. Diseases of economic plants . Plant diseases. 434 DISEASES OF ECONOMIC PLANTS Soft heart rot (Polystictis versicolor (L.) Fr.)- — The wood at the center of the tree is discolored and dis- integrated, becoming eventually straw-colored and Fig. 189. —Cross cut of cedar log showing effect of Polyporua juniperinus. After von Schrenk. The sporophores appear near the wound which afforded entrance. They are sessile, grouped, soft hairy above with alternate bands of light and dark color. "Wlien old, they are tough with edges curled in. See also p. Please note that these images are
. Diseases of economic plants . Plant diseases. 434 DISEASES OF ECONOMIC PLANTS Soft heart rot (Polystictis versicolor (L.) Fr.)- — The wood at the center of the tree is discolored and dis- integrated, becoming eventually straw-colored and Fig. 189. —Cross cut of cedar log showing effect of Polyporua juniperinus. After von Schrenk. The sporophores appear near the wound which afforded entrance. They are sessile, grouped, soft hairy above with alternate bands of light and dark color. "Wlien old, they are tough with edges curled in. See also p. 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 Stevens, Frank Lincoln, 1871-1934; Hall, John Galentine, 1870-. New York : Macmillan
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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1910, bookyear1910
