1898-1902. No. 21.] LICHENS. 23 



Rhizocarpon RAM. 



Rhizocarpon calcareum (WEIS) TH. FR. TH. FR. Scand. p. 631. 

 Spitsb., Icel. On stone. E. P. S. N. King Oscar Land, Goosetjord (39). 



Rhizocarpon chioneum (NORM.) TH. FR. TH. FR. Scand. p. 620. 

 E. P. S. N. King Oscar Land, South Cape (34). On stone. 



Rhizocarpon endamyleum TH. FR. TH. FR. Scand. p. 627. On 

 stone. 



Rhizocarpon geminatum (Fw.) TH. FR. TH. FR. Scand. p. 623. - 

 Am., Greenl., Spitsb., Icel. On stone. E. P. S. N. Greenland (2, 3) ; 

 Ellesmereland, Beitstadsfjord (7), Lastraea Valley (9), Framsharbour (15 

 -17); King Oscar Land, Harbourfjord (24,2628), Goosefjord (3842 

 4850), Vendom Kap (55); North Devon (66). 



Rhizocarpon geographicum (L.) D.C. -- TH. FR. Scand. p. 622. - 

 Am., Greenl., Spitsb., Icel. On stone. E. P. S. N. Greenland (2); Elles- 

 mereland, Fort Juliana (5), Beitstadsfjord (7), Framsharbour (16); King 

 Oscar Land, Harbourfjord (24, 26-28), Bjerneborg (35), Goosefjord 

 (38-42, 4850), Vendom Kap (55). Landsend (58); North Devon (66), 

 Cardiganstrait (67); Camp no. 30(68). 



Rhizocarpon grande FLK. - - TH. FR. Scand. p. 624. Am. On 

 stone. 



Rhizocarpon Oederi (WEB.) KRB. TH. FR. Scand. p. 626. Greenl. 

 On stone. 



Rhizocarpon petraeum WULF. - TH. FR. Arct. p. 235. Greenl., 

 Spitsb., Icel. On stone. 



Catolechia Fw. 



Catolechia ladia (FR.) KBR. - - TH. FR. Scand. p. 588. Icel. - 

 On stone. 



Catolechia epigaea (?ERS) TH. FR. - - TH. FR. Scand. p. 587. - 

 Greenl. Over earth. 



Catolechia pulchella (SCHRB.) TH. FR. TH. FR. Scand. p. 588. - 

 Am., Greenl. On stone. 



Psora HFFM. 



Psora cinereorufa (SCHAER.) TH. FR. -- TH. FR. Scand. p. 419. - 

 Greenl., Icel. On stone. 



Psora decipiens (HRH.) KRB. TH. FR. Scand. p. 418. Am., Greenl., 

 Spitsb., Icel. Over earth. E. P. S. N. King Oscar Land, Harbourfjord 

 (26, 28), Goosefjord (41). 



