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SUMMARY
Phaeodaedalea gen. nov., of the family Polyporaceae, is published based on Daedalea sprucei Berk. This species had already been indicated by Lloyd as belonging to a new genus, but no valid description was published. The important characters are the colored and globose to subglobose spores, the trimitic hyphal system and the high variation of the basidium, with 1–4 sterigmata.
Other polyporaceous genera having colored spores were studied but none are closely related to Phaeodaedalea, which is morphologically analogous to the polyporaceous genera with hyaline spores such as Daedalea and Gloeophyllum.
Habitat, geographical distribution, synonymy, macroscopic and microscopic characters of Phaeodaedalea sprucei are presented as well as a list of the American specimens examined.