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The sun flower as a type of flowering plants by Anne B. Jewett, 1890

The Sun Flower as a Type of Flowering Plants by Anne B. Jewett, 1890, Page 38

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35. [underlined] Fig. 25. [/underlined] shows the same portion of the apical cone, only at a more advanced stage of growth. The epidermis-cells contain protoplasm and nuclei. Some contain a nucleus with two or three nucleoli, others contain two nuclei with each a nucleolus. The cells below these are quite large and rather irregular. The origin of the root-cap in the Sun-Flower as in all Phanerogams, may
 
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