(192) 
IV. Leprpapioa, Scorpioideae aphyllae 
Heads in scorpioid cymes, not subtended by bracteal leaves. 
Species mainly Mexican and Central American, only the first two 
from the West Indies. 
(1) Species-group Afavanenses 
Heads about 11-flowered, sessile, in branching, leafless, scorpioid 
cymes; leaves broad, serrate or nearly entire. wo species, one 
of Cuba, the other of St. Vincent, which are possibly not related. 
Their inclusion in the same species-group is largely a matter of 
convenience, these being the only species of the subsection found 
in the West Indies. 
47. VERNONIA HAVANENSIS DC. Prodr. 5: 37. 1836 
Vernonia Ottonts Sch.-Bip. Linnaea 20: 508. 1847. 
Vernonia hieraciotdes Griseb. Mem. Am. Acad. 8: 511. 1860. 
Vernonta cubensis Griseb. Cat. Pl. Cuba 144. 1866. 
Vernonia stictophylla Wright; Sauv. Anal. Acad. Ci. Habana 6: 
176. 1869. 
woody, erect, branching, reaching a height of 4 m.; 
branches striate, thinly pubescent or glabrate; leaves numerous, 
firm, oblong to oblong-obovate, 6-10 cm. lo 2-344 cm. wide, 
ra aes short-acuminate or acute, obscurely serrate, obtuse or acute 
at base, sessile or very short-petioled, scabrous above, puberulent 
beneath, peerie along the veins; upper leaves smaller; inflores- 
cence I dm. across, leafy, corymbiform, of short branching cymes; 
nee peduncled, the upper sessile; involucre obconic or cam- 
panu —5 mm. high; scales appressed, regularly imbricated in 
a cones, glabrous, the outer lanceolate, acuminate, the inner ob- 
long, rou unded to subacute and frequently mucronate; achenes ee 
cent, sharply ribbed, 2.5 mm. long; pappus yellowish, 5 mm. long. 
Type locality: ‘* Cuba juxta Havanam.” 
Distribution: Cuba. 
Vernonia stictophylia is based on a form with large, thin, obo- 
vate leaves, which are conspicuously attenuate at the base. It does 
not appear to be specifically distinct. 
48. Vernonia pallescens sp. nov. 
Frutescent, branching above, height not reported; branches 
striate, thinly puberulent or glabrate; leaves membranous, thin, 
elliptic, 8-10 cm. long, 2.5—4.5 cm. wi ide, long-acuminate, sharply 
serrate on the upper half, less so or entire below, narrowed at 
