Taxon: Barbula chenia

Plate 109. 1–5, Barbula chenia. 1, habit (× 3). 2, leaf (× 45). 3, perichaetium (× 20). 4, peristome (× 20). 5, median leaf cells (× 325). 6–8, Barbula convoluta. 6, habit (× 3). 7, perichaetium (× 20). 8, leaf (× 45). 9–12, Barbula dixoniana. 9, 10, leaves (× 45). 11, median leaf cells (× 325). 12, gemma (× 325).