148 C. H. Kaufman 



13. 1921 (appeared in 1923). The Mycological Flora of the Higher 



Rockies of Colorado. Papers Mich. Acad. Sci., Arts and Letters, 

 1:100-150. 



14. 1922. The Genus Armillaria in the United States and Its Rela- 

 tionships. Ibid., 2: 62. 



15. 1924. The Genus Lepiota in the United States. Ibid., 4: 311-344. 



16. Lange, Jakob E. 1917. Studies in the Agarics of Denmark, Part III. 



Dansk Botanisk Arkiv., 2: 18. 



17. MuRRiLL, W. A. 1910. North American Flora, 9; 171. 



18. Patouillard, N. 1883-1886. Tabulae Analyticae Fungorum. 



19. Rea, Carlton. 1922. British Basidiomycetes. 



20. RiCKEN, A. 1910-1915. Die Blatterpilze Deutschlands, Vols. I, II. 



21. Zeller, S. M. 1922. Contributions to our Knowledge of Oregon 



Fungi. Mycologia, 14: 173-199. 



