Taxon: Fissidens curvatus

Plate 77. 1–14, Fissidens crispulus var. robinsonii. 1, habit (× 10). 2, part of stem showing axillary hyaline nodules (× 40). 3, axillary hyaline nodule (× 100). 4–6, leaves (× 19). 7, leaf apex (× 90). 8, cells at leaf apex (× 375). 9, cells of apical lamina (× 375). 10, cells of ventral lamina (× 375). 11, 12, cross sections of leaves (× 90). 13, cross section of ventral lamina (× 375). 14, cross section of apical lamina (× 375). 15–22, Fissidens curvatus. 15, habit (× 25). 16, 17, leaves (× 33). 18, apical leaf cells (× 315). 19, marginal cells of apical laminae (× 315). 20, marginal cells of vaginant laminae (× 315). 21, cross section of leaf (× 315). 22, cross section of stem (× 210). (1–14, drawn from isolectotype of F. robinsonii, Robinson 18105, H-BR; 15, from IX 1896, P. J. Giraldi s.n., FI; 16–22, from Handel-Mazzetti 6604, H.)