54 BRITISH MOSSES. 



BRYACEiE. 



True Mosses. 

 1. ACROCARPI (SUMMIT-FRUITED). 



PLATE IV. 



phasce^e. 



Fig. 1, 2, 3. Characteristics op Order. 



Plants, the most minute of British mosses, with roots, capsule (fig. 1, a; 2, a) 

 round, without fruitstalk {sessile') , or on a very short seta, splitting at the side ; 

 lid (true) none; seeds {spores, fig. 1, b; 2, b) very large; cells {areolae, fig. 3) 

 very large. 



Fig. 1. Archidium. 

 Generic, Character. • 



Capsule (a) without any separate lid, splitting at the side, sessile, spores (b) 

 very large, few, angular. 



Fig. 1, c. Archidium phascoides. 

 Clay Moss. 



Colour. Light Green. 



Stems. Quarter of an inch in length, with long barren shoots {innovations) from 

 below the capsule. 



Leaves {d) . Lanceolate, wide apart ; nerve thick, running beyond the leaf, 



{excurrent) . 



Floivers and Fruit. Monoicous. Capsule globular, rather pointed at the top. 



Calyptra very small. 

 Locality. On damp ground. 



