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.

---

peridium British  

/ pəˈrɪdɪəm /

noun

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

---

Other Word Forms

• peridial adjective
• peridiiform adjective

Etymology

Origin of peridium

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

Example Sentences

The capillitium and fragment of the peridium of the same species, � 380.

From The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species by MacBride, Thomas H. (Thomas Huston)

Inner peridium distinct from the outer all round; capillitium nearly free, collapsing when mature, threads long and brittle; spores dingy olive, turning brown; base stem-like, broad and blunt, with root, obconical, somewhat spongy.

From Student's Hand-book of Mushrooms of America, Edible and Poisonous by Taylor, Thomas

Gasteromycetes, in which the hymenium is enclosed in a second case or wrapper, called a peridium, which ruptures when mature, thus releasing the spores.

From Student's Hand-book of Mushrooms of America, Edible and Poisonous by Taylor, Thomas

Hypothallus none; peridium checkered with pale reticulations.         i.

From The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species by MacBride, Thomas H. (Thomas Huston)

The hyph� are thicker than the spores and branched, continuous with the slightly cellular base, and forming a columella inside the peridium.

From Student's Hand-book of Mushrooms of America, Edible and Poisonous by Taylor, Thomas