238 HANDBOOK OF BRITISH MOSSES. 



On moist schistose rocks. Wales and Scotland. Rare. 

 Bearing fruit in winter and early spring. 



Forming dense blackish tufts 2 or 3 inches high. Tips of 

 branches dingy green ; leaves not hair-pointed ; fruitstalk ra- 

 ther thick, erect or slightly cernuous ; teeth pierced above or 

 split halfway ; leaf-cells at the base rather sinuous ; veil be- 

 tween mitriform and cucullate; lid conical or very slightly 

 rostrate. 



The figure of the veil is very different in the two plates 

 quoted above. 



2. G-. unicolor, Grev. ; dioicous ; loosely csespitose ; stems 

 fastigiate; leaves erecto -patent, erect when dry, elongated, 

 linear-lanceolate, obtuse ; margin incun 7 ed ; nerve broad, 

 reaching to the tip ; sporangium suberect, ovate ; ring large ; 

 lid rostrate. Hook. Wils. t. xxxiii.; Eng. Bot. t. 2771, /. 

 2. ; Grev. Sc. Crypt. Fl. t. 123. 



On alpine rocks. Clova, Mr. Drummond. Bearing fruit 

 in autumn. 



Forming loose lurid patches. Leaf-cells at the base strictly 

 quadrate or rectangular, much looser than in the last ; stems 

 less robust ; leaves more obtuse ; veil mitriform or cucullate, 

 multifid at the base; teeth entire, bifid or perforated. The 

 leaves are not carinate as in the last, and the lid is longer. 



b. Veil conico-mitriform. 



3. G. leucophsea, Grev. ; dioicous ; tufted ; stem erect ; 

 upper leaves spreading, ovate or ovato-oblong, hair-pointed, 

 closely imbricated when dry ; margin plane ; sporangium 

 shortly exserted, erect, elliptic or oblong; ring large; lid 

 shortly conico-rostrate ; teeth perforated and bifid. Hook, fy 

 Wils. t. xxxiii. ; Grev. Sc. Crypt. Fl. t. 284.; (Moug. Nest, 

 n. 813). 



