• The outermost layer of the wall of certain spores.
  • An asexual spore developed externally by budding, as from a sporophore.
  • The outer coat of a spore, corresponding to the extine of pollen-grains: same as <internalXref urlencoded="epispore">epispore</internalXref>.
  • An outer coat of dried protoplasm adhering to the surface of a spore, as to the resting-spores of <em>Peronospora</em> and <em>Mucor.</em>
  • The extreme outer wall of a spore; the epispore.
  • The <xref>outer</xref> <xref>layer</xref> of a <xref>spore</xref>, especially in some <xref>algae</xref> and <xref>fungi</xref>
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