PEA FAMILY 465 



39. L. nootkatensis Donn. Stem 3-6 dm. high, stout, more or less de- 

 cumbent at the base, arachnoid-long-villous, especially upwards; leaflets 6-8, 

 oblanceolate, obtuse and mucronate or acutish, 3-5 cm. long, glabrous above, 

 long-villous beneath; raceme dense, nearly sessile; bracts linear-lanceolate, 

 equalling the calyx; calyx densely villous; lower lip 10 mm., upper lip 8 mm. 

 long; corolla dark blue, glabrous; wings and banner subequal; legume about 4 

 cm. long, 9-12-ovuled. Wet places: Vancouver Island Alta. Alaska. Sub- 

 alp. Je-Jl. 



40. L. Wyethii S. Wats. Stem 2-7 dm. high, few-leaved, sparingly long- 

 villous, with spreading hairs; leaflets 8-12, narrowly oblanceolate, 3-6 cm. long, 

 acute, glabrous above, sparingly long-hairy beneath; calyx villous; upper lip 

 ovate, 5 mm. long, 2-toothed; lower lip lanceolate, 6-7 mm. long, entire; corolla 

 dark blue; wings 12 mm. long; banner glabrous, slightly shorter; keel slightly 

 ciliate; legume 3-4 cm. long, 7-8-ovuled. Grassy hillsides: B.C. Wash. 

 Ida. Mont. Submont. My-Je. 



41. L. amp] us Greene. Stem clustered, 4-10 dm. high, sparingly hairy 

 with long spreading hairs; leaflets 9-10, oblanceolate, 5-12 cm. long, glabrous 

 above, long-hairy beneath; racemes 1-2.5 dm. long; calyx villous; upper lip 3-5 

 mm. long, ovate, the lower lanceolate, 5-6 mm. long, entire; corolla dark blue, 

 veined; banner glabrous; keel ciliate. Mountains: Colo. Mont. Je. 



42. L. marianus Rydb. Stem 5-10 dm. high, hirsute-villous, with rather 

 short hairs, slender; leaflets 6-8, narrowly oblanceolate, 3-7 cm. long, acute, 

 glabrous above, appressed short-hairy beneath; inflorescence lax, 1-1.5 dm. 

 long; calyx villous; lips lanceolate, the upper 7 mm., the lower 8 mm. long; 

 banner slightly pubescent on the back, 8-10 mm. long, light-blue or white, with a 

 darker spot; wings light blue or white, 10-12 mm. long; legume 3-4 cm. long. 

 River banks: Utah. Submont. Jl. 



43. L. Burkei S. Wats. Stem 3-8 dm. high, few-leaved, sparingly hairy, 

 with long spreading hairs or nearly glabrous; leaflets about 8, oblanceolate, 4-8 

 cm. long, glabrous above, sparingly pubescent or glabrate beneath; raceme dense, 

 1-3 dm. long; calyx villous; upper lip 5 mm., the lower 7 mm. long; corolla light 

 blue, with dark veins; banner glabrous, about 10 mm. long; wings 12 mm. long; 

 legume 3-4 cm. long, 6-8-seeded. Meadows: B.C. Wash. Nev. Wyo. 

 Mont. Submont. Mont. Je-Jl. 



44. L. cytisoides Agardb. Stem stout, erect, 6-15 dm. high, leafy, branch- 

 ing, glabrous or nearly so; leaflets 7-10, oblanceolate, 4-12 cm. long, glabrous 

 above, appressed short-hairy beneath, thin; raceme 2-6 dm. long; calyx appressed- 

 silky; upper lip 6 mm. long, ovate; lower lip lanceolate, 8 mm. long; corolla blue; 

 wings about 12 mm.; banner glabrous, about 10 mm. long; legume 4-5 cm. 

 long, 8-11-seeded. L. rivularis S. Wats., not Dougl. Banks: B.C. s Calif. 

 Ida. Son. Submont. My-Je. 



45. L. glabratus (S. Wats.) Rydb. Stem 3-4 dm. high, leafy, slender, 

 villous, with spreading hairs; leaflets 7-8, thin, light green, glabrous above, long- 

 ciliate beneath, narrowly oblanceolate, 2-3.5 cm. long, acute; inflorescence rather 

 dense, 1-1.5 dm. long; calyx villous; upper lip ovate, 4 mm. long, the lower 

 lanceolate, 5 mm. long; corolla light blue or whitish, tinged with blue; wings 10 

 mm. long; banner glabrous, slightly shorter; keel glabrous or slightly ciliate. L. 

 ornatus glabratus S. Wats. Hills: Colo. Wyo. Submont. Je. 



46. L. polyphyllus Lindl. Stem stout, erect, 6-15 dm. high, leafy; leaflets 

 8-16, narrowly oblanceolate, glabrous above, appressed-pubescent or glabrous 

 beneath, 5-12 cm. long, acute; raceme often 3-6 dm. long; calyx villous, gibbous; 

 lower lip 7-8 mm. long, lanceolate, the upper ovate, 6-7 mm.; corolla blue or 

 purple, seldom white; wings 12-15 mm. long; banner glabrous, slightly shorter; 

 keel glabrous; pod 4-5 cm. long, about 9-seeded. Meadows: B.C. Mont. 

 c Calif. Submont. Mont. My-Je. 



47. L. ammophilus Greene. Stem low, 2-6 dm. high, mostly leafy at the 

 base, hirsute with long spreading hairs; leaflets 7-11, oboyate or cblanceolate, 

 obtuse or acute, light green and glabrous above, sparsely hirsute beneath, thick, 



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