EXPLANATION OF TEE PLATES. 157 



Leaves. Ovate-lanceolate^ scattered, nerve broad. 



Flowers and Fruit. Dioicous ; seta slender; capsule pyriform ; neck tapering. 



Summer. 

 Locality. On tlie ground in barren places. Common. 



Fig. 15. Beyum mueale. 



Wall Thread Moss {a) . 



Colour. Yellow green. 



Stems. Short, with innovations. 



Leaves (b) . Lanceolate ; upper part serrated, acuminate. 



Flowers and Fruit. Dioicous ; capsule large, pyriform, drooping. Summer. 



Locality. On walls. Mr. Wilson. 



Fig. 16. Betum ateopuepueeum. 



Lark Thread Moss (a) . 



Colour. Purple green, very dark. 



Stems. Short, branched. 



Leaves (h) . Ovate-acuminate ; erect when dry, margin reflexed. 



Flowers and Frwit. Dioicous ; seta purple ; capsule contracted below the lid. 



oval-oblong. Summer. 

 Locality. Banks and walls. 



E. Leaves concave, closely imbricated, nerve not excurrent. 

 Fig. 17. Beydm julaceum. 



Slender-hranched Thread Moss (a) . 



Colour. Brownish green. 



Stems. Slender, in patches ; branches thread-like (filiform) . 



Leaves (b) . Ovate-concave, not serrated, obtuse. 



Flowers and Fruit. Dioicous ; seta arched, long and slender ; capsule oblong. 



Autumn. 

 Locality. Wet rocka. 



