Fink: the lichens of Minnesota. 695 



9. Theloschistes concolor (Dicks.) Tuck. 



On trees. "War Road river, June, 1894, no 500a. Gar- 

 den island. June, 1894, no. 644a. 



10. Parmelia borreri Turn. 



On trees. American islands, July, 1896, no. 5. 



11. Parmelia borreri Turn. var. rudecta Tuck. 



On trees. American islands, July, 1896, no. 50. 

 Not previously reported from Minnesota. 



12. Parmelia saxatilis (L.) Fr. 



On trees. Main land, Huggins landing, July, 1894, no. 

 1538. Massacre island, July, 1894, no. 2622. Flag island, 

 Aug., 1894, no. 2895a. American island, July, 1896, no. 3. 



The plants are frequently fruited, as are several ob- 

 tained by the writer at Taylors Falls. Further south in 

 Minnesota and Iowa the plant seldom, if ever, fruits. 



13. Parmelia olivacea (L.) Ach. 



On trees. Big island, July, 1894, no. 22456. American 

 islands, July, 1896, no. 6. 



14. Parmelia caperata (L. ) Ach. 



On trees. Shoal Lake island, July, 1894, no. 1040 

 American islands, July 1896, no. 4. 



15. Parmelia conspersa (Ehrh.) Ach. 



On granitic rocks. Big island, July, 1894, nos. 2156 

 and 2182. Massacre island, July, 1894, no. 2616. Island 

 near Northwest angle, Aug.. 1894, no. 3224. American 

 islands, July, 1896, no. 2. 



Finely fruited here and at Taylors Falls. Further 

 south in Minnesota and Iowa seldom fruited. 



16. Physcia pulverulenta (Schreb.) Nyl. 



On wood. American islands, July, 1896, no. 19. 

 Not previously reported from Minnesota. 



17. Physcia stellaris (L.) Fr. 



On trees and dead wood. War Road river, June, 1894, 

 no. 5006. Garden island, June, 1894, no. 644. Big island, 

 July, 1894, no. 2245a. American islands, July, 1894, no. 

 2273a. American islands, July, 1896, no. 21. 



18. Physcia tribacia (Ach.) Tuck. 



On trees. American islands, July, 1896, no. 20. 

 Not previously reported from Minnesota. 



