. [Bulletins on forest pathology : from Bulletin , Washington, , 1913-1925]. Trees; Plant diseases. Bui. 1262, U. S. Dept. of Agriculture. PLATE Transverse Sections of Hemlock, White Pine, Soft Maple, and Bass- wood, Showing Rotted Areas. A, Transverse section of a hemlock (Tsuga canadensis) log from tree No. 10, showing the incipient stage of rot produced by Ganoderma tsugae. B, Transverse section of a white pine (Pinus strobus) log of tree No. 14, showing the ring-rot of Trametes pint. C, Transverse section of a soft maple (Acer rubrum) log of tree No. 16, showing the incipie
. [Bulletins on forest pathology : from Bulletin , Washington, , 1913-1925]. Trees; Plant diseases. Bui. 1262, U. S. Dept. of Agriculture. PLATE Transverse Sections of Hemlock, White Pine, Soft Maple, and Bass- wood, Showing Rotted Areas. A, Transverse section of a hemlock (Tsuga canadensis) log from tree No. 10, showing the incipient stage of rot produced by Ganoderma tsugae. B, Transverse section of a white pine (Pinus strobus) log of tree No. 14, showing the ring-rot of Trametes pint. C, Transverse section of a soft maple (Acer rubrum) log of tree No. 16, showing the incipient and typical stages of Fomes igniarius. The dark area surrounding the central rotted area is the incipient region. D, The transverse section of a basswood (Tilia americana) log of tree No. 18, showing the incipient rot produced by Phdiota adiposa. Note the darker outer zone of 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 : U. S. Dept. of Agriculture]
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashi, bookyear1913