Schizophyllum Fries, Observ. Myc. I: 103. 1815; System. Myc. I: 330. 1821. Type species: Schizophyllum commune Fr., Systema Mycologicum 1: 330 (1821) Description. Plants leathery, reviving when moistened, solitary, gregarious, or cespitose; pileus covered by a pellicle of loosely interwoven hyphae; the content composed of closely aggregated hyphae with relatively narrow lumens; gills bifurcate and clothed near the extremities with abhymenial hairs, in dry weather mostly inrolled to cover the hymenial layer; stem lateral, eccentric, or lacking, and when present usually short and always attached to the pileus on the opposite side from the hymenium; spores hyaline, smooth, ellipsoid, or cylindrical; cystidia present or absent. Parasitic or saprophytic, mostly xylophilous.