[Vol. 6, 1910] 



174 



ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Explanation of Plate 



plate 3 



The figures of this plate have been reproduced natural size. 

 A cluster of two specimens viewed from above to show form of pileus. 

 A single specimen showing the lamellae and stem. 



Median vertical section through pileus and upper part of stem to show breadth 

 and attachment of the lamellae. 



Transverse section of the hollow stem. 



A very young fructification split lengthwise to show slightly inrolled margin of 



pileus and the absence of a veil or cortina. 



