• Plate I

     

    Figs.98-103. Fossombronia cristula Austin. 98. OM micrographs of a typical plant showing frequent, furcate branching and multiple sporophytes (arrows); scale bar = 300 µm. 99. SEM micrograph of intermixed antheridia (an) and archegonia (ar); scale bar = 100 µm. 100. SEM micrograph of a single caulocalyx showing the deep sinus (arrow); scale bar = 100 µm. 101. OM micrograph of a leaf; scale bar = 100 µm. 102. OM micrograph of median leaf cells; scale bar = 50 µm. 103. OM micrograph of the capsule wall; scale bar = 100 µm. Figs. 98, 99, 102 from the lectotype of F. cristula, Austin s.n. (MANCH acc. #21016). Fig. 100 from Michigan, Crum s.n. (MICH). Fig. 101 from Indiana, Happy Hollow camp ground, Neal 259 (ABSH). Fig. 103 from an isolectotype of F. cristula, Austin s.n. (FH).

     

  • Plate II

     

    Figs.104-109. Fossombronia cristula Austin. 104, 105. OM micrographs of spores and elaters; scale bar = 10 µm. Figs. 106-108. SEM micrographs of the distal spore walls of F. cristula, showing variation within a single capsule; scale bar = 10 µm. 109. SEM micrograph of the proximal spore wall; scale bar = 10 µm. Figs. 104 - 109 from the lectotype of F. cristula, Austin s.n. (MANCH acc. #21016).