TROPICAL AMERICAN EUPATORIEAE 49 
vi. pt. 2, 323 (1876); Hieron. in Engl. Bot. Jahrb. xxii. 773 (1897). 
E. xerolepis Sch.-Bip. ex Bak. |. c.—Southern Brazil, Argentina, 
and southern Bolivia. 
ar. z. typicum. Leaves puberulent beneath; heads 8—10-flowered; 
involucral scales at least the outer ones obtuse; pappus-bristles 
whitish.—Lit. and synon. as above.—Southern Brazil (Minas Ger- 
aés) and northern Argentina 
Var. 8. rhodolaenum Griseb. Leaves resinous-dotted, slightly pub- 
erulent; heads about 8-flowered; involucral scales about 15, the 
outer obtuse or rounded at the ciliate summit; pappus-bristles about 
30, rose-purplish—Symb. 170 (1879), as picdalaaen: Hieron. in 
Engl. Bot. Jahrb. xxii. 773 (1897), as rhodolaena. 
ee Pia Mendez: Camataqui, alt. 2500 m., Fiebrig, no. 3075 (Gr.). 
Var. y. tomentosum Hieron. Situs puberulent above, grayish- 
tomentose beneath; heads 10~12-flowered; involucral scales all acute 
or acutish.—Hieron. in Engl. Bot. Jahrb. xxii. 773 (1897), as tomen- 
tosa; Ktze. Rev. Gen. iii. 148 (1898). 
Santa Cruz: Proy. East Velasco, alt. 200 m., July, 1892, Kuntze (N. Y.). 
20. E. Pentlandianum DC. Shrubby, obscurely puberulent in 
the inflorescence but otherwise glabrous; the rameal internodes 
often short (about 1 cm.) and the joints prominent after the fall of 
the leaves; leaves opposite, ovate-lanceolate or -oblong, acuminate, 
subcuneate at base, sharply serrate, 3-6 cm. long, 1-2.7 cm. wide, 
3-nerved from slightly above the base (the lateral nerves soon branch- 
ed), of moderately firm texture though membranaceous, dull green 
above, paler beneath, perceptibly reticulate-veined and dark-punc- 
tate but the veins scarcely prominulent; corymbs terminal, convex, 
composite, at first subsessile among leafy bracts, at length moderately 
exserted from the surrounding foliage; heads about 15-flowered, 
about 8 mm. high and 5 mm. in diameter, slender-pedicelled; in- 
volucre about 3-seriate, scarcely half as long as the florets; scales 
(for the section) not very unequal nor strongly imbricated, thin, 
narrowly lance-oblong, obtusish, obscurely puberulent and_ erose- 
ciliate or nearly glabrous; corollas purplish, 3.5 mm. long, glabrous 
_-except for a slight hispidity on the teeth, slightly and gradually 
enlarged upward; achenes 2 mm. long, pale, at maturity nearly 
smooth; pappus-bristles about 28.—Prod. v. 157 (1836); Sch.-Bip. 
Bull. Soc. Bot. Fr. xii. 82 (1865), & Linnaea, xxxiv. 535 (1865-66). 
E. ages Wedd. Chlor. And. i. 217 (1857), from character and 
locality. 
