Coursetia caribaea var. trifoliolata (Rydb.) Lavin

Benthamantha trifoliolata Rydberg, sp. now
A shrub, 5 dm. high or more; branches silky-canescent when young, angled, dark-brown or purplish, in the second year glabra te and straw-colored; stipules setaceous, 6-10 mm. long, leaves 3-5 cm. long; rachis canescent; stipels setaceous, 1-1.5 mm. long; leaflets 3, oval, 1.5-4 cm. long, 0.8-2 cm. wide, hirsutulous above, densely hirsute beneath, rounded or obtuse at each end or acutish at the base, mucronate; racemes 3-5 cm. long, 3-6-flowered; calyx pilose; the tube about 2 mm. long, the lobes lance-subuUte, attenuate, the lowest one 3 mm. long; corolla purplish, 7 mm. long; pod 4-5 cm. long, fully 3 mm. wide, minutely puberulent or glabrate, 9-15-seeded.
Type collected at Tehuacan, Puebla, June, 1912. Purpus 5715 (herb. N. Y. Bot. Gard.). Distribution: Puebla and Guerrero.

Benthamantha robusta Rydberg, sp. nov
A stout perennial; stem simple, probably 1 m. high, densely short-villous, grayish-subvelutinous, striate; leaves 5-10 cm. long; stipules setaceous, 8-10 mm. long; rachis subveltitinous; leaflets lanceolate to elliptic-ovate, 2-7 cm. long, 1-3 cm. wide, acute or acutish at each end, subvelutinous on both sides; racemes 2 cm. long or less, 2-4-flowered; calyx canescent, the tube 3 mm. long, the lobes lance-subulate, 3 mm. long; corolla unknown; pod 6-8 mm. long, 3 mm. wide, glabrous or slightly pruinose, 20-25-seeded.
Type collected in the Iguala Canon, Guerrero, November 31, 1903, Holway 40 (U. S. Nat. Herb. no. 47 > 548).