FIGURE 27. A–F in Spore morphology of Selaginella (Selaginellaceae) from China and its systematic significance

FIGURE 27. A–F. Spore morphology of Selaginella willdenowii (A–D. Megaspores, E–G. Microspores). G–L. S. siamensis (G–J. Megaspores, K–L. Microspores).—D, E, G, K. Proximal surfaces.—C, F, L. Distal surfaces.—A, I. Lateral surfaces.—B, H, J. Portions of proximal surface enlarged to show infrastructural detail. Scale bars = 100 µm (A, C, D, G & I), 50 µm (B, H), 20 µm (E, F, K & L), 10 µm (J).