1) Cover 2) Covering 3) Natural covering 
(1) a membrane covering the sporangia of some ferns; (2) a cup enclosing the stigma in Goodeniaceae.
tissue covering the sorus of a fern. Also used for the modified style end or pollen-cup of some Goodeniaceae (including Brunoniaceae). adj. indusiate
• (n.) A collection of hairs united so as to form a sort of cup, and inclosing the stigma of a flower. • (n.) A peculiar covering found in certain fungi. • (n.) 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.
(from the article `sorus`) ...or yellowish cluster of spore-producing structures (sporangia) usually located on the lower surface of fern leaves. A sorus may be protected ... ...linear or oblong sorus along a vein covered from one side by a narrow indusium, which is represented by Asplenium, and (6) a sorus that is round ... [2 relat...
a scale-like outgrowth on a fern leaf which forms a covering for the sporangia
The epidermal covering or envelope of a sorus.
<botany> Tissue covering the sorus of a fern. ... (09 Oct 1997) ... 
a scale-like outgrowth on a fern leaf which forms a covering for the sporangia
A membranous outgrowth of a fern leaf that wholly or partly covers a sorus.
The covering over a group of sporangia in ferns.
In·du'si·um noun ; plural Indusia (-ȧ). [ Latin , an under garment, from induere to put on: confer French indusie the covering of the seed spots of ferns.] (Botany) (a) A collection of hairs united so as to form a sort of cup, and inclosing th...
The little growth covering or surrounding the sorus or fruit-dot in ferns.
Type: Term Pronunciation: in-dū′zē-ŭm, -zē-ă Definitions: 1. A membranous layer or covering. 2. The amnion.
[n] - a membrane enclosing and protecting the developing spores especially that covering the sori of a fern
Latin = tunic.
any of several structures having a netlike or skirtlike shape, as the membranous overgrowth covering the sori in ferns. · · an enveloping layer or membrane. · a thin layer of gray matter on the corpus callosum.