LICHENOLOGY OF ICELAND 125 
L. protuberans Sommerf. v. carneopallida Nyl. (D. B., p. 210). 
Greenland. G. Brit. 
L. saxicola (Poll.) Stenh. (D. B., p. 209, Squamaria). 
Greenland. G. Brit. 
L. sordida (Pers.) Th. Fr. v. glaucoma (Hoffm.) Th. Fr. (D. B., p 209). 
G. Brit. 
L. straminea Wahlenbg. (D. B., p. 209, Squamaria). 
Greenland. 
L. subfusca (L.) Ach. (v. coilocarpa Ach., Hypnorum (Wulf.) Schær., 
glabrata Ach., rugosa Pers., atrynea Ach.) (D. B., p. 209), 
Greenland. G. Brit. 
L. tartarea L. (D. B., p. 211). 
Greenland. G. Brit. 
L. varia (Ehrh.) Nyl. (D. B., p.210, with var. symmicta Ach., po- 
lytropa Ehrh., intricata Schrad., atrosulphurea Wahlenbg., leptacina 
Sommerf.). 
Greenland. G. Brit. 
L. verrucosa Ach. (D. B., p.211). 
Greenland. G. Brit. 
PARMELIACEFE. 
(Cetraria, Parmelia). 
Cetraria. 
C. aculeata Fr. (D. B., p. 200). 
Greenland. G. Brit. 
C. cucullata Bell. (D. B., p. 204). 
Greenland. G. Brit. 
C. Fahlunensis (L.) Scher. (D. B., p. 204). 
Greenland. 
C. hiascens (Fr.) Th. Fr. 
On earth on mountains near Hüsavik, N. Iceland; on mountains 
east of Ofjord, O. Galloe, 1913. New to Iceland. 
C. Islandica Ach. with var. crispa Ach. and Delisei Bory. (D. B., 
p. 203). 
Greenland. G. Brit. 
C. nivalis (L.) Ach. (D. B., p. 203). 
Greenland. G. Brit. 
C. sæpincola (Ehrh.) Ach. with v. chlorophylla Humb. (D. B., p. 204). 
Greenland. G. Brit. 
Parmelia. 
P. alpicola Th. Fr. (D. B., p. 205). 
Greenland. 4G. Brit. 
