. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 348 GENERAL PLANT PATHOLOGY leaves approximately horizontal. When attacked by a rust fungus, Endophyllum sempervivi (Fig. 137), the diseased leaves grow erect. The same is true with our native American hepatica, Hepatica triloba. Infrequently, it is attacked by a rust fungus in the aecial condition, Tranzschdia punctata, so that (Fig. 138), the rusted leaves develop a larger, stiffer petiole, stand erect with a smaller, stiffer leaf blade on which the aecia are found. The common garden


. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 348 GENERAL PLANT PATHOLOGY leaves approximately horizontal. When attacked by a rust fungus, Endophyllum sempervivi (Fig. 137), the diseased leaves grow erect. The same is true with our native American hepatica, Hepatica triloba. Infrequently, it is attacked by a rust fungus in the aecial condition, Tranzschdia punctata, so that (Fig. 138), the rusted leaves develop a larger, stiffer petiole, stand erect with a smaller, stiffer leaf blade on which the aecia are found. The common garden purslane Portulaca oleracea, usually grows in a prostrate position, but when attacked by the white rust, Cystopus {Albugo) porttdaca, many of the diseased branches become erect or ascending. The stems of Vaccinium vitis- idaa become erect the second year after infection by Mdampsora 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 Harshberger, John W. (John William), 1869-1929. Philadelphia : P. Blakiston's Son & Co


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1917