COLOMBIAN EUPATORIUMS. 299 
with sessile or short-stipitate glands above, much paler, gray- 
tomentose, and glandular beneath, 4—7 cm. long, 2.54 em. wide, pro- 
minulent-reticulate on both surfaces; petioles 2-3 mm. long, fuscous- 
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- 
— upwardly hispid on the angles.— Proc. Am. Acad. liv. 255 
1918). 
Meta: woodland, “Buenavista,” 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 em. long, 2-2.5 em. 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 em. 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.— Proce. 
Am. Acad. liv. 250 (1918). 
: Macpaena:- moderately common on open ridges, Sierra del Libano, alt. 
677-1982 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 
8 often 6-8 m. or more in length; branches, petioles, and in- 
finely pubescent; leaves opposite, petiolate, leathery, 
