Taxon: Fissidens gymnogynus

Plate 79. 1–15, Fissidens geminiflorus. 1, habit (× 13). 2, 3, leaves (× 20). 4, apical leaf cells (× 315). 5, juxtacostal cells of apical leaf (× 315). 6, marginal cells of vaginant laminae (× 315). 7–11, cross sections of leaves (7–9, × 315; 10, 11, × 50). 12, axillary hyaline nodule (× 315). 13, cross section of stem (× 133). 14, female inflorescence (× 20). 15, perichaetial leaf (× 20). 16–21, Fissidens gymnogynus. 16, habit (× 8). 17, leaf (× 22). 18, apical leaf cells (× 210). 19, marginal cells of apical laminae (× 210). 20, cross section of leaf (× 210). 21, cross section of stem (× 210). (1–15, drawn from L. Sun & J.-L. Zhang 61, SYS; 16–21, from P.-J. Lin 2401, IBSC.)