LEGUMINOS^E. CXXXI. ASTRAGALUS. 



257 



Two-flowered Milk-Vetch. PI. i to 1 foot. 



3. Onobrycholdei (from onobrychis, saintfoin, and idea, like. 

 The plants contained in the division agree with Sain/Join in 

 habit). D. C. prod. 2. p. 285. Stipulas distinct, and free from 

 the petioles. Flowers purplish, disposed in dense spikes or heads. 

 I i\f ilium of Jloirers linear and elongated. Legumes straight, 

 rarely falcate. Roots perennial. 



* Legumes curved. 



46 A. LEPTOPHY'LLUS (Desf. atl. 2. p. 188. t. 207.) plant 

 procumbent, snfl'rutescent, and rather pubescent ; leaflets obcor- 

 date ; racemes longer than the leaves; legumes pendulous, fal- 

 cate, compressed, when young pubescent. I/. H. Native of 

 Barbary, on the mountains. A. Tunetanus, \Villd. spec. 3. p. 

 1277. Flowers white. 



Sleiider-leaccdUilk-Vetch. Fl. June, July. Clt. 1811. PI. 

 procumbent. 



47 A. ORNITHOPODIOI'DES (Lam. diet. 1. p. 312.) plant suf- 

 fruticose, tufted and diffuse, hoary and villous ; leaflets ovate ; 

 racemes longer than the leaves ; legumes pendulous, falcate, 

 compressed. l/.H. Native of Armenia. Flowers yellowish. 

 D. C. astr. no. 4. 



Ornitliopus-like Milk-Vetch. PI. diffuse. 



48 A. DAHU'RICUS (D. C. prod. 2. p. 285.) plant herbaceous, 

 erect, pilose ; stipulas lanceolate-subulate ; leaflets oblong, mu- 

 cronate, 7-9 pairs; racemes longer than the leaves; legumes 

 erect, incurved, linear, compressed, rather pilose. Tf.,11. Na- 

 tive on the banks of rivers from Dahuria to China. Galega 

 Dahurica, Pall. itin. 3. append, no. 107. t. W. f. 1. ed. gall, 

 append, no. 369. t. 81. f. 3. Flowers purple. The teeth of 

 the calyx are subulate, as in Galega, but the stamens are diadel- 

 phous, and the legumes are bilocular. 



Dahurian Milk- Vetch. Fl. July. Clt. 1822. PI. 1 to 2 feet. 



49 A. LENTICINOSUS (Dougl. mss.) plant smooth, prostrate ; sti- 

 pulas membranous, distinct ; leaflets obovate-roundish ; racemes 

 about the length of the leaves ; legumes smooth, inflated, curved 

 at the end, and ending in a long beak. If.. H. Native of North 

 West America, on the Blue mountains. Flowers apparently 

 purple. 



Freckled Milk-Vetch. PL f foot. 



50 A. STEVENIA'NUS (D. C. prod. 2. p. 285.) plant erect, 

 glabrous, slender, few-leaved ; leaflets linear, distant, 4 or 5 

 pairs ; spikes pedunculate, few-flowered, longer than the leaves; 

 flowers rather distant ; legumes linear, elongated, falcate, slen- 

 der, acute, and glabrous. If. . H. Native of Iberia, Cau- 

 casus, and Asia Minor. A. gracilis, Stev. ined. but not of Nutt. 

 Flowers purple, almost like those of A. onobrychis, but the habit 

 of the plant is that of A. varius. 



Steven's Milk- Vetch. PI. 1 foot. 



* * Legumes straight. 



51 A. MACROSTA'CHYS (D. C. astr. no. 38. t. 15.) plant 

 shrubby, erect, pubescent; leaves with about 12 or 14 pairs 

 of linear leaflets ; spikes pedunculate, elongated, many- 

 flowered, much longer than the leaves ; vexillum longer than 

 the wings ; legumes ovate, compressed, hairy. 1[ . H. Native 

 of Armenia. A. hedysaroides, Willd. spec. 3. p. 1264. Pers. 

 ench. 2. p. 337. no. 46. and Oxytropis hedysaroides, Pers. ench. 

 2. p. 334. no. 44. Calyx tubular, pilose. Flowers purple. 



Long-spiked Milk- Vetch. PI. -| foot. 



52 A. LINEARIFOLIUS (Pers. ench. 2. p. 336.) plant erect, pu- 

 bescent ; leaflets linear, acute, about 10 or 12 pairs ; racemes 

 much longer than the leaves ; vexillum broad, twice the length 

 of the wings. Tf.. H. Native of Siberia. Sweet, fl. gard. t. 

 73. A. Onobrychis angustifolius, D. C. astr. no. 24. A. tenui- 

 folius, Lin. spec. 1065. Flowers purple. 



VOL. II. 



Linear-leqflttted Milk-Vetch. Fl. July, Aug. Clt. 1780. 

 PI. 1 foot. 



5.'i A. PECTINA'TUS (Dougl. mss.) plant erect, pubescent; leaf- 

 lets filiform; racemes dense flowered, pedunculate, longer than 

 the leaves ; bracteas a little longer than the pedicels. If. . H. 

 Native of North America, in the pastures of the Saskatchewan, 

 &c. Plmca pectinata, Hook. fl. bor. amer. 141. t. 54. Flowers 

 large, purple. 



Pectinated-leaved Milk-Vetch. PI. 1 foot. 



54 A. ONOBRY'CHIS (Lin. spec. 1070,) plant diffuse or erect, 

 pubescent; leaves with 7-16 pairs of oblong leaflets ; spikes of 

 flowers oblong-ovate, pedunculate, longer than the leaves ; vex- 

 illum linear, twice the length of the wings ; legumes ovate, tri- 

 quetrous, rather villous, erect, twice the length of the calyx, 

 ending in a straight point ; cells 4-seeded. ~lf. . H. Native of 

 Europe and Siberia. D. C. astr. no. 24. Bieb. fl. taur. no. 

 1482. Flowers purple. An elegant plant. Of all the varieties 

 there are white flowers. 



Var. a, alplnus (D. C. prod. 2. p. 286.) plant dwarf; leaflets 

 linear; spikes ovate. If.. H. Native of Austria. Jacq. fl. 

 austr. t. 38. Plant procumbent. 



Far. ft, Moldavians (D. C. 1. c.) plant dwarf; leaflets ovate- 

 oblong, glabrous ; spikes of flowers ovate. If.. H. Native of 

 Moldavia. Plant procumbent. 



Var. y, microplnjllus (Bess, in litt. D. C. 1. c.) plant dwarf; 

 leaflets linear; spikes of flowers ovate-oblong. 3.H. Native 

 of Podolia. Plant procumbent. 



J'ar. <5, major (D. C. 1. c.) plant erect ; leaflets ovate or ob- 

 long ; spikes of flowers oblong. 1.H. Native of Siberia. A. 

 onobrychis stipulaceus et maxitnus, D. C. astr. no. 24. Gmel. 

 sib. 4. t. 21. 



Saintfoin-like Milk- Vetch. Fl. June, July. Clt. 1640. PI. 

 1-J foot, or procumbent. 



55 A. ADU'NCUS (Bieb. fl. taur. 2. p. 195. plant, ross. cent. 2. 

 t. 80.) plant diffuse and hoary ; leaves with 5-10 pairs of elliptic 

 small leaflets ; spikes short, pedunculate, longer than the leaves ; 

 vexillum much longer than the wings ; legumes ovate-oblong, 

 rather villous, ending in a long oblique acumen. 1(L. H. Native 

 of Caucasus, among broken rocks. Flowers purple. Very like 

 the preceding species. 



Hooked-podded Milk- Vetch. Fl. June, July. Clt. 1819. PI. 

 diffuse. 



56 A. FLA'CCIDUS (Bieb. fl. taur. 2. p. 196.) plant procum- 

 bent and villous ; leaves with 8 or 10 pairs of elliptic, somewhat 

 emarginate leaflets ; spikes few-flowered, pedunculate, about 

 equal in length to the leaves ; vexillum much longer than the 

 wings ; legumes triquetrous, prismatic, erect, acute, hairy. I/ . 

 H. Native of Iberia, very common. A. hybridus, Gmel. trav. 

 1. t. 18. ? A. vimineus var. Pall. astr. no. 28. Flowers purple. 

 Legume bent downwards at the apex. 



l-'taccid Milk- Vetch. PI. procumbent. 



57 A. VIMI'NEUS (Pall. astr. no. 28. t. 21.) plant erect, suf- 

 fruticose ; leaves with 4-6 pairs of lanceolate acute leaflets ; 

 spikes somewhat capitate, pedunculate, longer than the leaves ; 

 vexillum much longer than the wings ; legumes spreading ; ob 

 long-lanceolate, villous, apieulated by the style. f? . H. Native 

 of Siberia, Iberia, and about Odessa. A. cornutus, Pall. itin. 2. 

 app. p. 499. no. 122. A. Odessanus, Bess. enum. no. 944. ex 

 cont. 2. no. 1575. Stems glabrous. Leaves beset with adpres- 

 sed pubescence. Calyx clothed with black hairs. Corolla pur- 

 ple ? Legume clothed with white hairs. 



Twiggy Milk- Vetch. Fl. June, Aug. Clt. 1816. PI. 1 foot. 



58 A. FRUTICOSUS (Pall. astr. no. 26. t. 19. but not of Forsk.) 

 plant shrubby, erect; leaves with 8-10 pairs of linear-lanceo- 

 late acute leaflets ; spikes capitate, few-flowered, pedunculate, 

 longer than the leaves ; vexillum much longer than the wings ; 



L 1 



