A flask-shaped or rounded ascocarp with an ostiole, found esp. among pyrenomycetes.

Botany and Mycology. In some lower plants and fungi: a cavity-like organ containing reproductive organs or cells; esp. the antheridia and oogonia of…

A receptacle containing spores; a spore-case or capsule.

A case or cell containing sporules.

Botany and Mycology. In cryptogams: any of various specialized structures supporting reproductive organs; esp. (a) (in certain ferns) a small…

A small sporangium.

A receptacle containing spores; a sporangium.

In early use: †a structure enclosing a group of spores, esp. in an alga; a sporangium (obsolete). Later: the outermost layer of the spore wall, or…

= polysporangium, n. Obsolete.

A structure surrounding a sporangium; esp. the indusium of a fern.

= sporangium, n.

(See quot. 1866.)

= sporidiolum, n.

= theca, n. 2.

= megasporangium, n.

A sporangium containing numerous spores, or containing polyspores, as in red algae.