GLEASON: STUDIES ON WEsT INDIAN VERNONIEAE 327 
An excellent specimen, Britton 2225, recently received at the 
New York Botanical Garden from Guantanamo Bay, in extreme 
eastern Cuba, has leaves of the same character on the old shoots, 
while on the young branches they are flat or undulate and 10-15 
mm. long. The Guantanamo plant is described as a shrub 1 m. 
tall with purple flowers. 
Lepidaploa, Scorpioideae aggregatae 
Vernonia Thomae Benth., included here by Gleason (Revision, 
191), is now regarded as identical with Vernonia albicaulis Pers. 
Urban (Symb. Antill. 7: 421. 1912) has recently added a species, 
so that the number in the group remains four. They may be 
distinguished as follows: 
A. Achenes pubescent; outer pappus conspicuous, 
it I ht 1 tk the white bristles 
than 
of the inner series; leaves 2-3 cm. long. 
Vernonia buxifolia (Cass.) Less, 
B. Achenes glabrous and glandular; outer pappus 
minute, its scales not sharpl istin- 
guished in width from those of the inner 
series 
Vernonia Tuerckheimii Urban. 
2. Leaves minutely puberulent or glabrous 
h; pappus yellowish or tawny; 
heads 8-flowered. Vernonia montana Gleason. 
C. Achenes densely hirsute; outer pappus conspic- 
uous, its scales chaffy and fimbriate; leaves 
4-5 cm. long, closely gray-tomentose, aud 
with prominent veins beneath. 
The first three species are all very similar in habit and structure, 
and are all natives of Hispaniola. There is no doubt that they 
are closely related. The character of the pappus and the larger 
leaves indicate that V. buxifolia is the primitive form. The dis- 
tribution (Cuba) and the general habit of V. yunquensis, especially 
of the leaves, as expressed in pubescence and venation, separate 
it sharply from the first three species, and imply that it may 
logically constitute another species-group. 
Vernonia segregata sp. nov. 
___ A straggling or vinelike shrub, reaching a height of 2.5 ™.; 
stem obscurely striate, closely pubescent; the branches olive- 
Vernonia yunquensis Gleason. 
