204 MORPHOLOGY. 



shown in fi^. 238. Finally, as shown in fii^. 2,59, this veil is 

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



Fig. 23s. 

 A^aricus campestris ; nearly mature plants, showing veil still stretched across the gill 

 cavity. 



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

 latter clinging hoth to margin of pileus ami lo stem. 



