( 222) 
Vernonia Harperé is distinguished from V. noveboracensts by 
the larger and looser inflorescence, the larger heads, the more 
numerous flowers, and by the greenish scales rather gradually nar- 
rowed at the tip. . 
(xi) Species-group Pulchellae 
Leaves linear to broadly oblong, usually scabrous above; heads 
medium-sized, with 21 flowers or rarely more; scales acuminate or 
filiform. Coastal plain species of the southern Atlantic coast in the 
United States. 
gi. Vernonia acaulis (Walt.) nom. nov. 
Chrysocoma acaulis Walt. Fl. Car. 196. 1788. 
Vernonia oligophylla Michx. Fl. Bor. Am. 2: 94. 1803. 
Type locality: ‘+in Carolina.” 
Distribution: North Carolina to Florida, in the coastal plain. 
Michaux recognized two varieties, verza and autumnalzs, based 
on minor details of the inflorescence of no taxonomic importance. 
92. VERNONIA PULCHELLA Small, Bull. Torrey Club 25: 145, 
Tog 
tem erect, simple to the inflorescence, leafy, pubescent, 4-7 dm. 
high; leaves oblong or oblong-lanceolate, 4—7 1-1.6c¢ 
t 
flowered; involucre campanulate, 5-7 mm. high; scales lanceo- 
late, pubescent, loosely oeatd in few series, appressed below, 
acuminate into a recurved or spreading filiform tip; achenes 3 mm 
ete, strongly ribbed, hirsute on the angles; pappus tawn 
Type locality: ‘*on sand-hills bordering the Altarate River 
swamps in Liberty County, Georgia.” 
Distribution: South Carolina and Georgia. 
93. Vernonia recurva sp. nov. 
erect, brown, pubescent below, glabrate above, striate, 
simple to the inflorescence, 7 dm. high; internodes short, about 1 
cm. long below to 2 cm. above; leaves mostly near the base, firm, 
ascending, linear or oblon -linear, acute at the tip, rounded, closely 
sessile and somewhat dilated at base, revolute at the margin, with 
a few minute callous teeth, scabrous and puberulent above and be- 
