476 AMENTACER, [Myrica. 
Hav.—Common in the 
1—s 
drier hill forests of Martaban, at 4,000 to 6,000 ft. 
elevation.—Fr, Apr.— .=Metam. 
S. 
BETULA, Tournef. 
Flowers monoecious. Scales of the male catkins peltate, ae 
i fl 
nished at both sides with a bractlet, covering 3 flowers. Periant 
1-phyllous, scale-like and entire. Stamens 2, 2-cleft at the apex, 
catkins arising singly or by pairs from the lateral and terminal 
buds, the female ones solitary or rarely in racemes from a lateral 
3- to 5-leaved bud. Cones small, oblong to cylindrically linear. 
1. B. acuminata, Wall. ; Brand. For. Fl. 458, t. 56 (B. eylindro- 
stachya, Wall.).—A tree leafless during C.S., the young parts pub 
cent ; leaves ovate to elliptically ovate, on a slender pubescent petiole 
2-3 lin. long, more or less acuminate, rounded at the base, 13-3 im. 
long, membranous, densely pubescent while young, adult more oF 
less glabrescent, especially above ; female and male catkins elongate, 
1-2 in. long, the former usually on a short pubescent peduncle ; 
flower hairy ; wings much broader than the nut, and broader than 
the membranous bract. 
Hap.—Rather rare in the drier hill forests of the Martaban hills east of 
Tounghoo, at 5,000 to 6,000 ft. elevation.—l1.—SS.—Metam. 
ALNUS, Tournef. 
2-flowered. Cones short, the scales wedge-shaped, in front 
4-5-lobed, thickened upwards, more or less woody, persistent. 
compressed, winged or not, 1-celled by abortion, 1-seeded.— 
or shrubs, with serrate or toothed leaves. Catkins usually n short 
racemes or solitary. : 
_ 1. A. Nepalensis, Don. ; Brand. For. Fl., 460.—A tree shed- 
ding leaves during C.S., all parts glabrous ; leaves oblong to oblong- 
lanceolate and elliptical, on a rather slender petiole varying ™ le 
= ” 
ae 
