Definitions for "Apothecium"
The ascigerous fructification of lichens, forming masses of various shapes.
(pi. apothecia) a spore producing organ which is open and more or less concave or convex; may be disk-like, saucer-shaped, or irregular, see Fig. 22(A &c B), p. 26.
An ascocarp in which the hymenium is exposed at maturity. Generally cup- or saucer-shaped, apothecia can also be long and narrow (lirellae).