Atelophragma cottoni

Atelophragma cottoni (M. E. Jones) Rydb. Bull. Torrey Club
55: 121. 1928.
Astragalus olympicus Cotton, Bull. Torrey Club 29: 573. 1902. Not A. olympicus Pall. 1800. Astragalus Cottoni M. E. Jones. Rev. Astrag. 135. 1923.
A perennial, with a deep root and cespitose caudex; stems many, spreading or decumbent, 1-2 dm. long, villous with short ashy hairs; leaves 2-3 cm. long, spreading; stipules deltoid, 4 mm. long, membranous; leaflets 13—17, oblong, 8-12 mm. long, 2-3 mm. wide, subacute, villous; peduncles 3-5 cm. long; racemes more lax than, n the related species, S-15-flowered; bracts narrowly subulate, 2-3 mm. long; calyx-tube 4-5 mm. long, pubescent with mixed black and white hairs, the teeth subulate, 2-3 mm. long; corolla greenish-white, about 1 cm. long, the keel tipped with purple; banner obovate, tapering gradually below; wings shorter, the blade oblong-lunate, acutish, with a long reflexed basal auricle, fully as long as the claws; keel-petals similar but much broader, rounded at the apex; pod glabrous, apparently not mottled, the stipe 3 mm. long, the body ellipsoid, 2-2.5 cm. long, 8-12 mm. broad, the septum about 0.6 mm. wide; seeds obliquely round-reniform, 3 mm. long, nearly as broad.
Type locality: Olympic Mountains, Challam County, Washington. Distribution: Known only from the type locality.