Whited's Milkvetch

Homalobus sinuatus (Piper) Rydb. Bull. Torrey Club 51: 16. 1924.
Astragalus sinuatus Piper, Bull. Torrey Club 28: 40. 1901 . . Phaca sinuata Piper, Contr. U. S. Nat. Herb. 11: 370. 1906.
A perennial; stem decumbent, 3-5 dm. high, terete, villous with short white incurved hairs; leaves 4-5 cm. long; stipules deltoid, 2-3 mm. long; leaflets 1 1-13, elliptic-obovate, truncate or slightly retuse, 10-12 mm. long, shortvillous; peduncles about 6 cm. long; flowers reflexed on short pedicels, probably closely resembling those of 77. Whitedii; pod short-pubescent, arcuate, the stipe about 1 cm. long, the body tapering at each end, 2-2.5 cm. long, 5-6 mm. broad, reticulate, the lower suture curiously sinuate.
Type locality: Eastern Washington. Distribution: Known only from the type locality.

Homalobus whitedii (Piper) Rydb. Bull. Torrey Club 51: 16. 1924.
Astragalus speirocarpus falciformis A. Gray, Bot. Calif. 1: 152. 1876. Not .4. falciformis Desf.
1802. Astragalus speirocarpus curvicarpus Sheldon. Minn. Bot. Stud. 1: 125. 1894. Astragalus Gibbsii falciformis M. E. Jones, Contr. W. Bot. 8: 23. 1898. Astragalus Gibbsii curvicarpus M. E. Jones. Contr. W. Bot. 10: 62. 1902. Astragalus Whitedii Piper, Bull. Torrey Club 29: 224. 1902. Homalobus curvicarpus A. Heller, Muhlenbergia 2: 86. 1905. Astragalus curvicarpus F. Maebr. Contr. Gray Herb. 65: 38. 1922.
A perennial, with a cespitose woody caudex; stems decumbent at the base, 2-4 dm. high, striate, short-pubescent with incurved hairs; leaves 4-7 cm. long; stipules triangular or deltoid, 3 mm. long; leaflets 9-13, obovate or obcordate, 5-15 mm. long, 3-8 mm. wide, short-hairy on both sides, with incurved hairs, obtuse to retuse at the apex; peduncles 5-10 cm. long; racemes 5-8 cm. long, 10-lS-flowered; bracts lanceolate, 2 mm. long, nearly equaling the pedicels; calyx short-pilose, the tube 8 mm. long, gibbous on the upper side, the two upper teeth triangular, the three lower lanceolate, 1 mm. long; corolla ochroleucous; banner 15 mm. long, obovate, with a rather long claw; wings of about the same length, the blades obliquely oblanceolate, with a rounded basal auricle, about as long as the claws; keel-petals about 12 mm. long, the blade nearly semicircular, with a rounded apex and a rounded basal auricle, shorter than the claw; pods short-pubescent, stipitate, the stipe about 1 cm. long, the body strongly curved in a semicircle or more, 2-3 cm. long, 3 mm. wide; seeds obliquely reniform, 3 mm. long, nearly 2 mm. broad.
Type locality: Sierra County, California.
Distribution: Idaho, Oregon, Nevada, and northern California.