1922] BLAKE—ASTERACEAE 421 
Bottv1a.—Cochabamba, March 7, 1920, E. W. D. and M. M. Holway 376 
(type in U.S. National Herbarium no. 1058597). 
Nearest the Peruvian W. forbesii S. Moore, which has smaller lanceolate 
leaves, longer peduncles, and shorter involucre and rays. 
Wedelia isolepis, sp. nov.—Apparently suffrutescent, dichoto- 
mously or trichotomously branched; stem and branches terete, 
evenly but not densely spreading-hirsute with scarcely tuberculate- 
based hairs 1 mm. long or less and somewhat puberulous, glabrate 
or glabrescent; internodes 8-16 cm. long; leaves opposite; petioles 
hirsute, 1.5-5 mm. long; blades ovate, 5~8cm. long, 2.53.8 cm. 
wide, acute or acuminate, at base cuneate-rounded, remotely 
crenate-serrate or crenate-serrulate (teeth depressed, 3-8 mm. 
apart), papery, above deep green, harshly hispidulous and hirsute 
(the larger hairs with persistent lepidote-tuberculate bases), beneath 
paler green, evenly bat not conmged hirsutulous and along the veins 
spreading-hirsute, tri ved above the b reticulate 
beneath; heads in threes at apex of stem and branches, 3.5-4 cm. 
wide, on naked densely hirsutulous and hirsute monocephalous 
peduncles 1.8-9 cm. long; disk 1-1.2 cm. high, 1.5-1.8 cm. wide; 
involucre 3-seriate, 1o-11 mm. high, equal or the innermost series 
sometimes shorter, the two outer series of phyllaries equal, oval, 
herbaceous throughout or somewhat indurated at base, obtuse, 
rounded, or sometimes acutish, hirsute and minutely hirsutulous, 
the innermost equal or shorter, with ciliate, purplish, membranace- 
ous tips, dorsally glabrous, all often reflexed at tip; rays 12, golden 
yellow, fertile, the lamina oval, tridentate, 15mm. long, 7 mm. 
wide; disk corollas yellow, papillose-hispidulous on teeth, 6.5 mm. 
long (tube 2mm.); pales acute, carinate, glabrous, yellowish and 
spinulose-denticulate above, about 5 mm. long; disk achenes obo- 
void, thickened, mottled, sparsely pilose, 3mm. long; pappus 
cyathiform, o.5 mm. high, fimbriolate. 
Botrvia.—Sorata, April 14, — E.W.D.and M. M. Holway 517 (type in 
U.S. National Herbarium no, 105 
Well distinguished by its teal characters. 
Helianthus hypargyreus, sp. nov.—Evidently tall, herbaceous 
at least above; stem stout, pithy, subterete, densely and softly 
cinereous-pilosulous with reflexed or spreading hairs, glabrescent 
or glabrate; internodes 2-13 cm. long; leaves alternate; petioles 
