. l-"i(j. \\.— Thielavia basicola. i, diseased pea root; 2, portion of first conidial stage {Miloiuia) ; 2 X , free conidia of same ; 3, second conidial stage {Torula); 3X, a conidium of same breaking u|) into cells ; 4, ;iscospores ; 5, perilhecium on winter fruit; 6, ascus containing' 8 spores, from winter fruit. Fig. I nat. size; remainder highly mag. fungus was a true parasite, and although capable of existing on manure and dead i)lants as a saprophyte, recent observa- tions and experiments have proved that under certain condi- tions, more especially on badly drained or water-logged s

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. l-"i(j. \\.— Thielavia basicola. i, diseased pea root; 2, portion of first conidial stage {Miloiuia) ; 2 X , free conidia of same ; 3, second conidial stage {Torula); 3X, a conidium of same breaking u|) into cells ; 4, ;iscospores ; 5, perilhecium on winter fruit; 6, ascus containing' 8 spores, from winter fruit. Fig. I nat. size; remainder highly mag. fungus was a true parasite, and although capable of existing on manure and dead i)lants as a saprophyte, recent observa- tions and experiments have proved that under certain condi- tions, more especially on badly drained or water-logged soil, the fungus acts as a very destructive parasite. The fungus has been found parasitic on numerous different kmds of plants belonging to widely separated families, as

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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910