204 



MORPHOLOGY. 



shown in fig. 238. Finally, as shown in fig. 239, this veil is 

 ruptured by the expansion of the pileus, and it either clings 



Fig. 238. 



Agaricus campestris ; nearly mature plants, showing veil still stretched across the gill 

 cavity. 



Fig. 239- 



Agaricus campestris ; under view of two plants just after rupture of veil, fragments of the 

 latter clinging both to margin of pileus and to stem. 



