COLOMIUA.N Kl'PATOHIUMS 323 



short internodes and numorous loaves often proliferous in the axils, 

 while the upright part bears only 2-3 pairs of remote somewhat re- 

 duced leaves. 



82. E. pauperatum HBK. Pubescent, suffruticose, 3 dm. high, 

 erect from a decumbent base, leafy two-thirds of the way to the small 

 dense rounded terminal pedunculate corymb; leaves deltoid, acute, 

 truncate at the base, crenate-serrate (teeth about 7 on each side, the 

 proximal rounded, the distal acutish), 3-nerved, somewhat pubescent 

 above, softly so beneath, 1.2 cm. long, 1 cm. wide; petiole about 6 mm. 

 long; involucre campanulate; scales lanceolate, subulate-tipped, 

 green, ribbed, ciliate, the slightl}- shorter outer ones dorsally pubescent; 

 florets 5 mm. long; corollas glabrous, violet-tinged at the summit; 

 achenes glabrous. — Nov. Gen. et Spec. iv. 121 (1820). 



New Grenada? with no more definite locality, Humboldt & Bonpland 

 (Par., phot. Gr.). 



Known only from the original collection. Placed doubtfully in 

 § Conoclinium from its resemblance to other members of the group. 

 The writer has had no opportunity to ascertain the nature of the 

 receptacle, a feature not mentioned in the original description. 



83. E. microphyllum L. f. Small decumbent herb, 1-3 dm. high, 

 perennial or at times fruticulose (but sometimes exhibiting fibrous 

 apparently annual roots); stem terete, covered with fine spreading 

 curved white hairs, leafy to the middle or somewhat higher; leaves 

 opposite, petiolate, very small, thick, coriaceous, ovate, obtuse, 

 rounded or more often cordate at base, crenately about 3-toothed on 

 each side, 3-nerved, green and glabrous above, white-woolly on the 

 under surface, 6-10 mm. long, 4-7 mm. wide; petiole 2-4 mm. long, 

 hirsutulous; peduncular summit of the stem often 1 dm. long, flexuous, 

 bearing 1-2 pairs of reduced leaves and a dense terminal rounded 

 corymb (1.5-4 cm. in diameter); heads about 18-flowered; involucral 

 scales 2-3-seriate, lanceolate, gradually attenuate to a subulate tip, 

 green or often purple-tinged, 2-4-ribbed, the outer successively shorter, 

 ciliate, pubescent on the back; corollas violet-tinged or blue (Rusby & 

 Pennell), externally puberulent; achenes almost black, 2.3 mm. long, 

 tapering downward, rounded at summit, glabrous. — Suppl. 355 (1781) ; 

 Heering, Mem. Soc. neuchat. Sci. Nat. v. 419 (1913). Conoclinium 

 microphyllum (L. f.) DC. Prod. v. 135 (1836). 



Cundinamarca: Montserrate near Bogotd, Holton, no. 318 (Gr.); slopes of 

 Montserrate and Paramo Cruz Verde, Mayor, no. 75, ace. to Heering, 1. c; 



