252 



LEGUMINOS^:. CXXX. OXYTROPIS. 



stemless, dwarf, clothed with silky white hairs ; leaves in pairs, 

 or 3 or 4 in a whorl, linear, acute ; scapes decumbent, longer 

 than the leaves ; spike capitate ; bracteas white and membra- 

 nous, rather longer than the calyx, which is villous. 1. H. 

 Native of Siberia, at the river Ina. Flowers blue, one-half 

 smaller than those of 0. Inar'ia. The legume, according to 

 Fischer, is ovate, inflated, mucronate, and pubescent. 

 Dwarf Mountain Milk- Vetch. PI. decumbent. 



36 O. LANA'TA (D. C. astr. no. 26.) plant with a short suffru- 

 ticose stem ; leaflets oblong, clothed with silky down, 4 in ;t 

 whorl ; stipnlas joined together ; scape shorter than the leaves ; 

 flowers capitate ; legumes ovate, turgid, villous, and woolly, 

 hardly bilocular. Tj . F. Native of Siberia, on hills. Phaca 

 lanata, Pall. itin. ed. gall, in 8vo. append, no. 386. t. 87. f. 2. 

 Phaca Sibirica, Lin. fil. suppl. 326. Astragalus dasyphyllus, 

 Pall. astr. p. 91. t. 75. Flowers purple. 



Woolly Mountain Milk-Vetch. PI. i foot. 



37 O. VERTICILLA'IUS (D. C. astr. no. 25.) plant stemless ; 

 leaflets linear, acute, acuminated, clothed with silky villi, dis- 

 posed 4 or G in a whorl on the petiole ; scape hairy, longer than 

 the leaves ; spikes ovate ; legumes erect, ovate, acuminated, 

 hardly half-bilocular. If . H. Native of Siberia. Astragalus 

 verticillaris, Lin. mant. 275. Amm. ruth. t. 19. f. 1. Flowers 

 flesh-coloured. 



/F/ior/e<Meafletted Mountain Milk- Vetch. Fl. July. Clt. 

 1819. PI. ^ foot. 



38 O. PROSTRA'TA (D. C. astr. no. 22.) plant stemless ; leaflets 

 linear, inflexed, rather villous, disposed 3 or 4 in a whorl on the 

 petiole ; stipulas very villous ; scapes decumbent, rather longer 

 than the leaves ; flowers capitate ; bracteas shorter than the 

 calyx, which is hairy. I/ . H. Native of Siberia, in sandy, gra- 

 velly, salt fields about Lake Tarei. Phaca prostrata, Lin. fil. 

 suppl. 336. Pall. itin. ed. gall. 8vo. append, no. 303. t. 87. f. 1. 

 Astragalus Dahuricus, Pall. astr. p. 88. t. 72. Legume unknown. 

 Flowers purple or flesh-coloured. 



Prostrate Mountain Milk- Vetch. PI. prostrate. 



39 O. MYRIOPHY'LLA (D. C. astr. no. 24.) plant stemless ; 

 leaflets subulate, pilose, disposed 4 or 6 in a whorl on the 

 petiole ; scapes erect, longer than the leaves ; flowers disposed 

 in a spike, lower ones rather remote ; bracteas about equal in 

 length to the calyx, which is cylindrical and villous ; legumes 

 erect, cylindrical, acuminated, tomentose, half bilocular. 7 . H. 

 Native of Siberia, on mountains in sandy places. Phaca my- 

 riophylla, Pall. voy. append, no. 384. t. 86. f. 2. Astragalus 

 myriophyllus, Pall. astr. p. 87. t. 71. Astr. verticillaris, Lin. 

 mant. 275. Willd. spec. 3. p. 1299. There are varieties of 

 this plant with dark-purple, blue, flesh-coloured, and white 

 flowers, and sometimes variegated with these colours. 



Myriad-leaved Mountain Milk-Vetch. Fl. July, Aug. Clt. 

 1818. PI. Afoot. 



40 O. OXYI>HY / LI.A(D.C. astr.no. 21.) plant stemless: leaflets 

 linear-lanceolate, clothed with silky pubescence, disposed 4 or 

 5 in a whorl, on the petiole ; scape hairy, about equal in length 

 to the leaves or longer than them ; spikes ovate-oblong ; le- 

 gumes ovate, inflated, acuminated, pubescent, 1-celled. I/. H. 

 Native of Siberia and Dahuria, on hills. Phaca oxyphylla, Pall, 

 itin. ed. gall, a'ppend. no. 380. t. 87. f. 3. Astragalus oxyphyl- 

 lus, Pall. astr. p. 90. t. 74. There are varieties of this species 

 with purple and pale flowers. 



Sharp-leaJIctted Mountain Milk- Vetch. Fl. July, Aug. Clt. 

 1816. PI. 4 foot. 



41 O. MURICA'TA (D. C. astr. no. 23.) plant stemless ; leaflets 

 linear, glabrous, disposed 4-8 in a kind of whorl on the pe- 

 tiole, young ones muricated beneath as well as the petioles and 

 legumes ; scapes glabrous, about equal in length to the leaves ; 

 bracteas rather longer than the calyx ; spikes of flowers ovate ; 



legumes lanceolate, arched, acuminated. !(.. H. Native of 

 Siberia, on mountains at the river Yenesee, and at lake Baikal. 

 Phaca muricata, Lin. suppl. Pall. itin. ed. gall, append, no. 

 385. t. 89. f. 1. Astragalus muricatus, Pall. astr. p. 89. t. 73. 

 Flowers yellow, ex Lin. 



Muricated Mountain Milk- Vetch. PI. | to i foot. 



3. Tragacanthoidece (from rpayos, tragos, a goat, aKavOa, 

 akantha, a thorn, and iha, idea, similar; in reference to the plants 

 contained in this section resembling the Goat's-thorn, in being 

 spiny). D. C. prod. 2. p. 280. Stems elongated, shrubby. 

 Stipulas adnate. Petioles permanent, at length becoming spines. 



42 O. TRAGACANTHOIDES (Fisch. in litt. D. C. prod. 2. p. 280.) 

 stem erect, branched ; petioles becoming hardened into strong 

 spines ; leaves with 5 or 6 pairs of elliptic-oblong leaflets, 

 which are clothed with adpressed silky down on both surfaces ; 

 peduncles few-flowered, length of leaves ; calyx clothed with 

 soft hairs, at length becoming inflated. T? . F. Native of the 

 Altaian mountains, at the river Baschka-us, where it was de- 

 tected by Mardofkin, in July 1822. This is a very elegant 

 plant, having larger flowers than any other species, they are 

 purple. The keel is furnished with a long beak. The legumes, 

 according to Fischer, are bladdery, almost globose, acuminated, 

 and hairy. 



Tragacanth-like Mountain Milk- Vetch. Shrub 1 foot. 



$ 4. Caulescentes (a diminutive of caulis, a stem ; the plants 

 contained in this section are furnished with stems). D. C.prod. 

 2. p. 280. Stems elongated. Stipulas not adnate to the petiole. 

 Leaflets rising in pairs from the petiole, not in nhorls. 



* Flowers cream-coloured. 



43 O. PILOSA (D. C. astr. no. 27.) stems erect, beset with 

 soft hairs as well as the rest of the plant ; leaflets lanceolate, 

 acute ; peduncles axillary, longer than the leaves ; spikes ovate- 

 oblong ; legumes erect, terete, hooked at the apex, villous. 

 %. H. Native of Europe, Tauria, and of Siberia, on moun- 

 tains near the river Oby. Sims, hot. mag. 2183. Astragalus 

 pilosus, Lin. spec. 1065. Jacq. austr. t. 51. Pall. astr. t. 80. 

 Lodd. bot. cab. 544. Gmel. sib. 4. t. 16. Flowers pale- 

 yellow. 



Pilose Mountain Milk- Vetch. Fl. June, Aug. Cl. 1732. 

 PI. 1 foot. 



44 O. PALLA'SII (Pers. ench. 2. p. 334. Bieb. fl. taur. suppl. 

 502.) plant caulescent, prostrate, pubescent or villous ; leaflets 

 oblong-elliptic, acutish; peduncles rather longer than the leaves; 

 spikes capitate ; legumes erect, oblong-terete, mucronate, hairy. 

 . H. Native of Tauria, among stones near Sudak. Astra- 

 galus lanatus, Pall. astr. p. 108. t. 81. Bieb. fl. taur. 2. p. 188. 

 Flowers very pale cream-coloured, much more so than the last 

 species. 



Pallas's Mountain Milk-Vetch. Fl. July, Aug, Clt. 1818. 

 PI. prostrate. 



* * Flowers purple or white. 



45 O. IE' RES (D. C. astr. no. 28.) plant caulescent, erect, 

 almost glabrous ; leaflets linear-oblong, acute, rather pubescent ; 

 peduncles twice the length of the leaves ; flowers few, about 7 

 or 8, disposed in a loose spike ; legumes erect, cylindrical, 

 mucronate, glabrous. Native of Siberia, at the river Oby, at 

 the place where the Irtish falls into it. Corolla purplish-blue. 



7'ere?e-podded Mountain Milk- Vetch. PI. 1 foot. 



46 O. FLOIUBU'NDUS (D. C. astr. no. 30.) plant caulescent, 

 erect, rather pilose ; leaflets linear, acute at both ends, pube- 

 rulous ; stipulas lanceolate ; peduncles axillary, at first snorter 

 than the leaves, but at length longer ; flowers spicate ; le- 



