Found 2 items, similar to indusium.
English → English (WordNet) Definition: indusium indusium n : a membrane enclosing and protecting the developing spores especially that covering the sori of a fern [also: indusia (pl)]
English → English (gcide) Definition: Indusium Indusium \In*du"si*um\, n.; pl. Indusia (-[.a]). [L., an under garment, fr. induere to put on: cf. F. indusie the covering of the seed spots of ferns.] (Bot.) (a) A collection of hairs united so as to form a sort of cup, and inclosing the stigma of a flower. (b) The immediate covering of the fruit dots or sori in many ferns, usually a very thin scale attached by the middle or side to a veinlet. (c) A peculiar covering found in certain fungi. [1913 Webster]