1898-1902. No. 21.] LICHENS. 25 



Gyrophora MueJilenbergii ACH. - - Hue Lich. Extr. n.380. - - Am. - 

 On stone. 



Gyrophora polyphylla (L.) Fw. - TH. FR. Scaiul. p. 163. - - Greenl. 



- Icel. -- On stone. 



Gyrophora proboscidea (L.) ACH. - TH. FR. Scand. p. 162.-- Am ., 

 Greenl., Spitsb., Icel. - - On stone. - - E. P. S. N. King Oscar Land. Har- 

 bourfjord (27), Goosefjord (3840, 48-50). 



Gyrophora rugifera (NvL.) TH. FR. TH. FR. Scand. p. 156. - 

 Greenl. --On stone. 



Gyrophora sclerophylla NYL. - BR. Groenl. p. 490. - - Greenl. - 

 On stone. 



Gyrophora spodochroa (EHRH.) ACH. - TH. FR. Scand. p. 151. - 

 Greenl. --On stone. 



Gyrophora vellea (L.) ACH. - TH. FR. Scand. p. 153. - - Greenl., 

 Spitsb., Icel. --On stone. 



Toninia, MASS. 



Toninia fusispora (HEPP) TH. FR. - TH. FR. Scand. p. 334. - - Spitsb. 



- Moss, earth and loose rocks. 



Toninia squalida (SCHLEICH.) ACH.--TH. FR. Scand. p. 331. Greenl., 

 Icel. -- Over earth. 



Toninia syncomista (FLK.) TH. FR. TH. FR. Scand. p. 335. - 

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



Sphyridium Fw. 



Sphyridium byssoides L. - TH. FR. Scand. p. 328. - Icel. -Over 

 earth. 



Sphyridium placophyllum (WNBG.) TH. FR. Scand. p. 327. 

 Icel. - - Over earth. 



Stereocaulon SCHREB. 



Stereocaulon alpinum LAUR. - - TH. FR. Scand. p. 48. - Am., Greenl., 

 Spitsb., Icel. --Over rocks and earth. - - E. P. S. N. Greenland (3); Elles- 

 mereland, Alexandra Harbour (11), Cape Rutherford (14), Frams Harbour 

 (16, 17), Bedford Pirn Island (19); North Lincoln (23); King Oscar Land, 

 Harbourfjord (33), Goosefjord (39, 40, 50), Landsend (58) ; North Kent (64). 



Stereocaulon condensation HFFM. - TH. FR. Scand. p. 52. -Icel.- 

 Over earth. 



Stereocaulon coralloides FR. -- TH. FR. Scand. p. 44. - Am., Greenl. 



- On stone. E. P. S. N. Ellesmereland, Bedford Pirn Island (19). 



