Definitionn. small asexual reproductive structure in e.g. liverworts and mosses that detaches from the parent and develops into a new individual
Last update: October 14, 2015
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[Illustration: Vorticella microstoma, showing alimentary tube, ciliated mouth, and formation of a gemma at the base, 300 linear. [Please select]
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The chief interest arises from the fact that it was one of the first observed by professed astronomers: Gemma Frisius saw it at Louvain. [Please select]
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GEMMA FRISIUS, SEBASTIAN MUNSTER, JULIUS SCALIGER, ORTELIUS and MERCATOR contended for the former; SALMASIUS, BOCHART, CLUVERIUS, and VOSSIUS for Ceylon: and the controversy did not cease till it was terminated by DELISLE about the beginning of the last century. [Please select]
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