Omphalotus illudens (formerly Clitocybe illudens), has been known for a long time. For example, there were reporta in the New York Botanical Garden Journal in 1938 (1)(a) Department of Chemistry, University of Califomia-Sau Diego, La J ob, California 92093.(b) Department of Pathology, University of California-San Diego, La Job, California 92093.(c) Present address: Division of Hematology, Arizona Cancer Center, 1601 N. Campbell Ave., ...