338 PROCEEDINGS OF THE AMERICAN ACADEMY. 



cbotomous ; pedicels filiform, 5 mm. long; involucre) bracta thin, pale 

 green, verj unequal, the inner oblong, obtuse, ciliate and minim ly 

 puberulent, nun. long, the outer much Bhorter, ovate-lanceolate, acute. 

 glabrous: flowera about 16: corolla purple, 6 mm. long, considerably 

 exceeding the delicate bright white pappus: achenee glabrous, dark 

 . 2 mm. long, — Collected by ('. (1. Pringle in a wet mountain 

 canon above Cueruavaca, Mexico, altitude 2,000 m., 15 February, 1 - 

 no. Three to five meters bigh. 



E. pacacanum, Klait, Botanisches Beiblatt zur Leopoldina, i 

 p. 3. Add syn. & roseum, Klatt Bull. Sue. Bot. Belg. xxxi in I | 1892), 

 not Gard. Both of Dr. Klatt's Bpecies lure mentioned rest upon 



Pittier's no. 3324 The existe > of an earlier valid E.roteum m 



skates the adoption of Dr. Klatt's second name. 



E. phoenicolepis. Stems terete, probably herbaceous, purplish 

 brown, covered with dense very short glandular sordid lomentum : lea 

 opposite, ovate, acuminate, cordate with a narrow sinu>. serrate, dull green, 

 pulverulent and sometimes bullate above, paler, tomentose and reticulate- 

 veiny beneath, 3-nerved from near the base, 5 to 7 cm, long, -A to 4.5 

 cm. broad; petioles 1.4 to 3 cm. long; bracts similar to the leaves ex- 

 cept in their smaller size, extending up into the many-headed opposite- 

 branched round-topped panicle; heads 1 cm. in height, about 18- 

 flowered; bracts of the involucre purple, flat, striate, acutish, very 

 unequal, regularly imbricated in 4 to 5 series, the outer very short. 

 ovate, dark and dull, the inner lighter and somewhat lucid, about equal- 

 ling the tlowers: corollas apparently deep purple or crimson, ."> mm. 

 long, equalling the delicate and not very copious pappus: style-branches 

 clavate; achenes 2.2 mm. long, upwardly hispidulous under a lens. — 

 Collected by K. W. Nelson between San Cristobal and Teopisca, Chiapas, 

 Mexico. 1 December, 1895, no. 317"). Types in herb. Gray and herb. 

 U. S. Nat. Museum. A species with the styles and to some extent the 

 involucre of a BrickeUia but the achenes of a Eupatorium. It is most 

 nearly related to II. Bigelovii, (Way, which, however, has much more 

 acute scales and smaller leaves not cordate at the base. 



E. photinum. Glabrous up to the slightly pulverulent-puberulent 

 inflorescence, herbaceous, erect, 5 dm. high: stems terete, subsimple, 



dark purple, with rather long inter lea : leaves opposite, ovate or 



OVate-lai date, 7 toll cm. long, 8 to 4 cm. broad, caudate-attenuate. 



serrate except near the Bubacute base, green, glabrous, and somewhat 

 lucid upon both surface-. .". nerved from near the base j reticulate veins 

 slightly translucent; petioles purple, 1.5 to 2 cm. long: heads small, 



