142 Guide to Belfast. 



S. spongiosa Nyl. ex Carroll. — Head of Glenariff, the 

 only Irish locahty for this northern species. The beautiful 

 S. crocea of the Grampians is found in Ireland only on 

 Brandon Mountain. 



Stictina crocata (Z.) — On trees, mosses, etc., very 

 local ; Fair Head, Cushendall, Glenarm, and Belfast. 



S. intricata Nyl. var. Thouarsii Nyl. — Glenarm. 



Ricasolia laetevirens {Lii^ht.) — Glenarm 



Parmelia incurva (Pers.) — On rocks at Knocklayd. 



Physcia chrysophthalmia (L.) — On trees at New- 

 castle, and Cave Hill. 



P. lychnea Nyl. — On rocks, old pales, and trunks of 

 trees, Co. Antrim. 



Psoroma hypnorum ^ Fcz/z/.j — On mosses and earth, 

 near Belfast and Carnlough. 



Pannaria triptophylla {Acli.) — On trees in County 

 Antrim. 



P. carnosa {Dicks.) var. determinata Nyl. — A very 

 rare variety. Carnlough. 



Lecanora glaucocarpa IVahl. var. pruinosa IVahl. 

 — On a bleached bone of a sea-bird among sandhills at 

 Newcastle. 



L. lutescens (DC.) — Glenarm. 



L. lacustris With. — Slieve Bingian. 



L. poliophaea ll'ahl. — Barclay's Rock, Co. Down. 



L. holophaea Mont. — In the fissures of maritime rocks at 

 Island Magee and .^rdglass. 



L. helicopis IVahl. and L. albariella Nyl. — On 

 chalk at Glenarm and Garron Point. 



L. haematomma {Ehrh)—Y2iir Head and Glenarm. 



Pertusaria fallax {Pers.) — Glenarm and Belfast. 



P. velata {Turn.) — Ballygally Head. 



P. nolens {Nyl.) — A very rare species, which grows on 

 maritime rocks at Glenarm. The only other locality is 

 Lough Feagh, in Connemara. 



Urceolaria bryophila Nyl. — On mosses and Cladonias 

 in Deer Park at Belfast. 



Lecidea glaucolepidea Nvl. — A species confined to 

 Ireland. Crochan Mountain near Ballintoy. This immense 

 genus, with its 397 species, is well represented in the district. 



