Bulletin 



OF THE 



Illinois State Laboratory 



OF 



Natural History 



Urbana, Illinois, U. S. A. 



STEPHEN A. FORBES, Ph. D., L. E. D., 

 Director 



Vol. XI. November, 1917 Article VII. 



SOME EDIBLE AND POISONOUS MUSHROOMS 



BY 



Walter B. McDougall, Ph. D. 



