EXPLANATION OF TEE PLATES. 



199 



Locality. Walls and trunks of trees in places liable to inundation, in the new 

 red sandstone. 



Fig. 15. Hypnum rutabulum. 

 Rough-stalked Feather Moss (a) . 



Colour. Grass green. 



Stems. Procumbent^, extremity rooting, branched irregularly, branches erect. 

 Leaves. . Large, thin, ovate-acuminate, serrulate, slightly striated when dry, nerved 

 to above half-way. 



Flowers and Fruit. Monoicous ; seta long*, very rough ; capsule rather large, 



arched, oblong • lid conical. Winter. 

 Locality. Walls and trees, &c. Very common. 



Fig. 16. Hypnum rivulare. 

 Rivulet Feather Moss («) . 



Colour. Yellow green. 



Stems. Pinnate, branches long, slender, attenuated. 



Leaves (b) . Ovate, delta-shaped (deltoid) , serrated, striated, nerve to above half- 

 way. 



Flowers and Fruit. Dioicous ; seta long ; capsule ovate, cernuous ; lid conical, 



barren when growing in water. Winter. 

 Locality. By rivulets in shady places, and in water. 



