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Vegetable secretions and the means by which by are effected by Kate L. Hudson, 1888

Vegetable secretions and the means by which by are effected by Kate L. Hudson, 1888, Page 26

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22 calcium carbonate. There forms are peculiar to the orders Urticaceae and Euphobiaceae. The crystoliths shown in Fig. 4 are found in the leaf of a Fig. Another instance of the secretion of single cells in interior tissue is oil in the fruit of the Olive. Here the oily substance is secreted and a globule of oil occupies the vacuole of the cell. The cells are large and loosely arranged and the oil globule is surrounded by a mass of protoplasm. Plate IV Fig. 1. the use of the oils probably to enrich the soil where the fruit falls and in this way nourish
 
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