42 OTTO V. DARBISHIRE. [SEC. ARGT. 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- 

 harbonr (16). 



Acarospora fuscata (SCHRAD.) TH. FE. - 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 nwlybdina (WNBG.) MASS. TH. FR. Scand. p. 209. 

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



Acarospora Schleicheri A<:H. - TUCK. N. A. L. I. p. 202. - 

 Greenl. Over earth. 



Cyan ophiliales. 



Lichina AG. 



Lichina confinis (Sw.) AG. - 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 rnoss. 



Placynthium ACH. 



Placynihiwn 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, 



