Britton: Studies of West Indian plants — XI 37 



rounded at the apex, rounded or acute at the base, crenulate, 

 3-nerved, glabrous above, pilose on the nerves beneath, those of 

 each pair often unequal in size; larger leaves up to 3 cm. long, 

 2.5 cm. wide, with slender petioles 1.5-2 cm. long; smaller leaves 

 1-2 cm. long, 1-2 cm. wide, the petioles 0.7-1 cm. long; upper 

 and lower leaf-surfaces densely covered with linear raphides; 

 pistillate inflorescence as long as or shorter than the leaves: 

 achenes about 0.6 mm. long. 



Sierra Maestra, Oriente {Leon 10766, type; Leon, Clement and 

 Roca 9872). 



Coccolobis monticola Britton, sp. nov. 



Branches slender, glabrous; young twigs pubescent. Ocreae 

 cylindric, 1 cm. long or less; leaves coriaceous, light green, 

 3-6 cm. long, reticulate-veined on both sides, shining above, 

 dull and black-dotted beneath, the apex acute, the base obliquely 

 obtuse, the petioles about 2 mm. long; racemes very slender, 

 glabrous, densely many-flowered; ocreolae subtruncate, about 

 0.5 mm. long; pedicels glabrous, about 1 mm. long; calyx about 

 1 mm. long. 



Sierra Maestra, Oriente {Leon 10713). 



Coccolobis saxicola Britton, sp. nov. 

 A shrub about 3 m. high, glabrous throughout, the twigs 

 short, stout, more or less tortuous. Ocreae subtruncate, 4-6 

 mm. long; leaves coriaceous, elliptic to obovate, 9 cm. long or 

 less, the veins somewhat impressed above, prominent beneath, 

 reticulate-veined on both sides, the apex abruptly short-acu- 

 minate, the base narrowed or obtuse, the petioles 5-15 mm. 

 long; fruiting racemes slender, solitary, 6-9 cm. long; pedicels 

 numerous, about 1.5 mm. long; ocreolae truncate, less than 1 

 mm. long, subpapillose, the sepals ovate. 



On rocky crest in woods, Loma del Gato, Cobre Range of 

 Sierra Maestra, Oriente {Leon, Clement and Roca 10167). 



Talauma (?) orbiculata Britton & Wilson, sp. nov. 



Tree 6-8 m. tall, with glabrous branches. Leaves orbicular, 

 8-12 cm. in diameter, rounded or subtruncate at the apex, 

 rounded or truncate at the base, glabrous and prominently 

 reticulate-veined on both sides, the midrib flat above, prominent 

 beneath, the petioles rather slender, 3-6 cm. long, flat or shal- 

 lowly grooved above, glabrous; sepals broadly elliptic, 2.6 cm. 

 long, 2-2.3 cm. broad; petals thick, oblong or elliptic, about 2 

 cm. long, 0.8-1 cm. wide; carpels tomentulose. 



Loma de Quintin, Nagua, Oriente {Leon 10955). 



