272 ROBINSON. 



i. Leaves subchartaceous, subglabrous, ovate 

 to ovate-lanceolate, attenuate, rather ob- 

 scurel}'^ serrate (none in the least hastate); 

 pedicels usually 1-1.5 cm. long, mostly 



curved or hooked 18. E. subscandens. 



t. Leaves membranaceous, rhombic- to del- 

 toid-ovate, rather coarselj^ and often some- 

 what hastately crenate-toothed, densely 

 and softly villous or even subtomentose 

 beneath; pedicels usually 2-8 mm. long, 



mostly straight 19. E. odoratum. 



h. Leaves deltoid-ovate, the wide base of the blade sub- 

 truncate or shallowly and broadly cordate (some- 

 times with a shght acumination at the insertion . . 20. E. corymbosum . 



1, E. bullatum Klatt. Grayish-green shrub 4 dm. or more in 

 height, with erect or ascending leafy branches; leaves opposite, small 

 (1-2 cm. long), ovate, subsessile by a cordate base, nearly or quite 

 entire, thick, furrowed, warty, finely puberulent to glabrate and lucid 

 above, gray-velvety beneath, commonly deflexed at maturity, their 

 margins revolute; heads cylindric, erect, in small crowded compound 

 cymes; scales closely appressed, obtuse, mucronulate, often brown- 

 tipped; corollas white (Rusby & Pennell). — Klatt in Engl. Bot. 

 Jahrb. viii". 34 (1887). E. scahrum HBK. Nov. Gen. et Spec. iv. 119 

 (1820), not. L. f. E. Kiinthianum Sch. Bip. ex Hieron. in Engl. Bot. 

 Jahrb. xxviii. 568 (1901). — A highly characteristic species of restricted 

 range. 



Ctjndinamarca: in small open woods near Facatativd, alt. 2600 m., Leh- 

 mann, no. 2544 (fragm. and sk. Gr.); on high plains of Bogota near Santa F6, 

 Hximboldt & Bonpland, ace. to Hieronymus, 1. c. (as E. Kunihianum) ; Mont- 

 serrate near Bogotd, Ilolton, no. 315 (K., N. Y.); dry shrubby slope above 

 Bogota, Pennell, no. 2093 (Gr.); dry canon above Bogotd, alt. 2600-2700 m., 

 Pennell, no. 2137 (Gr.); dry open hillsides southwest of Sibate, alt. 2700-2800 

 m., Pennell, no. 2393 (Gr.). 



2. E. pellium Klatt. Glabrous and somewhat sticky shrub 9-15 

 dm. high with round smooth grayish-brown ascending very leafy 

 branches; leaves (often nigrescent in drying) opposite, lanceolate, ser- 

 rate, attenuate, often conduplicate and falcate, cuneate at base to a 

 short petiole, paler beneath, usually 3-nerved from somewhat abo\e the 

 base after 1-3 pairs of more obscure lateral veins have left the midrib; 

 involucre ovoid in bud, at maturity campanulate, 5-7 mm. tliick; 

 florets 45-75.— Ann. k. k. Naturh. Hofmus. Wien, ix. 357 (1894). 



Magdalena. Santa Marta, Purdie (K., Gr.); Onaca, alt. 762 m., //. //. 

 Smith, no. 616 (Gr., N. Y., Mo.). 

 [Western Veno7Aiela.] 



