• Plate I

   

  Figs. 101-108. P. ralfsii (Wils.) Nees & Gottsche ex Lehm. 101. Female plant showing a young pseudoperianth (p); scale bar = 2.5 mm. 102. Male plant showing the ( rows of globose antheridia (an); scale bar = 2.5 mm. 103. SEM micrograph of a female plant; scale bar = μm. 104. SEM micrograph of a male plant; scale bar = 400 μm. 105. SEM micrograph of a female plant in transverse section showing the strongly convex ventral surface of the midrib (m); scale bar = 400 μm. 106. Thallus wing showing the increase in cell size from the margin to the base; scale bar = 100 μm. 107. Lamellae with a sinuate margin and a scarcely distinct marginal cells; scale bar = 100 μm. 108. SEM micrograph of a lamellae showing the sinuate margin; scale bar = 100 μm.

  Fig. 101 from Wrench s.n. (ABSH); Figs. 102-104 from Jones s.n. (ABSH ex LISU); Fig. 105 from Long 3948 (E); Figs. 106-108 from Duncan s.n.(E).

   

• Plate II

   

  Figures 109-114. P. ralfsii (Wils.) Nees & Gottsche ex Lehm. 109 a-c. Ventral scales; scale bar = 50 μm. 110. SEM micrograph of a male plant showing rows of globose antheridia (an) surrounded by scale-like lamellar extensions (sl) with entire margins; scale bar = 200 μm. 111. SEM of a female plant with a well-developed pseudoperianth (p) that has cilia (ci) along the mouth; scale bar = 100 μm. 112. Female plant with a sporophyte showing the capsule (cp), seta (se) and a large pseudoperianth (p); scale bar = 2.0 mm. 113. Pseudoperianth showing a slit and cilia (ci) along the mouth; scale bar = 100 μm. 114. SEM of the pseudoperianth mouth; scale bar = 62 μm.

  Figs. 109 a-c from Mueller s.n. (ABSH); Fig. 110 from Jones s.n. (ABSH ex LISU); Figs. 111, 113, 114 from Duncan s.n. (E); Fig. 112 from Wrench s.n. (ABSH).

   

• Plate III

   

  Figures 115-118.P. ralfsii (Wils.) Nees & Gottsche ex Lehm. 115. Mass of spores (sp) and elaters (el) showing the rarely branched nature of the elaters; scale bar = 55 μm. 116. SEM micrograph of a spore (sp) and several elaters (el); scale bar = 100 μm. 117. SEM micrograph of the distal surface of a spore showing the lamellae (le) and areolae (ae); scale bar = 10 μm. 118. SEM of a close up of the distal spore surface, showing the lamellae (le) and areolae (ae); scale bar = 10 μm.

  Figs. 115-118 from the holotype, Wilson s.n. (BM).