LICHENS OF THE LAKE SUPERIOR REGION. 267 



island, June 21, 1897, no. 61, and June 23, 1897, no. 149. 

 Gunnint, June 30, 1897, no. 262. 



Not previously reported from Minnesota. 



183. Biatora sanguineoatra (FR.) TUCK. 



On earth common. Grand Portage island, June 19, 1897, 

 no. 21 and 28. Grand Portage, June 24, 1897, no. 181. Gun- 

 flint, June 30, 1897, no. 269, and July i, 1897, no. 359. Mis- 

 quah hills, July 5, 1897, no. 413. Tofte (Carlton peak), July 

 10, 1897, no. 578. Snowbank lake area, July 22, 1897, no. 884. 



Not previously reported from Minnesota. 



184. Biatora turgidula (FR.) NYL. 



On old wood, rare. Grand Portage island, June 18, 1897, 

 no. 14. 



Not previously reported from Minnesota. 



185. Biatora leucophaea (FI.OERK). 



On rocks, infrequent. Grand Portage, June 23, 1897, no. 

 139, and June 24, 1897, no. 187. Gunflint, July i, 1897, no. 306. 

 Not previously reported from Minnesota. 



186. Biatora leucophaea FLOERK var. griseoatra KOERB. 

 On rocks, rare. Grand Portage, June 24, 1897, no. 186. 

 Not previously reported from Minnesota and new south of 



Arctic America. 



187. Biatora uliginosa (SCHRAD.) FR. 



On earth, abundant near Disappointment lake. Beaver Bay, 

 July 13, 1897, no. 708. Snowbank lake area, July 24, 1897, 

 no. 944. Ely, July 28, 1897, no. 997. 



Not previously reported from Minnesota. 



188. Biatora sphaeroides (DICKS.) TUCK. 



On old wood, rare. Snowbank lake area, July 24, 1897, no. 

 944 a. 



Not previously reported from Minnesota. 



189. Biatora glauconigrans TUCK. 



On trees, rare. Gunnint, July i, 1897, no. 398. 

 Not previously reported from Minnesota and new west of 

 New England. 



190. Biatora arthropurpurea (MASS.) HEPP. 



On trees, rare. Grand Portage island, June 21, 1897, no. 

 56. Snowbank lake area, July 22, 1897, no. 811. Ely, July 

 28, 1897, no. 1007. 



