Astragalus hoodianus Howell

Cnemidophacos knowlesianus Rydberg, sp. nov
A perennial, with a woody cespitose caudex; stem 1-2 dm. high, angled and somewhat sulcate, sparingly pubescent; leaves 5-10 cm. long, erect; stipules deltoid, 3 mm. long, somewhat connate; leaflets 25-33, linear-oblong, 5-10 mm. long, 2-3 mm. wide, canescent on both sides, obtuse; peduncles erect, 1.5-2 dm. long, black-hairy above; raceme in anthesis 3-5 cm. long, in fruit 5-10 cm. long; bracts lance-subulate, 3-4 mm. long, black-hairy; calyx blackhairy with loose hairs, the tube 5 mm. long, 3 mm. broad, the teeth subulate, 4 mm. long; corolla apparently white, 18-19 mm. long; banner narrowly obovate, moderately arcuate; wings nearly as long, the blades obliquely oblanceolate, with a large basal auricle; keel-petals shorter, the blade broadly lunate, obtuse; pod erect, obliquely ovoid, short-pubescent, wrinkled, 1.5-2 cm. long, 7-8 mm. thick, upper suture prominent, transversely oval in cross-section.
Type collected on mountain sides, western Klickitat County, Washington, April 23 and in June 18S6, Suksdorf 482 (herb. Columbia Univ.). Distribution: Washington and Oregon.

Cnemidophacos hoodianus (Howell) Rydberg
Astragalus hoodianus Howell, Erythea 1: 111. 1893.
Astragalus conjunctus Hoodianus M. E. Jones, Contr. W. Bot. 8: 9. 1898.
Phaca hoodiana Piper. Contr. U. S. Nat. Herb. 11: 373. 1906.
A perennial, with a woody cespitose caudcx; stems 1-2 dm. high, sulcate and angled, more or less canescent-pubescent ; leaves erect, 10-12 cm. long, the rachis villous with ascending hairs; stipules deltoid, connate, 5 mm. long; leaflets 21-31, linear or oblong, S— 18 mm. long, canescent on both sides, obtuse or acute; peduncles erect, 1.5-2.5 dm. long; racemes rather dense, 5-S cm. long; bracts subulate, 3-5 mm. long; pedicels 1-2 mm. long; calyx white-villous, the tube 5 mm. long, 3 mm. broad, the teeth subulate, 5 mm. long; corolla white, about 2 cm. long; banner narrowly obovate, moderately arcuate; wings shorter, the blade obliquely oblong, falcate, with a large basal auricle; keel-petals much shorter, the blade broadly lunate, rounded at the apex; pod erect, rather long-hairy, about 18 mm. long, 6-7 mm. thick, oval in cross-section, the upper suture prominent.
Type locality: Hood River, Oregon.
Distribution: Columbia Valley. Oregon and Washington.