1 84 



HANDBOOK OF BRITISH HEPATIC/E. 



account of Jungermannia Lyoni, Tayl., having 

 been referred to it in the s3^nopsis, whilst Dr. 

 Carrington regards Taylor's species as a form 

 of Jungermannia lycopodioides. We have been 

 unable to trace the t} T pical Jungermannia socia 

 as British. 



Jungermannia exsecta, Schmid. 



Stem nearly erect; leaves bifarious, spread- 

 ing, concave, acute, margin one- toothed, 

 emarginate ; perichastial leaves four-fid ; 

 stipules none ; perianth terminal, plicate. 



Jungermannia exsecta, Schmid. Ic. 244, t. 62, 

 f. 2; Hook. Br. Jung., No. 14, Suppl. t. 1 ; 

 Gott. and Rabh. Exs. 130, 177, 358; Carr. 

 and Pears. Exs. No. 108, Cooke Hep. f. 85. 



On boggy heaths. 



Forming small scattered patches, somewhat stel- 

 lately disposed, pale yellowish green. Stems pros- 

 trate, j inch long, fra- 

 gile, simple, or rarely 

 with a small shoot 

 at the base. Leaves 

 imbricated in two 

 opposite rows, 

 spreading or horizon- 

 tal, gradually becom- 

 ing smaller towards 

 the base, where they 

 closely surround and 



132. 



