Abstract
Four genera of Bryaceae, Acidodontium Schwaegr., Orthodontium Schwaegr., Pseudopohlia Williams and Schizymenium Harv. are newly found in Japan. Two species of Acidodontium, A. megalocarpum (Hook.) Ren. & Card. and A. longifolium (Par.) Broth., two species of Orthodontium, O. denticulatum Geh. & Hampe and O. pellucens (Hook.) Bruch, Schimp. & Gümbel, Pseudopohlia didymodontia (Mitt.) A. L. Andrews, Schizymenium novoguinense (E. B. Bartram) A. Eddy, three species of Brachymenium, B. alpinum Ochi, B. jilinense T. J. Kop., A. J. Shaw, J.-S. Lou & C. Gao and B. muricola Broth. and Mielichhoferia pusilla (Hook. f. & Wilson) Mitt. are added to the moss flora of Japan. Two new combinations, Schizymenium japonicum (Besch.) Tad. Suzuki and Schizymenium sasaokae (Broth.) Tad. Suzuki are made.
