Fitik : lichens of the northern boundary. 193 



5. Ramalina pusilla (Prev.) Tuck. var. geniculata Tuck. 

 With the last. Warroad, July 2, 1901, no. 325. Koochi- 

 ching, July 27, 1901, no. 967. Rainy Lake City, August 3, 

 1901, no. 1149. 



6. Ramalina polymorphs (Ach.) Tuck. 



On rocks, rare. Rainy Lake City, August 5, 1901, no. 1203. 



7. Cetraria aurescens Tuck. 



On cedars in swamps, rare. Beaudette, June 20, 1901, no. 

 75. Warroad, June 29, 1901, no. 29. Mainland, July 16, 

 1901, no. 637. Koochiching, July 31, 1901, no. 1034. Kettle 

 falls, August 13, 1901, no. 1423. Harding, August 16, 1901, 

 nos. 1781 and 1798. 



8. Cetraria ciliaris (Ach.) Tuck. 



On trees, common, especially in swamps. Beaudette, June 

 18, 1901, nos. 23 and 30. Warroad, June 24, 1901, no. 270. 

 Oak island, July 8, 1901, no. 392. Koochiching, July 27, 

 1901, no. 944. Rainy Lake City, August 5, 1901, no. 1179a. 

 Kettle falls, August 9, 1901, no. 1334. Harding, August 19, 

 1901, no. 1569. Tower, August 27, 1901, no. 1834. 



9. Cetraria lacunosa Ach. 



On cedars in swamps, frequent. Beaudette, June 18, 1901, 

 no. 26. Warroad, July 5, 1901, no. 376. Emo, July 19, 

 1901, no. 739. Koochiching, July 29, 1901, no. 993. Kettle 

 falls, August 13, 1901, no. 1459. Harding, August 16, 1901, 

 no. 1517. Tower, August 26, 1901, no. 1772. 



10. Cetraria juniperina (L.) Ach. var. pinastri Ach. 



On trees, rare and wandering to rocks near by. Beaudette, 

 June 19, 1901, no. 35. Warroad, June 28, 1901^0. 240 and 

 July 4, 1901, no. 357. Oak island, July 10, 1901, no. 505. 

 Flag island, July 12, 1901, no. 546. Emo, July 25, 1901, no. 

 845. Koochiching, July 27, 1901, no. 960. Rainy Lake 

 City, August 2, 1901, no. mi. Kettle falls, August 9, 1901, 

 no. 1349. Harding, August 19, 1901, no. 1571. Tower, 

 August 23, 1901, no. 1689. 

 n. Evernia prunastri (L.) Ach. 



On trees, common on cedars and tamaracks in swamps and 

 wandering to rocks. Beaudette, June 18, 1901, no. 6. War- 

 road, June 27, 1901, no. 250. Oak island, July 9, 1901, no. 

 458 and July 10, 1901, no. 486. Emo, July 17, 1901, no. 641 

 and July 22, 1901, no. 822. Koochiching, July 26, 1901, no. 



