EXPLANATION OF THE PLATES. 97 



Plate XII. 



TRICHO STOMEiE. Part II. 



TRICHOSTOMUM. 



Fig. 1. Generic Character. 



Capsule oval or cylindrical j seta long and often slightly curved ; lid beaked 

 (rostrate) oblique; calyptra cradle-like (cucullate) . Peristome (a) single, of thirty- 

 two teeth in pairs, very slender, much articulated ; connected by a membrane at 

 the base, and much articulated ; slightly turning to the left. Leaves lanceolate, or 

 subulate, areolse (b) larger at the base, and remarkably regular. Never on trees, 

 but on the ground and rocks. 



I. Leaves lanceolate. 

 Fig. 2. Trichostomum crispulum. 

 Curly-leaved Hair Moss (a) . 



Colour. Bright green. 



Stems. Branched, in thick patches. 



Leaves (b) . Smaller below, upper crowded, linear-lanceolate; nerve rather 

 projecting. 



Flowers and Fruit. Dioicous. Seta curved, capsule cylindrical. Summer. 

 Locality. Limestone rocks near the sea. 



Fig. 3. Trichostomum mutabile. 

 Variable Hair Moss (a) . 



Colour. Bright green. 

 Stems. Branched, in patches. 



Leaves (b) . Larger and broader, lanceolate ; nerve running to a point ; margin 



not recurved (plane) . 

 Flowers and Fruit. Dioicous; seta long, straight ; capsule ovate. 

 Locality. Moist banks, generally near the sea. 



