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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 9

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Carbon di Oxide and water are excreted by the plant but the majority o the Waste Products are secreted in its tissue. Of the nitrogenous Waste Products the most important are the compound ammonias which are rarely excreted by the plant. At ordinary temperatures they are not volatile and are termed alkaloids. They are derived more or less directly from the proteids and are built up from ammonia. The alkaloids are in reality Waste Products, substances which cannot enter into the constructive Metabolism of the
 
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