158 



period of most rapid growth, the pileus began to increase rapidly 

 in width, gaining at the same time only a little in length. The 



Fig. 1. Fanaeohis retirugis Fr. A group of plants from a lawn along a street. 

 The young plants at the left show the veil, which breaks into V-shaped loops and 

 clings to margin of the cap. [From Atkinson's Mushrooms, edible, poisonous, etc.] 



growth in width sometimes continued one or two days after the 

 stem had ceased to grow. In the early stages, there was a stout 



