GLEASON: STUDIES ON WEsT INDIAN VERNONIEAE 311 
pubescent, the inner oblong, gradually narrowed to a rounded tip, 
the outer triangular-ovate, obtuse or acute. 
The following specimens are referred here: Jamaica: Harris 
8205, altitude 500 m.; Britton & Hollick 1996, altitude 700 m.; 
Britton 431, 679; Cockerell. - 
VERNONIA ALBICOMA Gleason, Bull. N. Y. Bot. Gard. 4: 185. 1906 
m woody, slender; leaves thin, bright green, elliptical or 
elliptical-lanceolate, 5-6 em. long, 1.5-2.3 cm. wide, acuminate, 
subentire, tapering at the base, glabrate above, very finely pubes- 
cent or glabrous beneath; petioles 5~7 mm. long; upper leaves 
somewhat reduced; inflorescence of 1-3 curved spreading terminal 
cymes bearing each 5-10 sessile secund 18-flowered heads; bracteal 
leaves lance-oblong, the middle ones about equaling the involucre, 
which is broadly campanulate or hemispheric, 5 mm. high; scales 
erect, loosely and irregularly imbricated, nearly glabrous, the 
outer lanceolate, acuminate, the inner oblong, acute; pappus white. 
Campbell 6152, from the foot of Long Mountain, Jamaica, alti- 
tude 115 m. 
VERNONIA ACUMINATA Less. Linnaea 6: 663. 1831 
Shrubby, height not stated; stem finely cinereous-puberulent; 
leaves thin, bright green, broadly ovate-lanceolate, 6-9 cm. long 
and half as wide, long-acuminate, entire, acute at the base, very 
sparsely and minutely puberulent on both sides, on petioles about 
mm. long; inflorescence of numerous widely spreading freely 
branched cymes, the ultimate branches bearing 3-7 heads; rameal 
leaves lanceolate, 2-3 cm. long; bracts oblong-lanceolate to linear, 
those at the ends of the cymes only 6 mm. long; heads 18-flowered ; 
involucre campanulate, about 5 mm. high, its scales all obtuse 
or the outer acute, pubescent, especially the outer series, the 
exposed portion of the inner series oblong. 
Wight 20, from wooded hillsides, Port Antonio, Jamaica. 
VERNONIA EXPANSA Gleason, Bull. N. Y. Bot. Gard. 4: 186. 1906 
A straggling shrub 2.5-3 m. high, branching above; leaves 
numerous, rather crowded, thin, divaricate, ovate, 3-5 cm. long, 
I.7-2.7 cm. wide, acute or subacuminate, entire, obtuse or broadly 
rounded at base, sparsely and finely pubescent, or nearly glabrous ~ 
above; petioles 3 mm. long; upper and rameal leaves smaller, 
broadly elliptical, abtuse; inflorescence of several short cymes 
bearing each 3-6 heads; bracteal leaves equaling or much shorter 
