1898-1902. No. 21.] LICHENS. 49 



Ai'thopyrenia MASS. 



Artliopyrenia analepta (Ace.) TH. FR. - TH. FR. A ret. p. 272. - 

 Greenl., Icel. --On bark. 



Arthopyrenia grisea (SCHLEICH.) TH. FR. - TH. FR. Arct. p. 272. - 

 Greenl., Icel. --On bark. 



Arthopyrenia kentrospora BRANTH. - - BR. Groenl. p. 511. - - Greenl., 

 Icel. -- On bark. 



Leptorhaphis KRB. 



Leptorhaphis epidermidis (AcH.) TH. FR. TH. FR. Arct. p. 273. - 

 Greenl.-- On bark. 



Segestrici FR. 



Segestria mammillosa TH. FR. - TH. FR. Arct. p. 262. Greenl. 

 On stone. 



Norma,ndina, NYL. 



Normandina viridis (Acn.) NYL. - TH. FR. Arct. p. 250. -- Greenl. 

 - Over earth. 



Dermatocarpon ESCHW. 



Denuatocarpon bottdarium NYL. - - BR. Groenl. p. 509. Greenl. - 

 On stone. 



Dermatocarpon cinereum (PERS.) TH. FR.- TH. FR. Arcfc. p. 256.- 

 Greenl., Spitsb., Icel. --Over earth. 



Dermatocarpon daedalemn KRPHLHR. - TH. FR. Arct. p. 255. - 

 Greenl. Over moss. 



Dermatocarpon hepaticum ACH. --Tn. FR. Arct. p. 255. - - Greenl., 

 Icel. Over earth and moss. 



Dermatocarpon miniatum (L.) SCHAER. - - TH. FR. Arct. p. 253. - 

 Am., Greenl., Icel., --Over rocks. 



Dermatocarpon rufescens ACH. - TH. FR. Arct. p. 254. --Greenl., 

 Icel. Over moss between rocks. 



Endocarpon HEDW. 



Endocarpon pulvinatum TH. FR. - - TH. FR. Arct. p. 257. -- Greenl., 

 Spitsb. - On rocks. 



