. Timber trees and forests of North Carolina . It occurs throughout this State, growing to an average heightof from 50 to 80 feet and a diameter of 2 to 3 feet, but is most com-mon in the mountains. It is a small tree in the Piedmont plateauand reduced to a mere shrub in the coastal plain region, where itis confined to borders of streams and swamps. (Fig- 6.). The sugar maple bears seed about every third or fourth are very abundant in the woods, and bear dense shaderemarkably well; they spring up quickly in thinned woods, also,and where lumbering has been in progress. *Acer sacc
. Timber trees and forests of North Carolina . It occurs throughout this State, growing to an average heightof from 50 to 80 feet and a diameter of 2 to 3 feet, but is most com-mon in the mountains. It is a small tree in the Piedmont plateauand reduced to a mere shrub in the coastal plain region, where itis confined to borders of streams and swamps. (Fig- 6.). The sugar maple bears seed about every third or fourth are very abundant in the woods, and bear dense shaderemarkably well; they spring up quickly in thinned woods, also,and where lumbering has been in progress. *Acer saccharinum, Wagn. K/C. GEOLOGICAL SURVEY. BXilitETtN 6. PLATE SUGAR MAPLE SILVER MAPLE. 51 Glycobins speciosns, Say, a borer destroys the trees by girdlingthem or penetrating the wood, and young specimens are killed bya timber beetle, Corthylus punctatissimns, Zimm., which entersand mines the stem at or near the surface of the ground. The leaves are 3 to 5-lobed, with rounded notches, heart-shapedat the base, smooth above, and glaucous beneath The greenish-yellow flowers occur in umbel-like clusters, appearing with theleaves in the spring. The winged fruit is an inch in purple winter-buds are pointed, i inch in length. The sugarmaple has a tap-root and numerous strong lateral roots. The wood is heavy, hard, strong, close-grained, tough, and takesa good polish. The heartwood is light brown ; the thin sapwood,of 30 or 40 layers of annual growth, somewhat lighter. It ismore valuable than the wood of any other American maple, andis largely used as fuel, for interior finish, furniture, and turnery,in sliip-building, for the handles of tool
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectforestsandforestry
