SMITH: STUDIES IN THE GENUS LUPINUS 405 
San Bernardino County: Barnwell, May, 1911, K. Brandegee 
(UC 149898, 149909-10-11); Cima Station, May, 1915, and 
Lp 
Wy = 
Fic. 50. LUPINUS RUBENS FLAVOCULATUS (Heller) C. P. Smith. A.A. Heller 
669 (CPS 

June, 1915, K. Brandegee (UC). Kern County: South Fork 
Kern River, 1898, C. A. Purpus 5714 (UC, US). Modoc County: 
Surprise Valley, May, 1879, J. G. Lemmon (G). 
12a. Lupinus pusiILLus Pursh, Fl. Am. Sept. 2: 468. 1814. 
[F1G. 51.] 
Stems well-developed, branches ascending to widely-spreading, 
loosely villous, 1-2 dm. tall; peduncles 1-2 cm. Jong, racemes 3-5 
cm. long, mainly equalled or exceeded by the leaves; flowers 10- 
12 mm. long, well scattered; pedicels about 2 mm. long, villous; 
calyx villous, upper lip broader than long, 2 mm. long, the short 
teeth acute or rounded, lower lip over twice as long as wide, 5-6 
mm. long, the apex entire and acuminate, acute, or rounded, or 
occasionally three-toothed; petals Blatahy purplish, or almost 


Fic. 51. Lupinus pusit_us Pursh. 1. V. Bailey ro (US); 2. M. E. Moodie 946 
(US); 3. A. Nelson 8258 (US); 4. E. Palmer 82 (US 291129). 
white, banner 10-11 mm. long and 9-10 mm. wide, wings 8-9 
mm. long, 5-6 mm. wide, keel 8 mm. long, 3.5 mm. wide, the 
point somewhat upturned; pods 20-25 mm. long, lance-oblong, 
acute at the apex, slightly constricted near the middle, two-seeded; 
seeds about 4 mm. across, rugose, apparently unmarked. 
