258 MINNESOTA BOTANICAL STUDIES. 



On trees common locally. Grand Portage island, June 19, 

 1897, no. 25. Misquah hills, July 5, 1897, no. 501. Tofte 

 (Carlton peak), July 10, 1897, no. 575. 



A puzzling plant with exciple commonly entire or excluded 

 and looking quite as much like forms of L. szihfusca (L.) Ach. 

 or L. varia. (Ehrh.) Nyl. Spores reaching sixteen in asci. 



Not previously reported from Minnesota and new to the in- 

 terior of North America. 



119. Lecanora elatina Ach. 



On trees, rare. Tofte, July 10, 1897, no. 638. 

 Not previously reported from Minnesota and new to the in- 

 terior of North America. 



120. Lecanora pallescens (L.) Schaer. 



On trees, infrequent or rare, but widely distributed. Mis- 

 quah hills, July 3, 1897, no. 412, and July 5, 1897, no. 494. 

 Tofte (Carlton peak), July 10, 1897, no. 592. Beaver Bay, 

 July 13, 1897, no. 674. Two Harbors, July 17, 1897, no. 798. 

 Snowbank lake area, July 21, 1897, no. 864, and July 27, 

 1897, no. 973. 



Not previously reported from Minnesota. 



121. Lecanora tartarea (L.) Ach. 



On rocks, rare. Ely, July 28, 1897, no. 988. 

 Not previously reported from Minnesota. 



122. Lecanora cinerea (L.) Sommerf. 



On rocks, common or abundant. The thallus varying in 

 color from ash-color to a dull black. Grand Portage (Mt. 

 Josephine), June 19, 1897, no. 39. Grand Portage island, 

 June 21, 1897, no. 74. Gunflint, June 30, 1897, nos. 285, 293a, 

 295 and 300. Misquah hills, July 5, 1897, nos. 458, 468 and 

 493a. Tofte (Carlton peak), July 10, 1897, nos. 615 and 622. 

 Palisades, July 15, 1897, no. 752. Beaver Bay, Jul}'^ 15, 1897, 

 no. 778. Snowbank lake area, July 20, 1897, no. 833. Ely, 

 July 28, 1897, no. 990. 



123. Lecanora cinerea (L.) Sommerf. var. laevata Fr. 



On rocks, rare. Grand Portage, June 23, 1897, no. 94. 

 Gunflint, June 30, 1897, no. 286. Misquah hills, July 5, 1897, 

 no. 471. Snowbank lake area, Jul}^ 20, 1897, no. 836. 



124. Lecanora cinerea (L.) Sommerf. var, gibbosa Nyl. 



On rocks, rather rare. Grand Portage island, June 23, 1897, 

 no. 79. Gunflint, July i, 1897, no. 309a. Misquah hills, July 

 5, 1897, no. 472. 



