70 BRITISH MOSSES. 



Leaves (b) . Very narrow^ subulate, scarcely more than a nerve. 

 Capsule. Minute, seta slightly curved. Spring. 

 Locality. On the sides of limestone rocks. Rare. 



Fig. 4. Seligeeia calcaeea. 



Chalk Bristle Moss. 

 Colour. Dull green. 



Stems. Hardly any, simple. 



Leaves (b) . Lower part ovate, upper subulate [ovate-suhulate] , nerve thick. 



Capsule. Larger than iu pusilla, seta thicker. Sirring. 



Locality. On chalk. 



Fig. 5. Seligeeia calcicola. 



Little Chalk Moss. 

 Colour. Pale green. 



Stems. Very short. 



Leaves (b) . Lanceolate, few. 



Capsule. Roundish. SiDring. 



Locality. On chalk. 



Fig. 6. Seligeeia eecuevata. 



Curve-necked Bristle Moss (6) . 

 Colour. Dull green. 



Stems. Very short. 



Leaves (c) . Lanceolate-subulate, bent. 



Capsule. Minute, on curved seta. Spriug. 



Locality. Sandstone rocks. 



The following species have lately been discovered in England : — 

 Seligeria tristicha. Three-leaved Bristle Moss. Bright green, leaves lanceo- 

 late, not spreading at all, in three ranks, ia other respects like calcara. 



Seligeria diversifolia. Various-leaved Bristle Moss. Colour dull green, 

 leaves linear-lanceolate, more numerous than in calcicola. 



