1898—1902. No. 21.] LICHENS. 99 
Pertusaria D.C. 
Pertusaria carneopallida (Nyu.) Anzi. — Daresisn. Pert. p. 607. — 
- Greenl., Icel. — On bark. 
Pertusaria communis (L.) D.C.— Darsisu. Pert. p. 598. — Icel. — 
On bark and wood, rarely on stone. 
Pertusaria coriacea Tu. Fr. — Tu. Fr. Scand. p.318. — Am., Spitsb., 
Tcel. — Over moss and earth. 
Pertusaria dactylina (Acu.) Nyt. — Tu. Fr. Scand. p. 310.—Greenl., 
Ice]. — Over moss and dead plants. — E. P.S.N. Greenland (3); King 
Oscar Land, Goosefjord (39, 41, 46). 
Pertusaria determinanda Darsisu. — E. P.S. N. King Oscar Land, 
Goosefjord (48). — On stone. 
Pertusaria panyrga (Acn.) Tu. Fr. — Tu. Fr. Scand. p. 308. — 
Greenl. — Over dead plants and earth. — E.P.S.N. Ellesmere Land, 
Framsharbour (17); King Oscar Land, Harbourfjord (24), Goosefjord (41). 
Pertusaria rhodoleuca Tu. Fr. -- Tu. Fr. Scand. p. 306. — Icel. — 
On stone. 
Pertusaria Sommerfeltti (Fix.) Nyt. —- Darsisu. Pert. p. 607. — 
Greenl. — Over bark. 
Pertusaria subobducens Nyt. — Brantu Groenl. p. 756. — Greenl. 
— Over moss, earth and dead plants. — E. P.S. N. Ellesmere Land, Cape 
Viele (10), Framsharbour (17), Bedford Pim Island (20); North Lincoln 
(23); King Oscar Land, Harbourfjord (25, 28), Goosefjord (88—41, 46, 50, 
52, 53), Landsend (58), Hyperitodden (60), Braskerudslauen (63); North 
Kent (64); North Devon (65). 
Pertusaria wanthostoma Surer. — Tu. Fr. Scand. p. 306. — Icel. — 
Over bark and moss. 
Varicellaria Nyt. 
Varicellaria rhodocarpa (Krs.) Ta. Fr. — Darsisu. Pert. p. 631.— 
Am. — Over earth and moss, rarely rocks. 
Candelaria Mass. 
Candelaria concolor (Dicxs.) Ta. Fr. — Tu. Fr. Scand. p. 147. — 
Am. — Over bark, earth and stone. — E. P.S. N. Ellesmere Land, Frams- 
harbour (17); King Oscar Land, Harbourfjord (24), Goosefjord (39). 
