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WordNet 3.0Copyright Princeton University
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n. - Outer layer of the spore-bearing organ in many fungi.

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Usage examples (21)
  • The opening of a peridium, when ripe, to discharge the spores.
  • The spores are released from the peridium and scattered by the wind or other factors.
  • This name is given to the genus because of the hard peridium, the wall being much firmer and harder than in
  • The portion of the stalk that extends into the peridium (the capsule containing the spores) is the columella
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