Pithecellobium histrix (A. Rich.) Benth.

Pithecellobium hystrix (A. Rich.) Benth. in Hook. Ic pi. 1168. 1876.
Inga Hystrix A. Rich. Ess. Fl. Cub. 1: 471. 1845.
Calliandra Hystrix Griseb. Cat. PI. Cub. 83. 1866.
Pithecolnbiiim calliandrifloriim C. Wright; Griseb. Cat. PI. Cub. 83. 1866.
Fettilleea Hystrix Kuntze, Rev. Gen. PI. 188. 1891.
An intricately branched shrub, 0.5-2 m. high, the twigs very slender, but stiff, puberulent or glabrate, the intemodes mostly short. Stipular spines aciciJar, 4-12 mm. long; petioles 1-6 mm. long; pinnae a single pair; leaflets 1 or 2 pairs, obliquely obovate, 3-8 mm. long, sessile, subcoriaceous, roimded at the apex, rather strongly few-veined, shining above, dull beneath; peduncles 4-20 mm. long; heads few-several-flowered; calyx 2 mm. long; corolla about 5 mm. long; stamens rose or pink, the tube included; legume curved into a nearly or quite complete circle, 6-12 cm. long, 5-8 mm. wide.
Type locality: Near Cabana, Cuba. Distribution: Bahamas; Cuba.