340 ROBINSON. 
21. E. MacropHyLiorpeEs Robinson (see p. 249). Tall soft-wooded 
shrub 3-4 m. high; stems round, tawny-woolly; leaves opposite, 
triangular-ovate, acute or acuminate, subtruncate at base but shal- 
lowly cordate at the point of insertion, crenulate practically from the 
base, about 1 dm. long and 8 em. wide, membranaceous, soft in tex- 
ture, 3-nerved (the lateral nerves bearing on the outer side several 
branches almost from the base), dusty-puberulent above, grayish 
and softly pubescent beneath; petioles as much as 6 cm. long; in- 
florescence a trifid compound corymb, the parts dense, rounded, 
many-headed; heads short-pedicelled, about 11-flowered; involucre 
subcylindrical, rather loosely imbricated; scales about 4-seriate, thin, 
straw-colored, the inner oblong-linear, rounded at the apex, the outer 
gradually shorter, obtuse, ciliolate; corolla probably whitish, 4 mm. 
long; the slender proper tube about as long as the perceptibly and 
gradually enlarged throat; style-branches filiform; achenes 2 mm. 
long, hispid; pappus-bristles about 36, unequal.— VENEZUELA (state 
not indicated): at “ Sanchorquig,” Eggers, no. 13,413 (U. S.). 
22. E. renurrorium HBK. Herbaceous perennial; stem slightly 
angled, branching toward the top and leafy almost to the summit; 
internodes as much as 7 em. long; leaves opposite, slender-petioled, 
rhombic-ovate, acute, sharply dentate except at the cuneately con- 
tracted base, 3-nerved, membranaceous, thin, 6-7 cm. long, 3-4. 
cm. wide, glabrous above, pubescent on the nerves and veins beneath; 
heads about 7-flowered, sessile in dense subglobose glomerules; 1” 
volucre cylindrical; scales about 14, very unequal, the inner linear- 
oblong, obtuse or rounded at the tip, subglabrous, the outer gradually 
shorter, ovate, ciliate, subacute.— Nov. Gen. et Spec. iv. 107 (1820).— 
BERMUDEZ: between Bordones and Cumana, Humboldt & Bonpland 
(Par., phot. and trae. Gr.). 
23. E. pYcNocEPHALUM Less. (see p. 296). Ménrrpa: near Toval, 
Fendler, no. 1953 (Gr.). A form somewhat more pubescent than the 
nearly smooth Mexican type, but without other differences of moment. 
24. E. MIcrosremon Cass. (see p. 295). E. microstemon, 4. ©" 
florum Ktze. Rev. Gen. i. 338 (1891). Mérrpa: near Tovar, Fendler, 
nos. 648 (Gr.), 1943 (Gr.). VENEZUELA, without locality, ace: 
Kuntze, |. ec. i i 
Var. tiLacinum Ktze. Florets lilac-— Rev. Gen. i. 338 (1891). 
Ménripa; near Tovar, Fendler, no. 6498 (Gr.). 
