Calliandra trinervia var. arborea (Standl.) Barneby

Anneslia rekoi Britton & Rose, sp. nov
A small shrub. Petioles short; stipules persistent; pinnae 1 pair; leaflets 3, ovatelanceolate, acuminate, 2-4 cm. long, glabrous on both sides; peduncles slender, 1.5-2 cm. long, striate, glabrous; flowers glabrous; calyx 1 mm. long; corolla 5-6 mm. long; stamens 3 cm. long, "half red, half white" ; legume 10-11 cm. long, with a long tapering base, 8-9 mm. broad above, obtuse, apiculate, puberulent.
Tepinapa, Oaxaca, altitude 100 meters, March 23, 1919, B. P. Reko 4130.

Anneslia splendens Britton & Rose, sp. nov
A small shrub, the branches elongated, terete, glabrous. Stipules linear, acute, 4—5 mm. long; pinnae 1 pair; leaflets 3, oblong to ovate-lanceolate, very oblique, 4—10 cm. long, shortacuminate, glabrous and reticulate-veined on both sides, pale beneath; peduncles short, 8-10 ram. long, striate, slightly pubescent; calyx 3 mm. long, striate; corolla 12 mm. long, glabrous; stamens elongated, the tube long-exserted.
Road between Tumlata and El Salto, Chiapas, 1895, E. W. Nelson 3396.

Anneslia centralis Britton & Rose, sp. nov
A shrub, the twigs terete, slender, glabrous or with a few long hairs. Stipules triangular, acute, 2-3 mm. long, striate, persistent; pinnae I pair; leaflets 2 or 3, ovate to lanceolate, acuminate, 2-8 cm. long, glabrous, or a little hairy on the upper side of the midrib, shining and reticulate-veined above; peduncles slender, 2-4 cm. long, at first pubescent; bractlets linear, striate, 2-3 mm. long; flowers glabrous ; calyx 2 mm. long, striate; corolla 6 mm. long; filaments about 3 cm. long, the tube somewhat exserted; legume 8-10 cm. long, 8 mm. broad above, cuneate at base, glabrous. Honduras and Guatemala. Type from near San Pedro, Sula, Honduras, April, 18S9, C. Thieme 5214. This is, perhaps, the plant doubtfully recorded by Bentham (Trans. Linn. Soc. 30: 538), from Mt. Aguacate, Central America, as CaUiandra carbonaria.