240 PROCEEDINGS OF THE AMERICAN ACADEMY. 
ranea near Cuernavaca, altitude 1525 m., 17 June, 1904, CO. G. Pringle, 
no, 8819 (hb. Gr.). 
The species here proposed has its nearest affinity with .4. heterantha, 
Muell. Arg., but differs in leaf-outline, the more divergent lateral nerves 
of the leaves, the ovate petals, and in the densely pubescent ovary. 
EvpHorsBia Campestris, Cham. & Schlecht., var. subpuberula, 
n. var. Stems 3 to 6 dm. high, glabrous below, puberulent above: leaves 
lanceolate to lance-ovate, 1 to 3.5 em. long, 3 to 14 mm. broad; leaves 
and bracts of the inflorescence ovate and mucronate-acute. — MEx1co. 
State of Hidalgo: wet banks of river below Trinidad Iron Works, alti- 
tude 1740 m., 25 April, 1904, O. G. Pringle, no. 8906 (hb. Gr.). Dis- 
tinguished from the species by the puberulence of the upper part of the 
stem and floral branches, by the less crowded and broader lanceolate to 
lance-ovate leaves, and by the more ovate or less rotund leaves and bracts 
of the inflorescence. 
Clethra Alcoceri, n. sp. A small tree; ultimate branchlets terete 
or subangled, striate, densely covered with a close fine reddish brown 
stellate tomentum: leaves petiolate, elliptic-lanceolate to oblong-obovate, 
7 to 14 cm. long, 3 to 6 cm. broad, obtuse to short-acuminate and sub- 
mucronate-acute, shallowly sinuate-dentate to merely denticulate, slightly 
unsymmetrical at the base, dark green above, paler beneath, minutely 
stellate-puberulent on both surfaces; midrib and lateral nerves prominent 
beneath ; petioles 1 to 1.5 cm. long, rather densely stellate-pubescent : 
inflorescence terminal, consisting of paniculately disposed racemes, the 
latter 1 to 2 dm. in length ; rhachis striate, densely tawny stellate- 
tomentose ; pedicels 2 to 3 mm. long, about equalling the caducous 
bracts: flowers 5 to 6 mm. high, equally broad: calyx about two-thirds 
as long as the corolla; divisions of the calyx ovate, obtuse, closely stel- 
late-pubescent on both surfaces: petals white, obovate or obovate-oblong 
with thin subfimbriate margins: stamens included; filaments glabrous: 
“ovary densely pubescent with silvery white stellate or branched hairs: 
mature fruit not seen.— Mexico. State of Hidalgo: barranca near 
Trinidad Iron Works, altitude 1600 m., 22 August, 1904, C. G. Pringle, 
no. 8923 (hb. Gr.). The species is dedicated to Sefior Dr. Gabriel 
Aleocer of the National Medical Institute, City of Mexico. 
_ Halenia chlorantha, n. sp. Annual, glabrous throughout: stems 
erect, 4 dm. or more high, simple below, branched above, narrowly 
winged : leaves ovate to lanceolate, including the petiole 3 to 6 cm. Jong; 
0.5 to 1.8 em. broad, acute, entire, somewhat gradually narrowed below 
into the petiole, 3- (5-) nerved ; petioles of the lower leaves about 
ea 
