ROBINSON. — MEXICAN PLANTS, 835 
E. glaueum, Hemsl. 1. c. 95 (1881), not Sch, Bip. nor Klatt. 
E. CAPNORESBIUM, nD. sp. 
Ei. glaucum, Sch. Bip. in herb. 
Also under another unedited name by Schultz. 
E. ciavcum, Klatt, Leopoldina, xx. 89 (1884), not Sch. Bip. (nomen 
nudum) nor Hemsl. (nomen nudum). 
Li. Orizabae, Sch. Bip. in Klatt, 1. ¢. 90 (1884). 
E. heterolepis. Soft woody stems glabrous, lucid: leaves opposite, 
approximate, decussate, lance-oblong, entire, acute at each end, coriaceous, 
1.2 to 1.4 dm. long, 3.6 to 4.8 cm. broad, nigrescent, pinnately and rather 
obscurely veined, pulverulent under a good lens; petioles 2 to 3 cm. long; 
heads 8 mm. long, 1 to 1.2 em. in diameter, about 18-flowered, borne on 
filiform flexuous divergent pedicels in an open pyramidal panicle; scales 
of the involucre of two kinds, the inner long, linear, acute, about equal- 
ling the flowers, stramineous, at length deciduous; the outer (about 6 in 
number) ovate to lanceolate, acutish, much shorter, persistent, nigrescent: 
corollas 5 to 6 mm. long, with slender proper tube and distinctly en- 
larged throat: pappus of about equal length, somewhat sordid; achenes 
glabrous, 2 mm. long. — Collected by Dr. Sereno Watson in “eastern 
portions of Vera Paz and Chiquimula,” Guatemala, 1835, no 65. _ Type 
in herb. Gray. A very distinct species with a calyculate involucre re- 
calling a Senecio. 
E. Heydeanum. Stems somewhat flattened, especially beneath the 
nodes, striate, tomentulose above, soon glabrate and slightly scabrous: 
leaves opposite, ovate to ovate-lanceolate, caudate-acuminate at the apex, 
cuneate at the base, entire, 3-nerved from above the base, sordid-tomen- 
tulose upon the nerves above, at first sordid-tomentose at length merely 
pubescent and slightly paler beneath, thin, 1.7 dm, long, 7 to 8 cm. broad; 
petioles sordid-tomentose, 4 to 9 cm. long: panicle opposite-branched, 
rounded, terminal, 1 dm. broad; heads about 22-flowered, 9 mm. long, 
short-pedicelled: involucral scales linear, acute, about 16, loosely imbric 
cated, sordid-tomentulose on the outer surface, the outer shorter: corollas 
5 to 6 mm. long, gradually enlarged from the base to the short-toothed 
limb, without sharply differentiated throat: achenes slender, 5 mm. long, 
hispidulous on the angles; pappus sordid, of nearly equal length. — Z. 
Ehrenbergii, Coulter in J. D, Smith, Enum. Pl. Guat. iv. 74, not Hemsl. 
— Collected by Heyde & Lux on Rio de Las Cafias, Depart. Santa Rosa, 
Guatemala, altitude 800 m., March, 1892, no. 3427 of Mr. J. Donnell 
Smith’s sets. Type in het Gray. £. Ehrenbergii, Hemsl., has serrate 
leaves, much larger heads, and broader involucral scales. 
