BriTTON: CusBAN PLANTs NEw TO SCIENCE 63 
Pilea trinitensis Britton, sp. nov. 
Decumbent, glabrous or minutely puberulent, branched, about 
7 dm. long. Leaf-pairs, unequal; petioles slender, those of the 
larger leaves 2-4 cm. long; leaf-blades oblong-lanceolate, 7 cm. 
long or less, 3-nerved, entire, ciliate, acuminate at the apex, acute 
or obtuse at the base, rather thin in texture, the underside densely 
covered with minute linear raphides, the upper surface minutely 
papillose; staminate inflorescence glomerate-paniculate, nearly as 
long as the upper leaves; pistillate flowers paniculate, the pani- 
cles much shorter than the leaves. 
On rocks, Los Cocos, near Siguanea, Trinidad Mountains, 
Santa Clara, 430 meters altitude (Britton & Wilson 5075). 
Pilea neglecta Britton, sp. nov. 
Stem slender, densely covered with linear raphides. Leaves 
oblong to oblong-lanceolate, membranous, acute, entire, 3-veined, 
glabrous, the pairs unequal in size and unequally petioled; larger 
leaves 5 cm. long, 1.5 cm. wide, with petioles 1 cm. long; smaller 
leaves 2.5 cm. long, I-1.2 cm. wide, with petioles 3 mm. long; 
raphides of upper leaf-surfaces linear-filiform, very numerous 
and approximate, those of under leaf-surfaces thicker, bright 
white, numerous, but not close together ; peduncles filiform, about 
as long as the longer petioles; inflorescence paniculate, much 
shorter than the leaves, the flowers sessile in small clusters; 
achene oval, apiculate, scarcely 0.5 mm. long. 
Cuba, C. Wright 2233, in part, in herbarium of the Missouri 
Botanical Garden. 
Pilea siguaneana Britton, sp. nov. 
Stems stout, decumbent, 3-5 dm. long, glabrous. Leaf-pairs 
equal or nearly so; leaves lanceolate or oblong-lanceolate, entire, 
3-nerved, 6-10 cm. long, 2-4 cm. wide, long-acuminate at the 
apex, obtuse or rounded at the base, the upper side covered with 
minute linear raphides, the underside bearing oblong, thick, white 
taphides, scattered or somewhat clustered ; petioles 1-2 cm. long; 
staminate flowers densely capitate in globose heads about 6 mm. 
in diameter, on slender axillary peduncles 1-2 cm. long. _ 
Bed of stream, Siguanea, Trinidad Mountains, Santa Clara, 
400 meters altitude (Britton & Wilson 4979). 
Pilea Clementis Britton, sp. nov. 
_ Woody; stems ascending or straggling, simple or branched, 
3-4 dm. long. Leaf-pairs nearly equal, but their petioles unequal 
