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 —, Coprinus comatus. —(Coville, Circular 13, Division of Botany.)

the cap is somewhat darker colored. The ring on the stem is also wider and thicker than in campestris. This variety also grows larger than campestris, and the diameter of the cap is commonly from three to six inches. The figure is only about one-half the natural size. The horse mushroom is frequently confounded with the common mushroom, and there is practically no difference in their edible qualities. It grows preferably in gardens rather than fields, and especially in gardens which have been heavily fertilized. It