360 KOBINSON. 



serrulate except at the entire cuneate base, 10-12 cm. long, 4-5 cm. 

 wide, pinnate-veined, finely and prominulently reticulate-veined on 

 both surfaces (ultimate areolae about 0.5 mm. in diameter), glabrous 

 and somewhat lucid; midrib sulcate on the upper surface toward the 

 base; petiole 2 cm. long; corymbs compound, as much as 2 dm. in 

 diameter, moderately convex, obscurely puberulent; heads very 

 numerous, shortly pedicelled, usually by 2's or 3's, 5-flowered, 7 mm. 

 long, 4 mm. in diameter; involucre campanulate, 4-5 mm. long; 

 scales about 7, lance-oblong, obtuse, unequal, dorsally granular and 

 viscid, the inner ciliolate at the broadish summit; corollas violet, 

 granulate on the short proper tube, the throat scarcely enlarged, 

 nearly or quite smooth; achenes 2 mm. long, roughened on the angles; 

 pappus-bristles about 21, unequal, hispidulous. — Syst. iii. 415 

 (1826); Hieron. in Engl. Bot. Jahrb. xxii. 776 (1897), not Bak. 

 Mikania arborca HBK. Nov. Gen. et Spec. iv. 139 (1820), not E. 

 arboreum HBK. 1. c. 131. — Loja: near Loja, alt. 2013 m., Humboldt & 

 Bonpland, no. 3367 (Par., phot. Gr.). [Peru.] 



33. E. FASTiGiATUM HBK. (see p. 307). — Loja: in mountains, 

 ace. to Jameson, Syn. PI. Aeq. ii. 86 (1865). [Colombia.] 



34. E. ELEGANS HBK. Shrub with round virgate pilose-tomentose 

 leafy branches; leaves opposite, subsessile or very shortly petioled, 

 elliptic-ovate, obtuse, crenate-serrulate except at the rounded entire 

 base, feather-veined and reticulated, coriaceous, slightly scabrous on 

 both surfaces, somewhat pubescent on the midnerve and veins be- 

 neath, about 3 cm. long, half as wide; corymbs terminal, small, 3-5 

 cm. in diameter, congested, sul)sessile, scarcely exceeding the sur- 

 rounding leaves; heads subsessile; involucre campanulate, the scales 

 10-15, lanceolate, obtuse; corollas inferred to be white; pappus- 

 bristles whitish, equalling the corolla, hispidulous. — Xov. Gen. et 

 Spec. iv. 133 (1820); Jameson, Syn. PI. Aeq. ii. 89 (1865).— AzuAV?: 

 in ravine of Tarqui ? Humboldt & Bonpland (Par., phot. Gr.). Even 

 in the original description of this species its type-locality is stated 

 with doubt. The plant does not appear to have been rediscovered. 



35. E. viscosuM HBK. Glabrous viscid shrub; branches hex- 

 agonal, leafy; internodes 3-5 cm. long leaves opposite, petiolate, 

 ovate-oblong, narrowed to a scarcely acute apex, crenate-serrate 

 except at the obtusish entire base, conduplicate, coriaceous, S cm. 

 long, 3-3.5 cm. wide, smooth and sticky, reticulate-veiny, dark-green 

 and shining above, pale and dull beneath; petiole 1 cm. long; corymb 

 composite, open, irregularly and somewhat fastigiately branched; 

 bracts linear, entire; iieads pedicelled, about 40-flowere(l, 8 mm. high; 



