Title: Conservation
Identifier: conservation141908amer (find matches)
Year: 1908-1909 (1900s)
Authors: American Forestry Association
Subjects: Forests and forestry
Publisher: Washington, D. C. : American Forestry Association
Contributing Library: New York Botanical Garden, LuEsther T. Mertz Library
Digitizing Sponsor: The LuEsther T Mertz Library, the New York Botanical Garden

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i9o8 ILLUSTRATED HANDBOOK OF AMERICAN TREES 41 The Black Ash is distinctly a nort'-iern species, and in forests, under most favorable conditions, attains the height of 80-90 ft., with straight columnar trunk 3-4 ft. in diameter. When isolated it develops a rounded ovoid top, which may be recognized when leafless by its stout straight branchlets (those of the stami- nate tree being larger than of the pistillate) and the gray scaly bark of trunk. It inhabits the low banks of streams and cold swamps, in company' with the Arbor-Vitaj, Balsam, Tamarack, Silver ^laple, Black Spruca, etc., sometimes forming a considerable portion of forest tracts. Its wood is rather heavy, a cubic foot when dry weighing 38.,37 lbs., moderately hard and strong, and is valued in the manufacture of furr.it .re and lumber for interior finishing, for barrel hoops, etc. It is e.xtensively used in the manufacture of splints for baskets, owing to the facility with which it splits between the layers of annual growth. The " Ash Burl " veneering is a product of this tree, being sliced from the " knots " or burls which form on its trunk and larger branches. Their cause or origin is not well understood.2 Leaves 10-lG in. lone, with 7-11 oblong to oblong-lanceolate sessile leaflets, the terminal one petiolulate, roundefl or ciineate and unequal at base, long-acuminate at apex, sharply serrate, to- mentose at first but at maturit.v glabrous dark griiAn above, somewhat pa'er and glabrous with rufous hairs along the midrib beneath. Flowers pol.vgamo-dioecious. calyx none : petals none ; stamens 2 sometimes rudimentary in the pistillate flowers. Fruit samara, linear-oblong, 1-11/2 in. long, 14 in. broad, winged all around and with flattened faintly-veined body and thin wing emarginate at apex.^ 1. Syu. Fraxinus samhucifolia Lam. 2. A. W., Ill, 62. 3. For genus see pp. 454-455.
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One page from the Handbook of American Trees—The tree represented here is Black Ash

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