62 ROBINSON. 



ceolate, sessile, attenuate to each end, rather remotely denticulate, 

 green and glabrous above, paler and on the midnerve sordid-pubescent 

 beneath, 5-10 cm. long, 1-1.8 cm. wide, thin, membranaceous, feather- 

 veined, veins about 6 or 7 on each side, curved forward and anastomos- 

 ing with each other; panicle terminal, its slender branches and fili- 

 form pedicels clothed with short dirty-brownish curly hairs; heads 

 about 18-flowered, about 6 mm. high; involucre turbinate, several- 

 seried, its scales stramineous, mostly linear-oblong, obtuse or rounded 

 at the tip and often slightly tufted on the back near the summit, 

 mostly 2-costulate; corollas 3 mm. long, glabrous; proper tube slen- 

 der 1.8 mm. long, the throat 1.2 mm. high, turbinate; style-branches 

 with flexuous very delicate attenuate and papillose appendages; 

 achenes blackish, 1.5 mm. long, sparingly hispidulous on the angles; 

 pappus-bristles about 25, very delicate, nearly smooth, white.— ^ 

 LoRETO: along the Huallaga River, Spruce, no. 4167 (Gr.). 



38. E. piLLUANENSE Hicrou. Suffruticose, 5 dm. high; stems 

 puberulent, striate; leaves opposite, elliptic- to rhombic-ovate, acute 

 or obtuse, entire, cuneately narrowed below but cordate and half- 

 clasping at the sessile base, chartaceous, puberulent above, densely 

 tomentulose beneath, feather-veined (lateral veins 6-8 on each side, 

 leaving the midrib at about 45° and then curved-ascending, connected 

 by reticulation), the largest 12 cm. long, 4-4.5 cm. wide; panicle 

 terminal, compound, leafy-bracted below; heads corymbose or sub- 

 racemose toward the tips of the branches, some also borne directly 

 from the axils of the bracts, pedicellate or more rarely sessile, 14-17- 

 flowered; involucre about 4 mm. long, the scales about 20, obtuse, 

 the inner linear-oblong, stramineous, 1-3-nerved and striate, the 

 outer gradually shorter and broader, 4-nerved, the outermost ovate, 

 about 3 mm. long; achenes about 1.5 mm. long, dark, smooth. — 

 Verb. Bot. Verein Brand, xlviii. 201 (1907). — Loreto: Salinas de 

 Pilluana, Ule, no. 6780. 



This species has not been seen by the writer. The description is 

 condensed from the original, in which the plant is said to be nearly 

 related to E. iresinoides HBK. but to differ in its firmer more pin- 

 nately veined leaves, larger heads, and more numerous florets. 



39. E. Commersonii (Cass.) Hieron. Nearly herbaceous, decum- 

 bent, rather densely grayish-pubescent, 3-5 dm. high; stem round, 

 stoutish, curved-ascending, leafy below, nearly naked above the middle 

 to the terminal, rather dense, often nodding inflorescence ; leaves chiefly 

 opposite, oblong, obtuse, 1 dm. long, 3 cm. wade, irregularly and 

 coarsely serrate-crenate or lobed except on the long gradually cuneate 



