epithecium








noun, plural ep·i·the·ci·a [ep-uhthee-shee-uh, -see-uh] /ˌɛp əˈθi ʃi ə, -si ə/. Mycology.

  1. the surface layer of tissue of the fruiting body of lichens and fungi, formed by the union of the tips of the paraphyses over the spore sacs.
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