. Diseases of economic plants . Plant diseases. TREES AND TIMBER 435 CEDAR, RED Rust {Gymnosporangium, various species).—The "cedar apples," familiar upon the red cedar, are usually of but small significance to the cedar tree itself unless exception- ally abundant. See apple Fig. - Longitudinal section of cedar showing effect of Polyponts juniperinus. After von Schrenk. White rot {Polyporus juniperinus v. Schrenk). — In this disease long holes appear in the heartwood, extend- ing longitudinally with a partition of sound wood be- tween. These cavities may eventually unite


. Diseases of economic plants . Plant diseases. TREES AND TIMBER 435 CEDAR, RED Rust {Gymnosporangium, various species).—The "cedar apples," familiar upon the red cedar, are usually of but small significance to the cedar tree itself unless exception- ally abundant. See apple Fig. - Longitudinal section of cedar showing effect of Polyponts juniperinus. After von Schrenk. White rot {Polyporus juniperinus v. Schrenk). — In this disease long holes appear in the heartwood, extend- ing longitudinally with a partition of sound wood be- tween. These cavities may eventually unite to form tubes throughout the tree. The wood between one cavity and. 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