Fink : LICHENS OF THE NORTHERN BOUNDARY. 209 



in. Lecanora muralis (Schreb.) Schaer. var. garovaglii Anz. 



On rocks, locally common. Koochiching, July 31, 1901, no. 

 1039. 



Not previously reported from Minnesota. 



112. Lecanora pallida (Schreb.) Schaer. 



On cedars and tamaracks in swamps, frequent at the second 

 .ocality. Beaudette, June 19, 1901, no. 54. Warroad, June 

 28, 1901, nos. 228 and 232. 



113. Lecanora frustulosa (Dicks.) Mass. 



On rocks, infrequent. Oak island, July 11, 1901, no. 521. 

 Blueberry island, July 13, 1901, no. 600. Oak island, July 

 15, 1901, no. 614. Rainy Lake City, August 1, 1901, no. 

 1087. Kettle falls, August 15, 1901, no. 1488. 



Some of the smaller material suggests forms of Lecanora 

 subfusca (L.) Ach. 



114. Lecanora subfusca (L.) Ach. 



On trees, common. Beaudette, June 18, 1901, no. 21 and 

 June 20, 1901, no. 74. Warroad, June 26, 1901, no. 195 and 

 July 5, 1901, no. 384. Emo, July 18, 1901, no. 687. Koochi- 

 ching, July 25, 1901, no. 888. Rainy Lake City, August 5, 

 1901, no. 1180. Kettle falls, August 9, 1901, no. 1347. 

 Harding, August 19, 1901, nos. 1589 and 1605 and August 

 20, 1901, no. 1628. Tower, August 28, 1901, no. 1680. 



115. Lecanora subfusca (L.) Ach. var. allophana Ach. 



On cedars in swamps, common. Beaudette, June 22, 1901, 

 nos. 113 and 124. Warroad, July 1, 1901, no. 307. Emo, 

 July 17, 1901, no. 649. Harding, August 19, 1901, no. 1572. 

 Tower, August 26, 1901, nos, 1783 and 1797. 



116. Lecanora subfusca (L.) Ach. var. argentata Ach. 



On trees, rare. Beaudette, June 21, 1901, no. 109. War- 

 road, June 25, 1901, no. 155. Rainy Lake City, August 8, 

 1901, no. 1279. 



117. Lecanora subfusca (L.) Ach. var. coilocarpa Ach. 



On cedars in swamps, rare. Beaudette, June 19, 1901, no. 

 53. Warroad, July 1, 1901, no. 312. 



118. Lecanora variolascens (Fr.) Nyl. 



On trees, frequent. Beaudette, June 21, 1901, no. 108. 

 Warroad, June 26, 1901, no. 174. Oak island, July 9, 1901, 

 no. 452. Emo, July 19, 1901, no. 746. Koochiching, July 

 25, 1 901, no. 861. Kettle falls, August 14, 1901, no. 1463. 



