LEGUMINOS.E. 



471 



Smoothish Bastard-vetch. PI. 1 foot. 



31 Phaca e'legans (Hook, fl. bor. araer. p. 144.) plant 

 nearly glabrous ; steins branched, erect, or assurgent, angular ; 

 leaves with 5-7 pairs of oblong, obtuse leaflets, which are cu- 

 neated at the base, glabrous above, but clothed with minute 



§ 2. Verticillares, p. 251.. 



S7 Oxy'tropis piiysoca^rpa (Led. fl. ross. alt. ill. t. 381. 

 fl. alt. 3. p. 272.) stem shrubby, branched; leaves impari- 

 pinnate ; leaflets verticillate in fours, oblong or hnear, minute, 



adpressed pili beneath ; stipulas ovate, acute, rather connate at with ciliated margins, and bearded towards the apex ; petioles 



the base; racemes compact, on long peduncles, exceeding the usually permanent ; peduncles axillary, usually 3-flowered, rather 



leaves, but when in fruit much more elongated ; legumes sessile, shorter than the leaves, but at length elongated ; calyx rather 



elliptic, inflated, membranous, apiculated, clothed with black villous ; legumes inflated, muricate, ending in a curved beak. 



velvety down, 3-5-seeded. 11 



Native of North America, 



in the prairies of the Rocky Mountains. There is a smaller 



ascending variety with shorter racemes, which inhabits the sum- no. 41. of the present volume. 



>2 . H. Native of Altaia, on the tops of the alps at the river 

 Tschuja. Corolla violaceous. To follow 0. muricata^ p. 252. 



mits of the higher mountains. Leaves glaucous beneath. 

 Flowers of a bright and deep purple. This species should follow 

 P. LappSnicay p. 248. no. 14. of the present vobime. 

 Elegant Bastard-vetch. PL 1 foot. 



Bladder-fruited Mountain Milk-vetch. Fl. June. Sh. dense. 



38 OxY TROPis subverticillaVa (Led. fl. ross. alt. ill. 

 t. 292, fl. alt. 3. p. 275.) stem shrubby, branched, very short ; 

 leaves impari-pinnate ; leaflets somewhat verticillate by pairs 



32 Pha^ca bisulca'ta (Hook, fl. bor. amer. p. 145.) stems of fours, elliptic, silky on both surfaces ; petioles hardened, per- 

 rather decumbent, smoothish ; leaves nearly sessile, with 11-13 manent ; peduncles axillary, 3-flowered, shorter than the calyx, 

 pairs of elliptic leaflets, which are clothed with adpressed hairs which is beset with spreading villi ; legumes pubescent. Tj. H. 

 beneath ; stipidas ovate, acute, free ; racemes pedunculate, very- 

 much elongated ; flowers nodding ; legumes pendulous, stipitate, 

 linear-cylindrical, bisulcate, clothed with adpressed pubescence. 

 ^. H. Native of North America, on the plains of the Saskat- 

 chavvan. Flowers of a rich purple colour. This species should 



follow P. brachytropiSy Stev. p. 248. no. 16. of the present 

 volume. 



5t«//ca/e-podded Bastard-vetch. PI. 1 to 2 feet. 



Native of Altaia, in the Soongarian desert, between the moun- 

 tains Kent and Ku. Corolla violaceous. To follow 0. muri' 

 catay D. C. p. 252. no. 41. of the present volume. 



Subvcrticillate-\ea\ed Mountain Milk-vetch. Fl. July, Sept. 

 Shrub dwarf. 



§ 1. Acaulesj p. 249. 



33 Oxy'tropis foliolo'sa (Hook, fl. bor. amer. p. ^ 



stemless, and clothed with hoary villi ; leaves numerous ; leaflets 

 approximate, ovate or ovate-oblong, acutish ; scapes 

 longer than the leaves ; heads of flowers broadly ovate, small ; 

 nowers crowded, spreading, lower ones reflexed ; bracteas linear- 

 subulate, shorter than the calyx, which is beset with black hairs ; 



|egumes remotish, deflexed, cylindrical, acute, beset with black 

 hairs. — " -' - — - 



146.) 



aflets 



pilose. 



§ 3. Tragacanthoidece^ p. 252. 



39 Oxy'tropis polyphy'lla (Led. fl. ross. alt. ill. t. 277.) 

 stem shrubby, much branched, short ; leaves impari-pin- 

 nate ; leaflets 11-17, ovate-oblong, silky on both surfaces; 

 petioles hardened, permanent ; spikes of flowers sub-capitate, 

 axillary ; peduncles elongated, about equal in length to the 

 leaves; calyx clothed with white villi. Ij . H. Native of 

 Altaia, on mountains near the river Tschuja. Corolla viola- 

 ceous. To follow O. tragacanthoides, Fisch. p. 252. no. 42. of 



the present volume. 



Many-leafletted Mountain Milk-vetch. Fl. May, Ju. Sh. \ ft. 



40 Oxy'tropis leucopodia (Led. fl. ross. alt. ill. t. 282. 



to L tS:i 1.,^^ ""^ ^T I'^'^f l^?' ^'T ^^'\'^^ ^^""^^ fl- alt. 3. p. 279.) stem shrubby, much branched, short ; leaves 

 tne nocky Mountams. Petals bluish purple, their bases ; — ..:_ -i;..,^ . l^.A^,. „.„.1k; \9, nKlr.nrr-lmpnr. crl.'.hrmi. . 



i^early white." 



impari-pinnate; leaflets usually 13, oblong-linear, glabrous; 

 petioles hardened, permanent ; peduncles axillary, 2-flowered, 



J. - - This species is most nearly allied to 0. montiina, 



'lent m!' ?■• ^'atmJ^'^ present volume. - ^^^^^^ calyx covered with thick, elevated corpuscles ; le- 



sfoxv^r ''^ ^'*'"'''''^- ^V^^°i- , -n r.s gumes rather inflated, glabrous, ending in an acuminated beak. 



0^ Uxy TROPIS ARGYROPiiY LLA (Led. fl. ross. atl. dl. t. 54.) \ „ ^^^.^^^ ^P ^^,%-^ ^„ rnnnntains near the river Tschuia. 



's ^.atgyrce'a, D. C. p. 249. no. 4. of the present volume. 



i^iher-leated Mountain Milk-vetch. 

 J ^ Oxy'tropis sulphu'rea (Led. fl. ross. atl. ill. t. bo. fl. 



• >>• p. 285.) nearly stemless ; leaflets numerous, lanceolate, 



...^" young silky ; petioles and scapes beset with spreading 



P ' ; scapes a little longer than the leaves ; flowers horizontal, 



n dense spikes ; bracteas lanceolate-linear, about equal in length 



ne vulous calyx; legumes erectly spreading, ovate-oblong, 



omewhat o^celled, acuminated. ^ " ^ ' — 



^ar Uiddersk. Corolla sulphur-coloured. To follow 0. ca- 



e /'i • P-251. no. 26.of the present volume. 



5f^"'';^*5^<>w^^rf-flowered Mountain Milk-vetch. PI. ^ foot, 

 jl ^j Oxy'tropus brevicau'lis (Ledeb. fl. ross. alt. ill. t. 288. 

 sh '. ?* ^' 284.) plant caulescent, erect, rather silky; stem 

 lat^^^' .^^^ crowded ; stipulas adnate to the petioles, lanceo- 

 tw^' ^^^"^'^ated, ciliated ; leaflets ovate-oblong ; peduncles 



>ce the length of the leaves; racemes at length elongated; 



acteas about half the length of the calyx ; legumes cylindrical, 42 Oxy'tropis difpu sa (Led. fl. ross. alt. ill. t. 451. fl. alt. 



% . H. Native of Altaia, 



T2 . H. Native of Altaia, on mountains near the river Tschuja. 

 Vexillum and wings yellow. Keel bluish. To follow 0. tra- 

 gacanthotdes, Fisch. p. 252. no. 42. of the present volume. 

 White-petioled Mountain Milk-vetch. Fl. Ju. Sh. G inches. 

 41 Oxy'tropus aciphy'lla (Led. fl. ross, alt. ill, t, 281. fl. 

 alt. 3. p. 279.) stem shrubby, much branched; leaves abruptly 

 pinnate, with 2 or 3 pairs of oblong or oblong-linear, pungent 

 leaflets, which are silky on both surfaces ; petioles permanent, 

 hardened into spines; peduncles axillary, 2-3-flowered, twice 

 the length of the villous calyx; legumes oblong, acuminated, 

 villous. 12. H. Native of Altaia, on sandy hills at the river 

 Irtysch. Corolla purplish violet. Shrub forming a dense tuft. 

 To follow 0. tragacanthotdesy Fisch. p. 252. no. 42, of the pre- 

 sent volume. 



Needlc-leafletied Mountain M 



PI. May. Sh. tufted. 



§ 4. CauIescSntes. 



^^ect, pubescent, 1 -celled! 



Native of Altaia, in the 



Corolla 



ongarian desert, between mount Ku and Karkarala. 

 ^louiceous. Plant tufted. To follow 0. Son^arica, D. C. 



c^ ^^' ^^* of the present volume. 

 ^^<>rt- stemmed Mountain Milk^veto 



Fl. Ju. Aug. Pl.^ft. 



3. p. 281.) many stemmed, diffuse, beset with adpressed pili; 

 stipulas opposite the leaves, somewhat concrete, ciliated ; leaflets 

 ovate-oblong; peduncles at length nearly twice the length of 

 the leaves; flowers racemose; bracteas rather exceeding the 

 pedicels; legumes depressed, mucronate, deflexed, 1-celled, 



