Studies of West Indian plants XI 



Nathaniel Lord Britton 



64. UNDESCRIBED SPECIES FROM CUBA 



Juniperus saxicola Britton & Wilson, sp. now 



A densely branched small tree, 3-8 m. high. Leaves all 

 subulate-acicular, subimbricate, somewhat spreading, 4-7 mm. 

 long, about 1 mm. broad at the base, lustrous; fruit blue, broadly 

 ellipsoid or subglobose, 5 mm. long, 3-4 mm. in diameter. 



On rocks, crest of Sierra Maestra, Oriente {Leon 10798, type) ; 

 also collected on Farallones de Regino, Estribo Turquino {Leon 

 1 1024). 



Myrica cacuminis Britton & Wilson, sp. nov. 



A shrub, 3-4 m. high, much branched, the slender twigs 

 densely pilose. Leaves elliptic to suborbicular, 7-18 mm. long, 

 short-petioled, sharply few-toothed or entire, coriaceous, pin- 

 nately few-veined, pubescent on both sides, the apex rounded, 

 the base rounded or obtuse; flowers and fruit not seen. 



Pico Turquino, Oriente {Leon 10973, type; Buclier 19). 



Pilea ovalifolia Britton & Wilson, sp. nov. 



Stems creeping, rather stout, rooting at the nodes. Leaves 

 chartaceous, elliptic, obtuse or rounded at the apex, rather 

 coarsely crenate, pinnately 3-nerved, glabrous, those of each 

 pair often unequal in size; larger leaves up to 5.5 cm. long, 3.4 

 cm. wide, with petioles 1.5-3 cm - long; smaller leaves 2.5-4 cm - 

 long, 1.5-2.6 cm. wide, the petioles 1-2 cm. long; upper leaf- 

 surface densely covered with minute linear raphides, the lower 

 surface papillose; pistillate inflorescence longer than the leaves, 

 peduncled, its branches spreading; achenes ovate, about 0.9 

 mm. long. 



Sierra Maestra, Oriente {Leon 10767). 



Pilea membranacea Britton & Wilson, sp. nov. 



Stem slender, puberulent. Leaves membranous, lanceolate 

 to ovate, acuminate, coarsely toothed, 3-nerved, glabrous, those 

 of each pair unequal in size; larger leaves up to 5 cm. long, 1.8 

 cm. wide, with slender petioles 0.7-1 cm. long; smaller leaves 

 1-2 cm. long, 0.6-1 cm. wide, the petioles 2-4 mm. long; upper 

 leaf-surfaces covered with minute white linear raphids, those of 



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