Mimosa hondurana Britton & Rose

Mimosa hondurana Britton, sp. nov
A large, woody vine, the twigs, petioles, rachis and inflorescence puberulent and armed with numerous small, deflexed prickles; glands minute, or wanting. Stipules filiform, 5-6 mm. long; petioles 2.5-3.5 cm. long; pinnae 2-4 pairs, distant; leaflets 5-9 pairs, very obliquely ovate or ovate-lanceolate, sharply acute, pinnately veined, glabrous or nearly so above, finely and densely appressed-pubescent beneath, the upper ones 2-3 cm. long, the lower 1-2 cm. long; heads globular, numerous, small, in large panicles; peduncles filiform, solitary or clustered, 5-13 mm. long; flowers (in bud) glabrous.
Lancetilla alley, Atlantida, Honduras, December, 1927 to March, 1928, Standley 54073.

Mimosa pseudopaniculata Britton, sp. nov
Twigs, petioles, leaf-rachis and inflorescence short-pubescent, and armed with reflexed prickles 1-2 mm. long, or the inflorescence unarmed. Pinnae about 4 pairs; rachilla bearing
12 an occasional sessile orbicular gland about 0.5 mm. in diameter; leaflets 4—6 pairs, obliquely ovate to subrhomboid, 3-ncrved and pinnately veined, sparingly pilose on the lower parts of the veins beneath, glabrous above or puberulent on the veins, the apex acute, or acutish, the upi)er ones about 2 cm. long, the lower about 1 cm. long, or shorter; heads small, globose, numerous, in long axillary and terminal panicles; peduncles slender, about 12 mm. long, or shorter; flowers glabrous.
Near Yajalon, Chiapas, November 21, 1895, E. W. Nelson 3406.