Language: French
The authors describe and illustrate some poorly known taxa, Cortinarius imperialis, C. xanthochlorus, C. craticius, C. squamulifer, Psathyrella atrolaminata, P. pseudogracilis, P. fatua and P. phegophila, some other new ones like Psathyrella citerinii sp. nov. and P. conferta sp. nov. Psathyrella gracilis var. aurantiofulva is proposed ad interim and compared with P. microrhiza var. laeta ad int. Some specimens from Romagnesi's herbarium are also studied: P. lutensis and P. badiophylla var. neglecta.