullensis, Herb.? in Bot. Reg, 1843, Min. p. 95.—Huamantango.
859. Bomarga edulis, Herb. Amaryll. p. 111.—Columbia.

HyDROCHARIDACER,

860. Limnosium Sinclairii, sp. n., floribus monoicis, spathis unifloris, masculis in scapo brevi
pluribus, foemineis solitariis.—Guayaquil.

Planta natans, stolonifera, acaulis, Folia radicalia petiolo 4-1-pollicari, ovata vel orbiculata, obtusa,
integerrima, basi rotundato-truncata, rarius leviter cordata vel in petiolum angustata, 10-15 lin. longa, venulis
evidentioribus circa quinque in petiolum convergentibus, minoribus pluribus subparallelis et fenestrato-reticu-
latis. Scapi masculi nunc 2-6 lin. longi, nunc subnulli, spathis 2-3 brevibus laxis membranaceis bine fissis
terminati, Pedunculi intra spathas solitarii, uniflori, 2-4 poll. longi. Perigonium corollinum, 6-partitum,
laciniis subzequalibus elliptico-oblongis, 3 exterioribus viridioribus. Stamina 6; filamenta brevissima, plana,
basi connata; antheree oblongee. Styli rudimenta 2, filiformia, Spathz fcemines, certe in eadem planta cum
- maaribus, subsessiles, solitarize, tubulosw, 3-5 lin. longs, hinc fisse, demum explanatee. Pedunculus vix spatham
superans vel interdum ei brevior. Perigonium fere maris sed superum (vel potius tubo ovario adhzrente
donatum). Stamina nulla. Styli 6, filiformes, bifidi, lobis stigmatosis. Ovarium triloculare, omnino inferum.
Ovula in loculis numerosa, hyalina. Capsula (immatura) ovoidea, nuda. Semina pauca, more Hydrocharida-
cearum echinulata.

The female flowers are so imperfect that I am not quite certain as to the
details of their structure.

SMILACER.

861. Smamax obtusa, sp. n., glaberrima, ramis angulatis inermibus, foliis ramealibus brevissime
petiolatis oblongis apice obtusis cum mucrone brevissimo vel muticis basi rotundatis angustatisve
coriaceis utrinque 5-nervibus reticulatisque nitidulis, pedunculo fcemineo petiolum sequante, recep-
taculo globoso.—Manzanilla Bay.

_ Adsunt tantum plante: foeminese rami ultimi fructiferi. Folia in his sesquipollicaria, 6 lin, lata, petiolo
3-lineari. Cirrhi e petiolo nati. Receptaculum fructiferum 13-3 lin, diametro. Bacce globose, breviter
pedicellatee, 2 lin. diametro.

ALISMACER, —

- 862. Sacrrrarta sagittifolia, Linn.—Kunth, Enum. 3. p. 156.—var.? foliorum lobis : baseos
divaricatis terminali equilongis et vix angustioribus. An species propria? Flores in specimine
manci,—Guayaquil.

176 BOTANY OF THE VOYAGE OF THE SULPHUR.

CoMMELYNACES.

863, CommEtyNa agraria, Kunth, Enum. 4. p. 38.—San Blas, Acapulco, Realejo, Panama.

864, ComMELYNA acuminata, Humb. et Kunth.—Kunth, Enum, 4. p. 38.—A single specimen,
rather more downy than described by Kunth.—Between San Blas and Tepic.

865. Commertyna celestis, Kunth, Enum. 4. p. 45.—Realejo.

866. Commetyna elegans, Humb. et Kunth.—Kunth, Enum. 4. p. 55.—Panama and Guay-
aquil. These specimens are smoother than those described by Kunth. There is also a small
ey from Acapulco, and a tall narrow-leaved form from Guayaquil. ‘

867. ComMELyNa ? leiocarpa, sp. n., caule geniculato glabro, vaginis ore ciliatis, foliis ovatis vel
ovato-lanceolatis glabris, pedunculis hinc hirtellis, spatha complicata, pedicello altero 2-3-floro altero
minuto sterili, perigonii foliolis interioribus parum ineequalibus, fructu globoso nitido indehiscente.—

Tiger Island, Gulf of Fonseca.

Caules ultrapedales, basi procumbentes, ad quemquam fere nodum geniculati et ramosi, hinc sulcati et
interdum longitudinaliter scabro-puberuli, ceeterum glabri. agin breves, hinc fissee. Folia 1}-2-pollicaria,
pleraque complicata, subsessilia, basi rotundata. Pedunculi sub spatha semipollicares ad pollicares. Perigonii
exterioris foliolum exterius 2 lin. longum, lateralia paullo breviora, latiora, inter se libera; interioris foliola
2 orbiculata, brevissime unguiculata, tertium lato-ovatum, sessile, glanduloso-lincolatum. Stamina fertilia
tria; anthere 2 ovato-sagittatew, loculis oblongis arcuatis subcontiguis, tertia longior incurva loculis contiguis
parallelis lineari-oblongis. Stamina sterilia 2, antheris more Commelynarum cruciato-lobatis ; sextum omnino
deest. Stylus filiformis, apice obtusus, tenuissime stigmatosus. Fructus 3 lin. diametro, trilocularis, peri-
carpium membranaceum nitidum, in sicco nigro-plumbeum. Semina in quoque loculo 2, superposita, nigra,
grosse rugosa, fructum fere implentia, sed tanquam ex sicco apparet pulpa tenui nidulantia.

The fruit of this species is so different from that of any other Commelyna I
am acquainted with, that I should have considered it as forming a distinct genus,
were it not that the habit, inflorescence, and flowers are so precisely those of
Commelyna, that its separation would break through the present very natural
circumscription of that genus.

68, Traprscantia cordifolia, Sw—Kunth, Enum. 4. p. 91.— Pedunculi terminales, gemini,
filiformes, apice 5-7-flori; pedicelli pubescentes; filamenta imberbia, perigonio interiore breviora at
non brevissima. Czetera cum descriptionibus auctorum omnino conveniunt.—Atacames.

869. Trapescantia triandra, Kunth, Enum. 4. p. 93.—Panama.

870. Trapescantia cumanensis, Kunth, Enum. 4.:p. 96.—Panama.

This is the same plant as Cuming’s n. 1140, from the same locality. It
agrees, In Some respects, rather with 7’. Schlechtendahlii than with 7’. cumanensis,
but the outer perigon is not smooth. The stem, on the other hand, is smooth,

with the exception of a longitudinal line of short hairs below each leaf-sheath.
The flowers agree precisely with Kunth’s description of 7’. cumanensis. Possibly

WESTERN TROPICAL AMERICA. 177

the two described plants may be but varieties of one species. The plant referred
here by Hooker and Arnott, Bot. Beech. p. 311, under the name of Aneilema
floribunda, is a very distinct species, described by Martens and Galeotti under
the name of Z'radescantia filiformis.

CYPERACER.

871. Exzocuaris constricta, Roem. et Schult——Kunth, Enum. 2. p- 153.—Spica ovato-conica,
brevior et crassior quam illa F. geniculate.—Guayaquil.

872. Dicuromena ciliata, Vahl.—Kunth, Enum. 2. p. 276.—Panama.

873. Hypotytrum pycnocephalum, sp. n., culmo triquetro, spicis numerosis capitato-congestis,
involucro inzequaliter plurifoliato.—Island of Gorgona.

Folia desunt. Culmi adest summitas rigida, triquetra, angulis scabris. Involucri folium exterius culmo
continuum, ultrapedale, pollicem latum, rigidum, alterum paullo brevius, tertium semipedale, omnia subulato-
acuminata, superne ad margines serrulato-scaberrima; quartum et quintum multo minora, subulata, basi
breviter dilatata. Spicule ultra 30, densissime congestz, semipollicares, ovato-conice, multiflore. Squame
undique imbricatee, obtusee vel retusee. Squamule carinate, anguste, squamis longiores. Stamina 2 (vel
interdum abortientia?). Achznium lenticulari-turgidum, leve. Stylus longus, ad medium bifidus, basi
persistente non dilatata.

874. Scieria bracteata, Cav.—Kunth, Enum. 2. p. 345.—Isle of Taboga, Bay of Panama.

- GRAMINER.

875. Paspatum paniculatum, Linn.—Kunth, Enum. 1. p- 59.—Realejo.
876. Oxyra latifolia, Linn.—Kunth, Enum. 1. p. 69.—Gulf of Fonseca.
877. Panicum brevifolium, Linn.—P. trichodes, Sw.—Kunth, Enum. 1. p. 112. — Gulf of

Fonseca.

878. Serarta glauca, Beauy.—Kunth, Enum, 1. p. 149.—Central America.

879. OpLIsMENUS Burmanni, Beauv.—Kunth, Enum. 1. p. 139,—Forma mollissime villosa.—
Gulf of Fonseca.

880. PENNISETUM purpurascens, Humb. et Kunth.—Kunth, Enum. 1. p. 160.—Acapulco.
881. DacryLocrentum egyptiacum, Wild.—Kunth, Enum. 1. p. 261.—Gulf of Fonseca.

882. EraGrostis, sp. near Poa tenax and P. aturensis, Humb. et Kunth (Kunth, Enum. I. p-
327, 328), with dense panicles, a foot to a foot and a half long, and very numerous small shining
flowers, about seven in each spikelet, but the leaves are wanting.—Conchagua.

3A

178 BOTANY OF THE VOYAGE OF THE SULPHUR.
883. Uniowa paniculata, Linn.—Kunth, Enum. 1. p. 425.—Isthmus of Darien; Atacames.
884, ANDROPOGON incompletus, Presl.—Kunth, Enum. 1. p. 503.—Realejo.
885. Diecromis fastigiata, Beauv.— Kunth, Enum. 1. p. 510.—Realejo.

There are also in the collection a considerable number of Ferns, which have
been intrusted to Sir William Hooker for publication in his Species Filicum.

IV.—PERU AND CHILI.

The collection contained a parcel marked Callao, and several from Valparaiso,
but as they had been made up in the earlier part of the voyage, they had suffered
more than any others from insects. Most of the specimens were, indeed, reduced
to powder. Out of what remained, I was enabled to recognise about fifty species,
but none of them either new or deserving any special mention on this occasion.

V.—ISLANDS OF THE PACIFIC.

The collections made in the Sandwich Islands, the Marquesas, and Taiti,
amounted to rather more than two hundred species, but with the exception, per-
haps, of two or three doubtful Composite and Rubiacez, the whole are already
described. A tolerably complete enumeration of the plants of the Society Islands,
may be found in the first volume of the Annals of the Vienna Museum, and in
Guillemin’s Zephyritis Taitensis in the Annales des Sciences Naturelles, 2nd
series, vols. vi. and vii. The Sandwich Island flora is much less completely known,
and can only be collected either from general works, or from the botanical por-
tions of different voyages, such as those of Captain Freycinet’s voyage, published
by Gaudichaud ; of Captain Kotzebue’s, by Chamisso and others in the Linnea ;
: Captain Beechey’s, by Hooker and Arnott, etc. A complete enumeration of
the botanical productions of the Sandwich Islands, as far as known, would be a
valuable work, and very considerable materials might be found in our herbaria,

but the collection made by the Officers of the Suupuor, bears too small a pro-

NEW GUINEA REGION. 179

portion to the whole number, and the space to which we are limited too small to
undertake it here, and a mere list of the few collected of too little interest for
insertion.

VI.—NEW GUINEA REGION.

The plants collected during this portion of the voyage, were already published
in a paper, inserted in the London Journal of Botany, vol. i. p. 669, and vol. ii.
p- 211, before any arrangements were made for the separate publication of the
Botany of the voyage. It was, it is believed, the intention of the Editor to
reprint that paper, as well as a previous one on the Hong Kong collection (Lon-
don Journal of Botany, vol. i. p. 476) in the present work, but the space to which
we are limited now precludes any farther mention of them than the repetition of
the descriptions of the five following species now figured.

CuzrTosus volubilis, zen. nov. (Plate LVI.)\—New Guinea.

Cuar. Gen. Calyx brevis, 5-partitus, sepalis zestivatione imbricatis. Corolle tubus brevis,
ovoideus, faux leviter contracta, subnuda; limbi lacinia 5, oblongo-lineares, estivatione leviter
contorta. Stamina 5, imo tubo inserta. Antherse exsertee, in conum connate. Glandulze hypo-
gyne 5, conicee, ovario equilonge. Ovarium biloculare, ovulis in quoque loculo numerosissimis,
placentis dissepimento adnatis. Stylus filiformis. Stigma basi orbiculari impositum, oblongum,
apice breviter bilobum. Bacca bilocularis, crustacea, polysperma, seminibus peltatis dissepimento
affixis.

C. volubilis. Frutex glaber, ramulis volubilibus. Folia opposita, petiolata, ovata breviter acuminata,
penninervia, subtripollicaria. Stipule interpetiolares brevissimee, breviter a Cyme ee
axillares, 2-3-chotomz, petiolo paullo longiores. Calyx 4 lin. longus. Corolla intus extaegne glabra, tu :
lineam, limbi laciniis sesquilineam longis. Faux annulo obscuro aucta ; filaments crassinsculs, pilis igre
hirtella, tubo corolle paullo longiora. Ovarium gynophoro crasso-carnoso impositum, et
Baccee, in speciminibus immature, late obovoideo-globose, 4-5 lin. longe et late, nonnnllze loculo uno abor-
tiente ovoidee incurve. Semina in quoque loculo 4-5, matura non vidi. (Benth. in Lond. Jour. Bot. 2.
p- 226.)

The central placentation and stipulary ciliz indicate the affinities of this
genus rather with Loganiacee than with Apocynacee, and it is probably near to
the imperfectly known genus Picrophieus of Blume.

Plate LVI. fig. 1. flower; fig. 2. corolla cut open; fig, 3. stamen; fig. 4. nectarium, ovary and
style ; fig. 5. longitudinal section of the ovary; all magnified.

Leucosmia Burnettiana, gen. nov. Aquilarinearum (Plate LVII.)—Feejee inant.

180 BOTANY OF THE VOYAGE OF THE SULPHUR.

Cuar. Gen. Perigonium longe tubulosum, limbo 5-fido, laciniis zstivatione imbricatis.
Squame ad faucem 5, laciniis alternze. Stamina 10, 5 ad faucem laciniis perigonii opposita, 5 paullo
inferius inserta, squamis opposita; filamenta brevia; anthere lineares, versatiles, biloculares, loculis
longitudinaliter dehiscentibus. Vagina brevis, ovarii basin cingens. Ovarium biloculare, ovulis in
quoque loculo solitariis, ab apice anguli interioris pendulis. Stylus longus, filiformis, apice incras-
satus in stigma oblongum leviter emarginatum. Drupz sarcocarpium tenue, putamen crassum
lignosum biloculare dispermum. Semina pendula, exalbuminosa, cotyledonibus crassis, radicula
brevissima supera.

S. Burnettiana. Frutex (vel arbor?) glaberrimus. Folia opposita, exstipulata, breviter petiolata ovato-
elliptica vel suprema fere orbicularia, brevissime acuminata, integerrima, subcoriacea, nitidula, penninervia,
reticulato-venosa, 24-34 poll. longa. Flores in capitulo terminali breviter pedunculato circa 10, sessiles.
Involucrum in speciminibus nullum, sed cicatrices supersunt bractearum vel deciduarum, vel abortientium.
Perigonium gracile, basi et apice leviter ampliatum, extus glabrum, bipollicare; laciniee limbi crass, oblong,
obtuse, concave, 3-4 lin. longs, in alabastro valde imbricate ; tubus intus hirsutus. Squamee faucis parve,
ovate, vagina brevissima, glabra, integra. Ovarium oblongum, leviter compressum, villosum. Drupa magni-
tudine nucis avellane, compresso-globosa, siccitate rugosa, et interdum subdidyma, putamine crassissimo lignoso-
fibroso. Seminum testa nigro-fusca. (Benth. 1. c. pp. 231, 282.)

At the request of Mr. Hinds, I dedicated this species to Sir William Burnett,
Inspector-General of the Navy, a zealous promoter of natural history, and much
respected by the medical officers of the navy; regretting, at the same time, that a
genus existing already of the name of Burnettia, precluded my fulfilling entirely
the wishes of Mr. Hinds, to dedicate one to Sir William.

Plate LVII. fig. 1. perigonium cut open; fig. 2. section of the ovary; fig. 3. fruit; fig. 4. trans-
verse section of the fruit; fig. 5. seed; fig. 6. embryo: figs. 3 and 4, natural size, the remainder
magnified.

Denprosium bifalce, Lindl. sp. n., (Plate LVIII.) caule tereti levigato, folio (solitario ?) coriaceo
obovato acuto oblique emarginato, pedunculis longissimis rigidis nudis apice paucifloris, pedicellis
racemosis erectis floribus triplo longioribus, petalis lanceolatis trinerviis membranaceis labello ungui-
culato tripartito supra unguem crista duplici carnosa biloba undulata aucto, laciniis lateralibus

linearibus obtusis falcatis intermedia subrotunda, cornu obtuso incurvo.

This very singular plant exists in an imperfect state in the collection. Its
habit is different from that of any Dendrobium I am acquainted with; but since
this genus presents great diversity of habit, I cannot attach importance to that
circumstance, in the absence of a more complete knowledge of the structure of the
fructification. In my solitary specimen the main stem is gone, and I have only a
couple of rigid peduncles proceeding from a common point, with a surface like
that of a small bamboo, and a foot and a half long. With them, but separate
from them, is a remarkably coriaceous leaf, six inches long and two inches broad
at the broadest part, but how it fits on the stem there is no evidence to show.
The flowers are inserted in a few-flowered raceme at the end of the peduncles ;
they appear to have been purple and some pale colour, and are about as large as

: those of Aporum anceps. At the base of the middle lobe of the lip are two parallel

NEW GUINEA REGION. 181

sharp-ridged fleshy tubercles, which occupy the middle of a short unguis belong-
ing to the middle lobe (Lindl. in Lond. Journ. Bot. 2, p. 237).

Plate LVIII. fig. 1. flower; fig. 2. labellum and column, side view; fig. 3. labellum, seen
from above ; all magnified.

Denprosium (Spathulata) antennatum, Lindl. sp. n., (Plate LIX.) foliis lanceolatis carnosis
oblique emarginatis racemo oppositifolio brevioribus, sepalis acuminatis, petalis lipearibus duplo
longioribus reflexis, labello trilobo, venis quinque elevatis rectis per axin, lobo medio ovato acuto
plano tricostato.—New Guinea. ;

The petals of this curious plant are two inches long, and scarcely half a line
wide. The leaves are succulent, brittle, and veinless when fresh (Lindl. 1. c.
p- 236).

Plate LIX. fig. 1. labellum, magnified.

Denprogium (Spathulata) veratrifolium, Lindl. sp. n., (Plate LX.) foliis oblongis (ovatisve)
obtusis amplexicaulibus 9-11-nervibus, racemo terminali elongato multifloro, sepalis undulatis acutis,
petalis spathulatis obtusis planis vix duplo longioribus, labello oblongo obtuso membranaceo, venis
tribus elevatis per axin duabusque minoribus lateralibus, lobis lateralibus nanis obtusis, intermedio
oblongo undulato.—New Guinea.

A most beautiful plant, with racemes a foot and a half long, loaded with
flowers, whose spatula-shaped petals are an inch and more in length (Lindl. |. c,
p- 236).

Plate LX. fig. 1. labellum, magnified.

The plant which I described in the above quoted paper, under the name of
Cardiophora Hindsii (Benth. in Lond. Journ. 2, p. 216), has been shown by Dr.
Planchon to be the Soulamea amara, Lam., which is usually enumerated amongst
Polygalacee, with which it has but little affinity. Dr. Planchon refers it to
Simarubacee. .

The Piper fragile, Benth. 1. c. p. 234, with other species formerly included by
Miquel under Piper, has now, in his excellent monograph of Piperacea, been re-
moved to his new genus Chavica, under the name of Chavica Benthamiana.

The genus Serophyton, p. 52, is the same as Aphora, Nutt., which not having
been taken up in Endlicher’s Genera, I had overlooked, as shown by Gray and
Engelmann, Plante Lindheimeriane, p. 25. oe

The undescribed Euphorbiaceous plant, from California, mentioned in this
work, p. 54, is the same as the one since described by Nuttall under the name

of Simmondsia Californica.
+s

182 BOTANY OF THE VOYAGE OF THE SULPHUR.

The Ipomea mentioned, p. 135, as I. cymosa, is I, umbellata, Mey.—Chois.
in DC. Prod. 9, p. 377,—an American species, which closely resembles the Asiatic
I. cymosa in everything except the colour of the flower, which is yellow in
I. umbellata, of a pure white in I. cymosa.

The Editor having left Europe shortly after the publication of the Fourth
Part of this Work, the two last parts, commencing at p. 97, have been completed
by the Author of the Botanical Descriptions, who avails himself of this oppor-
tunity of adverting to the materials from which this work is compiled.

The principal collection placed in his hands was that made by the Editor
himself, Mr. Hinds, through whose liberality the original specimens have been
deposited in the subscriber’s herbarium. This extends over the whole of the
Stations mentioned in the work. A second collection was made likewise at the
whole or the greater part of the stations, by Mr. Barclay, the collector sent out by
the Royal Garden of Kew, and, through the kindness of Sir William Hooker, the
subscriber has been enabled to avail himself of a set of these plants deposited in
Sir William’s herbarium.

A considerable portion of the specimens described from Western Tropical
America, were gathered by Dr. Sinclair, and presented by him to Sir William
Hooker, in whose herbarium the originals of these species will be found, and
many of them likewise in the subscriber's collection, who owes a very valuable set
of them to Sir William’s liberality.

The original specimens of the Orchiducee are in Dr. Lindley’s herbarium,
and those of the Ferns in Sir William Hooker's.

The total number of species gathered in the voyage amounts to near two
thousand, of which above four hundred were previously undescribed.

. BU GrorcGe BENTHAM.
January, 1846.

INMDER OF &BP ECE 8.

(THE SYNONYMS ARE IN ITALICS.)

Page Page

Abronia arenaria, Menz. 43 ZEschynomene sensitiva, Sw... : oe
gracilis, Benth. 44 ZEsculus californicus, Benth, . ‘ : 9
umbellata, Lam. 43 Ageratum conyzoides, Linn. . ; ope» e
Abutilon californicum, Benth. 8 Alchornea grandis, Benth. é : . 164
graveolens, Wight. et Arn. 69 Alsodeia deflexa, Benth. ‘ ‘ on
pedunculare, Humb. et Kunth 69 Alstreemeria chorullensis, Herb. ; de
reflexum, Sw. ‘ 68 Amaranthus retroflexus, Linn. . : - 168
Acacia acantholoba, Humb. et Kunth 90 scariosus, Benth. (Plate LI.) _.. . 158
Hindsii, Benth. 90 spinosus, Linn. . ‘ : < At
macracantha, Humb. et Kunth . 90 urceolatus, Benth, ‘ : 158
pellacantha, Vog. 90 Amauria rotundifolia, Benth. . , pen!
villosa, Willd. 90 Ambrina ambrosicides, Mog. . ; « 159
Acalypha californica, Benth. 51 Ambrosia artemisieefolia, Linn. > 25, 115
leptoclada, Benth. 164 Amerimnum Brownei, Sw. . Be
obovata, Benth. (Plate LIII.) 163 Amphilophium paniculatum, Humb. et Kunth 129
pilosa, Cav. . d 164 Anacardium occidentale Linn. : 52 78
vestita, Benth. 164 Andropogon incompletus, Presl. ‘ Ree i
Achillea millefolium, Linn. 32 Anoda hastata, Cav. . : : 8
Achyranthes aspera, Linn. 157 lanceolata, Hook. et Arn. ‘ - 69
Acnistus arborescens, Schlecht. é 142 Anona reticulata, Linn. : . . 64
Acoma dissecta, Benth. (Plate XVII.) . 29 | Anotis thymifolia, DC. . . - 106
Acourtia formosa, Don 122 Anthurium Humboldtianum, Kunth. . 170
Acrocarpidium brevipes, Benth. 166 | Antigonon leptopus, Hook. et Arn. . 47, 160
Acrocomia selenocarpa, Mart. 169 | Antirrhinum cyathiferum, Benth. (Plate XIX.) 40
Adenaria purpurata, Humb. et Kunth 93 Aphelandra pectinata, Nees. . 186
Adenostemma Swartzii, Less. 111 Sinclairiana, Nees (Plate XLVIL ) : Ae
Adenostoma fasciculata, Hook. et Arn. 14 Aphragmia Heenkei, Nees ; ; - 146
Echmea laxiflora, Benth. ‘ 173 rotundifolia, Nees : ‘ - 146
pyramidalis, Benth. 173 Aplopappus arenarius, Benth. . : . 2
Egiphila glomerata, Benth. 154 baccharoides, Benth. . . - 24
JEschynomene glandulosa, Poir. 82 | Apodanthera gracilis, Benth. . 99

184

Arceuthobium oxycedri, Bieb. .
Ardisia cuspidata, Benth.
Argemone mexicana, Linn.
Argyreia oblonga, Benth.
Aristolochia inflata, Humb, et Kunth
odoratissima, Linn,
taliscana, Hook. et Arn.
Armeria humilis, Link.
vulgaris, Willd.
Artanthe Barclayana, Miq.
Beecheyana, Mig. :
brachypoda, Benth, (Plate LIV.)
cornifolia, Miq.
granulosa, Miq.
leucophylla, Miq.
sororia, Miq. ;
tuberculata, Miq. - :
Artemisia pachystachya, DC.
vulgaris, Linn.
Artocarpus incisa, Linn.
Asclepias curassavica, Linn.
incarnata, Hook, et Arn.
longicornu, Benth.
Aster chilense, Nees
divaricatus, Torr. et Gr.
Astragalus ervoides, Hook. et Arn.
Astrephia mexicana, Hook. et Arn.
Avicennia Meyeri, Miq.

Baccharis cinerea, DC.
consanguinea, DC.
Douglasii, DC. ; :
pilularis, DC. ° Q
rhexioides, Humb. et Kunth
spartea, DC.

Bahia latifolia, Benth. . : :
Barleria discolor, Nees
-micans, Nees’.
Bastardia crispa, St. Hil. :
viscosa, Humb. et Kunth :
Batatas acetoseefolia, Chois.
crassicaulis, Benth. —. :
paniculata, Chois.
pentaphylla, Chois.
quinquefolia, Chois.

Page

18
123

64
133
166
166
166

43

43
167
167
167
167
167
167
167
167

32

32
169
127
127
127

23
113

81
109
155

114
25
25
25

114

114
30

146

146
68
68

134

134

134

134

134

INDEX OF SPECIES.

Bauhinia columbiensis, Vog.
grandiflora, Juss.
inermis, Pers. .
latifolia, Cav.
lunaria, Hook. et Arn.
Pes-capre, Cav.
subrotundifolia, Cav.

Begonia filipes, Benth.
humilis, Dryand.

Beloperone californica, Benth.

Bertiera angustifolia, Benth.

Bertolonia hirsuta, Benth.

Bidens hispida, Humb. et Kunth
leucantha, Willd.
tereticaulis, DC.

Bignonia alliacea, Lam.
longiflora, Cav.
obovata, Hook. et Arn.
patellifera, Schlecht.
Sinclairi, Benth.

Bixa orellana, Linn.

Blakea glabrescens, Benth.

Blechum Linnei, Nees

Blepharodon mucronatum, Decaisne

Bletia acutipetala, Hook.

Boerhaavia polymorpha, A. Rich.
viscosa, Lag,

Boldoa lanceolata, Lag.
ovatifolia, Lag.

Bomarea edulis, Herb. .

Bouvardia linearis, Hook. et Arn.
scabra, Hook. et Arn.

Brandesia pubiflora, Benth.

pycnantha, Benth. ‘ A

Brassavola grandiflora, Lindl.

Brickelia hastata, Benth.

Bronnia spinosa, Humb. et Kunth

Browallia abbreviata, Benth. .
demissa, Linn.
peduncularis, Benth.

Bryonia attenuata, Hook. et Arn.

Buchnera elongata, Sw.

lavandulacea, Cham. et Schlecht.

pilosa, Benth.
Bucholtzia frutescens, Mart.

43,

Page
89
89
89
88
88
88
88
101
101

38
103

94
117
117
116
128
128
125
128

129
65
94

149

127

172

155

156

155

155

175

105

105

157

157

172
21
16

144

143

143
99

144

144

144

157

INDEX OF SPECIES.

Buddleia americana, Linn. ‘
Buena macrocarpa, Benth, (Plate XXXVIIL, .
Buettneria glabrescens, Benth.
lanceolata, DC.
Cacalia cirsiifolia, Hook. et Arn.
Cesalpinia corymbosa, Benth.
eriostachys, Benth. ‘ :
preecox, Ruiz et Pav.
pulcherrima, Sw.
Calea prunifolia, Humb. et Kunth
Calliandra californica, Benth. (Plate XI.)
grandiflora, Benth.
portoricensis, Benth.
Callipsyche eucrosioides, Herb.
Calonyction speciosum, Chois.
Calycophyllum candidissimum, DC.
Camara tilizefolia, Benth.
vulgaris, Benth. ‘
Campderia floribunda, Benth. (Plate Lil. )

Page

- 144

104
71
71
21
87
88
87
87

120
14
91
91

174

134

105

154

154

159

Campomanesia crassifolia, Benth. (Plate XXXVII.) 97

Canavalia brasiliensis, Mart.
ensiformis, DC.
gladiata, DC.
multiflora, Hook. et Arn.
obtusifolia, DC.

Cantua buxifolia, Lam.

Caperonia castaneeefolia, St. Hil.

Capparis amygdalina, Linn. .
avicenniefolia, Humb. et Kunth
brevipes, Benth.
crotonoides, Humb. et Kunth
scabrida, Humb., et Kunth ‘
Sinclairii, Benth. (Plate XXVII.)

Capraria biflora, Linn.
peruviana, Feuill.

Capsicum frutescens, Willd.
longum, DC. .

_Cardiophora Hindsii, Benth. . .

Cardiospermum coluteoides, Humb. et Kunth
hispidum, Humb. et Kunth
tortuosum, Benth. (Plate VI.) .

Carica cauliflora, Jacq. ‘ ‘ Ps

Papaya, Linn, . . + ‘
peltata, Hook. et Arn. . |
Carphephorus junceus, Benth.

85
85
85
85
85
132
165

Casearia pubiflora, Benth. ° .
Casparia latifolia, Kunth ‘ :
Pes-capre, Kunth
subrotundifolia, Kunth .
Cassia alata, Linn.
bacillaris, Linn. ‘ P
bicapsularis, Linn.
biflora, Linn.
-brasiliana, Lam.
diphylla, Lam.
occidentalis, Linn.
oxyphylla, Humb, et Kunth
pauciflora, Humb. et Kunth
picta, Don.
prostrata, Humb. et Kunth
punctulata, Hook. et Arn.
reticulata, Willd.
strobilacea, Humb. et Kunth °.
undulata, Benth.
viminea, Linn.
Cattleya Skinneri, Lindl. ‘
Ceanothus thyrsiflorus, Eschsch. .
verrucosus, Nutt.
Celosia cristata, Linn.
nitida, Vahl.
paniculata, Linn,
Celtis canescens, Humb. et Kunth
Cenchrus pauciflorus, Benth. . .
Centropogon surinamensis, Pres].
Centrosema angustifolium, Benth.
hastatum, Benth. 8

Plumieri, Benth,

Salzmanni, Benth, ‘ ‘

virginianum, Hook, et Arn. .
Cephelis tomentosa, Willd. . ‘
Cephalanthus occidentalis, Linn. a
Cestrum Parqui, Lhér. : é
Cheetogastra ferruginea, Hook. et Arn.

havanensis, DC, “ :

Cheetosus volubilis, Benth. (Plate LVI.)
Chamissoa altissima, Sw.

Chavica Benthamiana, Miq. . .
Chenopodium murale, Linn.

Chiococca racemosa, Jacq. "
Chloris alba, Presl. . : r

185

Page

186 INDEX OF SPECIES.

‘ ‘Chondrosium polystachyum, Benth.
Chrysobalanus Icaco, Linn.
Chrysophyllum Caimito, Linn. .
Chrysopsis echioides, Benth.
Cicca macrostachya, Benth.
Cirsium cernuum, Lag. . :
Cissampelos guayaquilensis, Humb. et Kunth

Pareira, Linn. .
Cissus obtusata, Benth.

salutaris, Humb. et Kunth
Clematis acapulcensis, Hook. et Arn.
Cleome pilosa, Benth. .

polygama, Linn.
Clibadium acuminatum, Benth.
Clidemia barbinervis, Benth.

crenata, DC,

cyanocarpa, Benth.

fenestrata, Benth. i 3
lacera, DC. ‘

polyandra, Benth. (Plate XXXIV, )
rubra, Mart. .

Clitoria arborescens, Ait.
brachystachya, Benth.
Poitei, Benth. .
Clusia subsessilis, Benth.
Cnidoscolus quinquelobus, Pohl
Cobeea macrostema, Pohl
Coccoloba acuminata, Humb. et Ruin:
leptostachya, Benth. ‘
Cocculus oblongifolius, DC. A
Cochlospermum hibiscoides, Humb. et Kunth
‘Ceelestina corymbosa, DC.
petiolata, Hook. et Arn.
‘Combretum argenteum, Bertol.
ertanthum, Benth.
farinosum, Humb. et Kunth
" mexicanum, Humb. et Kunth
-Commelyna acuminata, Humb, et Kunth

agraria, Kunth
ceelestis, Kunth : é
elegans, Humb. et Kunth é
leiocarpa, Benth. “3
Condaminea corymbosa, DC. ‘

Conocarpus erectus, Jacq.
Conostegia lasiopoda, Benth. .

Page

56

123

166
121

114
95

165
132
159
159
64
72
111
1]1
92
92
92
92
176
176
176
176
176

105 —

Conostegia polyandra, Benth. (Plate XX XV.)
xalapensis, DC, :

Convolvulus densiflorus, Hook. et Arn.
nodiflorus, Lam.

Conyza apurensis, Humb. et Kunth

Corchorus tortipes, St. Hil.

Cordia angustifolia, Reem. et Schult.
Bonplandii, Roem. et Schult.
dasycephala, Humb. et Kunth
ferruginea, Reem. et Schult.
gerascanthus, Jacq.
guayaquilensis, Alph, DC.
hispida, Benth.
microcephala, Willd.
peruviana, DC.

Coreocarpus parthenioides, Benth. (Plate XVI. )

Corethrogyne obovata, Benth.

Cornus glabrata, Benth.

Cosmos carvifolius, Benth. :
cordatus, Humb, et Kunth 3

Coutoubea densiflora, Mart.

Cremanium compressum, Benth.

Crescentia cuneifolia, Gardn. ;
obovata, Benth. (Plate XLVI.)

Crinum americanum, Lhér.
erubescens, Herb.

Crotalaria acapulcensis, Hook. et Arn.
buplevrifolia, Schlecht.
eriocarpa, Benth. ‘
Hookeriana, Alph. DC.
incana, Linn. . é
longirostrata, Hook. et nv, ;
maypurensis, Humb. et Kunth.
tepicana, Hook. et Arn.

Croton riparius, Humb. et Kunth
rivineefolius, Humb. et Kunth
setigerus, Hook.

Crudya acuminata, Benth.
oblonga, Bentb.

Crusea lucida, Benth. .
parviflora, Hook. et Arn. :
subalata, Hook. et Arn.

Cryptocarpus pyriformis, Humb. et Kunth

Cuphea Balsamona, Cham. et Schlecht.
bracteata, Hook. et Arn. :

Page
96
96

135
138
114
71
37
139
139
139
138
139
139
139
139
28
22
18
117
117
128
96
130
130
174
174
79
79
80
79
80
79
79
79
165
165
53
89
89
109
109
109
159
93
93

INDEX OF SPECIES.

Page

Cuphea floribunda, Hook. et Arn, : * 93 | Dichwa graminoides, Lindl.

Llavea, La Llay. et Lex. : «(OB Dichromena ciliata, Vahl. °
Melvilla, Lindl. ‘ ; «9B Dicliptera confinis, Nees

Curatella americana, Linn. 7 . . ee multiflora, Humb. et Kunth

Curcas purgans, Medik. ‘ ‘ - 165 unguiculata, Nees .

Cuscuta congesta, Benth. ; : «LGB Diectomis fastigiata, Beauv.
globulosa, Benth. . . - 138 | Dioclea guianensis, Benth.
laxiflora, Benth, ‘ j . 138 Diodia crassifolia, Benth. : ‘
patens, Benth.. . F : i» 8B setigera, DC. ‘

Cyclanthera leptostachya, Benth. j « 999 Diplandra lopezioides, Hook. et Arn.

Dipteracanthus foetidus, Nees

Dactyloctenium egyptiacum, Willd. 3 Distreptus spicatus, Cass.

Dalea canescens, Benth. j ‘ sae Dodecas surinamensis, Linn.
diffusa, Moric. : é - 80 | Drepanocarpus microphyllus, Mey.
divaricata, Benth. 3 . cae Drymaria crassifolia, Benth. . :
elata, Hook. et Arn. i 54D holosteoides, Benth. ,
elegans, Hook. et Arn. £ ii BO Dunantia achyranthes, DC. ; ‘
gracilis, Hook. et Arn. : - 80 Duranta Plumieri, Jacq. : :
ramosissima, Benth. (Plate X. ) £o4 a) Dysodia anthemidifolia, Benth.

Dalechampia hibiscoides, Hook. et Arn. - 163
sideefolia, Humb. et Kunth ‘ » A163 Echites biflora, Jacq.

Datura stramonium, Linn, i ; . 1143 hirtiflora, A. DC.

Davila rugosa, Poir. . . . «64 trifida, Jacq.

Decacheta Henkeana, DC. 112 | Eclipta erecta, Linn. .

Dendrobium antennatum, Lindl. (Plate LIX, ye. 181 Elaphrium Hindsianum, Benth. ‘(Plate VII, )
bifalce, Lindl. (Plate LVIII ee . 180 rhoifolium, Benth. (Plate VII.)
veratrifolium, Lindl. (Plate LX.) - 181 Eleocharis constricta, Reem, et Schult.

Desmanthus virgatus, Willd. , - 14 | Elytraria apargiefolia, Nees . .

’ Desmodium adscendens, DC. . i ~ - 82 ramosa, Humb. et Kunth ‘
ancistrocarpum, DC. . : - 82 | Encelia conspersa, Benth.
axillare, DC. . ; * f°782 nivea, Benth. . ‘ ‘
Barclayi, Benth. : 5 - 83 | Enckea decrescens, Miq. .
diversifolium, Schlecht . : . 8 -miconiefolia, Benth, .
heterophyllum, Hook. et Arn. . 2 ae platyphylla, Benth. £e5
incanum, DC. . : P - 82 | Epidendrum glumaceum, Lindl. :
molle, DC, ‘ * . Be macrochilum, Hook... ot
plicatum, Cham. et Schlecht. . - 82 radicans, Pav. | : ° ‘
trachycarpum, Lindl. . . .
podocarpum, Hook. et Arn. ‘ vee achycarpum,
‘radicans, Macfad. ; ‘ . 82 | Eranthemum eee Nees
reptans, DC. . : é 7 tRe cristatum,
Bester Desy. ; : (IBZ Eremocarpus setigerus, Benth. (Plate XXVI, )
Sinclairi, Benth. © ‘ : yo BQ Ericameria diffusa, Benth. i .
stipulaceum, DC. i ‘ gi eigg ‘microphylla, Nutt. :
trifloram, DC. . ‘ . 82 | Efigeron glaucum, Ker ee :
. ‘ lutipes, Hook. et Arn.
Diastema racemifera, Benth. ° a J velutipes,

187

Page
172
177
149
149
149
178
85
108
108
93
146
110
93
87
16
16
117
154
29

126
126
126
114
11
10
177
145
145
26
27
167
167
167
172
172
172
172
147
146
53
23
23
23
114

188

Eriodendron anfractuosum, DC,
Eriodyction crassifolium, Benth.
glutinosum, Benth.
tomentosum, Benth. ‘ .
Eriogonum cinereum, Benth.
elongatum, Benth.
fasciculatum, Benth.
gracile, Benth. .
intricatum, Benth. (Plate XXII. )
fasciculatum, Benth.
latifolium, Sm. . é
parvifolium, Sm.
Eryngium petiolatum, Hook.
Erythreea setacea, Benth.
Eugenia guayaquilensis, DC. .
pacifica, Benth.
sericiflora, Benth. j é
Eupatorium Barclayanum, Benth.
compactum, Benth,
conyzoides, Vahl.
dissectum, Benth.
Nexanum, DC.
odoratum, Linn,
ovaliflorum, Hook. et Arn.
paniculatum, Schrad.
Schiedeanum, DC.
sericeum, Humb. et Kunth
Euphorbia adianthoides, Lam.

anceps, Benth. ?
californica, Benth. (Plate XXIII. B)
colletioides, Benth. ‘ ‘
dioica, Humb. et Kunth
eriantha, Benth. é

Hindsiana, Benth. (Plate XXIV.)
hypericifolia, Linn, é ‘
leucophylla, Benth. i ‘
Magdalene, Benth.
-misera, Benth. .

nudiflora, Lam. . a
ocymoides, Hook. et Arn. .
pilulifera, Linn. ; .
polycarpa, Benth. " -
restiacea, Benth.

serpens, Humb. et Kunth
Sinclairiana, Benth.

. .

INDEX OF SPECIES.

.

Page

70

Euphorbia strigosa, Hook. et Arn.
Eustoma exaltatum, Griseb.
Evolvulus glabriusculus, Chois.
linifolius, Linn.
nummularius, Linn.
Exostemma occidentale, Benth.

Fagonia californica, Benth. ‘ .
Fragaria chilensis, Eschsch.

Frankenia grandifolia, Cham, et Schlecht.

Franseria chenopodiifolia, Benth.
hispida, Benth. . ‘ :

Fraxinus latifolia, Benth.

Fugosia cuneata, Benth.

Galactia brevistyla, Schlecht
Galinsoga hispida, Benth.
Galphimia angustifolia, Benth. (Plate v. )
Galvesia limensis, Domb. ;
Garrya elliptica, Douglh ——
Gaudichaudia Schiedeana, Ad. Juss.
Gaultheria odorata, Humb. et Kunth
Gaura fruticulosa, Benth.
Gesnera Deppeana, Cham, et Schlecht.
incurva, Benth.
petiolaris, Benth.
rhynchocarpa, Benth. .
spicata, Humb., et Kunth
Gilia capitata, Dougl.
pharnaceoides, Benth.
Glycine oblonga, Benth.

_Gnaphalium luteo-album, Linn.

palustre, Nutt. . , :
Sprengelii, Hook. et Arn.
Gomphrena celosioides, Mart. .« :

decumbens, Jacq.
globosa, Linn.
Gossypium barbadense, Linn.
Gouania corylifolia, Raddi.
Grindelia cuneifolia, Nutt.
Gronovia scandens, Linn.
Guazuma polybotrya, Cav.
Guettarda conferta, Benth.
Guzmannia tricolor, Ruiz et Pav.
Gustavia angustifolia, Benth. . :

Gymnopsis divaricata, Benth.
Gynandropsis speciosa, DC.
trichopus, Benth.
Gynoxis Henkei, DC.
scabra, Benth.
Sinclairi, Benth.
Gyrandra speciosa, Benth. (Plate XLV. )

Hemadictyon tomentellum, Benth.
Hematoxylon campechianum, Linn.
Halenia multiflora, Benth.

Hamelia patens, Jacq. ‘
Hasseltia floribunda, Humb. et Knaies
Hebanthe parviflora, Benth.
Hebeclinium tepicanum, Hook. et Arn.

Hedyotis asperuloides, Benth. (Plate XIII.)

mucronata, Benth.
thymifolia, Ruiz et Pav.

Heeria cupheoides, Benth. (Plate XXXII. )

Heimia salicifolia, Link. et Otto
Helenium puberulum, DC.
Helianthemum glomeratum, Lag.
Helianthus annuus, Linn.
californicus, DC.
scaberrimus, Benth.
Heliconia latispatha, Benth.
vaginalis, Benth. : i
Helicteres altheefolia, Lam.
baruensis, Lam.
guazumeefolia, Humb. et Kanth:

Heliocarpus popayanensis, Humb. et Kunth

Heliophytum indicum, DC.

parviflorum, DC. ‘ é
Heliotropium corymbosum, Ruiz et Pav.
curassavicum, Linn. . :

Helogyne fasciculata, Benth, (Plate XIV.)

Hemizonia pungens, Torr. et Gr.
ramosissima, Benth.

rudis, Benth. . : .
Hendecandra procumbens, Eschsch.
Henrya Barclayana, Nees : :

insularis, Nees (Plate XLIX.)
Herpestis Monnieria, Humb. et Kunth .
Heterocentron mexicanum, Hook. et Arn.
Heteronoma diversifolium, DC, ‘

Page
116
64
64
120
12]
120
127

126

128
106

156
112

106

14]

37, 141
20

31

INDEX OF SPECIES.

Heteronoma mexicanum, Benth.
Heteropterys Beecheyana, Ad. Juss.
Mathewsana, Ad. Juss.
Heterotheca floribunda, Benth. é
Hibiscus betulifolius, Humb. et Kunth :
denudatus, Benth. (Plate IIT.)
Hippocratea excelsa, Humb. et Kunth .
floribunda, Benth.
Hippomane mancenilla, Linn.
Hireea Barclayana, Benth.
Hirtella americana, Aubl.
racemosa, Lam.
Hosta longifolia, Humb. et Kunth
Hydrolea spinosa, Linn.

Hypolytrum pycnocephalum, Benth. :
Hyptis capitata, Jacq. : :
florida, Benth. . :

laniflora, Benth. (Plate XX.)
melissoides, Humb. et Kunth

pectinata, Poit.

polystachya, Humb. et Kunth
rhytidea, Benth.

spicata, Poit.

stellulata, Benth.

suaveolens, Poit.

verticillata, Jacq.

Indigofera anil, Linn, . :
lespedezioides, Humb. et ‘Kani

Inga guatemalensis, Hook. et Arn.
patens, Hook. et Arn.

Jonidium fruticulosum, Benth. (Plate I, )

Ionopsis utricularioides, Lindl. . :

Ipomeea brachypoda, Benth.
codonantha, Benth. f :
cymosa, Benth.
evolvuloides, Moric. . vs

microsepala, Benth.
oocarpa, Benth.
pedicellaris, Benth. é
puncticulata, Benth.
trifida, Don. : G
umbellata, Mey. ‘ ty
urbica, Chois.
Iresine celosioides, Linn,

190

Iresine interrupta, Benth.

Isertia coccinea, Vahl.

Isocarpha divaricata, Benth. (Plate XLL )
Isomeria arborea, Nutt. *

Jacquemontia abutiloides, Benth.
corymbulosa, Benth.
pycnocephala, Benth.
violacea, Chois.

Jacquinia armillaris, Jacq.
macrocarpa, Cav.
pubescens, Kunth

Janusia californica, Benth. (Plate IV.)

Jatropha nudicaulis, Benth.

Jussizea calycina, Presl.
hirta, Hook. et Arn.
linifolia, Vahl. :
macrocarpa, Humb. et Kunth .

octofila, DC. . . ‘
peploides, Humb. et Kunth
peruviana, Linn. :

Justicia oxyphylla, DC.
serrata, Humb. et Kunth

Kosteletzkya sagittata, Pres.
Krameria parvifolia, Benth. (Plate I.)

Lablab vulgaris, Savi
Lagascea angustifolia, DC.
latifolia, De. .
rubra, Humb. et Kunth .
suaveolens, Humb. et Kunth
Laguncularia racemosa, Geertn. .
Lamourouxia cordata, Cham. et Schlecht.
_multifida, Humb, et Kunth
_ viscosa, Humb. et Kunth :
Lantana camara, Linn. :
lippivides, Hook. et Arn.
salvieefolia, Jacq. :
tiliefolia, Cham. et Schlecht,
Lasionema glabrescens, Benth.
Leptoglossis schwenckioides, Benth.
Leptostachya crinita, Nees
Martiana, Nees ‘
Leuczena macrophylla, Benth. .

INDEX OF SPECIES.

Page

156

Leucosmia Burnettiana, Benth. (Plate LVII.)
Licania hypoleuca, Benth. (Plate XXXIL.)
Limnanthemum Humboldtianum, Griseb.

Limnobium Sinclairi, Benth.
Lindenia rivalis, Benth.
Linociera compacta, Br.
Linum Schiedeanum, Cham. et Schlecht
Lipocheete macrocephala, Hook. et Arn.
umbellata, DC.
Lippia asperifolia, Rich.
cardiostegia, Benth.
geminata, Humb. et -Kunth
myriocephala, Cham.
nodiflora, Rich.
Loasa chelidoniifolia, Benth.
Lobelia laxiflora, Humb. et Bonpl.
Leeselia amplectens, Benth.
coccinea, G. Don
glandulosa, G. Don
involucrata, G. Don
Lonchocarpus maculatus, DC. .
Lonicera involucrata, Banks
Lopezia hirsuta, Jacq.
Lopimia malacophylla, Mart.
Loranthus calyculatus, Hook. et Arn.
inconspicuus, Benth,
obovatus, Benth.
rhynchanthus, Benth.
Schiedeanus, Schlecht. .
Luhea rufescens, St. Hil.
Lupinus sericeus, Pursh. .
Lycium brevipes, Benth. . :
salsum, Ruiz et Pav. .
Lycopersicum esculentum, Mill.
peruvianum, Mill.

Lycoseris bracteata, Benth.

squarrosa, Benth.

Lysiloma Schiedeana, Benth. (Plate XXXL )

Lythrum maritimum, Humb. et Kunth .

Mabea Piriri, Aubl.

Macherium angustifolium, Vog. :
Madaria corymbosa, DC.

Malachra humilis, Benth. :
Malpighia retusa, Benth. .

Page
180
91
128
175
105
123
67
117
117
153
153
153
154
153
101
122
132
132
132
132

Malvaviscus acapulcensis, Humb. et Kunth
brevipes, Benth. ‘ ‘
mollis, DC.
pilosus, DC.

Mammea americana, Linn.

Manettia cuspidata, Benth.

Mangifera indica, Linn.

Maranta arundinacea, Linn.

Marila macrophylla, Benth.

Martinezia caryotefolia, Humb. et Kunth

Martynia althezefolia, Benth.

Maurandia juncea, Benth.

Maytenus phyllanthoides, Benth.

Melampodium tenellum, Hook. et Arn.

Melanthera deltoidea, Reichb. .
oxylepis, DC.

Melilotus parviflora, Desf. : 7

Melochia inflata, DC. .
nodiflora, Sw.
pyramidata, Linn.
serrata, Vent. .
tomentosa, Linn.

Mendozia puberula, Mart.

Mentzelia adherens, Benth.

INDEX OF SPECIES.

Metastelma californicum, Benth. (Plate XVIII. )

Miconia attenuata, DC.
guayaquilensis, Don

Micromeria Douglasii, Benth.

Mikania angularis, Humb. et Kunth
gonoclada, DC.

guaco, Humb. et Bonpl. ,
tamoides, DC. . ‘
Mimosa acantholoba, Benth. . ‘

eeschynomenis, Benth.
asperata, Linn. . . %

elliptica, Benth.

floribunda, Willd.

guatemalensis, Benth. . ‘
pudica, Linn.

pusilla, Benth.

Mitracarpium lineare, Benth. . ;
pallidum, Hook. et Arn. ,
schizangium, DC. .

villosum, Cham. et Schlecht. .
Mohlana secunda, Mart. ‘

.

Page
68
68
68

113
113
113
113
90
89
89
89
89
89
89
90
20
109
109
108
158

Momordica quinquefida, Hook. et Arn.
Monardella villosa, Benth. (Plate XXI.)
Morenia fragrans, Ruiz et Pay.
Mouriria parvifolia, Benth. (Plate XXXVI. )
Mozinna canescens, Benth. (Plate XXV.)
Muotingia calaburu, Linn.
Myosotis californica, Fisch. et Mey.
Myrica acuminata, DC.
aromatica, Schlecht.
californica, Cham. ‘
gale, Linn. . : ¥
Myriocarpa densiflora, Benth.
stipitata, Benth. (Plate LV.)
Myrsine erythroxyloides, Benth,

Nectandra glabrescens, Benth.
Neptunia plena, Benth.
Neuroleena lobata, Br. .
Nicandra physalodes, Geertn.

Obione Barclayana, Benth.
microcarpa, Benth.
tetraptera, Benth.

Ocotea salicifolia, Hook. et Arn. ‘
(Enothera cheiranthifolia, Hornem. ‘
Lindleyana, Dougl. : ‘
purpurea, Curt.
rosea, Ait. ‘ ; mika
Olyra latifolia, Linn. . 3
Oncidium iridifolium, Humb. et Kenth
stipitatum, Lindl. ; ‘
Oplismenus Burmanni, Beauv. . é
Oreodaphne californica, Nees. ‘
Ornithocephalus bicornis, Lindl. is
Orthotactus oblongus, Nees.
Oxalis microcarpa, Benth. . .
Newi, DC. ‘ ie
Oxymeris macrophylla, Benth. ‘

Oxypappus scaber, Benth. (Plate XLII.)

Pachira sessilis, Benth. F a
Palicourea guianensis, Aubl. . | ‘

parviflora, Benth. é
Panicum brevifolium, Linn. : ‘

californicum, Benth. . ‘

168
167
123

161

120
141

161

192 INDEX OF SPECIES.

Page

Panicum trichodes, Sw. ‘ j elee! s&s
Paritium tiliaceum, St. Hil. é anc 6S
Parkinsonia aculeata, Linn. . é pee OT
Paspalum paniculatum, Linn. . ‘ yk T?
Passiflora biflora, Linn. , ‘ . 100
feetida, Linn... ‘ . 100
littoralis, Humb. et Kunth ; . 100
quadrangularis, Linn. . ‘ - 100

rubra, Linn. ; ‘ j . 100
suberosa, Linn. . - é Pere ahs
Paullinia barbadensis, Jacq. ‘ < 00
curassavica, Linn. ‘ é gong
fuscescens, Humb. et Kunth ‘ ree A
Pavonia mexicana, Humb. et Kunth eer 68
typhaleoides, Humb. et Kunth . + 06

Pectis arenaria, Benth. é . rere 2 |)
nultiseta, Benth. : j ei Qe
taliscana, Hook. et Arn. : ea

Pedilanthus macrocarpus, Benth. (Pl. XXIII. A.) 49
Pennisetum purpurascens, Humb. et Kunth . 177
Pentagonia macrophylla, Benth. (Plate XXXIX.) 105

Perityle californica, Benth. (Plate XV.) - ae
microglossa, Benth. : . okie
Petiveria alliacea, Linn. é : ees 2s) |
Phaca candidissima, Benth. . : aes
vestita, Benth. . . ‘ 1
Pharbitis heterosepala, Benth. . : - 134
hispida, Chois. . : : - 134

nil, Chois. é ‘ : 62185
Phaseolus amplus, Benth. ‘ . BG
filiformis, Benth. " ‘ ee
gracilis, Benth. ‘ , » 85
truxillensis, Humb, et Kunth . poe BS
vulgaris, Linn. . : ; 8 BS
Photinia arbutifolia, Lindl. . ; ed f |
Phyllanthus floribundus, Humb. et Kunth - 166
Niruri, Linn. . : 4 . 166
tenellus, Benth. j ; 5°65
Physalis crassifolia, Benth. é ‘ eee ||
glabra, Benth. . , . . 389
Linkiana, Nees ‘ . roe 3
Phytolacca octandra, Linn. =. ‘ - 1659
Picrosia longifolia, Don : ~ 4322
Pinguicula lilacina, Cham. et Schicchs: po: BBS
Pinus insignis, Dougl. . ‘ ‘ 1 OS

Piper begoniefolium, Hook. et Arn. .
ellipticum, Hook. et Arn,
fragile, Benth.

Piptadenia patens, Benth.

Piqueria densiflora, Benth.
trinervis, Cav.

Piscidia erythrina, Linn. .

Pistia stratiotes, Linn. .

Pithecoctenium muricatum, DC.

Pithecolobium candidum, Benth.
dulce, Benth.
macrostachyum, Benth.
multiflorum, Benth.
oblongum, Benth.

Planarium latisiliquum, Desv. (Plate XXX.)

Platanus californicus, Benth.

Plumbago scandens, Linn.

Plumeria rubra, Linn.

Podopterus mexicanus, Humb. et Kunth

Poinciana pulcherrima, Linn. . ‘

Poinsettia pulcherrima, Grah.

Polygala hebantha, Benth.
paniculata, Linn.
rivineefolia, Humb. et Kunth

Polygonum acre, Humb. et Kunth
persicarioides, Humb. et Kunth

Porophyllum gracile, Benth.
tridentatum, Benth.
viridiflorum, DC.

Portulaca oleracea, Linn.

Posoqueria decora, DC.

Pothomorphe peltata, Miq.

Priva lappulacea, Pers. . .
Psidium pyrifolium, Linn. . :
Psoralea macrostachya, DC.

orbicularis, Lindl. ‘ ‘

Psychotria acuminata, Benth.
fimbriata, Benth.
justicioides, Schlecht. . :
micrantha, Humb. et Kunth
viridis, Benth,
Pterostegia macroptera, Benth. :
Puya heterophylla, Lindl.

Quamoclit coccinea, Chois. ‘ ‘

Page
167
167
181

89
110
110

81
169
129

91

91

91

91

91

81

54
155
126
160

87
161

67

67

67
159
159

29

30
118
102
103
167
152

97

11

11
107
107
107
106
106

44
174

133

Quamoclit hederzfolia, Chois.
vulgaris, Chois.
Quassia amara, Linn. fil.
Quercus agrifolia, Née.
aristata, Hook. et Arn, .
Douglasii, Hook.
elliptica, Née.
Hindsii, Benth.
Quinchamalium chilense, Lam.

Randia glomerata, Benth.
Renealmia racemosa, Peepp. et Endl.
Rhamnus olezefolius, Hook.
Rhinocarpus excelsus, Humb. et Kunth
Rhizophora Mangle, Linn.
racemosa, Mey.
Rhopala complicata, Humb. et Kunth
Rhus laurina, Nutt.
macrophylla, Hook. et ora
terebinthifolia, Schlecht.

_Rbynchosia grandiflora, Schlecht.

minima, DC.
Ribes malvaceum, Sm.

Menziesi, Pursh.

tortuosum, Benth.
Riedleia inflata, DC.

nodiflora, DC. .

serrata, DC,
Rivina humilis, Linn.

inequalis, Hook. k

secunda, Ruiz et Pav. . :
Raso californica, Cham. et Schlecht.
Rubus ursinus, Cham. et Schlecht.
Ruellia albicaulis, Bert. m :
Rumex crispus, Linn. . . :
Russelia rotundifolia, Cav.

sarmentosa, Jacq. ‘
Ruyschia bicolor, Benth. (Plate XXIX. )

subsessilis, Benth. . :
Rytidostylis gracilis, Hook. et Arn.

Sagittaria sagittifolia, Linn.
Sagrea sessilifolia, DC.

Salmea angustifolia, Benth.
Salvia Cruikshanksii, Benth. .

INDEX OF SPECIES.

Page
133
133

78
55
169
55
169
55
160

103
171
10

ey |:)
14, 92
92
161
ll

79

79

87

87

17

17

71
71
71
158
151
+158
14
14
146

47

144
144
73
73
100

175

94
117
151

Salvia elsholtzioides, Benth. (Plate L.)
lasiocephala, Hook. et Arn.
membranacea, Benth. .
occidentalis, Sw. ‘
orbicularis, Benth.
prasiifolia, Benth.
privoides, Benth.
scorodonia, Poit.
thyrsiflora, Benth. :

Sarcostemma arenarium, Benth.
bilobum, Hook. et Arn.
cumanense, Humb. et Kunth

Sauvagesia erecta, Linn.

Scaphyglottis fasciculata, Hook.

Schinus discolor, Benth. (Plate IX.)

Schnella columbiensis, Benth. .

Schradera stellata, Benth. (Plate XL.) .

Sciodaphyllum sphcrocoma, Benth.
Scleria bracteata, Cav.
Sclerocalyx mexicanus, Nees
Scoparia dulcis, Linn.
Scorodoxylum terminale, Nees
Scrophularia californica, Cham.
nodosa, Linn. 3
Securidaca volubilis, Linn. x

Semeiandra grandiflora, Hook. et Arn.

Serjania brevipes, Benth. .
glabrata, Humb. et Kunth
lupulina, Schum,
mexicana, Willd.
paniculata, Humb. et Kunth
racemosa, Schum. ‘

Serophyton Drummondi, Benth.
lanceolatum, Benth. .
pilosissimum, Benth.

Setaria glauca, Beauv. .
Sida betoniceefolia, Balb.
carpinifolia, Linn. :

depressa, Benth.

divergens, Benth.
Dombeyana, DC.

dumosa, Hook, et Arn. .
excelsior, Cav. . .
glanduligera, Benth. .
hondensis, Humb. et Kunth

193

194 INDEX OF SPECIES.

Page Page
Sida malveeflora, DC. - : 5 : 8 Tabebuia cordata, Benth, ‘ » » Age
nudiflora, Lhér. ; ‘ OF rosea, DC. : : ‘ . 130
paniculata, Linn. . ‘ oe Oe Tacsonia levis, Benth. . ‘ ‘ ‘AOU
reflexa, Cav... j ‘ =e sanguinea, Cav. ‘ . 2 JGR
rhombifolia, Linn. ‘ ‘ pay Ut, Tagetes microglossa, Benth... ; ee a
rhomboidea, Roxb. ‘ ‘ Prey 6 multiseta, DC. . . ; eee
urens, Linn. ‘ , ‘ te Tecoma Gaudichaudi, DC. i ‘ - 1380
Simmondsia californica, Nutt . ‘ <n2 EOE stans, Juss. ; ‘ . «ae
Sinclairia discolor, Hook. et Arn. d - 100 | Tephrosia crassifolia, Benth. . : cau
Smilax obtusa, Benth. ‘ : egalte glabrescens, Benth. ; ‘ ee
Solanum diphyllum, Linn. ; ‘ . 141 glandulifera, Benth. .. : «; St
flexicaule, Benth. ‘ , beens leucantha, Humb. et Kunth. ee
Hindsianum, Benth. . . te OO mollis, Humb. et Kunth : oo ee
nigrum, Linn. . ‘ ‘ 39, 141 oroboides, Humb. et Kunth : ee
scabrum, Vahl. . 5 ’ »- 142 piscatoria, Pers. , ‘ < 80
torvum, Sw. , F i 34D toxicaria, Pers. : : a?
verbascifolium, Linn. . j «141 Teramnus volubilis, Sw. ‘ a) ee
Soulamea amara, Lam, ‘ : eh soe Ternstroemia clusizefolia, Humb. et Kunth a ae
Spartina leiantha, Benth. : ‘ . 656 | Tetracera volubilis, Linn. . Ae,
Spennera aquatica, Mart. ‘ j Sut ee Tetramerium nervosum, Nees (Plate XLVIII. ) . 148
Spergularia rupestris, Camb, . j ee Y polystachyum, Nees. ; <. tag
Spermacoce parviflora, Mey. . é iin SOS Tetrapterys acapulcensis, Humb. et Kunth DOSS
tenuior, Linn. . : ‘ . 108 | Theobroma Cacao, Linn. . ‘ bo te
Spondias purpurea, Linn. ‘ ‘ . 79 | Thevetia neriifolia, Juss. : . 124
Sponia canescens, Decaisne ; . 169 plumerizfolia, Benth. (Plate XLII. ) a
Stachys ajugoides, Benth. ’ . . 43 | Thinogeton maritimus, Benth. . ; . 142
Macrei, Benth. ‘ + 43 | Tillandsia complanata, Benth. . . . 173
Stachytarpheta dichotoma, Humb. et Kunth soos disticha, Humb. et Kunth : “nee
Statice Limonium, Linn. ‘ Se divaricata, Benth. ; ; . 174
‘Stegnosperma halimifolia, Benth. (Plate XIL Se multiflora, Benth. s ‘ « 74
Stemmadenia glabra, Benth. (Plate XLIV.) . 124 | Tithonia angustifolia, Hook. et Arn... + 416
mollis, Benth. . : . +185 tagetiflora, Desf.
pubescens, Benth. ‘ af . 125 | Tococa acuminata, Benth.
_ Stemodia durantifolia, Sw. : : - 144 | Tournefortia calycina, Benth. . . .
. pusilla, Benth, . : ‘ . 144 hirsutissima, Linn, P ‘
Stenolobium cceruleum, Benth. ; mes levigata, Linn. ; ; ;
Stephanomeria virgata, Benth. . -. 32 leptostachya, Benth. . . :
Stevia elliptica, Hook. et Arn. : 742 obtusiflora, Benth. : .
, Heenkeana, DC. . . fy rufipila, Benth.
‘Stigmaphyllum ellipticum, A. Juss. eye velutina, Humb. et Kunth
fulgens, A. Juss. r oT Tradescantia cordifolia, Sw. é .
Stylosanthes humilis, Humb. et head eS cumanensis, Kunth
Styphonia integrifolia, Nutt Z oe triandra, Kunth
Swartzia grandiflora, Wilds; ; - 88 | Tridax procumbens, Linn.
Synedrella nodiflora, Gertn. . : - 118 | Trigonia rugosa, Benth.

INDEX OF SPECIES. 195

Page Page
Triplandron lineatum, Benth. (Plate AAV): 98 Vinca rosea, Linn. : : 126
Triplaris Cumingiana, Fisch. et Mey. - 160 | Viscum flavescens, Pursh, i : oe 18
Tripolium subulatum, Nees > ee) Kunthianum, DC, : . . 102
Triumfetta dumetorum, Hook. et Arn. . es | tomentosum, DC. ; ; ; 40s
heterophylla, Lam. ‘ A crf Vitex californica, Benth. ; ins ‘a0
thomboidea, Jacq. : ; gees | cartbea, Hook, et Arn. . : oe
Trixis frutescens, P. Br. : ‘ 32, 122 gigantea, Humb. et Kunth ‘ - 164
latifolia, Hook. et Arn. ‘ Ade lasiophylla, Benth. : . . 155
obvallata, Hook. et Arn. i mollis, Hook. et Arn. . ‘ « 166
Turnera cuneiformis, Hook. et Aru. : + TU.
Hindsiana, Benth. ; ; noe | Waltheria americana, Linn. ‘ yes See f |
ulmifolia, Linn. i : i a01 ovata, Cav, : . : cL
Wedelia acapulcensis, Humb. et Kunth «415
Uniola paniculata, Linn. : ; [478 cordata, Hook. et Arn. . . . 115
Urvilleea Berteriana, DC. ; : S76 grandiflora, Benth, . . - 115
Utricularia aphylla, Ruiz et Pav. ; << 166 paludosa, DC. . . . » 115
populifolia, Hook, et Arn. ° ee id
Vallesia chiococcoides, Humb. et Kunth ee et strigosa, Hook. et Arn, , » 115
dichotoma, Ruiz et Pav. ; 33. 124° subflexuosa, Hook. et Arn. ; oe et.
glabra, Cav... ; : oA Wigandia californica, Hook. et Arn. . on 0
Varronia calyptrata, DC. : ‘ +2 138 Kunthii, Chois. . : . . 141
rotundifolia, A. DC. . 138 scorpioides, Chois, . - ii
Verbena fasciculata, Benth. . : Awe Wissadula excelsior, Presl. : . »
lasiostachys, Link. : ‘ yt nudiflora, Benth. . . - 69
littoralis, Humb. et Kunth . . 382 Witheringia montana, Dun. . . . 141
paniculata, Lam. é 5 - 4!i phyllantha, Dun. : . |
veroniceefolia, Humb. et Kunth eee |
Vernonia lanceolaris, DC. ; ‘ - 109 | Ximenia americana, Linn. . - 160°
scorpioides, Pers. : ; . 109 | Xuaresia biflora, Ruiz et Pav. . oe . 144
Sinclairi, Benth. - 109 | Xylopia grandiflora, St. Hil. +108
Vicia bidentata, Hook. 5 5 eee
Vigna brachystachys, Benth. . : . 86 | Zauschneria californica, Presl. . ; v6
carinalis, Benth. : ‘ cee Zinnia angustifolia, Humb. et Kunth . = ,-15
villosa, Savi. =. ; : <0 Zizyphus acuminata, Benth. . - 96
Viguiera subincisa, Benth. : pee thyrsiflora, Benth =. ae
Vilfa virginica, Beauv. : 5 <6 ae :

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