82 MINNESOTA BOTANICAL STUDIES. 



6. Cladonia raiigiferina (Linn.) Hoffm. F1. Germ. 114. 



1791. 

 On ground and old stumps, Taylor's Palls, {W. D. F., 

 Sept., 1893). Brainerd, {E. P. Sheldo7i, June, 1892). 

 Farm Island lake, Aitkin county, {E. P. Sheldon, 

 June, 1892). 



USNEEINyl. Syn. 1:265. 1860. 



7. Usnea barbata (Linn.) Pr. var florida Pk. L. E. 18, 



1831. 

 On conifers, Minneapolis ( W. D. F., April, 1892). Mille 

 Lacs lake {E. P. Sheldon, June, 1892). 



RAMALINEl Nyl. Syn. 1 : 277. 1860. 



8. Evernia prunastri (Linn.) Ach. L. U. 342. 1810. 



Dead trees, Osceola, Wis. {W. D. F., Sept., 1892). 



9. Bamalina calicaris (Linn.) Pr. L. E. 30. 1831. 



On Quercus macrocarpa MiCHX. Minneapolis ( W. D. F., 

 April, 1892), and Litchfield, Meeker county {W. D. F., 

 June, 1892). 



PELTIGEREI Nyl. Syn. 1:315. 1860. 



10. Peltigera aphthosa (Linn. ) Hoffm. PI. Germ. 2 : 107, 



1791. 

 On moss, Osceola, Wis. ( TF. D. F., Sept., 1892). 



11. Peltigera caiiina (Linn.) Hoffm. PI. Germ. 2:10.6 



1791. 

 On damp ground, Mille Lacs lake {E. P. Sheldon, June, 

 1892). 



12. Peltigera venosa (Linn.) Hoffm. PI. Germ. 2:107. 



1791. 

 On damp ground, Spicer, Kandiyohi county ( W. D. F., 



Aug., 1892). 



PARMELIEl Nyl. Syn. 1 : 332. 1860. 



13. Parmelia caperata (Linn.) Ach. Meth. 216. 1803. 



On Quercus, Minneapolis ( W. B. F. and E. P. Sheldon^ 

 May, 1892); Litchfield, Meeker county ( TF. D. F, 

 June, 1892; Pipestone, Pipestone county {Max Men- 

 zel, July, 1892); Mille Lacs county {E. P. Sheldon^ 

 1892). 



