. Department bulletin. Agriculture; Agriculture. Bui. 1131, U. S. Oept. of Agriculture. Plate I A. Frost Injury to Thuja plicata, Pseudotsuga taxifolia, and Larix occidentalis. A .—Transverse section through frost ring in Thuja plicata, showing a pronounced distortion of the medullary rays. (xl35.) B — Transverse section through frost ring in Pseudotsugataxifolia, showing the crumpling of the wood cells that were but slightly u'gnined at the time of freezing. (X135.) C—Transverse section through frost ring in Larix Occident alia sapling (tree .No. 1), at .146 centimeters above the ground, show

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. Department bulletin. Agriculture; Agriculture. Bui. 1131, U. S. Oept. of Agriculture. Plate I A. Frost Injury to Thuja plicata, Pseudotsuga taxifolia, and Larix occidentalis. A .—Transverse section through frost ring in Thuja plicata, showing a pronounced distortion of the medullary rays. (xl35.) B — Transverse section through frost ring in Pseudotsugataxifolia, showing the crumpling of the wood cells that were but slightly u'gnined at the time of freezing. (X135.) C—Transverse section through frost ring in Larix Occident alia sapling (tree .No. 1), at .146 centimeters above the ground, showing an extreme case of lateral displacement of the [medullary rays. (X135.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. Washington, D. C. The Dept. : Supt. of Docs. , G. P. O.

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Keywords: ., bookauth, bookcentury1900, bookdecade1920, booksubjectagriculture