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Only a spore print with expert examination can tell some of the deadly ones from the delicious and safe ones.—

Place one on a piece of colored paper overnight and you’ll find a white spore print the next day.

They are very small, as fine as dust, and invisible to the naked eye, except as they are seen in masses on the grass, on the ground, or on logs, or in a spore print.

A spore print may be made in the same manner as from mushrooms having gills.

They will pile up in long lines along on either side of all the gills and so give us an impression, or spore print, of the arrangement of the gills on the under side of the cap as shown in Fig.