Indigofera discolor Rydb.

Indigofera discolor Rydberg, sp nov
A shrub, branches terete, brown, strigose becoming glabrate; stipules small, subulate; leaves spreading, 4-5 cm. long; rachis and petiole strigose, grooved above; leaflets 5-7. oval, elliptic, i>i obovate, rounded and mucronate at the apex, 1-2 cm. long, 5-10 mm. wide, green and sparingly strigose above, pale and densely strigose beneath; racemes about 5 cm. long; calyx 2 mm. long; corolla unknown; pod 4 cm. long, less than 1.5 mm. thick, 7-S-seeded; seeds 2.5 mm. long, 1 mm. thick, round-angled.
Type collected at Lodiego, Sinaloa, October 9-25, 1891, Edward Palmer 1634 (herb. N. Y. Bot. Gard.) .
Distribution: Type locality and vicinity; apparently also near Cordoba, Veracruz.