from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the outer part of a spore wall which often disappears in older spores.

from The Century Dictionary and Cyclopedia

  • n. A genus of pyrenomycetous fungi of the order Perisporiales, having black superficial perithecia and elongate, dark-colored, 4-celled spores. About 10 species are included in the genus.


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