THREE NEW SPECIES OF FISSIDENS FROM JAPAN

抄録

  Three new species of Fissidens from Japan are described. F. neomagofukui Z.Iwats. & Tad.Suzuki, F. pseudoadelphinus Z.Iwats. & Tad.Suzuki and F. fujiensis Tad.Suzuki & Z.Iwats. Fissidens neomagofukui is similar to F. diversifolius, but it lacks a limbidium, and its peristome teeth are short and papillose. Fissidens pseudoadelphinus in compared with F. teysmannianus (= F. adelphinus), but has narrower leaves which are often very asymmetrical, and a costa ceasing far below the apex. Fissidens fujiensis is similar to F. taxifolius, but the cells in the apical lamina are much larger than those in F. taxifolius, and have indistinct papillae in the comers.