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ASPEN
, an important See also:section of the See also:poplar genus (Populus) of which the See also:common aspen of See also:Europe, P. tremula, may be taken as the type,—a tall fast-growing See also:tree with rather slender See also:trunk, and See also:grey bark becoming rugged when old
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The roundish leaves, toothed on the margin, are slightly downy when See also:young, but after-wards smooth, dark See also:green on the upper and greyish green on the See also:lower See also:surface; the See also:long slender petioles, much flattened. towards the See also:outer end, allow of See also:free lateral See also:motion by the lightest See also:breeze, giving the foliage its well-known tremulous See also:character
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By their See also:friction on each other the leaves give rise to a rustling See also:sound
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It is supposed that the mulberry trees (Becaim) mentioned in i See also:Chronicles xiv
.
14, 15 were really aspen trees
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The See also:flowers, which appear in See also: P. trepida, or tremuloides, is closely allied to the See also:European aspen, being chiefly distinguished by its more pointed leaves; it is a native of most parts of See also:Canada, and the See also:United States, extending northwards as far as . See also:Great Slave See also:Lake . The wood is soft and neither strong nor durable;,it See also:burns better in the green statethan that of most trees, and is often used by the hunters of the See also:North-See also:West as fuel; split into thin layers, it was formerly employed in the United States for See also:bonnet and See also:hat making . It is largely manufactured into-See also:mood-pulp for See also:paper-making . The bark is of some value as a tonic and febrifuge . P.grandidentata, the large-leaved See also:American aspen, has ovate or roundish leaves deeply and irregularly serrated on the margin . The wood is light, soft and See also:close-grained, but not strong . In northern New See also:England and Canada it is largely manufactured into wood-pulp; it is occasionally used in turnery and for wooden-See also:ware . |
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