94 OTTO V. DARBISHIRE. |SEC. ARCT. EXP. FRAM 
Psora demissa (Rutstr.) Tu. Fr.—Tu. Fr. Scand. p. 420. — Greenl., 
Spitsb., Icel. — Over earth and old wood. 
Psora globifera (Acu.) Ker. — Tu. Fr. Scand. p. 411.-— Greenl. — 
Over earth. 
Psora lurida (Sw.) Ker.— Tu. Fr. Scand. p. 413.—Greenl., Ice]. — 
Over earth. 
Psora rubiformis (Waut.) Fr.— Tu. Fr. Scand. p. 412. — Am., 
Greenl., Spitsb., Icel. 
Umbilicaria Hrrm. 
Umbilicaria Pennsylvanica (Hrrm.) — Hue Lich. Extra. n. 373. — 
Am., Green]. — On stone. 
Gyrophora Acu. 
Gyrophora anthracina (Wotr.) Ker. — Tu. FR. Scand. p. 165, — 
Am., Greenl., Spitsb. — On stone. — E. P.S. N. Ellesmere Land, Frams- 
harbour (15), Bedford Pim Island (19, 20), Brevort Island (22); North 
Lincoln (23); King Oscar Land, Harbourfjord (27), Goosefjord (88—40, 
48—50); Camp n. 30 (68). 
Gyrophora arctica Acu. — Tu. Fr. Scand. p. 161.— Am., Greenl, — 
Spitsb., Icel. — On stone. — E. P. S. N. Ellesmere Land, Framsharbour (17). 
Gyrophora corrugata (Acu.) Tu. Fr. — Tu. Fr. Scand. p. 161.— 
Icel. — On stone. 
Gyrophora cylindrica (L.) Aca. — Tu. Fr. Scand. p. 157.— Am., 
Grenl., Spitsb., Icel.— On stone. — E.P.S.N. Ellesmere Land, Frams- 
harbour (17); King Oscar Land, Harbourfjord (27), Goosefjord (38). 
Gyrophora deusta (L.) Fw. — Tu. Fr. Scand. p. 164.— Greenl. — 
On stone. 
Gyrophora discolor Tu. Fr. — Tu. Fr. Spitsb. p. 31.— Am., Greenl., 
Spitsb. — On stone. 
Gyrophora erosa (Wes.) Acu.— Tu. Fr. Scand. p. 159. — Am., 
Greenl., Spitsb., [cel. — On stone. — E. P. 5. N. Ellesmere Land, Beitstads- 
ford (7), Framsharbour (17). 
Gyrophora hirsuta Acu.—Tu.Fr. Scand. p. 155. — Greenl., Icel. 
— On stone. — E.P.S.N. Greenland (2); Ellesmereland, Bedford Pim 
Island (20); King Oscar Land, Harbourfjord (24), Goosefjord (40, 49). 
Gyrophora hyperborea (Hrru.) Mupp. — Tu. Fr. Scand. p. 160. — 
Am., Greenl., Spitsb.. Icel. — On stone. — E. P. S. N. Greenland (2); Elles- 
mereland, Framsharbour (15, 17); King Oscar Land, Harbourfjord (27), 
Goosefjord (38, 48). 
