A "map" of the spores should be taken by separating a pileus and placing it flat on a piece of thin paper for a few hours when the spores will fall and leave a nature print of the arrangement of the gills which may be fixed by gumming the other side of the paper. [Please select]
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Most of those which require gumming or fitting together are the work of man's hands alone. [Please select]
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Freedom from tendency to decompose or to change in composition by gumming or otherwise, on exposure to the air (79) while in use. [Please select]
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The Gumming and Drying of Oils~ is a very important consideration, the former being caused by oxidation, while the latter is due to evaporation. [Please select]
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