EXPLANATION OF TEE PLATES. 153 



Plate XXIII. 



(f/). Leaves ovate, nerve beyond the point. 

 Fig. 1. Bryum uliginosum. 



Bog Thread Moss (a) . 



Colour. Emerald green. 



Stems. Short, radiculose, innovations long, tufted. 



Leaves [b) . Lanceolate-ovate ; margins, above flat, below recurved ; spreading 



and erect. 

 Flowers and Fruit. Monoicous. Capsule pendulous ; mouth small and oblique. 



Summer. 

 Locality. Wet places. Common. 



Fig. 2. Beyum pallescens. 



Tall clustered Thread Moss (a) . 



Colour. Light green. 



Stems. Long, bare below, much branched, radiculose, tufted. 



Leaves. Large, ovate-lanceolate. 



Flowers and Fruit. Monoicous. Capsule not quite pendulous, irregular; lid 



sharp-pointed (acuminate) . Summer. 

 Locality. Rocks and walls in mountain districts ; but not common. 



Fig. 3. Beyum ceenuum. 



Drooping Thread Moss (a) . 



Colour. Very pale green. 



Stems. Short, tufted; radiculose. 



Leaves (&) . Ovate-lanceolate, concave, radiculose ; very crowded. 



Floivers and Fruit. Synoicous, capsule large, swollen, outer and inner peristome 



adhering. Spriag. 

 Locality. Eocks and walls. 



