from The Century Dictionary and Cyclopedia
- n. In mycology, the outer peridium of a fungus when more than one are present, especially in Geaster, in which the outer peridium separates, and expands into a stellate form. Compare endoperidium.
Sorry, no etymologies found.
It is remarkable for the brilliant vermilion color of the inner surface of the outer layer of the wall (_exoperidium_), which is exposed by splitting into radial strips that curl and twist themselves off, and by the vermilion color of the edges of the teeth at the apex of the inner wall