EXPLANATION OF THE PLATES. 



115 



GRIMMIA (Figs. 6—19) . 



Generic Character (Fig. 6) . 



Very similar to ScMstidium, but the capsule (a) generally oval, either smooth 

 or ribbed ; the lid (b) falling away separate from the columella, ivhiclb shrinks into 

 the capsule ; Calyptra mitre-shaped (miinform) , in five lobes at the base. Areola? 

 (c) very small. 



1. CURVISETiE (CURVE-STALKED). 



I. Pulvinatw. Monoicous. 



Fig. 7. Grimmia Pulvinata. 



Grey-cush ioned Grimmia (a) . 



Colour. Light green, very hoary. 

 Stents. In thick tufts. 



Leaves (b) . Lanceolate, suddenly running to a long white point. 



Capsule. Oval, with eight furrows, drooping ; lid rostrate; peristome red; annulus 



large. Spring. 

 Locality. On walls and rocks. 



Variety. Obtusa (c) . — Stem short, leaves narrower, lid short. 



Fig. 8. Grimmia orbicularis. 



Pound-fruited Grimmia (a) . 



Colour. Brown, tipped with green. 

 Stems. In thick tufts. 



Leaves (b) . Oblong-lanceolate, with a very long point. 



Capsule. When ripe, bright red, rather thin ; lid scarcely beaked. Spring. 

 Locality. Calcareous rocks. 



