Fig. 22. Polytrichum commune. 



1 = Moist plant with capsule, X i. 2 = Antheridial plant dry; d = antheridial 

 disk, X i. 3 = Immature capsule with calyptra, X 5- 4 = Capsule, X 5. 5 = 

 Peristome, X 150. 6 = Leaf showing lamellae on upper side, X 15. 7 = Leaf tip, X 

 65. 8 = Cross section of leaf, X 65. 9 = Cross section of a few lameLae showing 

 notched marginal cells, X 250. 



