Britton: CupaAn Piants NEw To ScIENCE 75 
Phyllanthus dimorphus Britton & Wilson, sp. nov. 
A glabrous perennial herb, 5-6 dm. tall, with slender woody 
stems branching mostly near the apex, the slender branches 
straight, ascending or spreading, 8-14 cm. long. Leaves oblong 
or elliptic-oblong, 5-9 mm. long, 2-2.5 mm. broad, short-petioled, 
rounded or occasionally somewhat acutish at the apex, rounded 
at the base, dark-green above, paler beneath; stipules narrowly 
lanceolate, 1-1.5 mm, long, purplish-black; flowers dioecious; 
pistillate flowers slender-pedicelled, their sepals obovate to broadly 
obovate, 2 mm. long, 1-1.5 mm. broad, rounded at the apex; 
styles of flowers of some plants 3, slender, forked above the mid- 
dle; of other plants united into a column about 1 mm. long, the 
stigma orbicular, peltate, entire; staminate flowers not seen. 
Grassy hill between El Porvenir and Aguacate, Trinidad 
mountains, Santa Clara, 700-900 m. altitude (Britton & Wilson 
5350). : 
Croton cueroensis Britton & Wilson, sp. nov. 
Shrub 2 m. tall; the twigs and petioles densely ferruginous- 
hispid with stellate hairs when young, grayish in age. Leaves 
broadly ovate to suborbicular, 1.8-3.4 cm. long, 1.5-2.8 cm 
broad, more or less soft pubescent above with stellate hairs, stel- 
late-canescent beneath; petioles 0.8-1.5 cm. long; stipules subu- 
late, broadening at the base, 7-11.5 mm. long; buds subglobose, 
flattened ; sepals of the staminate flowers ovate; filaments tomen- 
tose; capsule densely stellate-tomentose; seed short-ovoid, 3.5 
mm. long, 3 mm. broad, grayish. 
Vicinity of El Cuero, Oriente (Britton & Cowell 12735). 
Differing from C. spiralis Muell. Arg. in the long, subulate 
stipule which is not coiled at the base, also by the stellate hairs of 
the upper surface, which are long-rayed. 
Argythamnia cubensis Britton & Wilson, sp. nov. 
A small shrub with brownish or purplish-brown decumbent 
branches; leaves elliptic to oval or obovate, 1-2.5 cm. long, 0.5-1.4 
cm. broad, rounded or acute at the apex, acute at the base, entire 
Or crenulate, short-petioled, purplish-brown and more or less 
Strigillose on both surfaces: staminate flowers about 2 mm. 
road ; sepals 5, lanceolate, I-1.2 mm. long, 0.5 mm. broad; petals 
5, Ovate, I-1.1 mm. long, 0.5-0.6 mm. broad; stamens 5, the fila- 
ments distinct ; sepals of the pistillate flowers 5, ovate, acuminate 
at the apex; styles 3, distinct, bifid; capsule about 3 mm. in diam- 
eter; seeds subglobose, 1.I-1.2 mm. broad, reticulated. 
