GEIMMIA, 116 



Rocks and walls, sometimes on trees. 



November — March. 



Var. /8. GRACILIS. Per. 1. secund, others subsecund 

 or spreading, stem decumbent, elongated. 



Var. 7. EivuLAKis. St. fasciculate. L. ovate-lanceo- 

 late, dark green, obtuse. Caps, turbinate. 



By streams. 



210. G. maritima, Turner. OEespitose, dull green or 

 brownisb. L. rigid, not hair-pointed, straight, lanceo- 

 late acuminate, keeled, nerve strong, reddish-brown, 

 excurrent, margin plane. Caps, obovate, with a large, 

 rostellate lid. Perist. teeth large and perforate. 



Rocks near the sea. November — March. 



Section 2. GASTEBO-GRIMMIA. 

 Plants very short, pulvinate. Caps, slightly emerging, 

 ventricose on one side, on a short, curved seta. Ca- 

 lyptra five-lobed or cucuUate. 



a. Peristome absent. 



211. G. anodon, B. and 8. In small, hoary cushions. 

 L. lower minute, loosely imbricate, ovate lanceolate, 

 muticous, upper larger, broadly oblong-lanceolate, 

 concave, nerve excurrent into a long serrated hair, basal 

 cells elongate, pellucid, above quadrate, opaque. Caps, 

 immersed, oval, strongly ventricose, lid plano-convex. 

 Monoicous, 



"Walls and dry limestone rocks. Spring. 



Arthur's Seat (Bell). 



b. Peristome perfect. 



212. G. crinita, Brid. In loose, flat, silky tufts. 

 L. lowest imbricate, lanceolate, muticous, upper obo- 

 vate-oblong, strongly concave, the broad, diaphanous 



I 2 



