. Report upon the forestry investigations of the U. S. Department of agriculture. 1877-1898. Forests and forestry. AMERICAN WOODS. 105 D. Pith rays not visible or else indistinct, even if viewed with uiagmiier. 1. Wood very soft, white, or in shades of brown, usually with a silky luster .....Cottonwood {poplar). ADDITIONAL NOTES TOR DISTINCTIONS IN THE GROUP. ^ Cherry and birch are sometimes confounded. The high pith rays on the cherry on radial sections readily distin- guish it; distinct pores on birch and spring-wood /one in cherry as well as the darker vinous-brown color of the latter will
. Report upon the forestry investigations of the U. S. Department of agriculture. 1877-1898. Forests and forestry. AMERICAN WOODS. 105 D. Pith rays not visible or else indistinct, even if viewed with uiagmiier. 1. Wood very soft, white, or in shades of brown, usually with a silky luster .....Cottonwood {poplar). ADDITIONAL NOTES TOR DISTINCTIONS IN THE GROUP. ^ Cherry and birch are sometimes confounded. The high pith rays on the cherry on radial sections readily distin- guish it; distinct pores on birch and spring-wood /one in cherry as well as the darker vinous-brown color of the latter will prove 4 pi1'" Beech Sycamore J Birch Fig. 12.—Wood of beech, sycamore, and birch. 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 Fernow, B. E. (Bernhard Eduard), 1851-1923; United States. Forest Service. Washington, Govt. print. off.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectforestsandforestry
