282 



STRUCTURE AND LIFE HISTORIES 



FIG. 206. A pore-bearing fungus (Polyporus betulinus). Under (fruit- 

 ing) surface, showing the pores. 



FIG. 207. Giant puffballs (Lycoperdon giganteum Botsch.). Note the 

 size of the four specimens as compared with the egg and fruit in the center. 

 (After W. A. Murrill.) 



