X. Carteret-Cortinaires de France

The author describes and illustrates, in the genus Cortinarius, twenty five rare or little known taxa: 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)