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.) 
