SMITH: STUDIES IN THE GENUS LUPINUS 231 
Lupinus subramosus Hort.; Vilm. Fl. Pl. Terre 1: 479. 1865. 
Lupinus leonensis Wats. Proc. Am. Acad. 17: 338. 1882. 
Annual, biennial, or perhaps sometimes perennial, mostly 
branched at the base, the branches more or less decumbent, the 
whole plant 1.5-4 dm. tall, subappressed-silky pubescent, often 
with some spreading hairs; leaves several, very silky below and on 
the margins, glabrous or nearly so above, petioles fully twice as 
long as their longest leaflets, leaflets usually five only, oblanceolate, 
apex acute or obtuse, the lower leaves sometimes with more fleshy 
obovate leaflets, 12-25 mm. long, 6-12 mm. wide; peduncles 3-8 
cm. long, racemes 6-12 cm. long, several-flowered; bracts 5-6 mm. 
long, lanceolate, deciduous; flowers 10-13 mm. long, spreading, 
approximate, non-verticillate, pedicels 3-6 mm. long; calyx 
bracteolate, the bractlets often over 2 mm. long and 1 mm. wide, 
upper lid bifid, 4-5 mm. long, lower lip entire or acutely three- 
toothed, about 6 mm. long; petals broad, bright blue, the banner 
with a white center which may turn purplish with age, suborbicu- 
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Fic. 74. Lupinus SUBCARNOSUS Hook. 1. F. L. Lewton 75 (US); 2. A. Ruth 
344 (US); 3. E. Palmer 108 (G); 4. C. G. Pringle 8297 (US). 
lar, 11-13 mm. long, 9-13 mm. wide, wings Io-II mm. long, 
6-7 mm. wide, keel non-ciliate, the usually slender point sharply 
upturned; pods silky, 25-35 mm. long, 6-8 mm. broad, stout and 
somewhat constricted between the large seeds, ovules four or 
five; seeds gray or tawny, unmarked or obscurely spotted, about 5 
mm. long by 4 mm. wide, the hilum deeply sunken in a conspicu- 
ously projecting ring. 
This is another variable species, the extremes examined by 
Hooker appealing to him as distinct forms, although he must 
