Bulletin of the of Agriculture . of the tree, which mightexplain this slight difference. The average shrinkage in cross section in the above tests, in passingfrom the green to the thoroughly dry condition, was 9 per cent forthe sapwood and 6 per cent for the heartwood. DURABILITY. Incense cedar is known to be one of the most durable timbers onthe Pacific slope. The life of a split heart-cedar fence post is reputedto be from 20 to 30 years, and of rails from 30 to 40, and numerousinstances have been cited where they have lasted longer. Sap-cedarposts, on the other hand, are said t
Bulletin of the of Agriculture . of the tree, which mightexplain this slight difference. The average shrinkage in cross section in the above tests, in passingfrom the green to the thoroughly dry condition, was 9 per cent forthe sapwood and 6 per cent for the heartwood. DURABILITY. Incense cedar is known to be one of the most durable timbers onthe Pacific slope. The life of a split heart-cedar fence post is reputedto be from 20 to 30 years, and of rails from 30 to 40, and numerousinstances have been cited where they have lasted longer. Sap-cedarposts, on the other hand, are said to last but 5 or 6 years. THE TREE. GENERAL DESCRIPTION. Incense cedar is one of the most characteristic trees of the Californiaforests, its shreddy, deeply furrowed, yellowish-brown or cinnamoncolored bark, rapidly tapering bole, and dark-green foliage distin-guishing it at once. It resembles somewhat eastern arbor vitas (thewhite cedar of the north woods) in its flat sprays of scalelike leaves. Bui. 604, U. S. Dept. of Agriculture. Plate Typical Incense Cedars, Sierra National Forest. Bui. 604, U. S. Dept of Agriculture. Plate II.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
