. 4^ Fig. 139.—I, Coryneum beyeriiickii ; 2, Cycloconii/m oleaginiiin on olive leaf; 3, fungus of same ; 4, Scoletotrichiim melophthornm ; 5, Trichothecium roseum; 6, Acreino?iiella occulta; 7, Ophiocladium hordei; 8, Meria laricis \ 9, basidia and spores of same. All except Fig. 2 highly mag. had remained hanging on the tree throughout the winter. These perithecia were considered by Vuillemin as constituting the perfect form of fruit of Coryneum^ and received the name of Ascospoi-a beyermckii { = Asterula beyerinckii, Sacc). The relationship of the three forms mentioned above has not been est

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. 4^ Fig. 139.—I, Coryneum beyeriiickii ; 2, Cycloconii/m oleaginiiin on olive leaf; 3, fungus of same ; 4, Scoletotrichiim melophthornm ; 5, Trichothecium roseum; 6, Acreino?iiella occulta; 7, Ophiocladium hordei; 8, Meria laricis \ 9, basidia and spores of same. All except Fig. 2 highly mag. had remained hanging on the tree throughout the winter. These perithecia were considered by Vuillemin as constituting the perfect form of fruit of Coryneum^ and received the name of Ascospoi-a beyermckii { = Asterula beyerinckii, Sacc). The relationship of the three forms mentioned above has not been established by means of cultures, but rests on their successive appearance on the same scar. Future research is required to definitely settle this point. Coryneum form. Crowded, short conidiophores spring from a minute stroma situated under the epidermis. Each

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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910