抄録
Two species of Zygodon, Z. apiculatus Redf. and Z. conoideus (Dicks.) Hook. & Taylor are added to the moss flora of Japan. And two species of Ulota, U. hutchinsiae (Sm.) Hamm. and U. phyllantha Brid. are added to the moss flora of Japan. Key to Japanese species of Zygodon and Ulota are given.
