216 MR. GEYER'S ROCKY MOUNTAIN PLANTS. 
Hook, Fl. Bor. Am.1. p. 164. L. laxiflorus, f. foliosus, 
Torr. et Gr. 1. p. 377. 
Has. Dry open Pine woods, Nez Percez Highlands. Many 
stems arise from one root. Flowers blue and yellowish. - 
June. (n. 423.) 
3. L. albicaulis, Dougl.—H ook. Fl. Bor. Am. 1. p. 165. Torr: 
et Gr. 1..p. 378. L. falcifer, Nutt. in Hook. herb. 
Has. Loamy, calcareous, sunny places, Kooskooskee Valley. 
(n. 390). 
4, L. pusillus, Ph.—Hook. Fl. Bor. Am. 1. p. 162. Torr. et 
Gr. 1. p. 374. 
Han. Gravelly hills on the Platte, very abundant, growing 
with Gaura coccinea, Sida coccinea, and Œnothera pinnati- 
fida. Standard azure, wings yellow or brownish. May, 
uices (n. 225.) 
L. polyphyllus, Lindl. Bot. Reg. t. 1097, et t. 1377- (B. 
Diesem Hook. Fl. Bor. Am. 1. p. 164. 
Has. High plains of the Kooskopskee River.: May, June. 
TO ee | 
1. Thermopsis rhombifolia, Nutt. (under Thermia), Gen. 1. 
p.283. Hook. Fl, Bor. Am. 1.p. 128. t. 47. Torr. et 
Gr. Am. 1. p. 388. Cytisus rhombifolius, PA. 
Has. Denuded places in the fertile valley of “ Black's Fork; 
Upper Colorado. Root ligneous, strong and creeping 
; August. (n- 224.) d 
. 9. T. fabacea, DC.—Hook. Fi. Bot, Am "à p. 148. Tor 
EL. Gr. Am. des; Ps 388. Sealers fabacea, Pall. Adee: 
+ dax Shady. robe and. open “vallon. Nez Perces € oun 
M . Root many yards long, thick, creeping, very ter 
.  - Legumes erect. Plant 1-3 feet high. - May. (n. 365.) 
: + Th. montana; —Nütt, Torr. et Gr. Am. 1. p. 388. 
À aw  Calcareous _ slopes of the * Black Hills vet | 
. - Platte, rare. May, June. (n. 254). ba 
i "n Sophora sericea, Nutt.— Torr. et Gr. Am. 1. p. 390. 
7 Has. Stony high Para gravelly h 
