SMITH: STUDIES IN THE GENUS LUPINUS 409 
Plants usually more congested than in the species; flowers 
appreciably smaller, 7-9 mm. long; pedicels and calyx-cup glabrous 
or sub-villous, lips villous, lower lip less than twice as long as 
broad, 3-4 mm. long, entire or three-toothed at apex; banner 
7-8 mm. long, 5-6 mm. wide, wings about 3 X 6 mm., keel 6 mm. 
long, straight or the acumen slightly upturned. 
CALIFORNIA. Modoc County: Surprise Valley, May, 1879, 
J..G. Lemmon (G). Inyo County: Deep Spring Valley, 1898, 
C. A. Purpus 5807 (UC, US). 
NevapA. Clark County: Jean, May, 1915, K. Brandegee 
(UC). Esmeralda County: Candelaria, W. H. Shockley 270 (UC). 
Humboldt County: Unionville, June, 1868, S. Watson 227 in part 
(US). Ormsby County: Carson City 1864, C. L. Anderson 84 

Fic. 52. Lupinus PUSILLUS INTERMONTANUS (Heller) C. P. Smith. 1. A. A. 
Heller 0500 (CPS); 2. Merrill & Wilcox 725 (US). 
(G); Empire City, June, 1882, M. E. Jones 3813 (NY, US). 
Washoe County: Wadsworth, May, 1909, A. A. Heller 9599 
(B, G, RM, UC, US, CPS); same locality, June, 1913, K. 
Brandegee (UC). 
OrEGON. Harney County: Alvord Desert, June, 1896, 
J. B. Leiberg 2432 (US); same locality, July, 1898, W. C. Cusick 
2020 (G, RM, UC, US). Lake County: Drews Valley, July, 
1893, Mrs. R. M. Austin (UC). 
WASHINGTON. Franklin County: Pasco, June, 1892, L. F. 
Henderson 2362 (G); same locality, May, 1899, C. V. Piper 2982 
(G. NY). Walla Walla County: Wallula, May, 1883, T. S. Bran- 
degee 706 (G) ; same locality, May, 1896, T. Howell 1920 (NY); same 
locality, May, 1903, J. S. Cotton 1028 (US); Walla Walla, Capt. 
Wilkes 955 (US 21026, right-hand specimen only*); same locality, 
May, 1903, J. S. Cotton 1028 (G); plains of the Columbia River, 

* The left-hand specimen is L. subvexus fluviatilis, in fruit. 
