File:The white pine (Pinus strobus Linnaeus) (1899) (14577812459).jpg

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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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Text Appearing Before Image:
Leaves and Bud of the White Pine. Bulletin No. 22, Div. of Forestry, U. S. Dept. of Agriculture. Plate VI.
Text Appearing After Image:
Cones, Seeds, etc., of the White Pine. SEEDS AND SEED SUPPLY. 23 Mich.) between the middle and the end of the month. The staminate flowers are borne laterallyon the shoots of the season (PI. VI, 1). They are extremely simple in structure, consisting ofnumerous pollen sacs borne in pairs on the outer face of the scale-like staminal leaves. Thepollen is produced in great abundance and is carried by the wind to great distances. Fertilization,however, notwithstanding the profuse production of pollen, often fails to take place. In fact,failure appears to be rather the rule than the exception, if we consider the frequency of offyears, in which little, if any, good seed is produced. But doubtless other causes often combineto prevent the production of a full crop of seeds. The pistillate flowers occupy the apex of the young shoot (PI. VI, 2), finally forming a bunch ofcones pendent from the ends of the branches. At the time of pollination they are about one-fourth of an inch in length and hav

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28 July 2014


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24 September 2015

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Date/TimeThumbnailDimensionsUserComment
current20:02, 28 September 2019Thumbnail for version as of 20:02, 28 September 20192,841 × 3,652 (925 KB) (talk | contribs)Uncrop
11:01, 24 September 2015Thumbnail for version as of 11:01, 24 September 20152,238 × 2,958 (848 KB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': whitepinepinusst22spal ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fwhitepinepinusst22spal%2F fin...

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