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; 

 invohieral scales about 13, ovate-oblong, acutish, finely striate, stra- 

 mineous with purplish tinge, graduated, webby-ciliate; corollas 

 slenderly tubular, 5-ner^'ed, granulated; achenes tapering downward, 

 finely granulated; pappus-bristles about 23. — Ancachs: open woods 

 by a brook at Comin, Pro^'. Huari, alt. 3600-3700 m., ]]'eberbauer, 

 no. 2918a (Berl., phot, and fragm. Gr.). 



35. E. COELOCAULE Robinsou. 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 1-4 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.). 



36. E. amygdalinum Lam. Encyc. 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. 1. 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.). Cajamarca: Tambillo, 

 von Jelski, no. 728, ace. to Hieron. 1. c. Cuzco: Santa Ana, alt. 

 900 m.. Cook & Gilbert, no. 1613 (U. S.). Ancachs: on open hills 

 at Cuchero, Poeppig, no. 18 (DC, phot. Gr.). Without locality: 

 Mathews (X. Y.). The original specimen of E. amygcIaUnum 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. Sprucei Robinson (p. 33). Low undershrub, 2-3 dm. 

 high; stem curved-ascending and distinctly woody toward the soon 

 defoliated base; internodes very short below; leaves opposite, oblan- 



