58 ROBINSON. 



1 mm. high and 1 cm. apart), rounded at base, coriaceous feather-veined, 

 above sparingly pubescent, lucid, deeply rugose-reticulated, beneath 

 paler, pubescent and minutely atomiferous, 4-8 cm. long, 1.5-4 cm. 

 wide; petiole about 1 cm. long; heads about 37-flowered, about 1 cm. 

 high and thick, densely c^'mose at the ends of the leaf^'-bracted branches 

 in an open panicle; involucre campanulate; scales about 18, clearly 

 graduated, acutish, distinctly striate-costulate; corollas about 6 mm. 

 long, with slightly but clearly enlarged throat. — Loreto : in mountains 

 along the river Mayo, near Tarapoto, Spruce, no. 4014 (Gr.). 



29. E. Mathewsii Robinson (p. 23). Tawny-velvety, probably 

 shrubby (the base unknown) ; stems and branches terete, leafy to well 

 within the inflorescence; internodes 3-6 cm. long; leaves opposite, 

 lanceolate, caudate-acuminate, attenuate to a relatively short-petioled 

 base, remotely and rather sharply 4-6-toothed on each side (teeth 1-2 

 mm. long, about 1.5 cm. apart), feather-veined, 1 dm. long, 2 cm. wide, 

 above sparingly tawny-pubescent on the midrib, the surface otherwise 

 subglabrous, somewhat shining, the reticulated veinlets depressed, 

 beneath rusty- or tawny-pubescent or subtomentose, paler, the veinlets 

 slightly prominent; panicle leafy; the heads crowded at the ends of 

 the branches, about 56-flowered, nearly 1 cm. high and thick; involucre 

 campanulate, about 3-ranked; scales ovate to (the inner) linear, acutish, 

 striate-costate, glandular-ciliolate, the outer dorsally a little tawny- 

 hairy; corollas 5.5 mm. long, slightly and gradually enlarged toward 

 the summit, the upper part externally a little granulated; achenes 

 dull-grayish, 2.3 mm. long; pappus-bristles about 25, wliite, scarcely 

 roughened, about a third shorter than the corolla. — Department not 

 ascertained: at Yambrasbamba (an unidentified name perhaps not 

 correctly read from a somewhat obscure label), 1835, Mathews no. 1386 

 (K., phot. Gr.). 



30. E. LoBBii Klatt. Shrub; branches round, striate-costulate 

 (after drying), fistulose, densely purplish- or later tawny-tomentose 

 (at last subglabrate), the hairs slejider, spreading, attenuate, purple- 

 jointed; internodes 3-7 cm. long; leaves rhombic-ovate, attenuate to a 

 slightly obtusish apex, abruptly cuneate at the base, quite entire or 

 undulate-dentate (with 3-6 low broad irregular rounded teeth on each 

 side), 7-9 cm. long, 2.8-3.5 cm. wide, membranaceous, dark-green and 

 finely tawny-pubescent above, paler, tawny-tomentellous beneath, 

 3-nerved from a point about 1 cm. above the base; petiole about 1.2 cm. 

 long, panicle ovoid, opposite-branched, leafy-bracted, 1.3-2 dm. in 

 height and diameter; heads clustered at the ends of the branches, 1 cm. 

 high and thick; involucre campanulate, 2-3-seriate; scales moderately 



