68 ; ROBINSON 
base, the hyaline margin ciliate (the hairs jointed), dorsally beset 
with sessile or short-stiped capitate glands; corollas smooth, yellow- 
ish-white, narrowly funnel-formed; achenes 2.5 mm. long, scabrid 
on the angles, beset with sessile glands on the faces; pappus-bristles 
20-25, yellowish-white.—Hieron. in Engl. Bot. Jahrb. xl. 377 (1908). 
, Tara: Prov. Mendez: in wet places near Camataqui, Fiebrig, no. 3069 
in part. 
No material of this species has been seen by the writer, the char- 
acter is here condensed from the original diagnosis of Prof. Hierony- 
mus. 
53. E. ignoratum Hieron. Shrubby; branches subterete, when 
young obscurely puberulent, soon glabrate, purplish-gray; leaves 
opposite, petiolate, lance-ovate, acuminate, subcuneate to rounded 
at base, essentially entire or obscurely crenate-undulate, firmly mem- 
branaceous, soon entirely glabrate on both surfaces, 3-nerved from a 
point slightly above the base, mostly 4-5 em. long, 2-3 cm. wide, 
dull, glandular-punctate, finely reticulated with veinlets immersed; 
petioles slender, 7-10 mm. long; panicle rounded-pyramidal, 2 dm. 
in diameter; heads 40-50-flowered (acc. to Hieron.), crowded at the 
ends of the branches of the panicle, nearly 1 cm. high and equally 
thick; pedicels 1-8 mm. long; involucre campanulate, about half 
as long as the head; scales lanceolate, subequal, little imbricated, 
sordid-pubescent; corollas whitish, subcylindric-infundibuliform, 4.5 
mm. long; achenes slender, papillose, at length fuscous; pappus- 
bristles about 20, dirty-white, scabrid.—Hieron. in Engl. Bot. Jahrb. 
xl. 379 (1908). E. longipetiolatum Hieron. 1. ¢. xxii. 786 (1897); 
Ktze. Rev. Gen. iii. 147 (1898), as to pl. of Santa Cruz; not Sch.- 
Bip. 
Santa Cruz: alt. 2600 m., Kuntze (N. Y.). 
54. E. grossidentatum Hieron. Shrub, attaining a height of 
2 m.; branches round, at first green and pubescent, later glabrate 
and dark or brown; leaves opposite, rhombic-ovate, coarsely and 
irregularly dentate except at the acute apex and toward the cuneate 
base (teeth 4-12 on each side, 2-5 mm. high and equally wide at 
base), subchartaceous, glaucous-green, wholly glabrous, subtripli- 
nerved from a point 2-3 mm. above the base, finely reticulate-veiny, 
sometimes as much as 9 cm. long and 3.5 em. wide, punctate wi 
immersed glands; petiole 5-15 mm. long; cymes dense, terminal on 
the uppermost branches; peduncles puberulent, becoming 1 cm. 
long; heads 30-35-flowered; involucre campanulate, its scales 12-16, 
subequal, lanceolate, acutish, 3 mm. long, herbaceous, lacerate- 
