

Explanation of Figures. 



Fig. 7, From R. H. Denniston, Wisconsin. Fig. 8, Rev. C. Torrend, Por- 

 tugal. Fig. 9, Dr. Wm. Herbst, Pennsylvania. Fig. 10, Type of Lycoperdon 

 elegans in herbarium of A. P. Morgan. 



LYCOPERDON UMBRINUM. 



