ROBINSON. —- MEXICAN PLANTS. 331 
oes: BADIUM, Klatt, Bull. Soc. Bot. Belg. xxxi. 186 (1892), a species 
based upon a Costa Rican type, is well matched by Mr. E. W. Nelson’s 
no. 2251 collected near Chilpancingo, Guerrero, Mexico. 
E. Bertno.pu, Sch. Bip., var. stenophyllum. - Leaves lance- 
oblong, attenuate at each end, 9 cm. long, 2 to 2.4 em. broad, entire. — 
Collected by C. G. Pringle in cafions near Guadalajara, Jalisco, 8 Decem- 
ber, 1888, no. 1831. A shrub 2 m. high. The typical form of north- 
western Mexico has ovate serrulate leaves. 
L.. brickelloides, Klatt, Jahrb. Hamb. Wissensch. Anstalten, ix., pt. 2, 
1892, 124, isa Trixis! 
H. capnoresbium. Shrub with slender opposite terete glabrate 
branches ; branchlets, petioles, and pedicels sordid glandular-tomentose : 
leaves opposite, elliptic-oblong, acute at each end, impunctate, more or 
less serrate from the middle to the apex, not revolute at the base, pubes- 
cent above with short rather sparse hairs, paler and pubescent especially 
on the midnerve and pinnate veins beneath, 3.5 cm. long, 1.6 cm. broad ; 
petiole 6 mm. long: heads (1 cm. in length) in trichotomous round- 
topped fastigiate corymbs, slender-pedicelled, about 10-flowered; invo- 
lucral scales lance-oblong, acutish, purple-tinged, glandular-puberulent 
dorsally, one or two of the outer lance-linear and shorter than the rest: 
corollas 6 mm. long, purplish: achenes prismatic, 8 mm. long, puberu- - 
lent.— Collected by C. G. Pringle in forests at the foot of the Sierra de 
Ajusco in the Federal District, Mexico, 26 June, 1897, no. 7438, type 
(in herb. Gray), and earlier by Schaffner on Mt. Popocatapetl, altitude 
2,700 m.,. September, 1855, also by Bourgeau in a forest of the Desert 
Viego near City of Mexico, 1865-66, no. 844. This species has the 
inflorescence and much the habit of #. micranthum, Less., which, how- 
ever, has the leaves finely, but distinctly punctate on both surfaces and 
revolute at the base. See remarks under Z. glaucum, below. 
E. cardiophyllum. Stout, tall herb, short-pubescent or tomentulose 
and scabrous throughout; stem terete, striate, fistulose : leaves opposite, 
Oovate-orbicular, short-acuminate, cordate with an open sinus, crenate, 1 
to 1.6 dm. long, about as broad; petioles 2 or more cm. long, connate at 
the base: rounded terminal corymb loose, ample, 2 to 3.4 dm. broad, Its 
branches subtended by bract-like much reduced leaves; bractlets linear 
or filiform; branches and pedicels dark purple, glandular-pubescent : 
heads 8 mm. long, 24-flowered ; involucral scales about 15, Hnear; acute, 
‘purple, puberulent, unequal, not strongly imbricated: corollas 9 to 6 
mm. long, exceeding the nearly white pappus: achenes black, white- 
puberulent under a lens. — Collected by C. G. Pringle on slopes of 
