Fink: lichens of the northern boundary. 227 



236. Biatora chlorantha Tuck. 



On balsams in swamps, rare. Beaudette, June 21, 1901, no. 

 97a. 



Not previously reported from Minnesota. 



237. Biatora moriformis (Ach.) Tuck. 



On trees, rare. Warroad, July 2, 1901, no. 321. Tower, 

 August 29, 1901, no. 1877. 



Not previously reported from Minnesota. 



238. Lecidea goniophila Kbr. 



On rocks, rare. Flag island, July 12, 1901, no. 547. 

 Koochiching, July 29, 1901, no. 975. Tower, August 27, 1901, 

 no. 1824. 



Not previously reported from Minnesota, but perhaps should 

 be included in Lecidea enteroleuca Fr. 



239. Lecidea platycarpa Ach. 



On rocks, rare. Blueberry Island, July 13, 1901, nos. 596 

 and 602. Emo, July 20, 1901, no. 789. Tower, August 23, 

 1901, no. 1681 and August 24, 1901, no. 1750. 



240. Lecidea lapicida Fr. 



On rocks, rare. Emo, July 20, 1901, no. 785. Rainy Lake 

 City, August 5, 1901, no. 1211. 



241. Lecidea enteroleuca Fr. 



Common on trees and less frequent on rocks and old wood. 

 Beaudette, June 21, 1901, no. 90. Warroad, June 26, 1901, 

 no. 191, June 27, 1901, nos. 201 and 218, and June 28, 1901, 

 no. 231. Oak Island, July 9, 1901, nos. 444, 462 and 481. 

 Blueberry island, July 13, 1901, no. 601. Mainland, July 

 16, 1901, no. 629. Emo, July 22, 1901, nos. 798 and 818. 

 Koochiching, July 25, 1901, nos. 884 and 890, July 26, 1901, 

 no. 908 and July 27, 1901, nos. 950 and 954. Rainy Lake 

 City, August 1, 1901, no. 1079, August 2, 1901, nos. 1107 and 

 1118 and August 8, 1901, no. 1290. Kettle falls, August 

 9, 1901, no. 1319. Harding, August 20, 1901, no. 1649. 

 Tower, August 24, 1901, nos. 1753 and 1760. 



242. Lecidea enteroleuca Fr. var. theiloplaca Tuck. 



On wet rocks, rare. Harding, August 16, 1901, no. 1524. 

 Greenish cast of thallus and the wet habitat are unusual for 

 the species. 



