EXPLANATION OF THE PLATES. 115 



GRIMMIA (Figs. 6—19) . 



Geneeic Character (Fig. 6) . 



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

 or ribbed; the lid (&) falling aivay separate from the columella, ivhich shrinks into 

 the capsule; Calyptra mitre-shaped {mitriform) , in five lobes at the base. Areola 

 (c) very small. 



i. CURVISETiE (CURVE-STALKED). 



I. Pidvinat(B. Monoicous. 



Fig. 7. Grimmia Pulvinata. 



Greij-cusMoned Ch-immia (a) . 



Colour. Light green, very lioaiy. 



Stems. In thick tufts. 



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



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. Geimmia oebiculaeis. 



Round-fruited Gi'immia (a) . 



Colour. Brown, tipped with green. 



Stems. In thick tufts. 



Leaves (6) . Oblong-lanceolate, with a very long point. 



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



Locality. Calcareous rocks. 



