194 SMITH: STUDIES IN THE GENUS LUPINUS 
6r. Lupinus densiflorus stanfordianus var. nov. [FIG. 35.] 
A var. palustri differt labio inferiore calycis 3-dentato, dente 
medio plerumque amplo; corolla pallido-luteolo-alba vel pallido- 
rosea; vexillo apice acuto vel abrupte contracto ungue rigido; 
seminibus 4 x 5 mm., asperibus, atro-fulvis maculis non claris. 
Bes 
oS 
—— = 
Fic. 35. LUPINUS DENSIFLORUS STANFORDIANUS C. P. Smith. 1. C. P. Smith 
791; 2. A. D. E. Elmer 2190 (US 655041); 3. W. F. Wight 140 (US 467702). 
Lower lip of the calyx three-toothed, the median tooth being 
well-developed; petals creamy or rose-tinted, the banner acute or 
abruptly contracted at the apex, the claw stiff; seeds rough, dark 
brown with indistinct specks; leaflets conspicuously ciliate on the 
midribs and margins. 
CALIFORNIA. Santa Clara County: Stanford University, 
base of foothills, 9 Apr., 1905, C. P. Smith’791 (Type, CPS); 
16 Mar., 1900, W. F. Wight 140 (US); Stanford University, Apr., 
1900, W. A. Atkinson (DS); west of road near Rocy House, 6 Mar., 
1900, W. A. Atkinson (DS); near Stanford University Apr., 1900, 
A.D. E. Elmer 2190 (US); foothills, Stanford University, 8 Apr.- 
4 May, 1902, C. F. Baker 475 (US, DS, NY, G). San Mateo 
County: Stanford University, by road from county bridge to 
Basaltic Rocks, 10 May, 1897, W. R. Dudley (DS); Los Trancos 
_ road, near Stanford University, 1 Apr., 1905, C. P. Smith 727 
(CPS) ; Stockfarm bridge, near Stanford University, 13 Apr., 1908, 
C. P. Smith t4o01 (CPS). . 
