4 



Fig 3' 



Fig. 4. 



Fig. 6. 



Explanation of Figures. 



Fig. 3, Cortex enlarged. Fig. 4, Plants from R. B. Mackintosh, Massachu- 

 setts. Fig. 5, From H. B. Dorner, Indiana. Fig. 6, From Rev. J. M. Bates, Nebraska. 



LYCOPERDON TESSELLATUM.* 



