496 BULLETIN 168. (36) 



sharp knife. At the right of each of these buttons in the figure 

 is shown a section of a plant of the same age. Here the parts of 

 the plant though still undeveloped are quite well marked out. 

 Just underneath the pileus layer are the gills. In the section 



85. Coprinus comatus, removed from soil. (Natural size.} 



one gill is exposed to view on either side. They are long, narrow, 

 and taper at each end. In the section of the larger button the 

 free edge of the gill is still closely applied to the stem, while in 



