Mac`ro*spo*ran"gi*um (?), n. [NL. See Macro-, and Sporangium.] Bot.

A sporangium or conceptacle containing only large spores; -- opposed to microsporangium. Both are found in the genera Selaginella, Isoctes, and Marsilia, plants remotely allied to ferns.

 

© Webster 1913.

Log in or registerto write something here or to contact authors.