322 Proceedings of the Royal Irish Academy, 
Lecidea contigua f. aggregata, Mudd. 
On schist stones in the wall of Tollymore Park : H. W. L. 
Lecidea contigua f. flavicunda, Ach. 
White Eiver Glen, on Slieve Donard : H. "W. L. 
Lecidea contigua f. hydrophila, Fr. 
On stones in water of the Bloody Burn on Slieve Donnrd : 
H. W. L. 
Lecidea contigues f . platycarpa, Fr. 
Carlingford Mountain : H. W. L. 
Lecidea decolorans, Ach. 
Hen Mountain : H. W. L. 
Lecidea diducens, Nyl. 
On large pebhles lying among the Sandhills near IS'ewcastle : 
H. W. L. 
Lecidea ferruginea, f. saxicola, Leight. 
Eosstrevor Mountain ; Maritime Kocks near Analong : H. W. L. 
Lecidea geographica, L. 
Slieve Donard, Slieve Bignian, Slieve Dermot, Thomas Moun- 
tain on Slieve Donard, Spinkwee River Glen : H. W. L. 
Lecidea lapicida, Fr. 
Thomas Mountain on Slieve Donard ; Slievenamaddy ; Tollymore 
Park : H. W. L. 
Lecidea lapicida, f . ochracea, Fr. 
Slieve Bignian : H. W. L. 
Lecidea lavata, Fr. 
Thomas Mountain on Slieve Donard ; Slieve Bignian ; Carling- 
ford Mountain : H. "W. L. 
Lecidea lavata, f . f errata, IN'yl. 
Slieve Bignian ; Carlingford Mountain : H. W. L. 
Lecidea limosa, Ach. 
Carlingford Mountain : H. W. L. 
