84 



[Proc. B.N.F.O,, 



Physcia pareitina De Not. On maritime rocks, Whitepark 

 Bay and the Causeway. 



P. aquila Nyl, On maritime rocks, Causeway. 



P. stellaris Nyl. On branches of trees, Whitepark Bay. 



Lecanora lobulata Somm. On maritime rocks, Causeway. 



Z. Turneriana Nyl. On basaltic rocks N. Antrim (Glover). 



Z. vitellinula Nyl. Frequent on the chalk at Whitepark 

 Bay, and occasionally on the basalts at Benevenagh. 



Z. galactina Ach. On the chalk, Whitepark Bay, and on 

 mortar of old walls at the Causeway. 



Z. glaucoma Ach. On the basalts, Benevenagh. 



Z. umbrina Nyl. On rocks at the Causeway. 



Z. prosechoides Nyl. On rocks about high tide-level, 

 Causeway. 



Z. Hageni Ach. On basaltic rocks, Whitepark Bay. 



L.parella Ach. Rocks and old walls, Benevenagh; abundant. 



Z. pallescens Nyl. On Birch bark, Benevenagh. 



Z. smaragdula Nyl. On rocks, Whitepark Bay. 



Z. pruinosa Nyl. Abundant on limestone pebbles, White- 

 park Bay. 



Z. pruinosa, var. immersa Fr. Frequent ; with the species. 



Lecidea protrusa Fr. On rocks, Benevenagh. 



Z. albocoerukscens Ach. Frequent on rocks along the 

 Causeway headlands. 



Z. confluens Ach. On rocks, Benevenagh and Causeway 

 headlands. 



Biatorina lenticularis Koerb. On chalk pebbles on the 

 sand-hills, Whitepark Bay. 



Bilimbia Naegelii Anzi. On bark of trees, Benevenagh. 



Bacidia arceutina Branth. and Rostr., var. hyphaea A. L. Sm. 

 On rocks, Whitepark Bay. 



B. umbrina Branth. and Rostr. On rocks, Causeway head- 

 lands and Benevenagh. 



Buellia aethalea Th. Fr. On rocks, Causeway headlands. 



