SoME MEXICAN EUPATORIACE/E 
-  EurATORIUM K(ELLLEFOLIUM. Stout, erect, 2 feet high or 
- more, obscurely and sparsely puberulent throughout: stem 
terete, finely striate, its leaves all alternate, even the lowest, 
- but the axil of each bearing a sterile branch the leaves of 
- which are mainly opposite: leaves about 1 inch long (those 
- of the branchlets smaller), lanceolate, entire, scarcely acute: 
- heads in a rather compact terminal corymb: bracts of the 
4 involucre in about 2 series, the outer triangular-lanceolate, 
- the inner oblong-lanceolate: both corolla and pappus flesh- 
- color: achenes black, hispidulous along the sharp ribs. 
Pine plains along the base of the Sierra Madre, Chihua- 
hua, 12 Sept., 1887, C. G. Pringle, 1887 (n. 1262). 
_ Evparorrum EUONYMIFOLIUM. Rather slender, opposite- 
- leaved, branched from the base, 12 to 18 inches high, stem 
: puberulent, foliage almost glabrous: leaves sessile, ovate or 
_ oblong-ovate, 1 inch long, obscurely crenate or subentire: 
rather loose cymes of few heads at the ends of all the 
- branches: bracts of the involucre thin, subequal, lanceolate, 
- distinctly nerved only at base and to the middle: flowers 
. and pappus white: achenes black, sparsely hispidulous, not 
_ prominently ribbed. 
- Rocky slopes of the Sierra Madre, Chihuahua, 24 Sept., 
- 1887, C. G. Pringle (n. 1264). 
STEVIA DELTOIDEA. Stems stout, ascending, 2 feet high, 
. from a fascicle of coarse fleshy-fibrous roots: lower half of 
. the stem simple, leafy, densely woolly-hirsute, the upper 
1 comparatively leafless, devoid of obvious pubescence, and 
. rather compactly corymbose: leaves ovate-deltoid, the lowest 
. an inch long or more, abruptly and cuneately tapering to 
