retigeataer sah te te 2 ah . by LESEY 4% Se) OE Mrs oe * pete Ruane. he Se Te Re AO ig oat ker 2 cage HRT Rs wee here k We ALE A. hom eK a aD & porn ies aSe etait) hy. RAE ne RAL Dane aS Sah IDE BE Re ALD A Rot Arg POA ; Aen ASS Bese Se Ree ttt oD Se a res Orne? we m a ee Meme as ey ADAH EP > a > " es Nye < 6 Posting, 2) Poe ae ed Mh RES cA PN Mes x : Pediat i Na Suctg hha Be “ety 2 RD 2 ROAR Sta otter , . LR ache AL eR Nie tout i ‘ ren fe Tine sieve . ah Sabekeiee Sachem bores beet a? tpg eUk gee et» Fa Ye Oe ae to dha teen RR Premiere Shr SMa Re es ete THE Pekka OFT: ALPS Naquvo TVoOINVLog VOLUME THE SECOND MUIOX MAN AUVUAAI ie Mi a ~ oD a ~ LXXIX.—SOLDANELLA ALPINA. _— iis THE FLORA OF THE ALPS BEING A DESCRIPTION OF ALL THE SPECIES OF FLOWERING PLANTS INDIGENOUS TO SWITZERLAND; AND OF THE ALPINE SPECIES OF THE ADJACENT MOUNTAIN DISTRICTS OF FRANCE, ITALY, & AUSTRIA INCLUDING THE PYRENEES BY Ba ER EW. BENN EST MoAL, ac.,, LS; LECTURER ON BOTANY AT ST. THOMAS HOSPITAL WITH ONE HUNDRED AND TWENTY COLOURED PLATES IN TWO VOLUMES VOLUME THE SECOND LIBRARY * NEW YORK BOTANICAL GARDEN LONDON JOHN C. NIMMO 14 KING WILLIAM STREET, STRAND MD CCCXECVl ae Pairs t § fot. OF COLOURED PLATES VOLUME THE SECOND PLATE 59. Homogyne alpina ; : : : . . To face page 2 _60. Asteralpinus. : : : : 2 . oe 6 61. Gnaphalium Leontopodium . an 10 62. Achilleanana . : ‘ P : ; : - 14 63. Arnica montana . : : : : : ; iy 20 64. Centaurea phrygia 30 65. Dabeocia polifolia ss 42 66. Phyllodoce coerulea ' a 44 67. Rhododendron Chamecistus n 44 68. a ferrugineum . ; F : , 5 46 69. Pyrola uniflora . ; : é : : : 45 46 70. Androsace villosa ts 48 71. Primula farinosa . : , ; : : : vs 50 mo. Ss longiflora ‘5 50 73. a, watineta |. . : : ; ; a 52 74. >» »vealycina . a 52 75. a minima . : ; : ‘ ; : i" 54 76. - pedemontana . ys 54 a of viscosa . : : ‘ . ‘ - 56 78. Cortusa Matthioli ; ; f ; : : si 56 79. Soldanella alpina (fage 56). A : d . Frontispiece 80. “ minima . : : : ‘ To face page 58 $1. Cyclamen repandum vs 58 82. Trientalis europea . : : 2 : ne 60 83. Gentiana lutea . ; : F ; i P ae 62 84. a acaulis . : : . ‘ A ‘ as 64 85. se bavarica i : ; ; : ys 64 86. 7" verna . é : . ; P ; ‘ 66 vl LIST OF COLOURED PLATES PLATE 87. 88. 89. 90. gl. 92. 93- 94. 95: 96. 97: 98. 99. 100. IOI. 102. 103. 104. 105. 106, 107. 108, 109. 110. DLE: 112, ii: 114. 115. 116. 117. 118, 110. 120, Lithospermum prostratum Myosotis alpestris Ramondia pyrenaica Linaria alpina » origanifolia Erinus alpinus Veronica spicata . ap prostrata a nummularia . Pedicularis elongata 3 comosa Pinguicula alpina Globularia nana . Horminum pyrenaicum Micromeria Piperella . Scutellaria alpina Teucrium pyrenaicum . Oxyria digyna Daphne cneorum Salix reticulata Orchis globosa Gymnadenia odoratissima Cypripedium Calceolus Crocus nudiflorus Narcissus juncifolius Leucojum vernum Lloydia serotina . Paradisia Liliastrum Scilla bifolia Fritillaria Meleagris Bulbocodium vernum . Eriophorum alpinum Sesleria spheerocephala Juniperus nana To face page 68 70 74 76 78 80 82 84 86 88 90 94 96 100 102 104 108 116 122 130 134 138 142 144 146 148 150 152 156 158 162 172 188 196 THE Seana OF. THE ALPS Order XLVII.—COM POSIT. Inflorescence a capitule surrounded by an involucre of bracts; flowers small, all tubular, or the outer ones (florets of the ray) ligulate, the inner ones (florets of the disk) tubular; all bisexual, or some female, some male or neuter, and some bisexual; calyx-limb o or a feathery pappus; stamens 5, anthers always connate (syngene- sious); ovary inferior, 1-celled, 1-ovuled, stigmas 2; fruit a I-seeded achene, often surmounted by the feathery pappus. A vast order, the largest among flowering plants, comprising about one-tenth of the flowering flora of the globe, belonging to all climates and all altitudes. Many of the genera are distinguished only by minute characters, and in some of the genera the species are very difficult, running into one another by insensible gradations. Sub-Order TUBULIFLORA.—Flowers all tubular, or disk - flowers tubular, ray-flowers ligulate; no milky juice. Tribe EUPATORIE&. — Flowers all tubular, bisexual ; calyx pappoid; anther-cells not tailed; branches of style VOL. II. ‘ A NEW YOR BOTANICA GARDEN 2 THE FLORA OF THE ALPS slender, half-terete, papillose; leaves often opposite. Genera I-2. 1. EUPATORIUM, L. Capitules few-flowered, in terminal corymbs; branches of style long, exserted; leaves opposite. Not alpine. EE. cannabinum, L., Hemp-Agrimony; flowers pale purple, heads very large and many-flowered, leaves of 3—5 leaflets ; wet places, common. 2. ADENOSTYLES, Cass. Capitules few-flowered, numerous, in large compound corymbs; flowers pink; involucre usually of a single row of bracts; leaves alternate. Alpine or sub-alpine. A. albifrons, Rchb. (albida, Cass., Allzaria, Kern.); capitules 3—6-flowered, stem 1-2 ft., stout, lower leaves reniform-cordate, stalked, upper auricled, all irregularly toothed and tomentose beneath; mountain woods, fre- quent. A. alpina, BI. (viridis, Cass.) ; corymb less dense, leaves regularly toothed, glabrous or only slightly hairy beneath, upper ones not auricled ; moist mountain woods, frequent. A. leucophylla, Rehb. (candzdtsstma, Cass., hybrida, DC.); capitules 10-20-flowered, compact, leaves tomentose on both sides; high; Alps, Southern Switzer- land, Piedmont, Dauphiny; less common. Tribe TUSSILAGINE2.—Capitules many-flowered, soli- tary or corymbose ; flowers partially unisexual; branches of style connate in the disk-flowers; leaves alternate. Genera 3-5. ALPINA GENE. 1O COMPOSIT : 3. HOMOGYNE, Cass. Capitule usually solitary, on a nearly leafless scape, appearing before the leaves; involucre usually of one row of bracts; leaves mostly radical, stalked, round. Alpine. H. alpina, Cass. (Pl. 59); flowers yellowish-red, capi- tule solitary, stem 6-12 in., woolly, leaves cordate-reniform, crenate, green on both sides; alpine pastures, frequent. H.. discolor, Cass.; flowers yellow, capitule solitary, stem 3-9 in., woolly, bracts of involucre purple, leaves cordate- reniform, lighter and tomentose beneath; pastures; Tirol, Styria, Carinthia, Carniola. 7. sylvestris, Cass.; flowers yellow, stem 6-12 in., hairy, with I-3 capitules, leaves green on both sides, cordate-reniform, coarsely dentate, upper with sheathing leaf-stalk; pastures ; Styria, Car- inthia, Carniola. 4. TUSSILAGO, L. Capitule solitary, on a leafless scape; ray-flowers female, disk-flowers male, all yellow; leaves appearing after the flowers. Not alpine. T. Farfara, L., Colt’s-Foot ; very common. 5. PETASITES, Tourn. Capitules numerous, forming a terminal panicle on a leafless scape; flowers purple, red, or white; ray-flowers mostly female, with filiform corolla; leaves very large, appearing after the flowers. P. officinalis, Moench. (vulgaris, Desf.) Butter-bur; flowers pink, leaves up to 3 ft. in diam., tomentose or cobwebby beneath ; wet places in the lowlands, common. 4 THE FLORA’ OF: THE ALPS P. albus, Geertn. ; flowers yellowish-white, often mostly female, leaves roundish-cordate, thinly tomentose be- neath; by mountain streams; Switzerland, Jura, Vosges, Dauphiny. /. zzveus, Baumg.; flowers white or reddish, often chiefly female, leaves cordate-triangular, tomentose and snow-white beneath; by mountain streams, frequent. Tribe ASTEROIDEZ.—Ray-flowers female or neuter, ligulate, rarely all tubular, branches of style linear, blunt, glabrous; disk-flowers bisexual, anther-cells not tailed, branches of style linear, glabrous, tipped with a pubescent cone; pappus-hairs rigid or 0; leaves alternate. Genera 6-11. 6; BELIIS.. Ts Capitule solitary ; -disk-flowers yellow, ray-flowers white or pink; involucre campanulate, bracts in I or 2 rows, soft, green. Not alpine. B. perennis, L., Daisy ; everywhere. 7, BELLIDIASTRUM, Cass. Resembling 4e//zs, but achenes crowned by the per- manent pappus. : B. Micheli, Cass., Alpine Daisy; resembling Bed/zs perennis, but a larger plant, with more coarsely crenate leaves, and the bracts of the involucre acute; mountain pastures, frequent. 8. ERIGERON, L. Ray-flowers female, blue or purple, in several rows; disk-flowers bisexual, yellow; bracts in several rows; receptacle flat, pitted; pappus persistent. Mostly alpine. COMPOSIT 5 A. Ray-flowers erect:— A. acris, L., Flea- bane; capitules numerous, stem-leaves linear-oblong, half clasp- ing, entire, slightly hairy; dry banks in the lowlands; common. &. angulosus, Gaud.; leaves narrower, glabrous, ray-flowers pink or bright red; dry, alpine. B. Ray-flowers spreading; capitule solitary :—£. unz- florus, L.; ray-flowers lilac or white, involucral bracts green, very woolly, radical leaves blunt; alpine pastures. E. neglectus, Kern. ; ray-flowers peach-coloured, bracts reddish-brown, very woolly, radical leaves short, thick ; Alps, Tirol. C. Ray-flowers spreading ; capitules usually numerous: —E. alpinus, L.; stem 4-12 in., branched, with from 2 to 5 capitules, covered like the leaves with long hairs, leaves linear-oblong ; alpine pastures ; Switzerland, Jura, Dauphiny, Pyrenees. &. V2llarszz, Bell.; stem glandular- hairy, IO-I5 in., capitule larger (1 in. diam.), ray-flowers purple; Switzerland, Tirol, Carinthia, Dauphiny. JZ. Schleichert, Grml.; stem 4-6 in., slightly glandular, capi- tules smaller, ray-flowers white or light violet; Southern Switzerland, rare (Simplon, Zermatt, Saas). £. glabra- tus, H. and H.; stem 4-6 in., female flowers few or o, leaves ciliate, stem-leaves nearly glabrous; alpine pas- tures; local. &. Prantliz, Dal. Tor.; female flowers humerous, stem and stem-leaves hairy; Bavaria. 9g. SOLIDAGO, L. Capitules usually in branched scorpioid cymes; flowers all yellow; ray-flowers female; stigmas of disk-flowers tipped with papillose cones. Not alpine. S. Virgaurea, L., Golden Rod; woods, common. 5S. 6 THE FLORA OF THE ALPS alpestris, W. K., and mznuta, Gaud., are mountain forms. 10. ASTER, L, Disk-flowers bisexual, yellow; ray-flowers ligulate, female, blue or purple; involucral bracts in many rows; receptacle flat, pitted; pappus of many rows of hairs, persistent. Alpine. Aster alpinus, L. (Pl. 60); stem 2-4 in., capitule large (14-2 in.), solitary, ray-flowers violet, involucral bracts lanceolate ; high; Switzerland, Jura, Dauphiny, frequent. A. Garibaldiz, Briigg.; capitules 2-7, much smaller, ray- flowers violet; Eastern Alps, rare. A. Wolfiz, Favr.; stem 8-10 in., capitule large, solitary, ray-flowers blue, involucral bracts linear; rare; Sion. A. pyreneus, DC.; stem 14-3 ft., pubescent, capitules solitary or 3-5, ray- flowers blue, stem-leaves semi-amplexicaul; Pyrenees. A. Amellus, L.; stem 1-14 ft., pubescent, capitules numerous, corymbose, ray-flowers blue; dry hills; Swit- zerland, Jura, Dauphiny. 11, LINOSYRIS, DC. Flowers all tubular and bisexual; receptacle flat, pitted ; pappus-hairs in two rows. L. vulgaris, Cass. (Chrysocoma Linosyris, L., Aster Linosyris, Bernh.), Goldilocks; capitules small, in dense terminal corymbs, flowers yellow, stem simple, wiry, leafy, leaves linear; open hill-sides, rare; Switzerland, Jura, Dauphiny. Tribe INULE&.—Flowers often unisexual ; ray-flowers yellow, ligulate, or 0; disk-flowers tubular, bisexual ; ALPINUS. Xx.—ASTER =) r f COMPOSIT& - anther-cells with a slender tail; branches of style and pappus as in the last; leaves alternate. Genera 12-14. 12. INULA, L. Ray-flowers female or neuter, in one row; capitules solitary or in corymbs; receptacle flat; involucral bracts in many rows. Not alpine. I. Conyza, DC. (Conyza squarrosa, L.), Ploughman’s Spikenard; capitules very numerous, involucral bracts brown, plant strongly scented; thickets. J. spzreefolia, L.; stem very leafy, leaves coriaceous, ciliate, glabrous ; thickets ; Southern Switzerland, Dauphiny. | /. Azrta, L.; capitule often solitary, stem and leaves villous, involucral bracts erect; rocky; Southern Switzerland, Jura, rare. I. salicina, L.; capitules generally few, upper leaves cor- date, amplexicaul, lower linear-oblong, toothed; damp meadows; Southern Switzerland, Jura. Jf. Vazllantzz, Vill.; leaves grey-tomentose beneath, stem-leaves lan- ceolate, narrowed at the base; damp thickets; Western Switzerland, Dauphiny. /. drvztannica, L.; leaves soft, slightly toothed, stem-leaves cordate, amplexicaul, achenes villous; marshy fields; Switzerland, rare. J. montana, L.; capitule large, solitary, leaves covered on both sides with long silky hairs, achenes villous; dry; South- Western Switzerland, Dauphiny. 13. PULICARIA, Gaertn. Resembling /zuwla, but pappus with an outer row of short scales. Not alpine. The two English species, P. dysenterica, Gaertn., woolly, with half-amplexicaul leaves, and ray-flowers 8 THE FLORA OF THE ALPS longer than the involucre; common; and P. vulgarts, Gaertn., pubescent, ray-flowers erect, as long as invo- lucre; less common; both in wet places. 14. BUPHTHALMUM, L. Resembling /uzz/a, but receptacle covered with scarious scales. B. salicifolium, L.; flowers yellow, capitules large, solitary, leaves oblong-lanceolate, upper linear-lanceo- late, all entire; Southern Switzerland, Jura, Dauphiny, not common. &. grandiflorum, L.; capitules larger, bright yellow, leaves longer and narrower; rare. Tribe GNAPHALIEZ.—Resembling /nuuleg, but ray- flowers slender, tubular; pappus silky ; whole plant soft. Genera I5-19. 15. GNAPHALIUM, L. Flowers often unisexual, but moncecious; capitules small, collected into spikes or racemes; ray-flowers very slender, female, in I or more rows; disk-flowers bisexual ; involucral bracts soft, adpressed, as long as the flowers. Soft woolly herbs. The three English lowland species of Cud- Weed, G. luteo-album, L., with pale yellow flowers; G. sylva- ticum, L., with the capitules in leafy racemes or spikes, flowers white; and G. wliginosum, L., with the capitules in terminal heads, flowers white; occur also in Switzer- land ; the last in wet, the two others in dry sandy places ; the first in Southern and Western Switzerland, the two others everywhere. COMPOSIT 9 The following species are alpine :— G. supinum, L. ; czespitose, stem very slender, I-6 in., capitules one or very few, outer involucral bracts more than half as long as the capitule; very high; Switzer- land, Jura, Carpathians, Dauphiny, Pyrenees. G. nor- vegicum, Gunn.; stem 6-12 in., capitules in simple spikes, dark brown, outer involucral bracts one-third as long as capitule; very high. G. Hoppeanum, Koch; stem 1-6 in., with 1-5 heads, plant very tomentose; very high; Switzerland, Tirol, Carinthia, Salzburg. 16. FILAGO, L. Resembling Guaphalium ,; but the outer flowers of the capitule concealed by the involucral bracts. Small tom- entose herbs; not alpine. The English species, F. germanica, L. (including afz- culata, Sm., canescens, Jord., and spathulata, Presl.); minima, Fr.; and gallica, L., in sandy fields; also, in similar situations, /. arvenszs, L., a more branched plant, with capitules forming a panicle. 17. ANTENNARIA, Gaertn. Resembling Guaphalium, but usually dicecious. Alpine or sub-alpine. A. dioica, Gaertn. (Guaphalium dioicum, L.), Cat’s- Foot ; heads in simple corymbs, usually pink, stem 2-8 in., stoloniferous; pastures, common. A. carpathica, Bl.; flowers white, involucral bracts brown, stem not stoloniferous ; high; Alps, Carpathians, Dauphiny, Pyre- nees. TO); THE FLORA OF THE ALPS 18. LEONTOPODIUM, Br. Resembling Guaphalium, but heads surrounded by a whorl of long densely tomentose bracts, expanded like a star. L. alpinum, Cass. (Gnaphalium Leontopodium, Scop.), Edelweiss (Pl. 61). This beautiful and favourite alpine plant occurs in Switzerland, Jura (Déle), Tirol, Car- pathians, Dauphiny, and Pyrenees; but is much more abundant, and grows at a lower elevation, on the Alps south of the Rhone valley, than in Northern Switzerland, where it is largely cultivated by the guides. 19. Micropus, L. Interior row of involucral bracts concave, forming a cap which envelops the capitules. Not alpine. M. erectus, L.; stem 4-8 in., whole plant covered by a woolly tomentum; Southern and Western Switzerland, Dauphiny, rare. Tribe HELIANTHEA.—Ray-flowers ligulate, female or neuter, yellow, or 0; disk-flowers bisexual; leaves alter- nate or opposite. Genera 20-21. 20, DIDENS, UL. Flowers all tubular, or ray-flowers ligulate, neuter; leaves opposite. Not alpine. The English species, 2. tvzpartzta, L., capitules erect, leaves usually 3-partite; and &. cernua, L., capitules nodding, leaves undivided; in wet places, the former common. } Se LXI.--GNAPHALIUM LEONTOPODIUM. COMPOSIT 4 II 21. CARPESIUM, L. Flowers all tubular; leaves alternate. Not alpine. C. cernuum, L.; stem 4-12 in., leaves soft, pubescent, lanceolate, sinuate-dentate, capitules nodding; damp slopes; Rhone Valley, Geneva, Thun, Constance, Vier- wald-statter See, Dauphiny. Tribe ANTHEMIDEZ.—Ray - flowers usually ligulate, sometimes very slender and tubular, mostly white; anther- cells not tailed; branches of style linear, with truncate papillose or penicillate tips; pappus 0; leaves alternate. Genera 22-28. 22. ANTHEMIS, L. Capitule solitary ; ray-flowers ligulate, female or neuter, usually white ; disk-flowers perfect, yellow, rarely white ; branches of style short, with papillose tips; leaves bi- pinnatifid; plant often strongly scented. A. arvensis, L., Corn-Chamomile; and Cotula, L, foetid, are common weeds in cultivated land; also A. tinctorza, L.; ray-flowers yellow; waste places and road- sides in the South. The following are alpine :—A. mon- tana, L. (styriaca, Vest.); capitule about 1? in., disk- flowers yellow, involucral bracts broad, dark brown; Pyrenees, Styria. A. 7rium/fetti, All.; ray-flowers white, linear-oblong, twice as long as involucre, leaf-segments slightly toothed; rare; Ticino (Monte Generoso), Pyre- nees. A. alpina, L.; capitule about I in., ray- and disk- flowers both white, involucral bracts narrow, brownish ; Tirol, Styria. 12 THE FLORA OF THE ALPS 23. MATRICARIA, L. Ray-flowers ligulate, white, female, in one row, or O; disk-flowers bisexual; anther-cells not tailed; receptacle hollow, elongated after flowering; pappus o. Not alpine. M. Chamomilla, L., Wild Chamomile, with its pecu- liar odour; and MM. inodora, L. (Pyrethrum tnodorum, Geertn.), distinguished by its want of scent and its very narrow leaf-segments; are common weeds in cultivated land. 24. LEUCANTHEMUM, Tourn. Ray-flowers ligulate, female, white; disk - flowers tubular, bisexual, yellow; involucre usually flat or con- cave ; involucral bracts with scarious margins; pappus © or a membranous wing; fruit of ray-flowers ribbed, of disk-flowers compressed. L. vulgare, DC. (Chrysanthemum Leucanthemum, L.), Ox-eye Daisy; and L. Parthenium, G. Gr. (Matricaria Parthentum, L.), Feverfew, are common lowland plants. The following are alpine or sub-alpine :— A. Involucre hemispherical; heads corymbose:—L. corymbosum, G. Gr.; leaf-segments in 8-I5 pairs, those of the upper leaves linear-lanceolate, inciso-dentate ; mountain woods; Western Switzerland, Dauphiny, Pyre- nees, not common. B. Receptacle somewhat concave; capitule solitary ; stem nearly leafless:—Z. alpinum, Lam.; stem I-3 in., glabrous, upper leaves linear, entire; alpine pastures. L. minimum, Vill.; plant small, tomentose, with viscid or rough hairs; rare; Zermatt. COMPOSIT 13 C. Receptacle flat or somewhat concave; stem leafy :— L. heterophyllum, DC.; stem-leaves nearly regularly toothed, lower leaves narrowed into a leaf-stalk, border of involucral bracts narrow; Southern Switzerland, Tirol, Carinthia, rare. L. atratum, DC.; resembling vulgare, but dwarf, achenes of the ray with a membranous crest; alpine pastures, local. ZL. Gaudinz, Dal. Tor.; resembling vulgare, but lower leaves nearly entire; alpine pastures, frequent. JL. coronopzfolizum, Vill.; leaves fleshy, brittle, glabrous, deeply incised, radical leaves elliptical ; high ; Switzerland, Piedmont, Dauphiny, Pyrenees. JL. cera- tophylloides, All.; leaves fleshy, brittle, glabrous, shal- lowly pinnatifid, radical leaves wedge-shaped ; very rare; Switzerland (Linderskopf), Dauphiny. L. maximum, DC.; capitule solitary, very large, stem up to 2 ft., ray-achenes more or less crested; pastures; Dauphiny, Pyrenees. 25. CHRYSANTHEMUM, L. Resembling Leucanthemum, but ray-flowers yellow; achenes of ray-flowers triquetrous. C. segetum, L., Corn-Marigold; cultivated fields (not in Switzerland). 26. ACHILLAA, L. Capitules small, in dense corymbs; ray-flowers few, ligulate, short, white, yellow, or red; disk-flowers tubu- lar, bisexual; receptacle scaly; pappus 0; leaves very deeply divided; often densely czespitose. The alpine species appear often to hybridise. A. Millefolium, L., Milfoil, Yarrow, is very common in grassy places; and A. Ptarmzca, L., Sneezewort, in damp 14 THE FLORA OF THE ALPS meadows. A. setacea, W. K., with linear leaf-segments, is a mountain variety of Mzllefolium. The remaining species are alpine. A. Ray-flowers 6-20 (usually 10), as long as, or longer than, the hemispherical involucre (Parmuca, DO.) a. Plant very tomentose or silky:—A. Clavene, Lous leaves silky, elliptic-cuneate in outline, pinnatifid, with elliptic, blunt, entire or 2-3-toothed segments, stem erect, 3-6 in.; alpine pastures, common. cultivated land. 14. CALAMAGROSTIS, Adans. Rachis of spikelet with long silky hairs; spikelets in a close panicle with whorled branches, 1-flowered; stem tall, leafy. A. Flowering glumes hyaline:—C. LEfzgejos, Roth; panicle open, awn of flowering glume inserted above the middle; wet places. C. /anceolata, Roth; panicle open, awn terminal; swamps. C. ¢ezella, Host.; stem 18-24 in., slender, hairs of rachis few; dry; alpine. C. Ha/- leriana, DC.; stem 2-34 ft., rachis very hairy; alpine meadows. C. “4torea, DC.; panicle rather drooping, stem usually very rough; river-banks, local. 4. Flowering glumes not hyaline, or only at the edge, awn of flowering glume twisted (Deyeuxza, Clar.) :—C. varia, Lk. (montana, DC.) ; awn bent, hairs of rachis very long; bushy; alpine. C. arundinacea, Roth (sylvatica, DC.); hairs of rachis not so long, awn bent; bushy; alpine. C. meglecta, Fr.; awn straight; peat-bogs, very rare ; Pontarlier, Constance. 15. LASIAGROSTIS, Lk. Resembling Calamagrostis, but only the empty glumes enveloped in long silky hairs. L. Calamagrostis, Lk.; panicle spreading, white, shin- ing, awn of empty glume very long; rocky; alpine. 184 THE FLORA OF THE ALPS 16. GASTRIDIUM, Beauv. Empty glumes large, boat-shaped, flowering glume minute, 4-toothed. Not alpine; annual. G. lendigerum, Gaud. ; panicle glistening, spikelets with a long awn; sandy places, rare ; Geneva, Como, Pyrenees. Ly so VIPAS as Spikelet composed of one stalked bisexual flower; flowering glume with a twisted awn. S. pennata, L.; awn 8-12 in. long, plumose; high, rocky. S. capillata, L.; awn half as long, rough, not plumose; high, rocky; Southern Switzerland, Jura, Dauphiny, Pyrenees. Tribe AVENE&.—Spikelets in panicles, 2-, rarely 3- or 4-flowered; glumes 4 or more, the two lowest empty ; flowering glumes with twisted awns. Genera 18-22. 18. AIRA, L. Spikelets 2-flowered; flowers all perfect, or the upper ones imperfect. A. Rachis of spikelet not produced beyond the upper- most flowering glume:—A. precoxr, L.; panicle com- pressed, spike-like; sandy places; Valais, Piedmont, Pyrenees. A. caryophyllea, L.; panicle spreading, stem very slender; sandy places. re Bs « HS. PG LO DIDS P= Seer, Lota ohoe vee. FM k tog 4-3 oe 5 Se een “Reet Sue PH ae a bored das 4 ee ee ee eS a Foe eo ee 7 he a al agin Sua be «nie Soke ewe te eS. 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