Cojoba arborea (L.) Britton & Rose

Cojoba guatemalensis Britton & Rose, sp. nov
Twigs, petioles, leaf-rachis and peduncles densely brown-tomentidose. Pinnae 4-6 pairs; leaflets 8-17 pairs, narrowly oblong, chartaceous, 8-9 mm. long, palmately veined at the base, glabrous, obtuse; glands orbicular, sessile, borne between each pair of pinnae; peduncle about 3 cm. long; legume about 9 cm. long, puberulent.
Volcan de Acatenango, Guatemala, 1892, John Donnell Smith 2S31.

Cojoba tonduzii Britton & Rose, sp. nov
Young twigs, petioles, leaf-rachis, and peduncles brownish-pubescent. Leaves large; glands on petioles and between pinnae cup-shaped; pinnae 5 to 7 pairs; leaflets about 12 pairs, oblong, 1.5-2 cm. long, somewhat 3-nerved at base, glabrous but ciliate; peduncles axillary, sometimes in 3's, slender, 3-4.5 cm. long; flowers appressed-pubescent, subtended by minute bractlets; calyx 3 mm. long; coroUa 5-6 mm. long; stamens white, not much longer than the corolla.
Volcan de Pacaya, Guatemala, April 7, 1921, Tonduz 450.

Cojoba tuerckheimii Britton & Rose, sp. nov
Twigs brownish, scurfy-pubescent. Leaves 1.5-2 dm. long; rachis puberulent; glands cupulate, borjie on the petiole and between the pinnae, sessile; pinnae about 15 pairs; leaflets 20-30 pairs, linear-oblong, oblique, 8-12 mm. long, glabrous; peduncles axillary, often in 3's, slender, 3-5 cm. long, short-pubescent, bearing a large curved gland near the top; calyx about 1 mm. long, the teeth brownishpubescent; corolla-tube slender, 4 mm. long, glabrous, its lobes brownish-pubescent; stamens about 10 mm. long, their tube about as long as the corolla.
Coban, Guatemala, May, 1907, Tuerckhcim II, 1769.

Cojoba arborea (L.) Britton & Rose
Mimosa arborea L. Sp. PI. 519. 1753.
Mimosa ^Jicj/oii a Lam. Encycl. 1: 13. 1783.
Mimosa divaricata Jacq. Hort. Schoenb. 3: 76. 1798.
Acacia arborea Willd. Sp. PI. 4: 1064. 1806.
Pj/fceco/ofiiHm yi/ici/oh«m Benth. Lond. Joum. Bot. 3: 205. 1844.
Feuilleea filicifolia Kuntze, Rev. Gen. PI. 187. 1891.
Pilheculobium arboreum Urban. Symb. Ant. 2: 259. 1900.
Samanea arborea Ricker in Bailey, Cycl. Hort. 3066. 1917.
A tree, 15-20 m. high with a spreading top and a trunk 1-1.3 m. in diameter, the twigs, petioles, leaf-rachis, and peduncles with short spreading pubescence. Pinnae 8-16 pairs, with a small brownish gland on the rachis between each pair; leaflets 20-40 pairs, obliquely linear-oblong to linear-lanceolate, 8-12 mm. long; peduncles slender, 5-10 cm. long; heads many-flowered; calyx 2 mm. long, usually glabrous except the short teeth; corolla 6-8 mm. long, glabrous; stamens white, their tube included; legume somewhat fleshy, more or less coiled in age, crimson within, ]5uberulent, or becoming glabrous, smooth or wrinkled; seeds black.
Type locality: Jamaica.
Distribution: Jamaica; Cuba; Hispaniola; Porto Rico; Veracruz; Honduras.