EXPLANATION OF THE PLATES. 



143 



Fig. 13. Polytrichum juniperinum. 

 Juniper-leaved Hair Moss (a) . 



Colour. Dark green. 



Stems. In tufts, bare below, leafy above. 



Leaves. Margin inflexed, not serrated, linear-lanceolate, base sheathing, bristle- 

 pointed. 



Flowers and Fruit. Capsule, with very acute angles ; brown. Summer. 

 Locality. Common on heaths. 



Fig. 14. Polytrichum strictum. 

 Narrow-leaved Hair Moss. 



Colour. Dark green. 



Stems. Simple or branched, long and slender. 

 Leaves. Short, not spreading, bristle-pointed. 

 Floivers and Fruit. Capsule small, seta long-. 

 Locality. Not common. Mr. Wilson's MS. 



Fig. 15. Polytrichum pilieerum. 

 Bristle-pointed Hair Moss. 



Colour. Purplish green. 



Stems. Not branched, in tufts ; bare below. 



Leaves. In tufts, bristle-pointed, margin turned in, not serrated. 

 Flowers and Fruit. Barren, flower crimson, seta orange-coloured, calyptra orange- 

 coloured, capsule ovate. Spring. 

 Locality. Dry heathy places, wall-tops, &c. 



