JOHNSTON. —NEW PLANTS FROM VENEZUELAN ISLANDS. 689 
long, and 0.5 to 1.5 em. wide; penninerved; margin serrulate to entire ; 
base acute; apex acute, often mucronate; petiole 2 mm. long; stipules 
scarcely | mm. long, setaceous: inflorescence monoecious: flowers sessile 
or subsessile; bracts minute, ovate: staminate flower : —sepals 5, nar- 
rowly lanceolate, united slightly at base, with acute apex, white-dotted_ 
lobes, externally pubescent; petals externally sparingly long-pubescent, 
broadly lanceolate, acuminate, cuneate at the base, shortly unguiculate ; 
glands alternate with petals, glabrous, slightly adherent to petals and 
stamineal tube, fleshy, triangular, prolonged-acuminate; stamens 10, 
3-whorled, the uppermost whorl bearing no anthers: corolla slightly 
exceeding the light-green calyx which is 3.5 mm. long: pistillate flower: — 
sepals 5, lanceolate, oblique from the middle up, with base narrowing but 
slightly, and apex attenuate, both sides sparingly long-pubescent, 4.5 mm. 
long, slightly coherent at the base; corolla 1.2 length of calyx, 5-lobed; 
obes cohering but slightly at the shortly unguiculate base, lanceolate, 
with an acuminate apex; petals white-dotted; glands between the petals 
small, triangular; ovary pilose; the three styles united half way, each 
2-lobed. — Coche, in the interior, Johnston, no. 12, Aug. 5, 1903. 
Argithamnia erubescens, n. sp. Shrub 3 to 6 dm. high: leaves 
often becoming purple, fasciculate, lanceolate to obovate, 4 cm. long and 
1 cm. wide, subsessile, minutely and remotely serrate ; both sides covered 
by a long white pubescence ; apex obtuse or acute, often mucronate ; 
base attenuate: inflorescence dioecious, fasciculate, 1 to 4 flowers in a 
fascicle: pistillate flower appressed-pubescent; pedicel 4 mm. long; 
racts 2, minute, oval, acute; calyx 5-parted; sepals lanceolate, 8 mm. 
long and 3 mm. wide; petals 5, subequal, slightly exceeding the sepals, 
minutely pubescent toward the base, elliptical, or narrowly obovate, 
shortly unguiculate, glands between petals conspicuous; ovary pubescent, 
style united above the middle, stigmas bilobed: staminate flower shortly 
pedicellate ; sepals 5, narrowly lanceolate, acute; petals obovate, narrow 
at the base; stamens about 10, 2-whorled; the stamineal column some- 
what exserted. — El Valle, Miller & Johnston, no. 213, July 22, 1901, 
and Johnston, nd. 58, Aug. 21, 1903. 
Croton margaritensis, n. sp. Shrub 6 to 9 dm. high: leaves 
alternate, long-petioled, stipulate, narrowly to broadly lanceolate, 1 to 
3 cm. wide, 4 to 6 cm. long, sinuately serrate, the teeth bearing glands; 
upper surface remotely stellate-pubescent; under side similar, but pale 
eee, apex of blade acute or acuminate; base rounded or cordate; 
petiole slender, 2 to 3 cm. long; stipules very small, setaceous, bearing 
at apex a single gland: inflorescence monoecious, in a simple raceme: 
vou. x1.—44 
