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 Add this item to the list   HELVELLA L.
Page number:70 
Remarks (internal):Cupulate species with fluted stipes have been placed in the genera Acetabula (Fr.) Fuckel or Paxina Kuntze. 
Description type:Non-original description 
Description:HELVELLA L.
Ascoma an apothecium, solitary to gregarious, usually stipitate, but sometimes subsessile, cupulate, saddle-shaped or mitrate, up to 10 cm broad. Hymenial surface buff to brown, gray, black, or sometimes cream or white, smooth or rugose. Stipe variable, terete, compressed, or rounded and ribbed, of same colors as hymenium. Ectal excipulum textura angularis or a palisade of hyphal tips; medullary excipulum of textura intricata. Paraphyses simple, slender, with clavate tips. Asci unitunicate, operculate, cylindrical, nonamyloid, 8-spored. Ascospores hyaline, 1-celled, ellipsoid, oblong or fusiform, smooth to verruculose or verrucose-rugose, with a large central oil droplet, and often smaller droplets, tetranucleate at maturity.
Anamorph: None reported.
Habitat: On soil or occasionally rotting wood.
Representative species: Helvella elastica Fr., a common species in moist woods.
Taxon name: