EXPLANATION OF THE PLATE 8. 



129 



Fig. 9. Orthotrichdm Lyellii. 

 Lyell's Bristle Moss (a) . 



Colour. Greenish brown. 



Stems. Long, very little branched. 



Leaves (b) . Very long, lanceolate; toothed above, scattered and spreading; very 

 papillose. 



Flowers and Fruit. Capsule oblong, apophysis tapering into the fruitstalk ; outer 

 peristome sixteen yellow teeth, inner sixteen red cilia. Dioicous. 

 Summer. 



Locality. Trees. Rare. Fruit rare. 



Fig. 10. Orthotrichum rivulare. 

 Water Bristle Moss (a) . 



Colour. Blackish. 



Stems. Long, slender, branched. 



Leaves. Lanceolate-obtuse ; margin recurved ; nerve strong. 

 Flowers and Fruit. Capsule immersed, brown, pyriform ; calyptra naked. 

 Summer. 



Locality. Trees by rivers, and floating- from them in the water. Common. 



Fig. 11. Orthotrichum Sprucei. 

 Spruce's Bristle Moss (a) . 



Colour. Yellow green. 



Stems. Short, branches few ; tufted. 



Leaves (b) . Sheathing (sjjathulate) , nerve running to a point {apiculate) . 

 Flowers and Fruit. Capsule pyriform, half immersed, strise wide. Summer. 

 Locality. Trees and river banks. 



