258 



LEGUMINOSJ:. CXXXI. Asteagalus. 



legumes erect, oblong-lanceolate, villous, apiculated by the Style, flowers capitate, pedunculate, equal in length to the leaves; 



^.F. 



Native of Eastern Siberia, and beyond the Baikal. D. C. 



Gmel. sib. 4. t. 24. f. A. 



astr. no. 27. 



with purple. Very like the preceding species. 



Shrubby Milk-Vetch. FL June, July. Clt. 1804«. 



vexillum oblong, a little longer than the wings ; legumes ovate, 

 Flowers white, tipped compressed, pubescent, rather acute. %.li. Native of Siberia, 



Sh. 1 ft. 



59 A. ARBu'scuLA- (Pall. astr. no. 24. t. 17.) plant erect, 



in plains near the river Oby. Flowers purple. 

 Small-fruited Milk- Vetch. PI. 1 foot. 

 67 A. BARBATus (Lam. diet. 1. p. 314.) plant erect, clotlied 



shrubby ; leaves with 3 pairs of linear acute leaflets ; spikes of with canescent hairs ; leaves with 6-8 pairs of linear-lanceolate 

 flowers capitate, pedunculate, twice the length of the leaves ; leaflets ; spikes of flowers ovate, on short peduncles ; teeth of 



calyx subulately-filiform, longer than the corolla, clothed with 



stiff villi; vexillum linear, much longer than the wings. 11. H. 



\2 . F. Native of Siberia, in the Kirghisean steppe. Native of Armenia. D. C. astr. no. 12. A. hispidus, Labill. 



vexillum much longer than the wings ; legumes spreading, elon- 

 gated, linear, channelled on the back, clothed with adpressed 



pubescence. 

 Flow 



purple. Habit of the two preceding species. 



Little-tree Milk- Vetch. Shrub. 



60 A. suFFRUTicosus (D. C. astr. no. 5. exclusive of the sy- 

 nonymes,) plant diffuse, suffruticose, villous; leaflets ovate-ob- 

 long, 7-10-pairs; spikes capitate, few-flowered, pedunculate, 

 about equal in length to the leaves ; vexillum a little longer than 

 the wings ; calyx rather inflated and villous. ^2. F. Native of 

 Siberia, beyond the Baikal. Flowers purple. Perhaps this 

 species belongs to a different section. 



Sujfiutlcose Milk- Vetch. Shrub. 



syr. dec. 1. t. 8. Flowers purple. 



Bearded Milk-Vetch. PI. | foot. 



68 A. Labrado'ricus (D. C. prod. 2. p. 287.) plant procum- 

 bent, clothed with minute pubescence ; leaflets ovate ; spikes of 

 flowers pedunculate ; legumes secund, straight, acuminated at 

 both ends, pendulous. % . H. Native of the north of Canada 

 and of Labrador. A. secundus, Michx. fl. bor. anier. 2. p. 67. 

 but not of D. C. Flowers of a deep purple-colour. Perhaps 



belonging to a different section. 



Labrador Milk- Vetch. PI. procumbent. 



746.) plant suffVuticose, erect ; leaves with 5 pairs of lanceolate- 

 linear hoary-pubescent leaflets ; racemes axillary, loose, exceed- 



H. Native of Arctic America. Flowers 



ing the leaves, 

 white or bluish 



61 A. aborigino'rum (Richards, in Frankl. journ. append, p. 69 A. Missourie'nsis (Nutt. gen. amer. 2. p. Q9?) plant almost 



stemless, rather diflTuse, clothed with canescent vilH; stipuias 

 ovate; leaves with 5-10 pairs of small obovate-elliptic leaflets ; 

 spikes of flowers capitate, standing on peduncles, which are a little 

 longer than the leaves ; calyx covered with black hairs ; legumes 

 oblong, acuminated, transversely-dilated, nearly glabrous, half- 

 bilocular. 7/. H. Native of Upper Louisiana, on hills about 

 the Missouri. Oxytropis argentatus, Pursh, fl. sept. amer. 2. p* 

 473. exclusive of the synonymes. Flowers purple, but there is a 

 variety with white flowers also. Perhaps belonging to a different 



the keel decidedly blue. The roots are long 



and yellow like liquorice. The Crees and Stone Indians gather 

 them in the spring as an article of food. 



Aborigines Milk-Vetch. Shrub 1 foot, 



62 A. adsu'rgens (Pall. astr. no. 44. t, 31.) plant ascending, 

 smoothish : leaves with 11-12 pairs of lanceolate acute leaflets ; 



stipuias acuminated, length of leaves ; spikes of fl 



oblong, section. 



pedunculate, longer than the leaves ; vexillum longer than the 



Missouri Milk- Vetch. 



PI. i foot. 



wmgs 



^^ r ^j - — — - - ^, — _ _ _ _ 



legumes oblong, terete, and somewhat tetragonal, sul- 70 A. caryoca'epus (Ker. hot. reg. t. 176.) plant having nu 



cate on the back, npiculated by the style, erect, clothed with ad- merous, prostrate, assurgent stems, rising from the same root 



H. Native of Siberia beyond the clothed in every part with hoary-silky down; stipuias ovate 



pressed pubescence. 

 Baikal. 



If. 



) 



) 



Flowers bluish purple. 

 f^ar. /3, proslraius (Fisch. hort. got.) stems prostrate. 

 Native of Siberia about Irkultsk. 



1/,H. 



acute; leaves with 9-12 pairs of elliptic leaflets; pedunci^ 



shorter than the leaves : racemes loose-flowered ; legumes nu " 



^seeded. 



Asstirgcnt Milk- Vetch. 



Clt. 1818. Phase. 



Fl. June, July. 



6S A. laxma'nni (Jacq. hort. vind. 3. p. 37.) plant erect or 

 diffuse, smoothish ; leaves with 11-13 pairs of oblong-lanceolate 

 leaflets ; spikes of flowers pedunculate, oblong, longer than the 

 leaves ; vexillum much longer than the wings ; legumes oblong, 

 trigonal, mucronatc, having a furrow on the back. % . H. Na- 

 tive of Siberia and North America, on the plains of the Missouri 

 river. Flowers pale-purple or pale-blue. A. Laxmanni of Pall. 

 astr. t. 30. differs in its more rigid habit. The American plant 

 appears to be upright. Jacquin's one is procumbent. 



Laxmann's Milk- Vetch. Fl. July, Aug. Clt. 1804. PI. 1^ 

 foot or procumbent. 



64 A. aore'stis (Dougl. mss.) stem erect, smooth ; leaflets 

 ovate-lanceolate, obtuse, beset with adpressed hairs ; peduncles 

 elongated, longer than the leaves ; spikes of flowers capitate ; 

 calyx villous; bracteas lanceolate, not half so long as the calyx. 

 % • H. Native of North America, near the Columbia river in 

 fields. Flowers purple. 



Field Milk" Vetch. PI. 1 foot. 



G5 A. dorycmoi'des (DougH mss.) plant erect, densely clothed 

 with hoary bilky villi ; leaflets obovate-linear, obtuse ; calyx 

 smooth: racemes longer than the leaves. It. H. Native of 



formed, 



inflated, fleshy, mucronate, glabrous, many 

 Native of Louisiana. A. crassicarpus, Fras. c^^-J^ ^' 

 A. carnosus, Nutt gen. amer. 2. p. 100. but not of Pyrs"j 

 Flowers of a pale-violet colour. Perhaps belonging to a diner^^ 

 division of the genus. 



Nut-fruited Milk-Vetch. Fl. June, July. PL prostrate. 



§ 4. Sesdmei {Semsen is the Arabic name of some siped^h 

 D. C. prod. 2. p. 287. Stipuias distinct, not adhering to t^ 

 petiole. Flowers purplish^ disposed in dense spikes or hea 

 Legumes straight* Roots annual. 



71 A. pentagl5ttis (Lin. mant. 274.) plant difflisely-pro^^^j. 

 bent, rather villous ; stipuias ovate ; leaves with 4-9 paifS 

 obovate retusely-emarginate leaflets ; peduncles rather long 

 than the leaves ; legumes half- ovate, somewhat triquetro t 

 echinated with tubercles, which are usually piliferous, aispo 

 in heads ; cells 1 -celled. ©. H. Native of Spain and Barbary, 

 on hiUs. D. C. astr. no. 16. Cav. icon. t. 1S8. A. crjstat'j^'l 

 Gouan. ill. 59. A. echinatus, Lam. A. procumbens, Mm. 



dasyglottis, Pall. Flowers blue and white. . _, - 



/ae-^0775u^rf or Five-podded Milk- Vetch. Fl.Ju. Jul. r^-P* 



72 A. GLAUx (Lin. spec. 1097.) plant procumbent, clotn^^ 

 ith canescent villi ; stipuias ovate-lanceolate ; leaves with - 



smooth; racemes longer than the leaves. %. rl. Jsiative ol with canescent villi ; stipuias ovate-lanceolate ; l^^^es wji» ^ 

 North America, near the Columbia river. Flowers purple. An pairs of small, oblong, acutish leaflets ; peduncles longer than ^ 



elegant plant. 



Dorijcnittm-like Milk- Vetch. PI. 1 foot. 



6G A. microca'rpls (D. C. astr. no. 29.) plant erect, gla- 

 brous; leaves with 10-12 pairs of elliptic leaflets; spikes of 



1 



leaves; vexillum linear ; legumes erect, ovate, triquetrous, n^^^^^ 

 nate, villous, disposed in heads ; cells 1-seeded. 0- H. ^^ 



of Spain and the south of France, in arid places. D. C. »str. • 

 22.~Clus. hist. 2. p. 242. with a figure. Allied to the smai« 



% 



