. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. 250 ASCOMYCETES. Scleroderris. A ^black stroma is formed in the bark of twigs attacked by this fungus, and thence the apothecia break out in great numbers, at first as closed spheres, later as stalked open cups with finely lobed rims. The asci are cylindrical or club- m Fig. 13B-'Scleroderris full' rtinosa on living twig of Salix Caprea. (v. Tubeuf del.). Fig. 134.— i^clerodei-^'is faliginosa ou living twig of Salix


. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. 250 ASCOMYCETES. Scleroderris. A ^black stroma is formed in the bark of twigs attacked by this fungus, and thence the apothecia break out in great numbers, at first as closed spheres, later as stalked open cups with finely lobed rims. The asci are cylindrical or club- m Fig. 13B-'Scleroderris full' rtinosa on living twig of Salix Caprea. (v. Tubeuf del.). Fig. 134.— i^clerodei-^'is faliginosa ou living twig of Salix alba. A, Three apotliecia, two in section, the tmrd seen from above, showing the cross-like fissure. S, Sections of diseased bninches, whose growtli has been arrested in the shaded parts; on the dead bark apothecia are present. C, Asci, spores and paraphysns. (v. Tubeuf del.) shaped, and contain eight colourless spores which are club- shaped, needle-shaped, or thread-like, and divided by septa into four to eight cells. The pores of the asci are coloured blue by iodine. The paraphyses are 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, 1862-1941; Smith, William G. London ; New York [etc. ] : Longmans, Green & co.


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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherl, booksubjectfungi