J 





ffe 



'jli'i 'if 



m 



! 1'' 





:ss: - 



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 S- 4 = Capsule, X 5- 5 = 

 Peristome, X 150. 6 = Leaf showing lamell:e on upper side, X 15. 7 = Leaf tip, X 

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

 notched marginal cells, X 250. 



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