354 ROBINSON. 



dull and covered \^•ith a soft olivaceous pubescence, 3(-5)-ribbed, 

 2.5— i cm. long, half as wide; petiole 4-12 mm. long; inflorescence 

 a much branched compound terminal hemispherical corymb or a 

 leafy-bracted dense p^Tamidal panicle; heads 10-12-flowered, 7 mm. 

 high, shortly slender-pedicelled or some sessile in the forks of the 

 cymose branching; involucre campanulate, about 3-seriate; scales 

 pale, scarious-stramineous, thin, ciliate, dorsally pubescent or at least 

 pulverulent-puberulent, the outer broadly ovate, rounded at the tip, 

 the inner oblong, obtuse; corollas 3 mm. long, apparently white, the 

 proper tube about equalling the scarcely differentiated but slightly 

 expanded throat, glabrous; achenes 1.8 mm. long, glabrous. — Hieron. 

 in Engl. Bot. Jahrb. xxix. 10 (1900). — Pichincha: Andes of Quito, 

 Jameson, no. 68 (K.). Azuay: Surucucho, near Cuenca, Jameson 

 (K.). Prov. not indicated: sterile places in the interandean region, 

 Sodiro, no. 6/24b (Berl., phot, and fragm. Gr.); without locality, 

 Jameson (U. S.). 



21. E. Stuebelii Hieron. (see p. 288). — Chimborazo: Campa- 

 mento Utiilag, valley of.the Rio Chambo, alt. 3045 m., Stiibel, no. 272 

 (Berl., phot, and fragm. Gr.). [Colombia.] 



22. E. inulaefolium HBK., f. suaveolens (HBK.) Hieron. (see 

 p. 291). — Chimborazo: Pallatanga Valley, alt. 2000 m., Sodiro, no. 

 6/12, ace. to Hieron. 1. c. 



23. E. RUGOSUM HBK. Shrub; branches trichotomous, round, 

 softly pubescent, curved-ascending; leaves opposite, short-petioled, 

 triangular-ovate, obtuse at apex, subtruncate, rounded, obtuse, or 

 barely acute at base, crenate, scabrid and bullate-rugose above, 

 canescently hispid-tomentose beneath, 3-3.0 cm. long, 2.4-2.8 cm. 

 wide; petiole 4-5 mm. long; corymbs dense, terminal, 4.5-7.5 cm. 

 in diameter; heads 18-20-flowered, 1.4 cm. high; involucre narrowly 

 campanulate; scales about 30, the inner narrowly oblong, pale-green, 

 substramineous, ciliate, obtuse, the intermediate and outer much 

 broader, firmer in texture, dark-violet toward the broadly rounded 

 tip, narrowed below, mostly 5-ribbed, the ribs united at base; corol- 

 las pale-purple, smooth, except for some granulation on the outside 

 of the limb, 5-nerved, about 5 mm. long; achenes hispid near the 

 summit; pappus-bristles yellowish-white, hispid-roughened, unequal. 

 — Nov. Gen. et Spec. iv. 114 (1820); Jameson, Syn. PI. Aeq. ii. 87 

 (1865). — Chimborazo: on dry open hills between Alausi and Cerro 

 de Sitzan, alt. 2288 m., Hiiviholdt d- Bonpland, no. 3227 (Par., phot., 

 sk., and fragm. Gr.). 



24. E. OBSCURIFOLIUM Hieron. Erect or somewhat decumbent 



