EXPLANATION OF THE PLATES. 



131 



II. Seta longer. 



(a) . Calyptra naked. 



Fig. 15. Oethoteichum pulchellum. 

 Pretty Bristle Moss (a) . 



Colour. Very pale green. 

 Stems. Short, branches few. 



Leaves (b) . Soft, lanceolate, pointed (apiculate) crisped when dry ; margin 

 recurved. 



Flowers and Fruit. Capsule eight-ribbed ; peristome of sixteen red teeth, in 



pairs ; calyptra naked. Spring. 

 Locality. Trees and walls. 



(b) . Calyptra hairy. 



Fig 16. Orthotrichum Ludwigii. 

 Club-fruited Bristle Moss (a) . 



Colour. Yellow green. 

 Stems. Creeping, branched. 



Leaves (6). In bundles (fascicled) , spreading, twisted when dry ; lanceolate. 

 Flowers and Fruit. Capsule on long seta, ovate. Autumn. 

 Locality. On trees. Scotland and Ireland. 



Fig. 17. Oethotrichum crispulum. 

 Dwarf-curled Bristle Moss (a) . 



Colour. Yellow green. 

 Stems. Tufted, branched. 



Leaves (b) . Linear-lanceolate, crisped when dry. 



Flowers and Fruit. Capsule oval, very thin and small, not contracted below the 



mouth. Spring. 

 Locality. Trees in the north of England, 



