Fink: lichens of the northern boundary. 199 



363. Emo, July 18, 1901, no. 697. Oak island, July 10, 1901, 

 nos. 489 and 495. Koochiching, July 26, 1901, no. 925 and 

 July 31, 1901, no. 1052. Rainy Lake City, August 5, 1901, 

 no. 1 184. Kettle falls, August 9, 1901, no. 1326 and August 

 15, 1901, no. 1483. Harding, August 19, 1901, no. 1595. 

 Tower, August 23, 1901, nos. 1695 and 1704. 



44. Physcia stellaris (L.) Tuck. var. apiola Nyl. 



On rocks, rare. Oak island, July 9, 1901, no. 451. Rainy 

 Lake City, August 15, 1901, no. 1098. 



45. Physcia astroidea (Fr.) Nyl. 



On rocks, infrequent. Oak island, July 8, 1901, no. 388 and 

 July 10, 1901, nos. 501 and 510. Emo, July 22, 1901, no. 

 795. Koochiching, July 26, 1901, no. 906 and July 31, 1901, 

 no. 1042. Tower, August 27, 1901, no. 1818. 



46. Physcia trihacia (Ach.) Tuck. 



On trees and rocks, infrequent. Le Clair, July 6, 1901, no. 

 382. Blueberry island, July 13, 1901, nos. 577 and 580. 

 Emo, July 22, 1901, nos. 796 and 797. Koochiching, July 

 25, 1901, no. 885 and July 31, 1901, no. 1044. Harding, 

 August 17, 1901, no. 1555. Tower, August 23, 1901, nos. 

 1685 and 1705 and August 27, 1901, no. 1816. 



47. Physcia hispida (Schreb., Fr.) Tuck. 



On trees and rocks, infrequent. Beaudette, June 19, 1901, 

 no. 36. Warroad, June 25, 1901, no. 172. Le Clair, July 6, 

 1901, no. 384. Oak island, July 10, 1901, no. 497. Emo, 

 July 18, 1901, no. 717. Koochiching, July 25, 1901, no. 860 

 and July 31, 1901, no. 1047. Rainy Lake City, August 1, 

 1901, no. 1077 and August 7, 1901, no. 1249. Tower, August 

 24, 1901, no. 1725. 



48. Physcia caesia (Hoffm.) Nyl. 



On rocks, infrequent. Koochiching, July 31, 1901, no. 1048. 

 Rainy Lake City, August 1, 1901, no. 1070, August 1, 1901, 

 no. 1262 and August 8, 1901, no. 1297. Harding, August 20, 

 1901, no. 1618. 



49. Physcia obscura (Ehrh.) Nyl. 



On trees and rocks, frequent. Beaudette, June 18, 1901, no. 

 8 and June 24, 1901, no. 136. Warroad, June 25, 1901, no. 

 156 and July 4, 1901, no. 364. Oak island, July 9, 1901, no. 

 450. Emo, July 19, 1901, no. 727 and July 20, 1901, nos. 793, 

 and 803. Koochiching, July 26, 1901, no. 924 and July 31, 



