62 ROBINSON 
p. Leaves entire or obsoletely crenate....... 53. E. ignoratum. 
p. Leaves coarsely serrate-dentate gq. 
q- Shrub, 2 m. high; leaves glabrous....54. E. grossidentatum. 
q. Perennial herb, 3-4 dm. high; leaves with scattered pubes- 
eence on nerves beneath........... . EF. calderillense. 
O. Denwes 5-12. wins, Wide. ooo cok ccc asne ds 56. EH. scopulorum. 
42. E. latipaniculatum Rusby. A slender shrub 2-3 m. high; 
stems flexuous, terete, purplish-brown, when young obscurely tomen- 
tellous, the hairs slender, with purple articulation; leaves opposite, 
sessile by a long narrow petiole-like base, oblong-lanceolate, caudate- 
acuminate, finely and sharply serrate except on the attenuate basal 
portion, feather-veined, puberulent on the mid-nerve and chief veins 
above, somewhat paler and more generally pubescent beneath, 1.4— 
2.2 dm. long, 4-9 em. wide, membranaceous; panicle ovoid, opposite- 
branched, leafy-bracted, 2-3 dm. high and thick; heads about 9 
mm. high and 10-12 mm. in diameter, crowded at the ends of the 
branches of the panicle; pedicels sometimes as much as 1 em. long; 
involucre campanulate, the scales lanceolate to linear, gradually 
acuminate, purple-tinged, dorsally pubescent; corollas purple, slen- 
derly funnel-shaped, hispidulous on the limb; achenes at maturity 
black, roughened both on the ribs and faces by a few short-stiped 
glands (not smooth as originally described); pappus-bristles white, 
delicate, barbellate—Bull. N. Y. Bot. Gard. iv. 380 (1907). 
La Paz: Prov. Yungas: in forest-mould of wet shady places, abundant, 
Sacramento, Bang, no. 2386 (Gr., N. Y., U.S., Mo., K.). 
43. E. jugipaniculatum Rusby. Shrub 2-2.5 m. high; stems 
terete, covered with fine upcurved or subappressed hairs, these at 
first delicate and purple-jointed, at length firm, sordid-stramineous 
and somewhat bristle-like; leaves opposite, lance-oblong, shallowly 
mucronulate-serrate except near the acuminate tip and narrowed 
but obtusish base, feather-veined, membranaceous, subappressed- 
pubescent on the midnerve and chief veins, green on both surfaces, 
10-12 cm. long, 3.5-6.4 em. wide; petiole terete, sordid-strigose, 
1-1.5 cm. long; veins about 6 pairs; panicle pyramidal, about 1 dm. 
high and thick, sometimes reduced to a subsimple strongly convex 
corymb scarcely over 3 cm. high and thick, its branches and pedicels 
densely sub-appressed-pubescent; heads 8-10 mm. high and equally 
broad, often nodding; involucral scales subequal, scarcely imbri- 
cated, lance-linear, attenuate, about 6 mm. long, densely pubescent; 
corollas white, glabrous; achenes_ slender, pale, smooth; pappus- 
bristles whitish, nearly smooth—Bull. N. Y. Bot. Gard. iv. 379 
(1908). 
