leguminos^e. 273 



2. Hosackia GRACILIS, Benth. 



Hab. Umpqua Mountains, in the southern part of Oregon and 

 Northern California. 



3. Hosackia subpinnata, Torr. & Gray. 



Hab. On the Walla- Walla and Upper Columbia, Washington Ter- 

 ritory. — Includes H. Wrangeliana, Torr. &* Gray, the Lotus Wrange- 

 lianus of Fischer and Meyer. Plant 8 to 18 inches high, more or 

 less branched, strigosely pubescent. Leaflets mostly 4, 6 to 8 lines 

 long, slightly glaucous, or sometimes canescently hirsute. Flowers 

 solitary, nearly sessile, very small, almost concealed among the leaves, 

 purple and white. Bracts unifoliate or wanting. Lobes of the calyx 

 twice as long as the tube. Legume about half an inch long, nearly 

 obtuse, tipped with the short recurved base of the style; about 

 3-seeded. 



4. Hosackia parviflora, Benth. 



Hab. Prairies near Nisqually, Puget Sound, and interior of Wash- 

 ington Territory. — Plant about a span high. Bracts 1-3-foliate. 



5. Hosackia Purshiana, Benth. 



Hosackia Purshiana, Benth. in Bot. Reg. sub 1. 1257 ; Hook. & Am. Bot. Beechey, 



p. 137; Torr. & Gray, Fl. 1, p. 327; Torr. Bot. Whippl. Rep. p. 79. 

 H. floribunda, data, pilosa, & mollis, Nutt. in Torr. & Gray, Fl. 1. c. 

 Lotus sericeus, Pursh. Fl. 2, p. 489 

 Trigonella Americana, Nutt. Gen. 2, p. 120. 



Hab. Puget Sound, and interior of Washington Territory ; also in 

 Oregon and Northern California. — After a comparison of numerous 

 specimens no doubt remains that all the species of Hosackia belonging 

 to the section Psycopsis must be reduced to one, the various forms 



69 



