Fink : LICHENS OF THE LAKE SUPERIOR REGION. 241 



are irregularly branched and with dilated terminal soredia like 

 /?. pollinaria (Acn.) TUCK. 



4. Ramalina pusilla (PREV.) TUCK. 



On trees, frequent. Grand Portage island, June 19, 1897, 

 no. 34. Snowbank lake area, July 20, 1897, no. 844. 



Not previously reported from Minnesota and new to the in- 

 terior of North America. 



5. Ramalina pusilla (PREV.) TUCK. var. geniculata TUCK. 



On trees, infrequent or rare. Gunflint, July 2, 1897, no. 375. 

 Beaver Bay, July 13, 1897, no. 675. 



Not previously reported from Minnesota and new to the in- 

 terior of the United States. 



6. Ramalina pollinarella NYL. 



On rocks, rare. Beaver Bay, July 13, 1897, no. 681. 

 Not previously reported from Minnesota and new to the in- 

 terior of North America. 



7. Cetraria aurescens TUCK. 



On trees, rare. Tofte, July 10, 1897, no. 636. Snowbank 

 lake area, July 21, 1897, no. 869. 



Not previously reported from Minnesota and new to the in- 

 terior of North America. 



8. Cetraria islandica (L.) ACH. 



On earth above the Palisades, rare, July 15, 1897, no. 765. 

 Not previously reported from Minnesota. 



9. Cetraria ciliaris (Acn.) TUCK. 



On trees, abundant on Grand Portage island, elsewhere only 

 rare or frequent. Grand Portage island, June 18, 1897, no. 10. 

 Gunflint, July 2, 1897, nos. 387 and 396 at Misquah hills, July 

 3, 1897, no. 427. Snowbank lake area, July 22, 1897, no. 

 883, and July 26, 1897, no. 948. Ely, July 28, 1897, no. 1022. 



10. Cetraria lacunosa ACH. 



. On trees, common. Top of bluff at south end of South Fowl 

 lake, June 26, 1897, no 206. Gunflint, July 2, 1897, no. 401. 

 Misquah hills, July 3, 1897, no. 442. Tofte (Carlton peak), 

 July 10, 1897, no. 556. Beaver Bay, July 14, 1897, no. 733. 

 Snowbank lake area, July 21, 1897, no. 946. 



Not noted at Grand Portage where the last above was abun- 

 dant, but seeming to replace it in part elsewhere, being com- 

 mon in the localities noted above. 



