1 2 1 OLAF GALL0K 



L. alphoplaca Wahlenbg. (D. B., p. 209, Squamaria). 

 Greenland. G. Brit. 



L. alpina Sommerf. 



On Liparite, Hlitiarfjall near Mvvaln, N. Iceland: erratic blocks on 

 the mountains east of Ofjord; on stones in Almannaj;'i, S\V. Iceland. 

 O. Galloc, 1913. New to Iceland. 



L. atra (Huds.) Ach. (D. B., p. 210). 

 (ireenland. G. Hrit. 



L. atriseda Fr. (D. B., p. 210). 

 Not found in Greenland. G. Brit. 



L. atrosulphurea (Wahlenbg.) Ach. (D. B., p. 210, L. varia.' forma). 



L. badia (Pers.) Th. Fr. (D. B., p. 210). 

 Greenland. G. Brit. 



L. calcarea (L.) Sommerf. 



On basalt, Reydarfjord in E. Iceland, O. Gall0e, 1913. New to Iceland. 



L. cartilaginea Westr. (D. B., p. 208, Squamaria). 

 Not found in Greenland. G. Brit. 



L. castanea (Hepp.) Th. Fr. (D. B., p. 210). 

 Not found in Greenland. 



L. chrysoleuca Sm. (D. B., p. 209, Squamaria) f. rubina Vill. and 



melanophthalma Nyl. 

 Greenland. G. Brit. 



L. cinerea (L.) Sommerf. (D. B., p. 210). 

 Greenland. G. Brit. 



L. cinereo-rufescens Dicks. (D. B., p. 211). 

 Greenland. G. Brit. 



L. coarctata v. ornata Sommerf. (D. B., p. 210). 

 G. Brit. 



L. frustulosa (Dicks.) Koerb. (D. B., p. 209). 

 (ireenland. G. Brit. 



L. gelida (L.) Ach. (D. B., p. 20<S, Squamaria). 

 Greenland. G. Brit. 



L. gibbosa (Ach.) Nyl. (D. B., p. 210). 

 Greenland. G. Brit. 



L. Hageni (Ach.) Koerb. (D. B., p. 209). 

 Greenland. G. Brit. 



L. lacustris Wither. (I). B., p. 211). 

 Greenland, G. Brit. 



L. pallescens (L.) Scha>r. (D. B., p .211) with var. parella L and 



Upsaliensis L. 



(ireenland. G. Brit. 



L. poliophaea Wahlenbg. (I). B., p. 209). 

 G. Bril. 



L. polytropa Khrh. (D. B., p. 210, L. variae forma). 



