NUTRITION: MUSHROOMS. 



327 



Fig. 430. 

 Agaricus campestris. View of under side showing stem, annulus, gills, and margin of pileus. 



Fig. 431- 

 Agaricus campestris. Longitudinal section through stem and pileus. a, pileus; b, portion 

 of veil on margin of pileus ; c, gill ; f, fragment of anuulus ; e, stipe. 



