EUPATORIUMS OF PERU. 53 
acutish or obtusish, cordate at base but with a short acumination at the 
insertion, subcrenate-dentate (teeth 15-20 on each side, the largest 
1.5 mm. high, 2.5 mm. broad, with revolute mucro), above slightly 
roughened in age and somewhat bullate, beneath loosely glandular- 
tomentulose, 3-nerved from the very base, about 4 cm. long, 2.25 cm. 
wide; corymbs about 5-headed from the axils of the upper leaves; heads 
70-100-flowered, on sticky-glandular pedicels (5-20 mm. in length); 
involucre campanulate, 3—4-seriate; scales 40-55, the inner densely 
glandular, lance-linear, acute, the outer gradually shorter and broader, 
acuminate, ovate-oblong, 5-7-nerved at the base, the nerves anastomos- 
ing; corollas about 5.5 mm. long, scarcely ampliated toward the summit, 
glabrous; style-branches moderately thickened; achenes brown, 4 mm. 
long, roughened throughout; pappus-bristles 30-40, dirty-white.— 
Hieron. in Engl. Bot. Jahrb. xl. 372 (1908).— Casamarca: below the 
Hacienda La Tahona near Hualgayoc, alt. 2600 m., Weberbauer, no. 
4037. Not seen by the writer, the description here compiled with 
condensation from the original character. 
17. E. psEuDARBOREUM Hieron. Shrub; branches somewhat hexago- 
nal, glabrous, grayish-brown, when young viscid and slightly vernicose; 
internodes 1-5 cm. long; leaves opposite, lanceolate to lance-oblong, 
acuminate, serrulate except near the cuneate base (teeth about 0.7 mm. 
high, 1-1.5 mm. wide), feather-veined (chief veins about 15 on each side), 
deep green, smooth, lucid, and nearly glabrous above, beneath olive- 
green, puberulent on the prominulent and reticulated veinlets, chartaceo- 
membranaceous, 7-10 cm. long, 2.4-3.5 cm. wide; petiole slender, 
about 1 cm. long; corymbs terminal on the branches, together forming 
a leafy panicle; heads about 14-flowered, on puberulent pedicels (2-5 mm. 
long); involucre 3-4-seriate, graded, ovate to lanceolate, acute, ciliate, 
green, with 3-5 pale ribs; corollas glabrous, slender, slightly and gradu- 
ally enlarged upwards, 5 mm. long; achenes yellowish-brown, ciliolate 
on the angles, 3.3 mm. long (scarcely mature); pappus-bristles about 
40, whitish with a slight yellow tinge, nearly smooth.— Hieron. in Engl. 
Bot. Jahrb. xxxvi. 469 (1905).— Casamarca: . Callacate, May, 1879, 
von Jelski, no. 766 (Berl., fragm. Gr.). 
18. E. Gayanum Wedd. Shrubby, 1 m. high; branches slender, 
ascending, nodulose after the fall of the leaves, at first closely enveloped 
In a yellowish-white wool, at length nearly glabrate, brownish, terete; 
Iternodes 5-35 mm. long; leaves opposite, subsessile crowded on the 
branchlets, linear, 3-5 cm. long, about 2 mm. wide, obtusish, grayish- 
pubescent and somewhat bullate above, densely covered beneath with 
yellowish-white wool; margins revolute, apparently entire; cymes loose, 
