1922] BLAKE—ASTERACEAE 425 
Verbesina adenobasis, sp. nov.—Shrubby (?); branches stout, 
herbaceous, pithy, sordid-pilosulous with crisped hairs, glabrescent; 
leaves opposite or subopposite; petioles sordid-pilosulous, marginate 
above, stout, 1-2.5 cm. long; blades broadly ovate or rhombic- 
ovate, 12-17cm. long, 7-10cm. wide, sometimes with a short 
triangular lobe on one side near middle, acute, at base rounded- 
cuneate, then cuneately decurrent on the upper part of the petiole, 
serrulate above the base (teeth about 4o pairs, slender, acutish, 
1mm. high), papery-pergamentaceous, above deep green, densely 
scabrid-hispidulous with glandular-tuberculate-based hairs, very 
densely so along the veins, beneath rather densely hirsutulous- 
pilosulous with crisped somewhat deciduous sordid hairs (those 
along the veins dense and brownish), triplinerved above the base, 
loosely prominulous-reticulate beneath; panicle terminal, ter- 
nately divided, very many-headed, flattish, about 22cm. wide, 
densely sordid-pilosulous with several-celled crisped sordid sub- 
glandular hairs; bracts minute; pedicels 3-14 mm. long, sometimes 
obsolete, naked or with minute bractlets; heads narrowly becoming 
broadly campanulate, the disk 8-11 mm. high, 3-4.5 mm. thick; 
involucre about 3-seriate, graduate, about 4 mm. high, passing 
into the pales, the outermost phyllaries small, linear-oblong or 
spatulate-oblong, herbaceous, obtuse or rounded, glandular- 
puberulous, ciliolate, 1.5-2 mm. long, 1 mm. wide or less, the inner 
oblong, obtuse, 1-1.3mm. wide, ciliolate, otherwise glabrous, 
greenish-white, all appressed; rays 2 or 3, pale yellow, fertile, the 
lamina oval, 4.5 mm. long, 2.8 mm. wide; disk flowers 11 or 12, 
their corollas pale yellow, pilose on tube with several-celled hairs, 
5-5-6 mm. long (tube 1.5-2mm., throat cylindric-funnelform); 
pales obtuse, glabrous or somewhat ciliolate, 6mm. long; ray 
achenes trigonous, 3-awned; disk achenes obovate, very flat, 
essentially glabrous, 5 mm. long, the body 1.5 mm. wide, 2-winged, 
the wings o.5—o.9 mm. wide; awns 2, subequal, subterete, sparsely 
hispidulous, 3.5—4 mm. long. 
Ecuapor.—In shrubbery along roads, Cuenca, September 15, 1920, EZ. W.D. 
and M.M. Holway 991 (type in U.S. National Herbarium no. 1058641). 
A member of the V. arborea group, related to V. Woensis Hieron., which 
has velvety-tomentose branches, oblong alternate leaves, 3-6 ray flowers or 
none, and 12-18 disk flowers. 
