222 Proceedings of the Royal Irish Academy. 



Pertusaria — continued. 



fastigiata LeigM. = P. multipuncta Nyl. 



lactescens Mudd = P. lactea JS'yl. 



rupestris DC = ^. communis JD C. 



sublactea LeigM. = P. multipuncta JSiyl. 



sulphurea LeigM. = P. "Wiilfenii L>C. 



synearpa Mudd = P. dealbata JVyl. 



Westringii LeigM. = P. concreta JV-yl. 

 Phialopsis 



livida Mudd = Lecidea pulverea Borr. 

 Physcia 



aquila JS'yI. = ADajtycLia aqiiilo^. ZaMhr. 



candelaria Nyl. = Lecanora candelaria Ach. 



clirysoplithalma DC = Theloschistes cln-ysophthalmus Th. Fr. 



ciliaris DC. = Anaptychia ciliaris Mass. 



flayicans DC = Theloscliistes flavicaiis Mull. Arg. 



leucomelsena Midi. = Anaptycliia leucomelsena Wainio. 



lychnea Nyl. = Xanthoria lyclinea Th. Fr. 



parietina Be Not = Xanthoria parietina Th. Fr. 



speciosa Nyl. = Anaptychia speciosa Wainio. 



tenella Ach. - P. stellaris Nyl. 

 Placodium 



callopismum Ach. = Caloplaca callopisma Th. Fr. 



canescens DC. = Buollia canescens L>e Not. 



citrinu mAch. - Caloplaca ci.iina Th. Fr. 



elegans LC. = Caloplaca elegans Th. Fr. 



miniatum Hoffm. = Caloplaca mnrorum Th. Fr. 



murorum Hoffm. = Caloplaca muroriim Th. Fr. 



plumbeum Hooli. = Parmeliella phimbea TTaifiio. 



Tariabile Fers. = Caloplaca variabilis Th. Fr. 

 Platy gramma 



Hutcbiusise Leight. = Chiodecton Hiitcbinsise A. Zahlbr. 

 Platygrapba 



rimala Nyl. = Scbismatomma rimatum (^Fiht.) 

 Platysma 



diffusum Nyl. = Cetraria diffusa {Web.) 



glaucum Nyl. = Cetraria glauca Ach. 

 ssepincola Hoffm. = Cetraria saspincola Gray. 

 triste Leight. = Cetraria tristis ( Web,') 

 Porina 



ceuthocarpa Hook. = Pertusaria ceutbocarpa Turn. Sf Borr. 

 f allax Ach. = Pertusaria Wulf enii L) C. 



