220 Proceedings of the Royal Irish Academjj. 



Massalongia 



clieilea Ifudcl = Pannaria cheilea Nyl. 

 Micro tlielia 



calcaricola Mudd = Yerrucaria calcaricola Leight. 

 gemniifera Mudd = Verrucaria geuimifera Tai/l. 

 pygmaea Koerh - Yerrucaria erratica Leight. 

 Myriospora 



Heppii Nag. = Acarospora Heppii Koerh. 

 Nephroma 



resupinatum Ach. = 'S. Isevigatum Ach. 

 NephTomium 



Isevigatum Nyl. = Nephroma laevigatum Ach. 

 lusitunicum Nyl. = Xepliroma lusitauicum Schaer. 

 parile Nyl. = JS^ephroma parile Gray. 

 tomentosum Nyl. = Nephroma tomentosum {Hoffin.) 

 Normandina 



jungermannisB Del. = N. pulchella Borr. 



leetevirens Nyl. = Coriscium viride TTamio 



viridis Nyl. - Coriscium viride Wainio 

 Opegrapha 



hetulina Pers. = Graphis scripta Ach. 



Chevallieri Leight. = 0. sa^icola Ach. 



dendritica Ach. = Phseographis dendritica Mull. Arg. 



diaphora Nyl. = 0. varia Kr. 



diplasiospora Nyl. = Melaspilea diplasiospora Mall. Arg. 



epipasta Ach. = Arthonia epipasta Leight. 



epiphega Ach. = 0. atra Pers. 



lentiginosa Leight. = Melaspilea lentiginosa Miill. Arg. 



Persoonii Ach. = 0. saxicola Ach. 



rimalis^cA. = 0. saxicola Ach. 



rufescens Pers. 0. herpetica Ach. 



rupestris Pers. = 0. saxicola Ach. 



saxatilis DC = 0. saxicola Ach. 



saxigena Tayl. = 0. saxicola Ach. 



scripta Ach. = Graphina sophistica Miill. Arg. 

 Pannaria 



carnosa Dicks. = Massalongia carnosa Koerh. 



cheilea Nyl. = Parmeliella microphylla Mull. Arg. 



leucolepis Wlilnh. = P. Hookeri Nyl. 



roicrophylla Sw. = Parmeliella microphylla Miiii. Arg. 



muscorum Ach. = Massalongia carnosa Koerh. 



nigra Suds. = Placynthium nigrum Gray. 



pezizoides TVeb. = P. brunnea A^yl. 



