Figs. 242-247. Fossombronia texana Lindb. 242. SEM micrograph of plant apex showing the elongate, spreading leaves; scale bar = 100 µm. 243. SEM micrograph of a second plant showing antheridia (an) and archegonia (ar) at the apex; scale bar = 100 µm. 244. SEM micrograph of a plant showing the dorsal auricles (arrows) and antheridia (ar); scale bar = 100 µm. 245. SEM micrograph of two caulocalyces showing the lobed mouth (arrows); scale bar = 100 µm. 246. OM micrograph of a leaf showing the lingulate leaf shape and auricle (arrow); scale bar = 100 µm. 247. OM micrograph of elongate median leaf cells and spherical oil bodies; scale bar = 100 µm. Figs. 242 - 246 from the lectotype of F. texana, Lindb s.n. (H-SOL). Fig. 247 from Texas, Stotler & Crandall-Stotler 4055 (ABSH).

Figs. 248-253. Fossombronia texana Lindb. 248. OM micrograph of the capsule wall; scale bar = 100 µm. 249. OM micrograph of lamellate spores and elaters overlaying the capsule wall with mostly nodular thickenings; scale bar = 100 µm. 250, 251. SEM micrographs of the distal spore walls, from the same capsule, showing variations of the cristate pattern and sublamellar anastamosing; scale bar = 100 µm. 252. SEM micrograph of the distal spore wall from the lectotype of Fossombronia brasiliensis var. lamellifera, showing a similar pattern to those in Fig. 250; scale bar = 100 µm. 253. SEM micrograph of the proximal spore wall; scale bar = 100 µm. Figs. 248 - 251, 253 from the lectotype of F. texana, Lindb s.n. (H-SOL). Fig. 252 from the lectotype of Fossombronia brasiliensis var. lamellifera, Sharp 4077 (ABSH).