. Fig. iS.— pruni. Twig of Plum, with four deformed fruits; one normal plum is partially hidden, the other is in the middle. ^ natural size, (v. Tubeuf del.) The mycelium hibernates in the soft bast of the twigs, and proceeds thence in spring into young shoots and ovaries. According to De Bary, the infected ovaries double their size in two days, and are full grown in eight days. The asci form a close layer under the cuticle of the ovary, and finally rupture it.

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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherl, booksubjectfungi