360 ROBINSON. 
serrulate except at the entire cuneate base, 10-12 cm. long, 4-5 em. 
wide, pinnate-veined, finely and prominulently reticulate-veined on 
both surfaces (ultimate areolae about 0.5 mm. in diameter), glabrous 
and somewhat lucid; midrib sulcate on the upper surface toward the 
base; petiole 2 cm. long; corymbs compound, as much as 2 dm. in 
diameter, moderately convex, obscurely puberulent; heads very 
numerous, shortly pedicelled, usually by 2’s or 3’s, 5-flowered, 7 mm. 
long, 4 mm. in diameter; involucre campanulate, 4-5 mm. long; 
scales about 7, lance-oblong, obtuse, unequal, dorsally granular and 
viscid, the inner ciliolate at the broadish summit; corollas violet, 
granulate on the short proper tube, the throat scarcely enlar 
nearly or quite smooth; achenes 2 mm. long, roughened on the angles; 
pappus-bristles about 21, unequal, hispidulous.— Syst. ii. 415 
(1826); Hieron. in Engl. Bot. Jahrb. xxii. 776 (1897), not Bak. 
Mikania arborea HBK. Nov. Gen. et Spec. iv. 1389 (1820), not E. 
arboreum HBK. 1. ec. 131.— Losa: near Loja, alt. 2013 m., Humboldt & 
Bonpland, no. 3367 (Par., phot. Gr.). [Peru.] 
33. E. rasticratum HBK. (see p. 307).— Losa: in mountains, 
ace. to Jameson, Syn. Pl. Aeq. ii. 86 (1865). [Colombia.] 
E. etecans HBK. Shrub with round virgate pilose-tomentose 
leafy branches; leaves opposite, subsessile or very shortly petioled, 
elliptic-ovate, obtuse, crenate-serrulate except at the rounded entire 
base, feather-veined and reticulated, coriaceous, slightly scabrous - 
both surfaces, somewhat pubescent on the midnerve and veils 
neath, about 3 cm. long, half as wide; corymbs terminal, small, 3-9 
cm. in diameter, congested, subsessile, scarcely exceeding the sur 
rounding leaves; heads subsessile; involucre campanulate, the scales 
10-15, lanceolate, obtuse; corollas inferred to be white; pappus- 
bristles whitish, equalling the corolla, hispidulous.— Nov. Gen. . 
Spee. iv. 133 (1820); Jameson, Syn. Pl. Aeq. ii. 89 (1865).— AZUAY* 
in ravine of Tarqui ? Humboldt & Bonpland (Par., phot. Gr +). se 
in the original description of this species its type-locality 1s ae 
with doubt. The plant does not appear to have been rediscovered. 
E. viscosum HBK. Glabrous viscid shrub; branches 
except at the obtusish entire base, conduplicate, coriaceous, 8 ae 
long, 3-3.5 em. wide, smooth and sticky, reticulate-veiny, dark-gr¢ 
and shining above, pale and dull beneath; petiole 1 cm. long; pee 
composite, open, irregularly and somewhat fastigiately wane 
bracts linear, entire; heads pedicelled, about 40-flowered, § a 
