Diseases of plants induced by Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith diseasesofplants00tubeuoft Year: 1897 GYMXOSPORAX( ;i I' M. 397 the species already described in remaining closed at thr apex, the spores escaping through trellis-like slits on the lateral walls of the peridia (Fig. 2o4). This fungus will not germinate on apple-trees, but on pears every leaf may be thickly covered with aecidia and pycnidia, and considerable damage to the crop thereby ensue (Fig. 2o:

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Diseases of plants induced by Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith diseasesofplants00tubeuoft Year: 1897 GYMXOSPORAX( ;i I' M. 397 the species already described in remaining closed at thr apex, the spores escaping through trellis-like slits on the lateral walls of the peridia (Fig. 2o4). This fungus will not germinate on apple-trees, but on pears every leaf may be thickly covered with aecidia and pycnidia, and considerable damage to the crop thereby ensue (Fig. 2o:'<}, Fic. 231.—Lougitudiiiul section through a conical of Gymno- fporanijixim Sabinat. (After Woernle.) Fici. 2;{2.—Telcutospores of G. snblnin: The thin-walled ones arc lighter in colour than the thick-\v;illcd. (After Woenile.) Infections on varinus hosts with (r'i/iiiiiosji(irfi/i;/iinii sd/nnor IVdiii JunijJenis Sahina gave: f Itjiiv. IMtliiiy, Tubiiif, etc. K. ,, (Mill citaiii).

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