LEGUMINOSiE. (PEA FAMILY.) 41 



7. albicaulis, Dougl. Distinguished by its flowers; which are light-blue to white, 

 the standard strongly reflexed, the margins cohering near the apex, naked, acute; the 

 narrow keel very strongly falcate. 



8. L. afliuis, Agardh. Stem a foot high; leaflets broadly wedge-obovate, emargin- 

 ate or obtuse, an inch long or more; the petioles twice longer; petals 5 lines long; the 

 keel usually naked; bracts short. 



9. L. nanus, Dough Slender stem 6 inches to a foot high, villous, often branching 

 from the base'; leaflets linear to oblanceolate, half to an inch long, the petioles I to 3 

 times longer; bracts exceeding the calyx; petals very broad, 5 to 6 lines long, bluish- 

 purple, or at flrst nearly white; the standard shorter and usually marked with purple 

 lines. 



10. L. micranthus, Dougl. Similar to the last, but the flowers smaller, in usually 

 shorter more dense racemes; bracts shorter than the calyx; petals 2 to 3 lines lonf^, 

 narrow. 



Var. microphyllus, Wat. The lower and more hirsute form, with leaflets but 3 to 

 6 lines long. 



Var. bicolor, Wat. Flowers larger, more like L. Namis. 



Yar. trilidus, Wat. Very hairy; lower lip of the calyx 3-parted. 



11. L. leptopliyllus, Benth. Ilareiy branched, 1 or 2 ft. high, villous; leaflets 

 narrowly linear on slender petioles; smooth above; bracts setaceous, much exceeding the 

 calyx; petals 5 or G lines long, biuish-lilac, with a deep crimson spot upon the standard. 



12. L. sparsifxonis, Benth. Very slender, s^jaringly branched, 1 to IJ ft. high, vil- 

 lous, with spreading hairs; upper leaves very small; leaflets 5 to 9, linear, ^ to 1 inch 

 long; petals violet, 5 lines long, the'standard shorter; pod half an inch long. 



13. L. truncatus, Xutt. Stout, branched, 1 to 2 ft. high; leaflets linear, narrowed 

 from the truncate or somewhat 3-toothed apex to the base, smooth above, | to 1^ inches 

 long, nearly equaling the petiole; petals deep-purple, 4 or 5 lines long, the standard 

 shorter; poil about an inch long. 



Here belongs L. Stiveui, Kello;.g. A beautiful species of the Sierra Nevada, with yellow standard 

 and rohe-coloretl wings. 



14. L. hirsutissimus. Benth. A foot high or more, very hispid, with spreading 

 straigl.t and viscid stinging hairs; leaflets broadly cuneate-obovate, obtuse or retuse, 

 rarely acute, mucronulate; flowers in loose racemes, reddish-purple, large. 



15. L. microcarpus, Sims. Villous, with long hairs, 6 to 18 inches high; leaves 

 approximate on long jjetioles; leaflets usually 9, cuneate-oblong, obtuse or emarginate 

 Bmoolh above, I to 2 inches long; calyx densely villous, large; petals purple to white, 

 6 or 7 lines long; the hairy 1-2-seeded pods 8 lines long. 



16. L. densiflorus, Benth. Much resembling the last; calyx smooth or finely 

 pubescent ; petals yellow or ochroleucous, rarely white or pink. 



L. luteolus, Kellogg, may be found, distinguished by its more slender habit, smaller 

 and fewer leaflets, and bracts exceeding the calyx. 



