ACERACE/E—MAPLE FAMILY 
STRIPED MAPLE. MOOSEWOOD 
Acer pennsyludnicum. 
A small tree, thirty or forty feet high, with short trunk, slender 
upright branches ; often much smaller and scrubby. Loves the 
shade and forms much of the undergrowth of the forests of New 
England and lower Canada. Roots fibrous. 
Bark.—Reddish brown, marked longitudinally with broad pale 
stripes, and roughened with numcrous, horizontal, oblong excres- 
cences. The branchlets are pale greenish yellow; later, reddish 
brown and finally striped like the trunk. 
Winter Buds.—Red. The terminal bud when it contains an in- 
florescence is half an inch long. Axillary buds much shorter. 
Scales enlarge when spring growth begins; the inner scales be- 
come an inchand a half to two inches long, changing to yellow or 
rose before they fall. 
Wood.— Pale brown, sapwood still paler; light, soft, close- 
grained. Sp. gr., 0.5299; weight of cu. ft., 33.02 lbs. 
Leaves.—Opposite, simple, five to six inches long, palmately 
three-nerved, rounded or cordate at the base, doubly serrate, three- 
lobed at the apex, the short lobes contracted into tapering serrate 
points. They come out of the bua thin, pale rose color, and 
downy ; when full grown are smooth, except some russet hairs at the 
axils of the nerves, bright green above, paler bencath. In autumn 
they turn a clear bright yellow. Petiole long, grooved, with en- 
larged base. 
Flowers.—May, when leaves are nearly grown, polygamo-monee- 
cious, yellow. Lorne in slender, drooping, long-stemmed racemes ; 
staminate and pistillate flowers usually in different racemes. Ped- 
icels thread-like. 
Calyx.—Five-parted, lobes linear or obovate. Disk annular. 
Corolla.—Petals five, inserted on the base of the disk, obovate, ag 
long as the sepals, bright yellow, imbricate in bud. 
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