LICHENOLOGY OF ICELAND 123 
Solorina. 
S. bispora Nyl. (D. B., p. 203). 
Greenland. G. Brit. 
S. crocea Ach. (D. B.), p. 203). 
Greenland. G. Brit. 
S. saccata L. (D. B., p. 203). 
Greenland. G. Brit. 
PERTUSARIACEE. 
(Pertusaria). 
Pertusaria. 
P. communis DC. (D.B., p. 211). 
Not found in Greenland. G. Brit. 
P. coriacea Th. Fr. (D. B., p.211). 
Not found in Greenland. 
P. corallina (L.) Arn. 
On lava, Havnefjord in SW. Iceland, O. Galloe, 1913. New to Iceland. 
P. dactylina Ach. (D.B., p. 211). 
G. Brit. 
P. oculata Dicks. (D. B., p' 210, Lecanora). 
Greenland. G. Brit. 
P. rhodoleuca Th. Fr. (D. B., p. 211). 
Not found in Greenland. 
P. xanthostoma (Sommerf.) Fr. (D.B., p. 211). 
Not found in Greenland. G. Brit. 
LECANORACEE. 
(Haematomma, Lecania, Lecanora). 
Haematomma. 
H. coccineum (Dicks.) Koerb. 
On lava near Havnefjord, SW. Iceland, O. Galloe, 1913. New to Iceland. 
H. ventosum L. (D.B., p. 211, Lecania). 
Greenland. G. Brit. 
Lecania. 
L. athroocarpa (Dub.) Nyl. (D. B., p. 211). 
Not found in Greenland. G. Brit. 
L. cyrtella Ach. (D. B., p. 211). 
Not found in Greenland. G. Brit. 
Lecanora. 
L. albescens v. dispersa Pers. (D. B., p. 210). 
Not found in Greenland. G. Brit. 
