"Clitocybe pineina (or possibly Lepista irina)
In style and personality, this group most resembles a variety shown in the old books as Clitocybe pineina, described therein as stout, robust and vigorous, with a fat foot. These were found growing in clusters under conifers."
In publication, Page 47: "Reflections on the Fungaloids" by B.L. Williamson, Ottawa, 1992. ISBN 1-894572-65-3