. Handbook of the trees of the northern states and Canada east of the Rocky Mountains, photo-descriptive . Trees. Handbook of Trees of the !N"oetitern States and Canada. 105 The Balsam Poplar sometimes attains in the forest a height of 100 ft. and a trunk diameter of 5 or 6 ft. When isolated from other trees it develops a rather narrow irregular pyra- midal open top of few large branches, and its parti-colored leaves, as their dark green upper surfaces and light under surfaces show suc- cessively as moved by the wind, make it a handsome object. It is distinctly a northern tree, thriving a
. Handbook of the trees of the northern states and Canada east of the Rocky Mountains, photo-descriptive . Trees. Handbook of Trees of the !N"oetitern States and Canada. 105 The Balsam Poplar sometimes attains in the forest a height of 100 ft. and a trunk diameter of 5 or 6 ft. When isolated from other trees it develops a rather narrow irregular pyra- midal open top of few large branches, and its parti-colored leaves, as their dark green upper surfaces and light under surfaces show suc- cessively as moved by the wind, make it a handsome object. It is distinctly a northern tree, thriving and attaining its largest size along the banks of the streams which are tribu- tary to the Mackenzie River in a climate too severe for the existence of most other trees. In those cold regions this is the largest and most characteristic tree. It is confined mainly to alluvial bottom-lands and borders of swamps, and in our northern states, where it finds its southernmost limit of distribution, is by no means as large a tree as it is to the northward. Its wood is soft and light, a cubic foot when absolutely dry weighing lbs., and in the region of the Great Lakes and northern Michi- gan is for paper pulp, and in the manu- facture of boxes, pails, Leaves 3-6 in. long, ovate, rounded or broadly cnneate at base with creoate-serrate slightly thickened margin, acute or acuminate at apex, dark glabrous green above, much paler and con- reticulated-veined and sometimes rusty beneath : petioles long, terete ; winter buds large, taper-pointed and very resinous. Flowers (in April)-; scales of aments scarious. brown, lacine- ate lobed ; stamens 20-30; ovary ovoid, , 2-iobed and with 2 large dilated stigmas. Fruit (ripe in May) with ovoid oblong 2-valved short- podiceled capsules; capsules about Vi in. long. 1. A. W., II, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colorat
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