te 
BLAKE: NEW SoutH AMERICAN VERBESINAS 429 
(ray and disk) obovate, flattish, bluntly 1-ridged on each side, 
very narrowly 2-winged (the wings hispidulous-ciliate, adnate 
2 base of gen papel hispidulous above, 4 mm. long, 1.8—2 
m. wide; awns 2, slender, upwardly hispidulous, unequal, 3 
mm. long or fc 
Peru: In gravelly, shrubby stream bottom, Yanano, Dept. 
Huanuco, alt. 1830 m., 13-16 May 1923, J. F. Macbride 3786 
(type no. 534848, herb. Field Mus.; duplicate no. 1,191,467-8, 
U.S. Nat. Herb.). 
A member of the section Ochractinia, nearest V. columbiana 
Robinson, in which the involucre and pales are densely pubes- 
cent, and the main axis and branches of the inflorescence densely 
sordid-pilosulous with lax many-celled hairs. 
Verbesina pterophora, sp. nov. 
Tall herb; stem essentially gla brous, glaucescent; leaves 
alternate, large, pinnately lobed, puberulent t be eneath, the long 
winged petioles penrucdinaiions heads sma ll, radiate, white, 
about 23- sesniebiicas short-pedicelled, prperous in cymose panicles. 
m rather stout, multistriate, whitish, sparsely branched, 
glabrous easbaed hispidulous with mostly incurved ‘ge towards 
the inflorescence; leaves ovate in outline, 16-27 cm. long 
cluding petiole, this 5-7°5 deri long, winged to base, ne decurrent 
h .5 cm. in herbaceous wings I-3 mm. wide), 
wide, pinnately Sec g-lobed (the upper ie inerely 
ahatioety repand-dentate or lobed) with lance-elliptic or triangu- 
ar, acuminate, remotely serrulate lobes (the rachis between 
em 0. wide), acuminate, long-cuneate at the base and 
decurrent the whale length of the petiole, thin, above dark 
green, slightly harsh with small incurved scarcely tuberculate- 
based hairs, beneath lighter green, evenly puberulous with curved 
antrorse hairs and alon ng the veins hispidulous, featherveined 
(the lateral veins about 6 pairs); heads numerous, 6 mm. ihe 
in axillary and terminal pedunculate, bracteolate, cymose pan 
cles 4-9 cm. wide; pedicels 1.5—5 mm. long, densely condi tae: 
pidulous eich mostly curved ascending hairs like the upper 
the outer phyllaries linear to oblong, acute or short-acuminate, 
the innermost (subtending the rays) oblong, acute or acuminate, 
all whitish-stramineous, with thin obscurely subherbaceous tips, 
hispidulous-puberulous chiefly above and toward margin; rays 
4, white, pistillate, the lamina oblong-ov. al, 3.5 mm. long, 
3-toothed, 5-nerved; disk flowers about 19, their corollas white, 
hispidulous with several-celled hairs chiefly on tube and lower 
