. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. THE PARASITIC EXOASCEAE. 155 wliile the stone, including the embryo, remains stunted. (Fig, 49.) The "pocket-plums" (fools or bladder-plums) dry up, and remain hanging on the tree till autumn. De Bary found on the plum a withering of calyx and stamens resulting from the development of the hymenium of this Ejxxiscu^ ; on the bird cherry, according to Magnus and Wakker, enlargement of tlie stamens occurs. Some
. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. THE PARASITIC EXOASCEAE. 155 wliile the stone, including the embryo, remains stunted. (Fig, 49.) The "pocket-plums" (fools or bladder-plums) dry up, and remain hanging on the tree till autumn. De Bary found on the plum a withering of calyx and stamens resulting from the development of the hymenium of this Ejxxiscu^ ; on the bird cherry, according to Magnus and Wakker, enlargement of tlie stamens occurs. Sometimes a considerable thickening and twisting of the young shoots takes place, and their leaves curl Fig. iS.— pruni. Twig of Plum, with four deformed fruits; one normal plum is partially hidden, the other is in the middle. ^ natural size, (v. Tubeuf del.) The mycelium hibernates in the soft bast of the twigs, and proceeds thence in spring into young shoots and ovaries. According to De Bary, the infected ovaries double their size in two days, and are full grown in eight days. The asci form a close layer under the cuticle of the ovary, and finally rupture 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 Tubeuf, Karl, freiherr von, 1862-; Smith, William G. London, New York [etc. ] Longmans, Green & co.
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherl, booksubjectfungi
