46 



STUDIES OF AMERICAN FUNGI. 



Figure 46. Panaeolus retirugis, section of caps showing form and position of 

 gills (natural size). 



drical, sometimes tortuous, smoky gray, light reddish brown, or 

 paler, sometimes entirely white, the lighter forms of the stem 

 accompanying the light forms of the pileus ; cartilaginous in texture, 

 becoming hollow, always darker below and paler above, smooth, 

 granulate with minute darker points, bulbous. The veil is very 



Fkujre 47. Pan JEolus retirugis, showing rugose character of cap in left- 

 hand plant (natural size). Copyright. 



