FIGURE 1. A–G in Spore morphology of Selaginella (Selaginellaceae) from China and its systematic significance

FIGURE 1. A–G. Spore morphology of Selaginella sanguinolenta (A–D. Megaspores, E–G. Microspores). H–L. S. nummularifolia (H–J. Megaspores, K–L. Microspores).—A, H, E, K. Proximal surfaces.—B, F, I, J. Distal surfaces.—C. Lateral surface.—G, L. Tetrads.—D. Portion of distal surface enlarged to show infrastructural detail. Scale bars = 100 µm (A, B, C, H, I & J), 20 µm (E, F, K & L), 10 µm (D).