Taxon: Fissidens crenulatus

Plate 76. 1–15, Fissidens crassinervis. 1, habit (× 10). 2–7, leaves (× 38). 8, cells at leaf apex (× 375). 9, cells at margin of lamina (× 375). 10, cells at margin of vaginant lamina (× 375). 11, 12, cross sections of dorsal laminae (11 at median part, × 375; 12 at lower part, × 375). 13, cross section of vaginant lamina (× 375). 14, cross section of stem (× 375). 15, capsule (× 19). 16–27, Fissidens crenulatus. 16, habit (× 25). 17–19, leaves (× 33). 20, apical leaf cells (× 315). 21, marginal cells of apical laminae (× 315). 22, marginal cells of vaginant laminae (× 315). 23–25, cross sections of leaves (× 315). 26, cross section of stem (× 210). 27, exothecial cells (× 210). (1–15, drawn from a specimen of Japan, Suzuki 13403, NICH; 16–27, from P.-J. Lin 1638, IBSC.)