Identifier: whitepinepinusst22spal (find matches)
Title: The white pine (Pinus strobus Linnaeus)
Year: 1899 (1890s)
Authors: Spalding, Volney M. (Volney Morgan), 1849-1918 Chittenden, F. H. (Frank Hurlbut), 1858-1929. Insect enemies of the white pine Roth, Filibert, 1858-1925. Wood of the white pine Fernow, B. E. (Bernhard Eduard), 1851-1923
Subjects: White pine
Publisher: Washington, D.C. : Dept. of Agriculture, Forestry Division
Contributing Library: U.S. Department of Agriculture, National Agricultural Library
Digitizing Sponsor: U.S. Department of Agriculture, National Agricultural Library

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on the right. 2. Radial longitudinal section of wood x 200, showing a few of the thick-walled tracheids of the summer wood followed by the large thin-walled ones of the succeeding spring, both crossed by a medullary ray. Thebordered pits of the outer cells of the ray, shown both in section and surface view, are in strong contrast withthe simple pits of the inner cells.Tangential section of wood X 200.4. Cross section of part, of twig collected May 20, 1886, x 175, showing cambium and development of wood and bark.The woody ring is about one-third its final thickness. GROWTH AND DEVELOPMENT. The seeds of the White Pine retain their vitality for a long period. Trustworthy observersstate that a fair percentage will grow after being kept five years or more. The conditions ofgermination and successful growth are, in general, the same as for other pines, namely, a suitable Dr. J. Sehroeder, Das Holz der Coniferen, 1872. Bulletin No. 22, Div. of Forestry, U, S Dept. of Agriculture. PLATE VII.
Text Appearing After Image:
Sections of Young Shoot of White Pine. Bulletin No. 22, Div. of Forestry, U. S. Dept. of Agriculture.

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