COPRINUS LAGOPUS 



305 



pileus opens and flattens, ceasing to be prominent and becoming 

 more or less depressed ; white whilst cylindric-oval and before the 



Fig. 133. — Coprinus lagopus. To show variations in size of fruit-bodies grown from 

 spores on horse dung in a pure culture. The pilei of the three fruit-bodies on 

 the right are unexpanded, but those of the two on the left are expanding. The 

 pileus of the central fruit-body is full5- expanded, torn into rays, and revolute. 

 Tlie fugacious hairy scales on the pilei and the slender white fragile stipes are 

 characteristic for this species. Natural size. 



elongation of the stipe, owing to the presence of dense white down ; 

 becoming grey during expansion owing to the presence of black 

 spores on the enclosed gills ; and, finally, after the expansion of the 

 pileus, black or blackish, owing to the separation of the white down 

 into fugacious scales, the radial splitting of the gills, and the black- 

 ness of the spores showing through from below ; at first, before and 



V.IL. III. 



