exoperidium

American  

[ek-soh-puh-rid-ee-uhm] / ˌɛk soʊ pəˈrɪd i əm /

noun

Mycology.

plural

exoperidia

1. the outer of the two layers into which the peridium is divided.

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Etymology

Origin of exoperidium

exo- + peridium

Example Sentences

Fleshy layer closely attached, very light in color, usually smooth on the limb of the exoperidium but cracked on the segments.

From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Hard, Miron Elisha

The outer coat or exoperidium recurved, segments acute at the apex, eight to twelve segments divided to about the middle.

From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Hard, Miron Elisha