Language: French
The author describes and illustrates twenty-five rare or little known taxa in the genus Cortinarius
Cortinarius azureovelatus var. subcaligatus, C. perrugatus, C. eucaerulescens, C. caerulescentium, C. caesiopallescens (forma?), C. cyanoxanthus, C. permirus, C. hircinus var. hydrophilus, C. triformis reumauxii, C. rubicundus, C. testaceofractus, C. lacustris var. laceratus, C. hinnuleus, C. aciculisporus, C. aspilus, C. collybioides, C. conicoides, C. furfuraceus, C. incisior, C. pseudosafranopes, C. sordescentipes, C. insignitus, C. argumentosus, C. petroselineus f. conicopurpuratus, C. petroselineus f. radicipes.
Two new species and a new variety are proposed: C. cyanoxanthus, C. permirus (Section Caerulescentes) and C. lacustris var. laceratus (Section Hinnulei)