1898-1902. No. 21.] LICHENS. 



Pertusaria D.C. 



Pertusaria carneopallida (NYL.) ANZI. DARBISH. Pert. p. 607. 

 Greenl., Icel. --On bark. 



Pertusaria communis (L.) D.C. - DARBISH. Pert. p. 598. - - Icel. - 

 On bark and wood, rarely on stone. 



Pertusaria coriacea TH. FR. - TH. FR. Scand. p. 318. Am.,Spitsb., 

 Icel. --Over moss and earth 



Pertusaria dactytina (Acn.) NYL. - - TH. FR. Scand. p. 310. Greenl., 

 Icel. Over moss and dead plants. E. P. S. N. Greenland. (3); King 

 Oscar Land, Goosefjord (39, 41, 46). 



Pertusaria deter tninanda DARBISH. - - E. P. S. N. King Oscar Land, 

 Goosefjord (48). --On stone. 



Pertusaria panyrya (Acn.) TH. FR. - TH. 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 TH. FR. - TH. FR. Scand. p. 306. - - Icel. - 

 On stone. 



Pertusaria Sommerfeltii (FLK.) NVL. - DARBISH. Pert. p. 607. - 

 Greenl. -- Over bark. 



Pertusaria subobducens NYL. - BRANTH Groenl. p. 756. -- Greenl. 

 Over moss, earth and dead plants.-- E. P. S. N. Ellesmere Land, Gape 

 Viele (10), Framsharbour (17), Bedford Pirn Island (20); North Lincoln 

 (23); King Oscar Land, Harbourfjord (25, 28), Goosefjord (3841, 46.50, 

 52, 53), Landsend (58), Hyperitodden (60), Braskerudslauen (63); North 

 Kent (64); North Devon (65). 



Pertusaria xanthostoma SMRFT. - TH. FR. Scand. p. 306. Icel. - 

 Over bark and moss. 



Varicellaria, NYL. 



Varicellaria rhodocarpa (KRB.) TH. FR. -- DARBISH. Pert. p. 631.- 

 Am. Over earth and moss, rarely rocks. 



Cundelaria MASS. 



Candelaria concotor (DICKS.) TH. FR. - TH. 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). 



