316 ROBINSON. 
Macpaena: on the Sierra Nevada de Santa Marta, Funck, no. 391, ace, 
to Weddell, 1. c. 
[Ecuador, Peru, and Bolivia, ace. to Weddell, 1. c.]. 
A poorly known species, in its described characters not clearly 
distinguished from the earlier and variable E. glechonophyllum Less., 
which appears to extend from the Andes of Ecuador to the coast of 
central Chili. No Colombian material of E. azangaroense has been 
seen by the writer. 
73. E, microcephalum Regel. Erect, suffruticose, paniculately 
branched, puberulent on stem and terete branches; leaves opposite, 
petioled, cordate or “ cordate-ovate,”’ 3-nerved, coarsely crenate 
toothed, acuminate to an acutish tip, entire at base and cuneate- 
attenuate at the insertion of the petiole, hispid with single hairs on 
both surfaces, as much as 1 dm. long and 8 cm. wide; cymes axillary 
and terminal, disposed in a panicle; peduncles pubescent, exceeding 
the leaves; heads 4-6 mm. high, about 30-flowered; involucral scales 
lance-linear, acute, hirtellous on the back; florets white; achenes 
hirtellous on the angles.— Ind. Sem. Hort. Petrop. 1860, p. 35 (1860). 
Cotomara: described from plants raised at the Imperial Gardens in Petto- 
grad and thought to have been from Colombia. 
Known only from the original description, of which the above 
character is a condensed compilation. 
74. E. articulatum Sch. Bip. Somewhat lignescent, erect F 
ascending, perennial, 3-4 dm. high, villous, the hairs jointed; leaves 
opposite, petiolate, membranaceous, broadly ovate, acuminate at 
apex, rounded or slightly cordate at base, coarsely crenate-dentat® 
sprinkled above with subsessile glands, below sparingly villous esP® 
cially on the (mostly 5) nerves, at most 5.5 em. long, 4 cm. wide; 
heads 30—40-flowered, corymbose or cymose at the ends of the stem 
and branches; scales of the involucre nearly equal, about 20, per 
linear, pale-green and tending to be scarious, acute, 3-ribbed, dorsa ae 
pubescent, the outermost reduced and more or less distant 08 a 
pedicel; corollas purplish; the slender proper tube slightly exceed : 
_ by the somewhat enlarged throat; achenes roughened on the an ens 
pappus bristles caducous.— Sch. Bip. ex Hieron. in Engl. Bot. lien 
xl. 385 (1908). 
Touma: near Ibagué, Humboldt & Bonpland, acc. to Hieron., |. ¢- 
[Venezuela to Peru.] oh 
: the 
A species unknown to the writer; the character condensed from 
original diagnosis. 
