Astragalus agrestis Douglas ex Hook.

Astragalus tarletonis Rydb. Bull. N. Y. Bot. Gard 2: 175. 1901.
A perennial, with a cespitose rootstock; stems ascending, 2-3 dm. high, angled, striate, sparingly strigose; leaves about 1 dm. long, spreading; stipules lanceolate, attenuate, sparingly strigose ; leaflets 1 7-29, elliptic to lanceolate or oblong, 10-15 mm. long, 3-6 mm. wide, sparingly strigose or in age glabrate, obtuse or retuse at the apex; peduncles 9-12 cm. long, sulcate; racemes dense, 3-4 cm. long; bracts oblong, 6-8 mm. long, mostly obtuse, black -hairy; flowers subsessile, ascending; calyx black -hairy, the tube 6 mm. long, the teeth subulate, of almost the same length; corolla purple, about 15 mm. long; banner obovate, retuse; wings shorter, the blade oblong-oblanceolate, equaling the claw, with a large auricle ; keel-petals still shorter, the blade broadly lunate, rounded at the apex, with a rounded auricle; fruit unknown.
Type locality: Five-finger Rapids. Yukon. Distribution: Yukon and Mackenzie.

Astragalus virgultulus Sheldon, Minn. Bot. Stud 1: 165. 1894.
Astragalus hypoglotlis bradealus Osterhout, Bull. Torrey Club 26: 256. 1899. Astragalus agrestis bradealus M. E. Jones, Contr. W. Bot. 10: 87. 1902.
A perennial, with a cespitose creeping rootstock; stems several, branching, glabrous or sparingly strigose, 1-2 dm. high, flexuous; leaves 4-7 cm. long, spreading; stipules oblong or lanceolate, 4-8 mm. long, green; leaflets 15-19, linear or oblong, obtuse or slightly emarginate, 1-2 cm. long, 2-5 mm. wide, glabrous above, sparingly strigose beneath; peduncles 5-6 cm. long, sulcate; racemes dense, 1.5-3 cm. long; bracts oblong or oblanceolate, 5-6 mm. long, obtuse or acute; flowers ascending, subsessile; calyx appressed-pilose, mostly with white hairs, the tube 6 mm. long, 2 mm. broad, the teeth subulate, 3-4 mm. long; corolla ochroleucous, 12-20 mm. long; banner oblanceolate or narrowly obovate, slightly retuse; wings shorter, the blade oblong, equaling the claw, with a large auricle; keel-petals still shorter, the blade broadly lunate, with a rather large auricle; pod obliquely ovoid, nearly 1 cm. long, 4 mm. wide and thick, densely long-hairy, deeply sulcate on the lower suture, deeply cordate in cross-section.
Type locality: Plains near Boulder, Colorado. Distribution: Northern Colorado and southern Wyoming.

Astragalus agrestis Dougl.; (Hook. Fl. Bor. Am. 1: 148, as
synonym. 1831) M. E. Jones, Proe. Calif. Acad. II. 5: 646.
1895.
Astragalus hypogloltis & Hook. Fl. Bor. Am. 1: 148. 1831. Phaca agreslis Piper. Contr. U. S. Nat. Herb. 11: 372. 1906.
A perennial, with a cespitose rootstock; stems decumbent at the base or ascending, 2-3 dm. high, flexuose, glabrous or nearly so, sulcate, sometimes tinged with purple; leaves 5-10 cm. long, ascending; stipules lanceolate, attenuate, 4-8 mm. long; leaflets 11-21, oblong, 1-2 dm. long, often emarginate at the apex, sparingly strigose on both sides; peduncles 7-10 cm. long; racemes dense, about 3 cm. long; bracts oblong, 4-5 mm. long; calyx strigose with white hairs, the tube 5-6 mm. long, the teeth subulate, 5-6 mm. long; corolla purple, 18-20 mm. long, similar to that of A. goniatus; mature pod not known, but the ovary long-hairy and the
pod probably similar to that of said species.
Type locality: Fertile plains of the Red River, Manitoba. Distribution: Montana and Manitoba.

Astragalus goniatus Nutt.; T. & G. Fl. N. Am. 1: 330. 1838
Astragalus hypogloltis Hook. Fl. Bor. Am. 1: 148. 1831. Not A. hypogloltis L. 1753.
Astragalus hypogloltis polyspermia T. & G. Fl. N. Am. 1: 328. 1838.
Astragalus dasyglottis Nutt.; T. & G. Fl. N. Am. 1: 329. as synonym. 1838.
Phaca hypogloltis MacMill. Metasp. Minn. Valley 324. in part. 1892.
Astragalus agreslis M. E. Jones. Proc. Calif. Acad. II. 5: 646, in part, excluding synonym. 1895.
Astragalus agrestis polyspermus M. E. Jones. Contr. W. Bot. 10: 65. 1902.
Phaca agreslis Piper, Contr. U. S. Nat. Herb. 11: 372, in part. 1906.
A perennial, with a cespitose rootstock; stems much branched, 1-3 dm. high, glabrous, or sparingly strigose; leaves spreading, 4-10 cm. long; stipules lanceolate, 4-8 mm. long; leaflets 13-19, linear to oblong, 5-20 mm. long, 2-5 mm. wide, sparingly strigose on both sides, or glabrous above, rounded or retuse at the apex, or those of the upper leaves sometimes acute; peduncles 4-12 cm. long; racemes dense, 2—4 cm. long; bracts lanceolate or oblong, 4-5 mm. long; flowers subsessile, ascending; calyx black -hairy, the tube about 6 mm. long, 2 mm. wide, the teeth subulate, 3 mm. long; corolla purple, 15-1 7 mm. long; banner obovate, retuse; wings shorter, the blade oblong, as long as the claw, with a large basal auricle; keel-petals still shorter, the blade broadly lunate, obtuse at the apex; pod obliquely ovoid, long-pilose, 8-9 mm. long, 4 mm. wide and thick, sulcate on the lower suture, deeply cordate in cross-section; seeds obliquely round-reniform, 2 mm. long.
Type locality: Rocky Mountains near the sources of the Platte, Wyoming. Distribution: Minnesota to Washington, northern California, and New Mexico.