232 



RESEARCHES ON FUNGI 



Fig. 97. — Coprlnus sterquilinus. Stages in the development of the fruit-body as 

 seen in vertical sections. A, a very young stage showing Inilbous stipe and a 

 pileus witli white gills without spores in a gill-cliarnber. B, a stage two days 

 later than A ; the stipe is elongating by intercalary growtli in tl\e region of tlie 

 pileus. The gills are white : the spores have been develojaed but their walls 

 are still unpigmented. Tlie annulus is being carried upwards on the base of 

 the pileus. C, a fruit-body, a few hours older. The stipe, which is attached 



