276 ROBINSON. 



3-7 cm. long, 5-22 mm. wide, the upper subentire, the lower coarsely 

 toothed; heads in trichotomous open flattish-topped compound 

 cymes; involucre shortly cylindric 5-8 mm. long, half as thick; outer 

 and intermediate scales provided with subherbaceous and often 

 slightly squarrose subtruncate erose tip, the innermost commonly 

 somewhat petaloid and lilac at the apex; florets lilac-purple; achenes 

 black, 2.4 mm. long, with light-colored smooth or somewhat rough- 

 ened angles. — Syst. ed. 10, 1205 (1759) [as E. iuaefolium]; Amoen. 

 Acad. V. 405 (28 Nov. 1759) [as E. ivifolium]; Sp. PI. ed. 2, ii. 1174 

 (1763). 



Magdalena: locally common, generally in ravines, edge of forest or on 

 open campo, alt. 305-915 m., Onaca, H. H. Smith, nos. 533 (Gr., U. S. ) and 617 

 (Gr., U.S.). 



[Miss, to Tex., Cub., Jam., Lesser Antil., Mex. to Boliv. and Braz.] 



12. E. leivense Hieron. Erect shrub, gray-tomentulose, with 

 ascending branches ; leaves opposite, lanceolate to ovate, entire, acute 

 or obtuse at apex, cuneate at base, softly though shortly grayish- 

 velvety especially beneath, 2-5 cm. long, 1-2.4 cm. wide; heads mostly 

 subsessile disposed by 3's to 5's in a broad flattish leafy-bracted com- 

 pound terminal cyme; involucres about 6 mm. long, 2 mm. in thick- 

 ness, 8-11 -flowered; scales stramineous, slightly 3-nerved, ciliolate, 

 somewhat darkened and dorsally hairy toward the blunlish tip. — 

 Hieron. in Eng. Bot. Jahrb. xxi. 329 (1895). 



BoYAcX: near Leiva, Stubel, no. 152a (Berl., fragra. and phot. Gr.). 

 Cundinamarca: near Bogotd, alt. 2600 m., Bros. Apollinalre & Arthur, no. 

 45 (U. S., fragm. Gr.). 



13. E. tacotanum Klatt. Erect, often flowering at 6 dm. and 

 essentially herbaceous (Langlasse, Pennell), but under favorable 

 conditions becoming a shrub 2 m. or more in height (Lehmann), dark 

 grayish-puberulent above, paler, velvety, and obviously reticulate- 

 veiny beneath, 3-nerved from above the base; heads pedicelled in 

 flattish-topped compound corymbs; pedicels 3-10 mm. long; in- 

 volucre 7 mm. high, 2-3 mm. in diameter; scales oblong-lanceolate, 

 mostly l-ner\-ed, all but the outermost smooth or nearly so, the 

 intermediate lanceolate-linear, acutish, the innermost acute and 

 purplish at the tip; corollas pale lilac. — Klatt in Engl. Bot. Jahrb. 

 viii. 35 (1887); Hieron. in Engl. Bot. Jahrb. xxviii. 507 (1901); 

 Heering, Mem. Soc. neuchat. Sci. Nat. v. 420 (1913). 



