426 BLAKE: NEW SoutH AMERICAN VERBESINAS 
Colombia: In shrub zone (‘‘paramillo’’), Mt. El Derrumbo, 
Dept. El Cauca, Cordillera Occidental, alt. 2500-2900 m., I 
July 1922, E. P. Killip 7993 (type no. 1,140,323, U. S. Nat. 
Herb.). 
A member of the section Saubinetia, distinguished from all 
other South American species of its group by its opposite leaves. 
The involucre is also characteristic. 
Verbesina hastifolia, sp. nov. 
Suffrutescent, 1.6 m. high; stem densely cinereous-puberulous; 
leaves opposite or subopposite; petioles short, naked; blades 
taneulan hastately 2-lobed at base, coarsely lobate-toothed 
middle, cinereous-tomentose beneath; heads small, radiate, 
yellow, about 25-flowered, Suareraity in ee ak clon axillary. 
and terminal cymose panicle 
Stem rather slender, lec ‘striatulate, very densely cinereous- 
puberulous with somewhat matted hairs, these more or less 
deciduous in age, leaving the sphas subglandular bases; petioles 
similarly aoa stout, I-2 cm. long, not auricula te or de cur- 
rent; blades triangular in baine. usually oblique, 10-14 cm. 
long, 6.5-10 cm. wide across the basal a te 3.5-5. sa m. wide 
fied middle, obtuse, at base subtruncate and v Bey 
decurrent on the € pep ole, sharply serrate, ‘thickish, eee dull 
cm. wide; disk 8-10 mm. nies 5-7 mm. aa pcs 
binge the lamina long, of ceaaes pret abou 
I1-nerved, pubescent . ee. disk flowers 18-23, their pet 
yellow, densely pilose e on limb and lower throat, 5. 3 mm. long; 
pra center and yellowish tips, about 7 mm. long; achenes very 
flat, narrowly cuneate, 6 mm. long, obsoletely 2-winged, hispidu- 
lous on the wings, otherwise glabrous; awns 2, slender, upwardly 
hispidulous, unequal, 4.5 mm. long or les 
Peru: On rocky western slope, eae Dept. Lima, 
alt. about 2440 m., 12 April-3 May 1922, Macbride & Feather- 
