Fink : LICHENS OF THE NORTHERN BOUNDARY. 195 



August 16, 1901, no. 1503. Tower, August 26, 1901, nos. 

 1795 and 1806. 



18. Alectoria jubata (L.) Tuck. 



On trees, especially cedars and tamaracks, in swamps, rare. 

 Warroad, July 5, 1901, no. 381. Emo, July 19, 1901, no. 726. 

 Rainy Lake City, August 7, 1901, no. 1259. Kettle falls, 

 August 13, 1901, nos. 1357 and 1449. Harding, August 20, 

 1901, no. 1631. Tower, August 26, 1901, no. 1778. 



19. Alectoria jubata (L.) Tuck. var. chalybeiformis Ach. 



On trees and old wood, frequent. Beaudette, June 19, 1901, 

 no. 39. Warroad, June 28, 1901, no. 247. Oak island, July 8, 

 1901, no. 393. Koochiching, July 27, 1901, no. 951 and July 

 29, 1 901, no. 978. Rainy Lake City, August 8, 1901, no. 1309. 

 Kettle falls, August 9, 1901, no. 1331 and August 13, 1901, no. 

 1418. Harding, August 20, 1901, no. 1655 and August 21, 

 1901, no. 1668. Tower, August 24, 1901, no. 1741. ■ 



20. Theloschistes chrysopthalmus (L.) Norm. 



On trees, rare. Le Clair, July 6, 1901, no. 381. Oak is- 

 land, July 10, 1901, no. 485, and July 11, 1901, no. 520. 

 Tower, August 28, 1901, no. 1865. 



21. Theloschistes polycarpus (Ehrh.) Tuck. 



On trees, common. Beaudette, June 18, 1901, no. 10. War- 

 road, June 25, 1901, no. 153. Oak island, July 10, 1901, no. 

 488. Emo, July 18, 1901, no. 701. Koochiching, July 25, 

 1901, no. 887 and July 31, 1901, no. 105 1. Kettle falls, August 

 14, 1901, no. 1467. Harding, August 17, 1901, no. 1568. 

 Tower, August 23, 1901, no. 1707. 



22. Theloschistes lychneus (Nyl.) Tuck. 



On trees and rocks, infrequent. Beaudette, June 21, 1901, 

 no. 87. Warroad, June 26, 1901, no. 181. Oak island; July 

 10, 1901, no. 502 and 516. Emo, July 20, 1901, no. 782. 

 Rainy Lake City, August 8, 1901, no. 1190. Harding, August 

 19, 1901, no. 1826. 



23. Theloschistes concolor (Dicks.) Tuck. var. effusa Tuck. 

 On trees, rare. Rainy Lake City, August 7, 1901, no. 1260. 



Kettle falls, August 14, 1901, no. 1474. Harding, August 20, 

 1901, no. 1619. 



24. Parmelia per lata (L.) Ach. 



On rocks and trees, infrequent. Koochiching, July 29, 1901, 

 no. 990. Rainy Lake City, August 5, 1901, no. 1214. Ket- 



