(174) 
Type locality: ‘ habitat in India.” 
Distribution: tropical Asia, introduced in Jamaica. 
Section TepHropsEs DC. Prodr. 5: 24. 1836. 
2. VERNONIA CINEREA (L.) Lessing, Linnaea 4: 291. 1829 
Conyza cinerea L. Sp. Pl. 862. 1753. 
Type locality: India. 
Distribution: tropics of the Old World, and introduced in vari- 
ous portions of tropical America. 
Section Leprparioa Cass. Dict. Sci. Nat. 26: 16, as genus. 1823 
J. Lepipaploa, Scorpioideae foliatae 
Heads in scorpioid cymes, subtended by bracteal leaves. 
(i) Species-group Argyropappae 
Herbaceous, leaves acute or acuminate, pilose or pubescent be- 
neath; inflorescence lax, of a few spreading cymes; involucre 6— 
Io mm. high, its scales all straight, loosely imbricated, acuminate 
or subulate, and more or less pubescent. North American species 
four, three in Mexico and Central America, and one in the West 
Indies; others doubtless occur in South America. 
3. VERNONIA ARGYROPAPPA Buek, Index Prodr. 2: v. 1840 
Vernonia tag DC. Prodr.5: 55. 1836. Not V. Poep- 
pigiana DC. r. 5: 
Vernonia pen ie Fae ; Poepp. & Endl. Nov. Gen. et 
Sp. 3: 42. 1845. 
Apparently herbaceous, at least 1 m. high; stem striate, sparsely 
hirsute-pubescent with brown hairs; hele thin, obovate-lanceo- 
late, 8-12 cm. long, 2-3.5 cm. wide, acuminate, entire or minutely 
sertulate, gradually narrowed to the ace sessile base, rugose and 
papillate-pilose above, softly hirsute beneath; upper leaves similar 
but smaller; inflorescence sparingly branched, of several divari- 
cately spreading cymes bearing each 4-10 he ade: bracteal leaves 
oblong to oblong-lanceolate, otherwise like the cauline, the lowest 
» 1.2 cm. wi e upper smaller; heads about 21- 
spheric, 8-10 mm. high; scales subulate or the inner narrowly 
linear, alae pilose; pappus white, 8 mm. long; achenes 3 mm. 
long, hirsu 
Type ee Peru. 
Distribution: Vera Cruz to Costa Rica and probably southward 
into South America. 
