Alnus.| AMENTACER. 477 
from a few lines up to an inch, usually obtuse at the base, shortly 
acuminate or acute, 3-4 in. long, minutely serrate, chartaceous, 
glabrous, slightly glaucescent beneath; catkins sessile, in short 
racemes terminating the young terminal and lateral shoots, the male 
ones slender and 1-24 in. long, the female ones very short and small, 
cylindrical ; cones ovoid or almost oblong, shortly stalked, }-1 in. 
long; wings of the nut membranous, narrow, often broader at the 
apex, somewhat irregular. 
Has.—Ava, Kakhyen hills—Fl. Aug.; Fr. March. 
CARPINUS, Tournef. 
Male flowers consisting of 6-12 stamens gathered in the axil 
of ovate acute bracts. Filaments slender, not exserted ; anthers 2- 
celled, the cells discret, pilose at the apex. Female flowers by 
pairs in the axil of caducous bracts, each concealed by an accres- 
cent bractlet. Ovary many-nerved, shortly and unequally lobed at 
the apex, almost 2-celled with 2 placentas, from one of which arise 
the 2 pendulous ovules, while the other is sterile ; style short ; stig- 
mas 2, linear. uts almost woody, many-nerved, 1-celled, with a 
solitary seed. Albumen none; cotyledons fleshy, ‘plano-convex, 
covering the superior radicle-—Small trees or shrubs, with doubled- 
serrate leaves. Stipules deciduous. The male catkins lateral, the 
female spikes terminal. 
1. C, viminea, Wall.; Brand. For. Fl., 492.—A tree probably 
leaf-shedding, about 30 to 40 ft. high, the young parts minutely 
puberulous or slightly and sparingly pubescent ; leaves ovate to ovate- 
lanceolate, on a slender pubescent petiole 2-3 lin. long, acute or 
obtuse at the base, 3-5 in. long, long-acuminate, sharply and doubled- 
Serrulate, chartaceous, the midrib beneath pubescent; the male 
catkins axillary, with ovate, acute, brown, glossy scales ; the female 
spikes lax, terminal, with long linear scales; fruiting bracts fal- 
cately ovate-lanceolate, 3-4-nerved, with a few coarse teeth along 
the broader side, 9 lin. long; nuts about 2 lin. long, ovoid, acute, 
7-8-nerved, resinous-dotted. 
Hap.—Rather frequent in the drier hill forests of the Martaban hills east of 
Tounghoo, at 5,000 to 6,000 ft. elevation. —l.—_SS.—=Metam. 
CASTANEA, Tournef. 
_ Male flowers clustered and surrounded by bracts forming cat- 
kins. Perianth regularly 5- to 6-lobed. Stamens 10-15, but 
ually twice as many as perianth-lobes ; filaments slender ; anthers 
minute, 2-celled. Ovary rudimentary or none. Female flowers by 
3 to 1 within a scaly involucre. Perianth 6-parted, the lobes 
lunt, in 2 rows. Ovary 3- to 6-celled, with 2 ovules in each cell; 
