FIG. 15 in On the peristomes of the corticolous African species of Fissidens Hedw. (Fissidentaceae, Bryophyta)

FIG. 15. — Fissidens pseudoplumosus Bizot & Onr. ex Pócs subsp. pseudoplumosus: A-C, G. A, OPL basal part and bifurcation; B, C, basal IPL, showing papillose trabeculae and smooth lamellae; G, papillose distal filaments. F. pseudoplumosus subsp. subplanifrons (Bizot & Onr. ex Brugg.-Nann.) Brugg.-Nann. & Arts: D-F, H-I. D, focused on the irregular somewhat reticulate OPL ornamentation; E, same tooth as Fig. D, but focused deeper to show the incrassate lamellar plates; F, side view basal part of tooth, OPL on the right; H, basal part of filament focus on OPL ornamentation; I, same tooth as Fig. H, focused on the "hemispiral" IPL ornamentation of high, dense oblique ridges. A, B, G from La Réunion, La Grande Montagne, Route Forestière de la Plaine d'Affouche, Arts REU122-38, BR, private herbarium M.A. Bruggeman-Nannenga; C from La Réunion, eastern slope of Piton de la Fournaise, sentier de la Ravine du Tremblet, Onraedt 9378, PC, type of F. pseudoplumosus; D-F, H-I from Mauritius, Shoulder of the Ponce (subsp. subplanifrons), Ayres s.n., type of subsp. subplanifrons, BM. Scale bar: 20 µm.