Notes on Boletes. XIII

Abstract
Unusual occurrences: Suillus granulatus subsp. Snellii under pitch pine, and spruce, instead of the usual white pine; Leccinum aurantiacum under spruce and balsam fir far from the usual poplars. New listings: several spp. from Louisiana; Xerocomus coniferarum, Quebec; Suillus cothurnatus. New York; possibly Boletus appendiculatus, California. New spp.: Leccinum subleucophaeum, New England and New York; Suillus umbonatus, Utah; Xerocomus lenticolor and Porphyrellus atrofuscus, California; Tylopilus subunicolor, Louisiana.