typical. 



minus. 



uliginosum. perigoniale. 



Fig. 23. Polytrichum commune and varieties. 



1 = Dry plants, X i. (The typical plant often has more erect leaves.) 2 = Tip 

 of plant showing perichaetial leaves and capsule, XL 3 = Capsules, X 5- 4 = Pores 

 from surface of capsule; the arrows point up in capsule, X 365. 5 = Cross sections 

 of a few lamellae showing their height, and depth of notching of apical cell, X 250. 



