( 223 ) 
neath, amuaae veined with faint es veinlets; principal leaves 
5-7 ¢ ong, 0.4-0.9 cm. wide, the upper leaves reduced to 2 cm. 
long, cad 0.2 cm. wide, or those of the inflorescence still smaller; 
inflorescence terminal, open, loosely branching, 15 cm. across; 
heads about 20, all pedicelled, about 21-flowered, 11-12 mm. high 
at maturity; involucre 8 mm. high, campanulate-cylindric ; scales 
dull-purple, the outer short, loose, linear, the intermediate a 
inner lanceolate an ong-acuminate to oblong-lanceolate and 
abruptly acuminate, nearly glabrous, appressed at the base and 
ending in a loose, spreading or recurved, filiform appendage 3-6 
mm. long; achenes strongly ribbed, minutely hispid on the angles, 
3-5 mm. long; pappus twice as long, tawny, the outer series 
minute. 
ype: “larper 2009, dry pine-barrens, Hortense, Wayne County, 
Georgia; in the herbarium of the New York Botanical Garden. 
Vernonia recurva is distinguished from V. scaberrima, its 
=] 
a 
nearest relative, by the narrower revolute leaves, the larger heads, 
the recurved scales, and the narrower involucre. From V. pud- 
chella it is separated by the narrower leaves, which are merely 
denticulate and with the characteristically dilated base. 
94. VERNONIA SCABERRIMA Nutt. Gen. 2: 134. 1818 
Vernonia brevifolia Raf. New Fl]. N. Am. 4: 77. 1836. 
Shas angustifolt oe Gray, sei Fi.r?: 91. 1884. 
rect, 3-6 dm. one simple to the inflor nce or sparingly 
ac stem glabrous or Lanner tiene ae leafy; leaves 
narrowly oblong, closely sessile, with a rounded to truncate or 
tips; achenes hirsute, 2.5 mm. long; pappus tawny, about twice 
as long 
Type locality: ‘+ from South Carolina to Florida.” 
Distribution: North Carolina, South Carolina, Georgia and 
Florida. 
(xii) Species-group Angustifoliae 
Leaves usually linear or narrowly lanceolate and scabrous above; 
inflorescence regular, depressed or flattened; heads small, 13-21- 
flowered; scales acute to acuminate. Certain species disagree in 
