FIG. 12 in On the peristomes of the corticolous African species of Fissidens Hedw. (Fissidentaceae, Bryophyta)

FIG. 12. — Fissidens macroglossus (Broth.) Brugg.-Nann. A, OPL of three deeply divided teeth; B, C, E, details of Fig. A; D, distal parts of filaments, partly in sideview; E, OPL basal cells; F, IPL basal part. A-E from Ivory Coast, Bonaké, Porembski 33, private herbarium Bruggeman-Nannenga; F from Cameroon, Bipindi Urwaltgebiet, Zenker 2292, isotype of F. macroglossus, private herbarium Bruggeman-Nannenga. Scale bars: A, 50 µm; B-F, 20 µm.