McArdle — On the Hepaticce of the Dhigle Peninsula. 297 



Sah. On damp rocks and on peaty banks among mosses, and 

 on the larger Hepaticse. Connor hill, Lindberg and Moore, 

 1873 ; between Dingle and Ventry, Lindberg and Moore, 1873 ; 

 on the west side of Mount Brandon, P. W. M. and D. McA., 

 1881 ; Maghanabo glen, D. McA., 1875 ; Mount Eagle, F. W. 

 M. and D. McA., 1881 ; Coumanare lakes, Lett and McA., 

 Septr., 1898; Lougbanscaul, D. McA., 1894; Lett and McA., 

 1898 ; Lougb Adoon, Lett and McA., Septr,, 1897 ; Barnanaghea 

 lough, Lett and McA., Septr., 1898 ; Denymore glen, Lettaud 

 McA., May, 1899 ; Lough Duff, Lett and McA., May, 1899. 



Var. erecta, M'Ardle, Irish IS'at., vol. iii., p. 139. Plants 

 about a quarter of an inch long, growing in dense compact 

 patches of a bright yellow colom\ Stem stronger than in the 

 type, erect, irregularly branched, often secund, bearing 

 numerous root hairs in isolated tufts up to the apex, which show 

 well marked haustoria Leaves closely imbricated, densely 

 chlorophyllous in the upper two-thirds of the plant, stipules 

 larger than in the type, ovate or sub-rotund, cleft for more than 

 half of their length into two obtuse (often acute) lobes. 

 Amentoe short, consisting of four to six altered leaves. Perianths 

 copious, lateral, sharply keeled, stalk of the capsule with thi-ee 

 or four distinct articulations. 



Sab. On damp peat among rocks, Connor hill, D. McA., June, 

 1894, rare. 



Lejeunea flava, Swartz. IS'ees ; Jungermania flava, Swartz. Prodi'. 

 Fl. Ind., p. 144. 



Sai. On decayed wood and bark and among mosses, and on 

 large Hepaticse. Connor hill, F. W. M. and D. McA., July, 

 1881; Lough Adoon, Lett and McA., Septr., 1897; 

 Loughanscaul, Lett and McA., Septr., 1898 ; Barnanaghea 

 lough, Lett and McA., Septr., 1898 ; Hickson's Wood, D. McA., 

 1894; Mount Eagle lake, Lett and McA. Septr., 1898; 

 Burnham "Wood, Lett and McA., 1898 ; Mount Brandon west, 

 F. W. M. and D. McA., April, 1897. Among rocks (on 

 Metzgeria) between Emalough and Inch, Lett and McA., May 

 1899. Among Hypnum, Lough Nalachan, Lett and McA., 

 May 1899. 



Sub-species, Lejeunea Moorei, Lindberg, in Acta Soc. Fenn. 

 Hep., Hib. x., p. 487, Moore, Irish Hepaticse, p. 615, with 

 excellent figure, plate 44. 



