Taxon: Ptychomitrium wilsonii

Plate 145. Ptychomitrium wilsonii. 1, habit (× 5). 2, capsule (× 30). 3, 4, leaves (× 30). 5, upper leaf cells (× 335). 6, apical leaf cells (× 335). 7, basal leaf cells (× 335). 8, 9, cross sections of leaves (× 335). (Drawn from R.-L. Hong & Z.-L. Liu 651, HSNU.)