Archive image from page 113 of The cytoplasm of the plant. The cytoplasm of the plant cell cytoplasmofplant00guil Year: 1941 Guilliermond - Atkinson — 98 Cytoplasm Figure 60 gives a very exact idea of these facts. Here, in the pumpkin seedling, are shown side by side all the forms assumed by the two categories of elements in the course of cellular differ- entiation. It is seen that the two types of chondriosomes have the same shape through all the stages of cellular development— granules, rods, filaments—but these shapes are not always identical for both types at a given stage in development

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Archive image from page 113 of The cytoplasm of the plant. The cytoplasm of the plant cell cytoplasmofplant00guil Year: 1941 Guilliermond - Atkinson — 98 Cytoplasm Figure 60 gives a very exact idea of these facts. Here, in the pumpkin seedling, are shown side by side all the forms assumed by the two categories of elements in the course of cellular differ- entiation. It is seen that the two types of chondriosomes have the same shape through all the stages of cellular development— granules, rods, filaments—but these shapes are not always identical for both types at a given stage in development and there are stages in which one type appears as granules and the other as filaments. This makes it possible to distinguish them at every stage. Further- ,—>i T-C

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