The microscope and its revelations . inousmatter,—so does it seem probable, on a consideration of aUthe phenomena of the Potatoe- and Vine-diseases, that neitherthe Botrytis of the one, nor the Oidium of the other willvegetate in perfectly healthy plants; but that a disorderedcondition, induced either by forcing and therefore unnaturalsystems of cultivation, or by unfavourable seasons, or by acombination of both, is necessary as a predisposing con-dition. c c 386 MICROSCOPIC STRUCTURE OF HIGHER CRYPTOGAMIA. 213, In those lower forms of this class to which our noticeof it has hitherto been chie
The microscope and its revelations . inousmatter,—so does it seem probable, on a consideration of aUthe phenomena of the Potatoe- and Vine-diseases, that neitherthe Botrytis of the one, nor the Oidium of the other willvegetate in perfectly healthy plants; but that a disorderedcondition, induced either by forcing and therefore unnaturalsystems of cultivation, or by unfavourable seasons, or by acombination of both, is necessary as a predisposing con-dition. c c 386 MICROSCOPIC STRUCTURE OF HIGHER CRYPTOGAMIA. 213, In those lower forms of this class to which our noticeof it has hitherto been chiefly restricted, there is not any verycomplete separation between its Nutritive or vegetative, andits Reproductive portions ; every ceU, as in the simplest Pro-tophytes, being equally concerned in both. But such a sepa-ration makes itself apparent in the higher; and tliis in a verycurious mode. Eor the ostensible Fungi of almost everydescription (Fig. 126) consist, in fact, of nothing else than Fig. 126. jl^^^f&g^^^ ^^^^^^^P^ u.
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