374 LEGUMINOS^. Lupincs. 



of L. bicolor are often granulated, and the upper surface of the lower leaves 

 is nearly sniootli. In the dried stale the two plants do not appear very 

 distinct. 



13. L. bicolor (Lindl.) : hairy ; leaflets narrowly somewhat lanceolate, 

 canaliculate ; peduncle elongated, the flowers somewhat verticillate ; calyx 

 ebracteolate, the upper Up 2-cleft ; the lower entu-e, half the length of the 

 wings, scarcely loneer than the ])edicels ; legumes 6-7-seeded. Agardh. — 

 Lindl. hot. reg. t. 1109 ,- Hook. ! fl. Bor.-Am. 1. p. 162 ; Agardh ! I. c. 

 f. 14. 



In the shade of pine trees, Oregon, common, Douglas ! Nuttall ! Also in 

 California, Menzies ! Douglas /—Stems low, procumbent, brandling. Sti- 

 pules long, subulate. Flowers blue and white, verticillate in a short raceme ; 

 the wings much longer than the vexillum. 



14. L. pusillus (Pursh.) : very hirsute, dwarf, much branched from the 

 base ; leaflets 5-7, lanceolate-oblong, obtuse, narrowed at the base, the upper 

 surface nearly glabrous ; raceme spicate, on a short peduncle, the flowers al- 

 ternate ; bracts nearly the length of the calyx, persistent ; calyx ebracteolate ; 

 the upper lip 2-cleft, shorter than the obscurely 3-toothed lower one ; legumes 

 hirsute, about 2-seeded.— Pursh! fl. 2. p. 468; Nutt. ! gen. 2. p. 93; 

 Torr. ! in ann. lye. NewYorJc, 2. j). 191 ; HooJc! fl. Bor.-Am. 1. p. 162 ; 

 Agardh ! I. c. p. 15. 



Barren argillaceous plains of the Missouri, Lewis ! Nuttall ! Dr. James ! 

 and on the barren grounds of the Oregon, Douglas! — Plant 4-6 inches high. 

 Stipules adnate. "Raceme scarcely longer than the leaves, 8-12-flowered. 

 Corolla bright blue. 



§2. Perennial: leaflets several: legumes dehiscent at maturity ; the valves 

 often tivisting spirally. 



* Legumes several-seeded : seeds somewhat ovate; the hilum occupying nearly 

 the whole narrower extremity of the seed : cotyledons erect and petiolate in 

 germination : primordial leaves not evident in the seed, alternate : stem 

 annual or persistent, not shrubby. Agardh. 



t Stem mostly tall and erect, fistulous, somewhat glabrous, herbaceous : stipules 

 setaceous : racemes much elongated : flowers not very large : calyx mostly 

 ebracteolate, the lips nearly entire. Agardh, 



15. L. minimus (Dougl.) : small ; stem somewhat leafless; le£iflets7-9, ob- 

 ovate-lanceolate, silky on both sides ; stipules setaceous ; flowers somewhat 

 verticillate in an elongated spike ; bracts nearly as long as the calyx ; calyx 

 ebracteolate ; the upper lip somewhat 2-cleft, the lower 3-deniiculate ; keel 

 ciliate. Agardli. — Hook.fl. Bor.-Am. 1. p. 163 ; Agardh! I. c. p. 16. 



Mountain vallies near Kettle Falls, and along the Oregon near the Rocky 

 Mountains, Douglas ! (v. sp. in herb. Lindl.) — Plant 6-8 inches high, silky- 

 pubescent ; the leaves nearly all from the base. Scape 1-2-leaved : spike 

 densely flowered. Flowers purplish. 



16. L. lepidus (Dougl.) : stem few-leaved ; leaflets 7-9, linear-lanceo- 

 late, silky on both sides ; stipules setaceous-filiform ; flowers somewhat scat- 

 tered in a much elongated sjiike ; bracts nearly equalling the calyx ; calyx 

 bracteolate, the upper lip somewhat 2-cleft, the lower entire ; keel ciliate. 

 Agardh. — Dougl! in hot. reg. t. 1149 ; Hook. ! I. c. ; Agardh! I. c. p. 17. 



Oregon from Fort Vancouver to the valleys of the Blue Mountains, 

 Douglas ! Mr. Tolmie ! — Plant a foot or more in height, very silky. Si^ike 



