274 ROBINSON. 



6. E. diaphanophlebium Robinson. Similar in habit and in 

 most features to the preceding, more slender; leaves also ovate, 

 caudate-acuminate, rounded at base, opposite, on short petioles, but 

 smaller, 5-7 cm. long, half as wide, not translucent-punctate but with 

 a distinctly pellucid network of small veins; heads smaller, 4 mm. in 

 diameter; branches of the panicle dividing three or more times, many- 

 headed.— Proc. Am. Acad. liv. 242 (1918). 



Magdalena: Santa Marta, H. H. Smith, no. 1990 (Gr., X. Y.). 



7. E. uromeres Robinson. Slender shrub with grayish-green 

 foliage and terete flexuous presumably reclining stems; leaves oppo- 

 site, ovate, acute, rounded or shortly cuneate at base, undulate- 

 serrulate, 4-G cm. long, 2-3 cm. wide, thin, dull green and finely 

 papillose above, paler, softly and rather copiously pubescent on the 

 nerves and netted veins beneath; cymes 3-5-headed, opposite, widely 

 spreading, their branches and diverging pedicels very slender, crisped- 

 pubescent; heads campanulate, 7 mm. high, 4 mm. thick, about 45- 

 flowered; scales ivory-white, with a dark mid-vein becoming broader 

 upward and terminating in a narrow spreading or deflexed caudate 

 herbaceous appendage. — Proc. Am. Acad. liv. 260 (1918). 



Magdalena: Occasional in thickets and dry forest below 915 m., Santa 

 Marta, H. H. Smith, no. 505 (Gr., N. Y., Mo.); dry forest near Bonda, Aug., 

 H. H. Smith, no. 659 (N. Y.); near Onaca, alt. 770 m., Dec, H. H. Smith, 

 no. 658 (N. Y.). 



8. E. columbianum Heering. Sordid-pubescent shrub; branches 

 6-ribbed and deeply channeled between the ribs; leaves opposite, 

 petiolate, large, ovate, 1-1.6 dm. long, about half as wide, acuminate, 

 coarsely serrate, pubescent on ner\es and \eins but otherwise sub- 

 glabrous and in age somewhat rugose or bullate above, sordid- or 

 rusty-tomentose beneath, rounded at base or sometimes shortly 

 cunoate-decurrcnt on one or both sides of the petiole; heads very 

 numerous, sessile or nearly so in dense compoimd round-topped 

 corymbs; scales many-seried, 3-ner\ed, darkened toward the ob- 

 tusely pointed more or less hairy tip; florets about 12; corollas pale 

 violet or white.— Mem. Soc. neuchat. Sci. Nat. v. 421 (1913). 



Antioquia and Tolima: common everywhere to 2000 m., Mai/or, no. 629 

 (ace. to Heerinp;, 1. c). 



Cundinamahca: Guadalupe, alt. 3000 m., Bros. Apollinaire cfc Arthur, 

 no. 88 (Gr., U. S.). 



Without locality: Triana, no. 1238 (K., N. Y.). 



