peridium

American  

[puh-rid-ee-uhm] / pəˈrɪd i əm /

noun

Mycology.

plural

peridea

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

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peridium British  

/ pəˈrɪdɪəm /

noun

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

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Other Word Forms

• peridial adjective
• peridiiform adjective

Etymology

Origin of peridium

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

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

They are usually somewhat globose in form, having a thick outer coat or peridium, though in some of the genera the outer coat is very thin or obsolete.

From Project Gutenberg

The peridium may be double, varies in texture, color, persistence, and so forth, as will be more fully set forth in the several specific descriptions.

From Project Gutenberg

When fully matured, the peridia are filled with a dusty mass of spores, so that it is scarcely possible in this condition to gain any notion of the structure.

From Project Gutenberg

Spores produced on sporophores, compacted into one or more globose or disciform bodies, contained within a distinct peridium.

From Project Gutenberg