apothecium

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apothecium

the fruiting body of some ascomycete fungi (cup fungi) and lichens, containing asci (see ASCUS). Often lightly coloured, they can reach up to 40 cm in diameter, but are usually only a few millimetres across.
References in periodicals archive ?
Thallus K+ yellow, C-, KC-, Pd-, UV+ yellow (lichexanthone); disc K+ red to deep purple-red (russulone), apothecial margin UV+ yellow.
Thallus a thin black or yellow crust, or a lobulate, areolate yellow crust, or not evident (growing within substrate); apothecial disk and margin yellow 2.
Apothecia and thallus K-; apothecial disk a dull waxy yellow with a white pruinose rim Caloplaca ulmorum 2.