310 ROBINSON. 
than in the two preceding, but otherwise similar; flowers pinkish 
(Rusby & Pennell).— Pl. Hartw. 200 (1845). 
UNDINAMARCA: in Cordillera de los Andes, near Bogoté, Hartweg, no. 1106 
(K.), Holton, no. 311 (Gr.), Rusby & Pennell, no. 1307 (N. Y.); shrubby slope, 
Chapinero, alt. 2700-2800 m., Pennell, no. 2039 (Gr.). 
Wirnovt Locauity: Triana, nos. 19 (Gr.) and 1236 (N. Y.). 
Varying from smoothish to pubescent, the hairs when present being 
tawny and stiffish, occurring chiefly below the middle of the stem and 
on the young branches about the base. The species is suspiciously 
close to E. viscosum HBK., supposed to have come from Ecuador 
(see p. 361). : 
63. E. serratifolium (HBK.) DC. Smooth shrub with opposite 
curved-ascending striate and somewhat hexagonal branches; leaves 
opposite, petiolate, rhombic-ovate, acuminate, about 3 cm. long, 
incisely serrate except toward the cuneately narrowed base, mem- 
branaceous, smooth, 3-nerved and reticulate-veiny; petiole 6-8 mm. 
long; heads numerous, about 5-flowered, in terminal flattish-topped 
trichotomous compound corymbs; involucre short-cylindric; sca 
about 5, narrowly oblong, blunt, sticky, ciliate but otherwise smoothish; 
achenes dark, 2 mm. long, hispid on the angles.— Prod. v. 181 (1836). 
Mikania serratifolia HBK. Nov. Gen. et Spec. iv. 138 (1820). 
Touma? near Mariquita? Humboldt & Bonpland (Par., poor phot. Gr.). 
As yet known only from the original material of uncertain omg! 
but doubtfully supposed by Kunth to have been collected in the place 
cited and at an altitude of about 1000 m. ; 
64. E. solidaginoides HBK. Slender-stemmed shrub, reaching 
3 m. in height (André); branches subterete or obscurely hexagonal, 
finely pubescent; internodes usually 4-10 cm. long; leaves opposite, 
slender-petioled, ovate, caudate-acuminate, rounded or cordate at 
base, dentate, thin, membranaceous, 5-12 cm. long, half as wide, 
subglabrous or hirtellous above, sparingly to rather densely pubescent 
beneath; petioles 1-3 em. long; the axils often proliferous; panicle 
terminal, leafy-bracted, pyramidal, its branches widely spreading; 
heads small, on filiform pedicels, disposed in often subglobose age 
erules on short secondary branchlets; florets 10-15, greenish- to ¥ 
ubequal, 
126 
(1820). E. filicaule Sch. Bip. ex Gray, Proce. Am. Acad. wer 
(1886). E. stipuliferum Rusby, Mem. Torr. Bot. Club, iv. 210 (1899)- 
