McArdle — On the Hepatme of the Dingle Peninsula. 327 



Acloon, Lett and McA., 1897 ; Loughanscaul, Lett and McA., 

 1897; Earnananaghea lough, Lett and McA., 1898; Mount 

 Eagle, Lett and McA., 1898. 



3. Riccarclia latifrons, Schmidel, Lindberg. Jimgermama mtdtifida, 



Sclimid. Ic, pi. 3, p. 213-216; exceL Synon, 1797; Hook. 

 Brit. Jung., t. 45, figs. 4, 7, et 12. 



Hal. Wet boggy places, sides of rivulets ; Anascanl, 

 D. McA., 1894; Lett and McA., 1898; Lough Adoon, D. 

 McA., 1894; Coumanare lakes, Lett and McA., September, 

 1898; Bamanaghea lough, Lett and McA., 1898; Lough 

 NalachaiL, Lett and McA., 1898 ; rare. 



4. Riccardia pinguis, Linn., B. Gr. Jungermania pinguis^ Linn. 



Sp., pL, p. 602; Hook. Brit. Jung., t. 46; Moore, Irish, 

 Hep., p. 668. 



Hob. In marshy places, among mosses, and on decayed 

 wood; Connor hill, Lett and McA., 1897 ; Coumanare lakes, 

 Lett and McA., 1898 ; Maghanabo glen, JF.W.M. and D. McA., 

 April, 1897 ; Anascaul, D. McA., 1894 ; bog between 

 Emalough and Inch, Lett and McA., 1899; Mount Brandon, 

 Lett and McA., 6th June, 1900. 



Yar. denticulata, ]S'ees, Lindberg in Acta Soc. Sci., Fenie x 

 p. 514. 



Hah. Among Cylicocarpum Mougeoti, Connor hill, Lindberg 

 and Moore, 1873. 



Sub-order. — Maechantiace^. 

 Genus 37. — Maechantia, Micheli. 



1. Marchantia polymorpha, Mich., ISTov., pi. Gen., t. 1, figs. 1, 2, 5, 

 Linn. Sp., pi. 1603 ; Eng. Bot., t. 100. 



Hah. In moist shaded places, sides of drains, old walls, &c. ; 

 common. 



Genus 38. — Conocephalus, Neck. 



1. Conocephalus conicus, l^eek, Dumort. Marchantia conica, Eng. 

 Bot,, t. 504. 



Hah. Damp shaded places, bauks of lakes and rivers ; 

 common. 



