82 HANDBOOK OF BRITISH HEl'ATH.T. 



Bazzania Donniana, Hook. 



Stem erect, nearly simple, flexuous; leaves 

 falcate-secund, triangularly ovate, margin re- 

 volute, bidentate at the apex ; stipules none ; 

 perianth terminal, ovate, plicate, mouth laci- 

 niate. 



Jungermannia Donniana, Hook. Br. Jung. 

 No. 39 ; Eng. Bot. t. 2566 ; Cooke Hep. 

 f. 84. Jungermannia trilobata, var. Hook. Fl. 

 Scot. II., 117. Plcuroschisnm Donnianum. 

 Dumort. Syll. Jung. p. 72. 



Amongst moss on Mountains. 



Growing" in small loose tufts. Stems 1 to 2 or 3 

 inches long, erect, thread-like, flex- 

 uous, but fragile, purplish-brown, 

 simple, or with one or two scattered 

 shoots. Leaves closely imbricated, 

 bifarious, oblong ovate, very concave, 

 margin often incurved (fig. 61), 

 slightly decurrent at the base, 

 divided at the apex by an acute 

 sinus, which is often concealed by 

 overlapping, forming two small ob- 

 tuse teeth, deep purplish brown. 



Calyx ovate, plicate above, with a slightly-toothed 



mouth. 



Genus 12. KANTIA, Gray. 

 Involucre none; perianth affixed laterally 



