Astragalus episcopus S. Wats.

Lonchophaca kaibensis (M. E. Jones) Rydberg
Astragalus kaibensis M. E. Jones, Contr. W. Bot. 10: 64. 1902.
A perennial, with a rootstock; stem flexuous, branched, sparingly strigose, 3-5 dm. high, rush-like, striate; leaves 3-6 cm. long, the terminal leaflet not differentiated from the rachis; stipules deltoid, 3 mm. long, caducous; lateral leaflets 0-4, linear, strigose, 3-8 mm. long, involute; racemes including the peduncle 1.5-2 dm. long, lax; bracts deltoid, 2 mm. long; pedicels 2 mm. long; calyx white-strigose, the tube 5 mm. long, 2 mm. broad, the teeth deltoid, 1 mm. long; corolla white; banner obovate, 12 mm. long; wings slightly shorter, the blade oblanceolate, with a basal auricle; keel-petals about 11 mm. long, the blade obliquely lunate, rounded at the apex; pod elliptic-oblong, acute at each end, 2-2.5 cm. long, 5-6 mm. wide, glabrous, the cross-section transversely elliptic or oval.
Type locality: House Rock, Lee's Ferry, Arizona. Distribution: Known only from the type locality.

Homalobus episcopus (S. Wats.) Rydb. Bull. Torrey
Club 40: 53. 1913.
Astragalus Episcopus S. Wats. Proc Am. Acad. 10: 346. 1875. Tragacantha Episcopus Kuntze, Rev. Gen. 944. 1891.
A perennial; stem glabrate below, strigose above, 4—6 dm. high, erect or ascending; stipules 4—6 mm. long, deltoid; leaves 5-10 cm. long; leaflets 1—3 pairs, narrowly linear, strigosecanescent, 1 cm. long or less, the terminal one represented by the elongation of the rachis; peduncles 8-10 cm. long, strigose; racemes 4-6 cm. long, 4— 10-flowered; bracts subulate; calyx strigose, the tube deeply campanulate, 4 mm. long, the teeth subulate, 1-1.5 mm. long; corolla probably yellowish; banner obovate, 12-15 mm. long; wings shorter, the keel-petals about 1 cm. long, rounded at the apex; pod glabrous, 2.5-3 cm. long, 6 mm. wide, tapering at both ends, with a very short stipe.
Type locality: Southern Utah.
Distribution: Known only from the type locality.