BioImages: The Virtual Field-Guide (UK)
Peziza violacea Pers. (a discomycete)
||15 March 2017
|OS grid ref
||50° 50' N, 1° 50' W
||Vice County: Dorset, VC9, England
|Stage or state
||dark violaceous-brown apothecia on old fire-ste
||Asci 8-spored, tip blued in Melzer's Iodine.
Ascospores: ellipsoid, with two small guttules, finely warted under oil immersion. 12-13/7-8µm. Immature spores stain in lactophenol cotton blue but older spores in ascus, including wall ornament, unstained. Spores from a spore print show very finely rough with minute and separate warts that faintly stain in lactophenol cotton blue.
Paraphyses: with dark violaceous granular contents, apex slightly swollen and curved to one side.
This is P. praetervisa sensu Dennis with rough spores, which is now called P. violacea.