320 ROBINSON. 
2-3 cm. long and 2-4 mm. wide, obscurely Fae the basal spatulate- 
oblanceolate, sometimes as much as 8-12 mm. wide, more clearly 
3-ribbed, narrowed to a petiole-like base; penser erect or ascend- 
ing, 1-headed, 3-8(-15) cm. long; heads 12-14 mm. high, about 1 em. 
in diameter, the disk at maturity strongly convex; involucre turbinate- 
subcylindric, about 3-seriate; inner scales lance-oblong, obtusish and 
often erose-marcescent at the tip, 3-5-nerved, the intermediate pro- 
- gressively shorter, acute to attenuate, the outermost linear to filiform, 
usually ciliate and often spreading at the attenuate apex; receptacle 
convex; corollas pale purple; achenes black, 5-ribbed but usually 
more or less compressed, hispid on the paler ribs or subglabrous.— 
Nov. Gen. et Spec. iv. 120 (1820); Bak. in Mart. Fl. Bras. vi. pt % 
342, t. 90, f. 1 (1876), where the range is extended to Colombia; 
Hieron. in Engl. Bot. Jahrb. xxii. 782-3 (1897), where also credited 
to Colombia. For extended synonymy see Bak. 1. c 
Cotoms1a: Humboldt & Bonpland, and Funck, no. 223, acc. to Bak. lL. ¢. 
[Venezuela to Paraguay and Peru.] 
It is suspected that the particular specimens on the basis of which 
Baker ascribed this species to Colombia may have come irom 
Venezuela, yet there is even in that event much likelihood that this 
weed-like annual widely distributed in South America occufs in 
Colombia. 
Sect. V. Conoctintum (DC.) Benth. Involucre campanulate} 
the scales acute, subequal or more often moderately pada = 
2-4-seriate, persisting (except some of the innermost) afte fal 
of the achenes. Receptacle conical, naked.— Benth. ex * Bak. in 
Mart. FI. Bras. vi. pt. 2, 360 (1876); Hoffm. in Engl. & Prantl, Nat. 
Pflanzenf. iv. Abt. 5, 140 (1890). Conoclinium DC. Prod. v. 135 
ue. — Herbaceous or suffruticose plants, chiefly perennial, rarely 
annual. 
Key To Species. 
a. Rage gece Be ee above —— base ne 
eaves (often alternate) mostly - ~- ong, softly mem- 
branaceous; teeth rounded, (7—)9-14 on n each side. 80. E. hallotaefolium- 
b. Leaves ahaa ite) very small, 15 wat mm. long (sometimes 
larger in no. 84, coriaceous; crenatures 3-5(-8) on each 
Cc. woe covered above with rather coarse white hairs 
se; leaves oval, rounded at. ‘le. 
then somewhat cuneately narrowed to the petiole. ‘SL E. han 
