128 



HANDBOOK OF BRITISH HEPATIC,*:. 



tion spreading, texture thin. Inflorescence dioicous. 

 Involucral bracts somewhat larger and broader, 

 lobes obtuse. Perianth oblong, half-immersed, 

 apex recurvate, obliquely truncate, entire. Calyp- 

 tra obovate. — (Plate J, fig. j./.) 



Scapania aequiloba, Sc/nv., Dum. 



Stem erect, leaves conduplicate, two-lobed, 

 lobes nearly equal, rounded ovate, acute, den- 

 tate ; perianth with dentate mouth. 



Jungermannia ajquiloba, Schwag. Prod. p. 

 24 ; Ekart. Syn. Jung., t. ii., f. 90. Scapania 

 ajquiloba, Dumort. Rev. Jung. p. 14 ; Gott. 

 and Rabh. Exs. No. 89, 169, 331, 404, 408; 

 Carr. and Pears. Exs. No. 159; Cooke Hep. 

 f. 40 ; Carr. Br. Hep. p. 81, t. S, f. 26 partly. 



Crevices of rocks in subalpine districts. 



a dentata, Gott. and Rab. Exs. 331. 

 Leaves broader, irregularly 

 toothed, apical teeth largest. 



var. (5 iiicrmis, Gott. and 

 Rab. Exs. 80, 404, 408. 

 Lobes obovate, oblong, 

 sometimes cultriform, en- 

 tire. 



var. 



Stems shorter, gracile, loosely 

 tufted ; leaves approximate, 

 equi - distant ; texture firm, 

 olive brown, verrucose, divided for a short dis- 



ss. 



