76 ROBINSON. 



Arequipa, alt. 3200-3600 m., 8 Sept. 1902, Weherhaucr, no. 1426 (Berl., 

 fragm. Gr.). Tacna (debated region) : Cordillera of Tacora, Weddell. 



62. E. UBER Robinson (p. 37). Robust shrub 4 mm. high, with 

 luxuriant foliage; branches grayish-brown, granular-puberulent, 

 leafy; leaves opposite, deltoid-ovate, acuminate, slightly undulate- 

 denticulate or quite entire, abruptly narrowed and subcuneate at base, 

 16-19 cm. long, 6-9 cm. wide, above glabrous green, the reticulated 

 veinlets depressed, beneath sordid-puberulent or -tomentellous ; 

 chief lateral nerves mostly 2 pairs leaving the midnerve about 1 cm. 

 above the base; petiole 3-5 cm. long, granular-puberulent; panicle 

 corymbiform, as much as 2 dm. in diameter, flattish or moderately 

 convex, rather dense; heads excessively numerous, shortly pedicelled, 

 about 13-flowered, about 9 mm. long; involucre narrowly campanu- 

 late; scales about 16, linear-oblong, acutish, subequal, erose-ciliolate, 

 dorsally granular; corollas 5 mm. long, white, gradually and moder- 

 ately enlarged upward; achenes grayish-brown, 2.5 mm. long, taper- 

 ing downward, hispidulous on the angles; pappus-bristles about 31, 

 dirty-white, barbellate, nearly equalling the corolla. — Ancachs: 

 woods, below Pampa Romas, between Samanco and Caraz, alt. 2100 

 m., Weberbauer, no. 3184 (Berl., phot, and fragm. Gr.). 



63. E. cuzcoENSE Hieron. Shrubby, 1 m. high; stems terete, 

 grayish-brown, smooth; branches opposite, ascending, finely puberu- 

 lent, hairs crisped, incurved or appressed, not glandular; leaves 

 opposite, lanceolate, attenuate, obtusish at base, serrate (teeth 5-12 

 on each side), firmly membranaceous, 3^.5 cm. long, 1.3-2 cm. 

 wide, glabrous, above dull-green, beneath somewhat paler, finely 

 reticulated and punctate, subtrinervate from a point 1-2 mm. above 

 the base, the lateral nerves reaching about to the middle; veinlets 

 not prominulent; petiole 2-5 mm. long; corymbs terminal, strongly 

 convex to semiglobose, rather dense, 3-6 cm. in diameter, disposed 

 in a leafy-bracted compound corymb; pedicels slender, 5-14 mm. long; 

 obscurely puberulent, usually bearing a filiform bractlet; heads 

 about 12-14-flowered, about 9 mm. long; involucre subcylindric- 

 campanulate; scales subequal (except 2—4 of the outermost smaller 

 ones), lance- or oblong-linear, acutish to acuminate, dorsally puberu- 

 lent and sparsely glandular, ciliolate, mostly 2-costulate and 3-nerved; 

 corollas purple-tinged, 5 mm. long, beset with sessile glandular gran- 

 ules; proper tube about 1.8 mm. long, slender; throat perceptibly 

 enlarged, subcylindric, 3.2 mm. long; achenes brownish-black, 

 at full maturity about 3 mm. long, tapering somewhat toward the 

 base, closely beset with sessile and short-stiped capitate glands; 



