Figure 2 Selaginella brachyclada. A. Section of the stem, upper surface; B. Median leaf, upper surface; C. Close-up of median leaf mid-section, upper surface; note stomata along the midrib (a) and papillate epidermal cells (b); D. Lateral leaf basiscopic margin, upper surface; note stomata (a) and tooth-like hairs (b); E. Section of the stem, lower surface; note lateral (a), median (b), and axillary (c) leaves; F. Lateral leaf, lower surface; G. Close-up of lateral leaf, lower surface; note elongate, sinuate-walled, and laevigate cells (a) and elongate, straight-walled, and papillate idioblasts (b); H. Close-up of a section of the basiscopic margin of the lateral leaf, lower surface; note marginal stomata (a) and elongate, straight-walled, and papillate idioblasts (b). (A–H) from J.A. Steyermark et al. 115583, GH.