Fig. 11. 



Fig. .2. 



Explanation of Figures. 

 Fig. 9. From A. P. Morgan, Ohio. Fig. 10. M. Maingaud, Ftnmv. 

 Fig. 11. C. G. Lloyd, Sweden. Fig. 12. N. Patouillard, France. 



LYCOPERDON UMBRINUM .* 



