294 ROBINSON. 



at the tip, rounded at the base, firm-membranaceous or somewhat 

 chartaceous, pinnately veined and finely reticulated, shallowly serrate 

 (the teeth about 0.5 mm. high, 3-5 mm. wide at base), glabrous or 

 nearly so above, co^'ered beneath with a sparse tawny or gray arach- 

 noid pubescence; petioles 1-1.5 cm. long, slender; heads about 10- 

 flowered, on short pedicels, disposed in dense thjTse-like panicles; 

 involucre narrowly campanulate to subcylindric, pale, stramineous; 

 scales 3-5-ranked, narrowed to a mostly obtuse apex, 3-5-striate; 

 florets fragrant, greenish- or bluish-white (Lehmann). — Hieron. in 

 Engl. Bot. Jahrb. xxviii. 570 (1901). 



Huila: in bushy places of the mountain savannahs, alt. 1000-1500 m., La 

 Plata, Lehmann, no. 8445 (Berl., fragm. and phot. Gr.). 



When known from more copious material this species may perhaps 

 be found to pass into the preceding, but thus far it appears fairly 

 marked. 



38. E. densum Benth. Erect smooth shrub, 2 m. high, with 

 round ascending branches; leaves opposite, sessile, oblong- or ovate- 

 lanceolate, caudate-attenuate, 7-10 cm. long, 2-2.4 cm. wide, hori- 

 zontally spreading or deflexed, serrate from somewhat below the 

 middle, entire at the rounded base, pinnately \'eined; veinlets pellu- 

 cid; panicle trichotomously branched, pyramidal, 1.5 dm. in diameter; 

 heads scarcely 5 mm. high, 5-8-flowered, sessile and closely packed 

 in often subspherical glomerules; involucral scales few-ranked, 

 scarious-margined, ciliate, the inner narrowly oblong, the outer 

 progressively shorter, ovate; corolla with scarcely differentiated 

 proper tube; achenes glabrous. — PI. Hartw. 200 (1845). 



Cundinamarca: Cordillera de los Andes near Bogotd, Hartweg, no. 1105 

 (K., phot. Gr.). 



Known only from the original collection, but to be easily recog- 

 nized by its dense paniculate inflorescence and sessile round-based 

 very sharp-pointed lea\'es. 



39. E. miserum Robinson. Slender erect inconspicuous peren- 

 nial, 2-2.5 dm. high; root of slender tough fibres; stems 1-3, terete, 

 about 1 mm. in diameter, obscurely tawny-tomentellous, simple to 

 the paniculately branched leafy-bracted rather few-headed inflores- 

 cence; leaves opposite, lanceolate, attenuate to an obtusish tip, 

 crenate except at the narrowly cuneate entire base, membranaceous, 

 green and somewhat puberulent on both surfaces, 3-nerved essentially 

 from the base, 1-2 cm. long, 2-5 mm. wide; jietiole 2-3 mm. long; 



