peridium

[ puh-rid-ee-uhm ]

noun

, Mycology.

, plural pe·rid·e·a [p, uh, -, rid, -ee-, uh].

1. the outer enveloping coat of the fruit body in many fungi.

peridium

/ pəˈrɪdɪəm /

noun

1. the distinct outer layer of the spore-bearing organ in many fungi

Other Words From

• pe·ridi·al adjective
• pe·rid·i·i·form [p, uh, -, rid, -ee-, uh, -fawrm], adjective

Word History and Origins

Origin of peridium¹

1815–25; < New Latin < German pērídion, diminutive of pḗra wallet; -idium

Word History and Origins

Origin of peridium¹

C19: from Greek pēridion a little wallet, from pēra leather bag, of obscure origin

Example Sentences

The fruit-bodies are of very various shapes, showing a differentiation into an outer peridium and an inner spore-bearing mass, the gleba.

From Project Gutenberg

He does not regard them as genuine asci, but as corresponding more to the peridium of the Gasteromycete� and Myxomycete�.

From Project Gutenberg

"Whether the thread is hollow or solid, simple or branched, free or connected with the peridium or a columella,—these are entirely secondary conditions, depending on the extent and form of the vacuoles."

From Project Gutenberg

Hymenium enclosed in a peridium, ruptured when mature Gasteromycetes.

From Project Gutenberg

The sporangia is very similar to that of S. fusca, cylindrical, peridium fugacious, exposing the reticulate capillitium, but instead of being dark-brown it is a yellowish or rusty-brown color.

From Project Gutenberg