BRYOPHYTES: Fossombroniineae

Plate I
Figs. 56-63. P. hodgsoniae C. H. Ford & Stotl.-Crand. 56. Thallus showing the darkly pigmented, clustered archegonia (a) at the apex; scale bar = 1.5 mm. 57. SEM micrograph of part of the thallus; scale bar = 1.5 mm. 58. Transverse section showing the darkly pigmented archegonia (a), midrib tissue (m) and thallus wings (w); scale bar = 1.0 mm. 59. SEM micrograph of a transverse section through the thallus showing the pseduoperianth (p), a cluster of archegonia (a), the midrib tissue (m), the thallus wings (w) and the dorsal lamellae (l); scale bar = 50 μm. 60. SEM micrograph of a transverse section showing a zone of specialized cells (sp) on the dorsal surface of the thallus; scale bar = 50 μm. 61. Thallus wing showing a distinct margin of quadrate to tangentially elongated cells and a sinuate stance; scale bar = 500 μm. 62. Higher magnification view of thallus margin showing the tangentially elongated marginal cells(mc); scale bar = 100 μm. 63. SEM micrograph of a lamella showing the broadly sinuate margin; scale bar = 100 μm.
Figs. 56-61 Hamlin s.n. (WELT); Figs. 62, 63 from the holotype, Hodgson 11297 (MPN).
Plate II
Figs. 64-69. P. hodgsoniae C. H. Ford & Stotl.-Crand. 64. Female plant with mature pseudoperianth (p) and elongated seta (se); scale bar = 1.0 mm. 65. Mass of spores and elaters; scale bar = 50 μm. 66. Elater with three spirals; scale bar = 20 μm. 67. Spore; scale bar = 40 μm. 68. SEM micrograph of the distal face of a spore, showing the lamellae (le) and aerolae (ae); scale bar = 10 μm. 69. SEM micrograph of the proximal face of an immature spore, showing the lamellae, aerolae and central pucker; scale bar = 10 μm. 70. SEM micrograph showing the characteristic pucker (pp) on the proximal face of a spore; scale bar = 10 μm.
Figs. 64 from Hamlin s.n. (WELT); Figs. 65-70 from the holotype Hodgson 11297 (MPN).