Definify.com
Webster 1913 Edition
Indusium
‖
In-du′si-um
,Noun.
pl.
Indusia
(-ȧ)
. [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.