Astragalus tener A. Gray

Hamosa kelloggiana Rydb. Bull. Torrey Club 54: 323. 1927
Astragalus hypogloltis slrigosus Kellogg, Proc. Calif. Acad. 2: 115. 1861.
A slender annual; stem glabrous or sparingly strigose, 1-2 dm. high, branched at the base; leaves 5-6 cm. long, ascending; stipules lance-deltoid, about 3 mm. long; leaflets 5-13, those of the lower leaves oblong or cuneate, 1 cm. long or less, those of the other leaves linear, 1-2 cm. long, acute or obtuse, 1-2 mm. wide, strigose beneath; peduncles 4-6 cm. long; racemes very short, 4-7-flowered; bracts lanceolate, 1 mm. long; calyx black-hairy, the tube 2 mm. long, the teeth lance-subulate, 1.5 mm. long; corolla bluish-purple, striate, 8 mm. long, similar to that of H. tenem; pod about 1.5 cm. long, arcuate, lunate, glabrous, 3 mm. wide and 2.5 mm. thick, cordate in cross-section.
Type locality: Vallejo, California. Distribution: Central California.

Hamosa rattanoides (M. E. Jones) Rydb. Bull. Torrey Club
54: 324. 1927.
Astragalus letter rattanoides M. E. Jones, Rev. Astrag. 268. 1923.
A slender annual; stem glabrous or sparingly strigose, 2-3 dm. high, striate; leaves ascending, 5-8 cm. long; stipules lanceolate, acuminate, 4-5 mm. long; leaflets 7-17, linear, 8-15 mm. long, 1-2 mm. wide, glabrous above, sparingly strigose beneath, acute or those of the lower leaves obtuse; peduncles 4-7 cm. long, slender; racemes subcapitate, 51 0-flowered ; bracts ovate, 1 mm. long; calyx black -hairy, the tube 2 mm. long, the teeth subulate, fully 1 mm. long; corolla 8-10 mm. long, bluish-purple, striate with darker veins, similar to that of H. tenera; pod arcuate, linear, tapering at each end, strigulose, not mottled, 1.5-2 cm. long, 2-2.5 mm. wide and thick, sulcate on the lower suture, cordate in cross-section.
Type locality: Mount Eden, California. Distribution: Central California.

Hamosa tenera (A. Gray) Rydb. Bull. Torrey Club 54:322. 1927. ■
Phaca aslragalina Hook. & Am. Bot. Beech. Voy. 334. 1838.
Astragalus hypoglottis slrigosus Kellogg, Proc. Calif. Acad. 2: 115, in part. 1861.
Astragalus tener A. Grav, Proc. Am. Acad. 6: 206. 1864.
Tragacantha tenera Kuntze, Rev. Gen. 948. 1891.
Astragalus slrigosus Sheldon, Minn. Bot. Stud. 9: 24. 1894.
Astragalus pauperculus Greene, Pittonia 3: 224. 1897.
Astragalus Titi Eastw. Bull. Torrey Club 32: 195. 1905.
A slender annual; stem at first erect, later branched at the base and spreading, 0.5-2 dm. long, sparingly strigose or glabrate; leaves 3-5 cm. long, ascending; stipules ovate-deltoid, acuminate, 2 mm. long, adnate to the petioles; leaflets 5-13, strigose beneath, glabrous above, 5-12 mm. long, those of the lower leaves cuneate or obcordate, retuse, those of the upper leaves mostly oblong or linear, retuse or truncate, rarely obtuse at the apex, cuneate at the base; peduncles 3-5 cm. long, slender; racemes very short, head-like, 2-7-flowered; bracts lanceolate, 1 mm. long; pedicels about 1 mm. long; calyx black-hairy, the tube less than 2 mm. long, the teeth lance-subulate, 1 mm. long; corolla 6-8 mm. long, bluish-purple, with the claws yellowish ; banner obovate, broadly emarginate ; wings 1-2 mm. shorter, the blade oblong, strongly arcuate, very obtuse at the apex, with a long reflexed basal auricle; keel-petals much shorter, the blade broadly lunate, strongly arcuate and acute at the apex; pod 1-1.5 cm. long, 2 mm. wide, and 2.5 mm. thick, canescent, nearly straight, sulcate on the lower suture, broadly cordate in crosssection.
Type locality: California.
Distribution: California.