EUPATORIUMS OF PERU. 61 
diameter; branchlets and pedicels webby-puberulent; heads many, 
about 7-flowered, 6 mm. (very immature) high, 3.5 mm. in diameter; 
involucral scales about 13, ovate-oblong, acutish, finely striate, stra- 
mineous with purplish tinge, graduated, webby-ciliate; corollas 
slenderly tubular, 5-nerved, granulated; achenes tapering downward, 
finely granulated; pappus-bristles about 23.— ANcacHs: open woods 
by a brook at Comin, Prov. Huari, alt. 3600-3700 m., Weberbauer, 
no. 2918a (Berl., phot. and fragm. Gr.). 
5. E. coELocauLe Robinson. Shrubby; branches stout, round, 
grayish-brown, at length glabrous, smooth, hollow; internodes 3-4 cm. 
long; leaves opposite, lance-oblong or rhombic-lanceolate, long- 
acuminate, serrate (except at the cuneate base), feather-veined, of 
firmish texture, at maturity green, glabrous, and somewhat shining 
above, somewhat glaucous and puncticulate beneath; petiole 14 cm. 
long, smooth, reddish; upper leaves smaller, lanceolate, entire; 
corymb terminal, sessile, compound, slightly convex, 1-1.5 cm. broad, 
densely covered with a short and curly fulvous tomentum; heads 
very numerous, shortly pedicelled or sessile by 2’s or 3’s, about 5- 
flowered, 10-12 mm. high, 2-3 mm. thick, slenderly cylindrical; scales 
about 12, stramineous, about 3-seriate, the outer ovate, acutish, the. 
inner gradually longer, narrowly elliptical, delicately striatulate, 
obtusish, glabrous; corollas smooth, slightly enlarged upward, 
7 mm. long; achenes dark, shining, obsoletely granulate; pappus- 
bristles about 30, unequal, yellowish-white— AMAZONAS: Prov. 
Chachapoyas, Mathews, no. 1373 (K., phot. and fragm. Gr.). 
3. E. amyegpatinum Lam. Encye. ii. 408 (1786); Hieron. in 
Engl. Bot. Jahrb. xxxvi. 470 (1905); Robinson, Proc. Am. Acad. liv. 
301, 339 (1918). E. dodoneaefolium DC. Prod. v. 161 (1836). E. 
fraternum DC. |. c. 163.— Loreto: near Tarapoto, Spruce, no. 4116 
Gr.). San Martin: open grassy plains at Yurimaguas, Prov. May- 
nas, Poeppig, no. 2075 (DC., phot. Gr.). Casamarca: Tambillo, 
von Jelski, no. 728, acc. to Hieron. |. c. Cuzco: Santa Ana, alt. 
900 m., Cook & Gilbert, no. 1613 (U. S.). ANcacus: on open hills 
at Cuchero, Poeppig, no. 18 (DC., phot. Gr.). WitHouT LOcALIty: 
Mathews (N. Y.). The original specimen of E. amygdalinum said to 
have been collected in Peru by Joseph de Jussieu is still extant (Par., 
phot. Gr.), but probably came from what is now Ecuador. [Nicaragua 
to Bolivia and Brazil.] 
37. E. Sprucet Robinson (p. 33). Low undershrub, 2-3 dm. 
stem curved-ascending and distinctly woody toward the soon 
defoliated base; internodes very short below; leaves opposite, oblan- 
