. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. CHARACTERISTICS OF THE TRUE FUNGI 43 gradations which preclude an absolute pronouncement as to whether a plant is a saprophyte, or a parasite.' Botanists generally concede that the true fungi have been derived from filamentous algal ancestors and the groups of algae from which the principal forms of fungi have. Fig. 12.—Russula nigricans parasitized by Nyclalis aslerophora. (After Brefeld.) been derived are fairly well known. For example, it is beUeved that such fungi as belong to the o
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. CHARACTERISTICS OF THE TRUE FUNGI 43 gradations which preclude an absolute pronouncement as to whether a plant is a saprophyte, or a parasite.' Botanists generally concede that the true fungi have been derived from filamentous algal ancestors and the groups of algae from which the principal forms of fungi have. Fig. 12.—Russula nigricans parasitized by Nyclalis aslerophora. (After Brefeld.) been derived are fairly well known. For example, it is beUeved that such fungi as belong to the order OOMYCETALES have been derived 1 Massee, George: On the Origin of Parasitism in Fungi. Annals of Botany, xviii: 319. Wakd, H. M.: Recent Researches on the Parasitism of Fungi. Annals of Bot- any, xix: 1. Bancroft, C. K.: Researches on the Life History of Parasitic Fungi. .Vnnals of Botany, xxiv: 359, 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
