Cortinarius alboviolaceus

"Pale example, more albo than violaceous; in age their silvery pewtery lilac will fade to greyish tan. Found under beech and oak; when young, similar in colour to the Wood Blewit but not in style or taste."

In publication, Page 43: "Reflections on the Fungaloids" by B.L. Williamson, Ottawa, 1992. ISBN 1-894572-65-3