• WordNet 3.6
    • n Volvaria agarics having pink spores and a distinct volva
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Century Dictionary and Cyclopedia
    • n volvaria [Fries, 1821.] A genus of central-stiped, rosy-spored agarics having the pileus at first inclosed in a membranous veil which ruptures and remains as a volva at the base of the stem. Over 30 species have been described. V. volvacea, having an ash-colored pileus streaked with black fibrils, is found in Europe, Ceylon, and North America.
    • n volvaria A genus of tectibranchiate gastropods, of the family Actæonidæ, represented by extinct Tertiary shells, as V. bulloĻŠdes: formerly including certain smooth shells of the family Marginellidæ. See cut under volutite.
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In literature:

Volva, no ring, Volvaria.
"Among the Mushrooms" by Ellen M. Dallas and Caroline A. Burgin
Genres Volvaria, Ampullaria, Planorbis.
"Lamarck, the Founder of Evolution" by Alpheus Spring Packard
This is the smallest species of the Volvaria.
"The Mushroom, Edible and Otherwise" by M. E. Hard
The volva is a feature of great importance in the study of the Agaricini, of the subgenera Amanita, Volvaria, etc.
"Student's Hand-book of Mushrooms of America, Edible and Poisonous" by Thomas Taylor