Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplants00tube Year: 1897 USTILAGO. 277 which at first swell up in a gelatinous manner. Spores are formed inside the ultimate ramifications of the mycelium, and as they reach maturity, the membrane loses' its gelatinous character, the cells break up, and the spores are set free; they are dispersed as a dry dusty powder after rupture of the tissues \ Fig. 148.—Ustilago uiaydU. The head has liecu exposed to view by dissectin

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Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplants00tube Year: 1897 USTILAGO. 277 which at first swell up in a gelatinous manner. Spores are formed inside the ultimate ramifications of the mycelium, and as they reach maturity, the membrane loses' its gelatinous character, the cells break up, and the spores are set free; they are dispersed as a dry dusty powder after rupture of the tissues \ Fig. 148.—Ustilago uiaydU. The head has liecu exposed to view by dissecting away the enclosing leaves; it is beset towards the apex by smut-boils. (V. Tubeuf phot.) of the host enclosing them. The spores germinate, giving rise to a promycelium (basidium), which becomes divided up by means of cross-septa into several cells, from each of which conidia are laterally abjointed. These conidia sprout yeast- like, and give off new conidia, or they produce a mycelium;

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