COLOMBIAN EUPATORIUMS. 299 



with sessile or short-stipitate glands above, much paler, gray- 

 tomentose, and glandular beneath, 4-7 cm. long, 2.5-4 cm. wide, pro- 

 niinulent-reticulate oA both surfaces; petioles 2-3 mm. long, fuscous- 

 tomentose; panicle \ery diffuse, 12-30-headed, the branches opposite, 

 divaricate, long, flexuous, almost filiform; pedicels 1-2.5 cm. long; 

 heads about 36-flowered, about 8 mm. high, 5 mm. in diameter; 

 involucre campanulate, 3-4-seriate; scales purplish-brown, about 

 3-nerved, the outer short, broadly ovate, obtuse, the inner progressively 

 longer, narrower, and more acute; corollas pale greenish-yellow, 

 tinged with dark purple at the limb; achenes 2 mm. long, dark red- 

 dish-brown, upwardly hispid on the angles. — Proc. Am. Acad. liv. 255 

 (191S). 



Meta: woodland, " Buena vista," west of Villavicencio, alt. 1000-1200 m., 

 Pennell, no. 1678 (Gr.). 



46. E. magdalenense Robinson. Perennial herb, erect or 

 straggling, 3-9 dm. high; branches brown, often obscurely hexagonal, 

 soon glabrate and very smooth; branchlets in the inflorescence some- 

 what beset with very fine incurved hairs; leaves opposite or the 

 rameal alternate, narrowly ovate, attenuate-acuminate, rounded at 

 base, sharply serrate, thickish-membranaceous as if slightly succulent, 

 green and glabrous on both surfaces, 4-4.5 cm. long, 2-2.5 cm. wide, 

 3 (-7) -ribbed from the base, the reticulated veinlets translucent; 

 petiole 8-14 mm. long; primary branches of the inflorescence wide- 

 spreading, curved-ascending, each bearing several (3-7) short and 

 subequal spreading branchlets (1-3 cm. in length); these 2-3-leaved 

 and floriferous toward the tip, bearing 5-20 heads, the clusters 

 about 2 cm. in diameter; heads pedicelled, 25-flowered; involucre 

 campanulate, 5 mm. high and thick; scales lanceolate, acute, minutely 

 ciliolate, about 3-ranked, subherbaceous, becoming brownish in age, 

 very persistent; corollas white; achenes 1.7 mm. long, black, the 

 lighter-colored ribs remotely and microscopically hispidulous. — Proc. 

 Am. Acad. liv. 250 (1918). 



Magdalen a: moderately common on open ridges, Sierra del Libano, alt. 

 1677-1982 m., near Santa Marta, H. H. Smith, no. 1993 (Gr., Mo.). 



Marked by the short and uniform secondary branches of the in- 

 florescence. 



47. E. vitalbae DC. Vigorous somewhat climbing shrub, with 

 stems often 6-8 m. or more in length; branches, petioles, and in- 

 florescence finely pubescent; leaves opposite, petiolate, leathery. 



