200 



MORPHOLOGY. 



Fig. 232. 

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



Fig. 233. 



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

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



