Rs 
ce 
= 
id 
* ‘e 
Be 
% 
- 
5: 

Fig. 28. Polytrichum strictum. 
1 and 2 = Moist plants with capsules, X 1. 3 = Dry antheridial plant, X 1. 4 
= Dry archegonial plant, X 1. 5 = Immature capsule withcalyptra, X 5. 6 and 
7 = Capsules, X 5. 8 = Peristome, X 150. 9and10 = Leaves showing lamellz on 
upper side, X 15. 11 and12 = Leaf tips, X 65. 13 = Cross section of leaf, X 65. 
14 = Cross section of a few lamelle showing flask-shaped marginal cells, X 250. 
