Britton: Cuban Plants New to Science 71 



ovate; corolla pink; wings 2-2.5 cm - l n &> the standard 1 1.5 cm. 

 broad ; legume linear, 4-6 cm. long, 3 mm. broad, appressed- 

 puberulent; seeds 2.5 mm. long, 1.5 mm. broad. 



Savannas, pine lands and palm barrens, Camaguey, Santa 

 Clara, Matanzas, Pinar del Rio and Isle of Pines. Type from 

 Herradura, Pinar del Rio (Earle 632). 



Family ERYTHROXYLACEAE 



Erythroxylon Roigii Britton & Wilson, sp. nov. 



A glabrous shrub, 2-2.5 m - m gh> with slender twigs. Leaves 

 elliptic, 5-7 cm. long, 2-3.5 cm - wide, obtuse and short-apiculate 

 at the apex, acute at the base, sub-coriaceous, greenish-brown, 

 lustrous and rather obscurely reticulate-veined above, rusty- 

 brown and reticulate-veined beneath ; petioles slender, 7 mm. 

 long; drupes ellipsoid, n-13 mm. long, 4.5-5 mm. thick. 



Type collected at Caleta Grande, Isle of Pines (Roig & Cre- 

 mata 1856). 



Erythroxylon coriaceum Britton & Wilson, sp. nov. 



A small tree, 5-7 m. high, with rather stiff gray branches. 

 Leaves elliptic-obovate to obovate, 2.5-5.5 cm - l n g> I -5 - 34 cm - 

 broad, rounded and often emarginate at the apex, obtuse or some- 

 what acute at the base, coriaceous, indistinctly veined, dark 

 green above, paler beneath, the margin revolute; petioles 5-7 

 mm. long; stipules triangular, 2-3 mm. long; buds several together 

 in the axils, on short pedicels ; calyx-lobes ovate, acute ; drupes 

 (undeveloped?) narrowly oblong, about 1 cm. long, orange-red. 



Type collected on bank of Rio Guayabo, above the falls, 

 Oriente (Shafer 3601). 



Family BURSERACEAE 

 Elaphrium Shaferi Britton & Wilson, sp. nov. 



A glabrous tree 6 m. in height ; bark of the trunk reddish- 

 brown, easily peeling off in thin sheets ; branches brown ; leaves 

 simple, narrowly deltoid-lanceolate, 4-8 cm. long, 1-1.8 mm. 

 broad at the base, acuminate at the apex, rounded and cordate 

 at the base, reticulate-veined above, the lateral veins nearly at 

 right angles to the midvein ; reticulate-veined beneath ; petioles 

 slender, 1-1.5 cm. long; inflorescence about 1 1.5 cm. long; 

 drupes obovoid, 6.5-7 mm - l n g> 5 mm - broad. 



