122 OLAF GALLØE 
Psoroma. 
P. (Lecanora) Hypnorum (Hoffm.) Ach. (D. B., p. 209, Squamaria). 
Greenland. G. Brit. 
STICTACEÆ. 
(Sticta). 
Sticta. 
St. scrobiculata Scop. (D. B., p. 203). 
Greenland. G. Brit. 
PELTIGERACEE. 
(Nephroma, Peltigera, Solorina). 
Nephroma. 
N. arcticum L. (D. B., p. 203). 
Greenland. 
N. expallidum Nyl. (D. B., p. 203). 
Greenland. 
N. laevigatum v. parile Ach. (D.B., p. 203). 
Greenland. G. Brit. 
"N. tomentosum Hoffm. (D. B., p. 203). 
Greenland. G. Brit. 
Peltigera. 
P. aphtosa L. (D. B., p. 202. 
Greenland. G. Brit. 
P. canina (L.) Fr. (D. B., p. 202). 
Greenland. G. Brit. 
P. horizontalis L. 
Empetrum-heath, Seydisfjord, O. Galloe, 1913. New to Iceland. 
P. lepidophora Nyl. 
On volcanic tuff near Ljösavatn farm, N. Iceland; heaths near Einar- 
stadir, N. Iceland; heath near Myvatn, N. Iceland; mountain-heath near 
Hüsavik, N. Iceland; mountain-heath near Öfjord, N. Iceland. O. Gallge, 
1913. New to Iceland. 
P. malacea (Ach.) Fr. (D. B., p. 202). 
Greenland. G. Brit. 
P. polydactyla f. collina Ach. (D. B., p. 202). 
Greenland. G. Brit. 
P. rufescens Fr. (D. B., p. 202). 
Greenland. G. Brit. 
P. venosa (L.) Hoffm. (D. B., p. 203). 
Greenland. G. Brit. 
