. Fig. 12^.âPhyllosticta frunicola. 1, apple leaves attacked by fungus ; 2, section through a perithecium embedded in the substance of the leaf; 3, conidia. Figs. 2 and 3 mag. Perithecia minute, immersed in the matrix, the mouth alone rupturing the epidermis, appearing as minute raised points; conidia hyaline, broadly elliptical, continuous, sur- rounded by a mucilaginous sheath which runs out at one end of the conidium as a hyaline appendage, which is apt to be overlooked, 8-10 x 5-6 ji. I have repeatedly met with perithecia containing conidia precisely similar to those described above, durin
. Fig. 12^.âPhyllosticta frunicola. 1, apple leaves attacked by fungus ; 2, section through a perithecium embedded in the substance of the leaf; 3, conidia. Figs. 2 and 3 mag. Perithecia minute, immersed in the matrix, the mouth alone rupturing the epidermis, appearing as minute raised points; conidia hyaline, broadly elliptical, continuous, sur- rounded by a mucilaginous sheath which runs out at one end of the conidium as a hyaline appendage, which is apt to be overlooked, 8-10 x 5-6 ji. I have repeatedly met with perithecia containing conidia precisely similar to those described above, during the spring months, growing from the stroma-like portion of Venfuria
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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910
