Woollypod Milkvetch

Xylophacos lectulus (S. Wats.) Rydb. Bull. Torrey Club 52:371. 1925.
Astragalus lectulus S. Wats. Proc. Am. Acad. 22: 471. 1887. Astragalus Purshii lectulus M. E. Jones, Contr. W. Bot. 10: 61. 1902.
A densely cespitose perennial, with a much-branched caudex; stems decumbent, rarely more than 1 cm. long; leaves 3-5 cm. long, the petioles usually as long as or longer than the rachis; stipules lanceolate, about 5 mm. long; leaflets 5-9, elliptic or oblanceolate, 5-10 mm. long, obtuse or acutish, silveryvillous; peduncles less than 1 cm. long; racemes 61 2-flowered ; bracts lanceolate, 2-3 mm. long; calyx densely white-villous, the tube about 5-6 mm. long, 2 mm. thick, the teeth subulate, about 2 mm. long; corolla dark-purple, about 14 mm. long; banner obovate, retuse; wings 2 mm. shorter, the blade rather broad, elliptic, with a large basal auricle; wing-petals much shorter, strongly arched and rounded at the apex; pod densely white-villous, about 12 mm. long, nearly straight, both sutures sulcate.
Type locality: Bear Valley, San Bernardino Mountains.
Distribution: San Bernardino Mountains, and near Sonora Pass, California.

Xylophacos argentinus Rydb. Bull. Torrey Club 52: 371. 1925
A subacaulescent cespitose perennial; stems very short and leafy; leaves 4-7 cm. long stipules lanceolate, 5 mm. long; leaflets 7-13, broadly obovate, about 1 cm. long, rounded or truncate at the apex, silveryvillous; peduncles 3-5 cm. long; bracts lance-subulate, 3-4 mm long; racemes 2-5-flowered; calyx white-villous, the tube 5-6 mm. long, the teeth subulate 2-3 mm. long; corolla ochroleucous, 13-14 mm. long; banner obovate ; wings slightly shorter, the blades linear, acutish; keel-petals broader, arcuate and rounded at the apex; pod densely white-villous, about 2 cm. long, 8 mm. wide, arcuate above the middle, the sutures slightly sulcate.
Type locality: Lone Pine, California. Distribution: Inyo County, California.