Three new taxa of Lepista: L. fasciculata n. sp., L. singeri n. sp. and Lepista subgenus Laevispora n. subg.

Authors: Harmaja, Harri
Journal: Karstenia, Volume 14 (1974), pages 129-132.
Full text: PDF

Abstract:  The author describes two new species of Lepista (Fr.) W. G. Smith sensu Harmaja 1974 (Agaricales). Lepista fasciculata Harmaja differs from the apparently closely related L. subalpina (Big. & Smith) Harmaja mainly through its paler, non-hygrophanous pileus and somewhat larger spores. Lepista singeri Harmaja differs from the closely related L. (Clitocybe) nebularis (Fr.) Harmaja in the tricholomoid habit with sinuate gill -attachment, much paler colour of the pileus without grey tinges, and a larger hilar appendix of the spore. From L. irina (Fr.) Bigelow it differs above all through the perfectly smooth spores under the light microscope, the different odour, and probably also through a yellowish spore colour. L. singeri appears to be the » Tricholoma irinum with smooth not reddish spores» of some authors. New and more accurate details of the characters of this species are given. The new subgenus Lepista subg. Laevispora Harmaja is established to accommodate the two species, L. nebulari (as the type) and L. singeri, which have all their spores completely smooth under the light microscope, a yellow spore colour (not quite certain in L. singeri), and a characteristic common odour. In subg. Lepista all the spores are warted (however, in one species a part of even mature spores are smooth), the spore deposit is reddish, and the odours are different.