42 OTTO V. DARBISHIRE. [SEC. ARCT. EXP. FRAM 



Thelocarpon NYL. 



Thelocarpon epibolum NYL. Hue Add. no. 1635. -- Greenl. - 

 On Solorina crocea. 



Acarospora MASS. 



Acarospora badiofusca NYL. - TH. Fr. Scand. p. 211. Greenl. 

 On stone. 



Acarospora chlorophana (WNBG.) MASS. - - TH. FR. Scand. p. 208. 

 Am., Greenl., Spitsb. On stone. - - E. P. S. N. Ellemereland, Frams- 

 harbour (16). 



Acarospora fuscata (SCHBAD.) TH. FR. - TH. FR. Scand. p. 215. - 

 Am., Greenl., Spitsb. On stone. E. P. S. N. King Oscar Land, Goose- 

 fjord (39). 



Acarospora glaucocarpa (WNBG.) KBR. TH. FR. Scand. p. 211. - 

 Am., Greenl., Spitsb. On stone. 



Acarospora molybdina (WNBG.) MASS. TH. FR. Scand. p. 209. - 

 Am., Greenl., Spitsb. --On stone. 



Acarospora Schleicheri ACH. - TUCK. N. A. L. I. p. 202. - 

 Greenl. Over earth. 



Cyan ophi'Iiales. 

 Lichina AG. 



Lichina confinis (Sw.) Ac. - TUCK. N. A. L. I. p. 133. - - Icel. 

 On stone. 



Ephebe FR. 



Ephebe pubescens FR. - TUCK. N. A. L. I. p. 132. -- Greenl., 

 Icel. - - Over rocks. 



Polychidium ACH. 



Polychidium muscicolum (Sw.) MASS. - TH. FR. Arct. p. 284. - 

 Greenl., Icel, -- Over moss. 



Placynthium ACH. 



Placynthium asperellum WNBG. - - TH. FR. Arct. p. 286. Am , 

 Spitsb. -- On stone. 



Placynthium nigrum ACH. - - TH. FR. Arct. p. 285. - - Greenl., 

 Icel. On rocks, very rarely over earth. E. P. S. N. King Oscar Land, 



