470 



LEGUMlNOSiE. 



w ith a white vexillum and a blue keel, w hich is united to the decumbent, flexuous, angular, sparingly branched ; leaves with 



wings. According to Mr. Douglas this is the Navet de Praire 6-9 pairs of linear-oblong, obtuse leaflets, which are glabrous 



of Canadian voyagers and not the P. esculenta^ Pursh, p. 203. above, but clothed with adpressed pili beneath ; stipulas 



no. 40. of the present volume, to which the present plant comes small, broad at the base, acuminated, lower ones connected ; 



nearest. The roots, though stringy, dry, and tough, and con- peduncles longer than the leaves; racemes elongated, loose ; 



taining but little farinaceous matter, are gathered and eaten by calyxes rather silky ; legumes coriaceous, cylindrical, straight, 

 the Cree Indians raw, or sometimes roasted. 



sessile, acute, %. H. Native of North-west America, abun 

 dant on elevated and dry fertile soils of the Red River and As- 

 19 Gly'cine involucra'ta (Wall. pi. rar. asiat. 3. p. 22. sinaboin. Astragalus flexuosus, Dougl. mss. p. 256. no. 33. 



Brachiate Psoralea. 



PI. 1 to 11 foot. 



t. 241.) branches filiform, long, twining, pilose; leaflets oval, 

 ciliated ; racemes dense, axillary ; peduncles usually with 2 

 whorles of 3 roundish bracteas at the base. Tj . '^. G. Native 

 of Nipaul, also in Sirmore and Kamaon. Flowers white, tipped 

 with pink. 



Involticrafed-racemei Glycine. Shrub tw\ 



Suhtribe IV. GalegecBy p. 222. 



of the present volume. Flowers purple, very fragrant. This 

 species follows P. Lapponicuy p. 248. no. 14. of the present 

 volume. , 



/^/earwoM^-sfremmed Bastard-vetch. PI. 1 foot. 



25 Phaca coLLiNA (Hook, fl. bor. amer. p. 141.). %* H, 

 Native of North-west America, on the sub-alpine ranges of the 

 Blue Mountains. 

 no. 35. of the present volume. 



Astragalus coUinus, Dougl. mss. p. 256, 



' Corolla white, with a large 



The 



20 Petaloste MON ORNA^TUM (Dougl. mss. Hook, fl. bor. P^^'P^^ «P^^ ^", ^,"f ^/ the V^}^^^' ^ Stipulas oblong, leafy 

 amer. p. 138.) spikes of flowers oblong-cylindrical ; bracteas p'ant is remarkable for the linear leafl^ 



longer than the calyx, which is very villous ; leaves with 2-3 

 pairs of elliptic-oblong, glabrous leaflets. If. F. Native of 

 North-west America, frequent in the arid prairies near the Blue 

 Mountains, of Lewis's River. Bracteas subulate, hairy. Co- 

 rolla rose-coloured. This species comes near to P. cdrneum^ 

 Michx. p. 222. no. 2. of the present volume. 

 Ornamented Petalostemon. PL 1 foot. 



Hill Bastard-vetch. Fl. June, July. PI. 1 foot. 



26 Pha'ca pectina'ta (Hook, fl. bor. amer. p. 14fL t. 54.). 

 1^. H. Native of North-west America, in the pastures of the 

 Saskatchawan, and on the Red Deer and Eagle hills, bordering 

 on that river. Flowers large, white. Astragalus pectinatus, 

 Dougl, mss. p. 257. no. 53. of the present volume. 



PectinateAe^iVedi Bastard-vetcli. PI. decumbent. 



leaves with 6-9 pairs of broad-linear, obtuse leaflets; stipulas 



small, ovate, acuminated; peduncles longer than the leaves; 



racemes loose ; legumes oblong, coriaceous, compressed, clothed 



with appressed hairs, acuminated, tapering into a long stipe at 



the base, with thickened sutures. %. H. Native of ^orth 



America, on dry, sandy, and barren grounds, at the great falls 

 « , ^ , .K ^y . , ,^ *^ . 1 1 •.- in.;., plant 



Thi 



21 Caraga^na Bu'noei (Led. fl. ross. alt. ill. t. 464.) ^^ Pha^ca podoca'rpa (Hook, fl. bor. amer. V^lf'l^^l^^ 

 leaves ivith 2-3 pairs of broad-elliptic, distant leaflets, which canescent, much branched, diffiise; stems and branches stnatea , 

 are cuneated at the base, but rounded and truncate at the 

 apex, ending in a spine-like mucrone, rather silky on both sur- 

 faces ; stipulas spreadingly recurved, spinescent, permanent ; 

 petioles pungent, deciduous ; peduncles usually solitary, and are 

 as well as the calyxes silky. Tj . H. Native of Altala, in 

 the desert called KuriaCy and near the river Tschuja. Led. 

 fl. alt. 3. p. 264. Corolla yellow. To follow C arborescens^ 

 p. 243. no. 3. of the present volume. 



Bunge's Caragana. , Fl. June. Shrub 3 to 5 feet. 



w 



Siibtrtbe V. Astragalece^ p. 247. 



22 Phaca abbrevia^ta (Led. fl. ross. alt. ill. t. 330. fl. alt. 

 3. p. 268.) plant pilose when young, but when in an adult state 

 smooth ; stems erect, simple ; stipulas lanceolate-linear, re- 

 flexed, marcescent ; leaves with 21-23 oblong, mucronate leaf- 

 lets, which are rounded at both ends ; peduncles longer than the 

 leaves ; flowers numerous, disposed in a short raceme ; corolla 

 hardly twice the length of the calyx ; legumes stipitate, 

 compressed, when young densely clothed with pili. %, H. 

 Native of Altaia, in subalpine places at the mouth of the river 

 Abai. Flowers deep yellow. To follow P. alptna^ Lin. p. 247. 

 no. 3. of the present volume. 



Short-spiked Bastard-vetch. Fl. June, July. PI. 2 feet. 

 23 Pha'ca elonga^ta (Hook, fl. bor. amer. p. 140.) stem 



of the Columbia. Flow^ers middle-sized, white, 

 should follow P. arenaria, p. 248. no. 7. of the present volume. 

 Foot-fruited Bastard-vetch. Fl. June, Aug. PI. 1 ^ooU 



28 Pha^ca nigre'scens (Hook, fl. bor. amer. p. 143.) clothed 

 with obscure adpressed pili ; stems erect and decumbent, 

 branched, striated; leaves with 8-10 pairs of oblong, obtuse 

 leaflets, which are cuneated at the base ; racemes for the most 

 part longer than the leaves ; stipulas small, ovate, acutisn, 

 connate at the base; teeth of calyx a little shorter than the 

 tube ; legumes stipitate, oblong, membranous, compressed, g a- 

 brous. %. H. Native of North America, along the baska- 

 chawan to the Rocky Mountains, and as far north as rot 

 Franklin on the Mackenzie River. Corolla white or cream- 

 coloured. The present species should follow Phaca ct^spiiosa, 

 Nutt. p. 248. no. 6. of the present volume. The stems are 

 usually purplish. 



Blackish Bastard-vetch. Pl. erect or decumbent. 



29 Piia'ca aboriginorum (Hook, fl. bor. amer. p. 1**|> 

 %. H. Native of North America, from Lake Winipeg to tne 



erect, angular, pubescent, sparingly branched ; leaves with 8-10 Rocky Mountains, and as far north as Bear Lake in lat. • 

 pairs of oblong-cuneated, retuse leaflets, which are hoary be- Astragalus aboriginorum, Richards, p. 258. no. 61. of the pr 

 neath ; stipulas small, acuminated, broad at the base, lower ones sent volume, 

 connected ; peduncles itTuch longer than the leaves ; racemes 

 elongated, loose ; calyxes silky ; legumes coriaceous, cylindri- 

 cal, curved, sessile, acute, i/ . H. Native of North-west 

 America, on the plains of the Saskatchawan. Flowers small, 



Aboriginal Bastard-vetch. 



PI. 1 foot. , 



80 PiiVcA glabriu'scula (Hook, fl. bor. amer. p. ^*Y.^-m- 

 glabrous, or with a few scattered hairs ; stem erect, nearly si - 

 pie, striated ; leaves with 5-6 pairs of linear-lanceolate, acuti 



white, or cream-coloured, having the carina tipped with purple. leaflets ; stipulas ovate, acute, lower ones connate and larger , 



Ti • « .-,11 :„-.„ -r *i •« ,.i««i. «r;fU fl^^ ^i. i ^ i i .. « i ,. /"i^^^^ /.nmnresseu, 



There is a smaller variety of this plant with flexuous stems. 

 This species follows P. arenarta. Pall. p. 248. no. 7. of the 

 present volume. 



Elongated Bastard-vetch. PI. 1 to 1^ foot. 



legume on a rather lonff stipe, lanceolate, falcate, compre; 



^ ^ Native of North America, in 



General aspect very sinii- 



membranous, glabrous. 1/ . H. 



the valleys of the Rocky Mountains. * .^ 



lar to the preceding species, of which it may only be a van >• 



2t PiiA'cA TLEXUosA (Hook, fl. bor. amer. p. 141.) stem Corolla white or bluish, with the keel dark blue. 



