2l6 NEW YORK STATE MUSEUM 



Hypholoma incertum Pk. 



Uncertain Hypholoma 



i Cluster of three young plants 



2 Immature plant, showing fragments of the veil on margin of cap 

 3-5 Three mature plants 



6 Vertical section of the upper part of an immature plant 



7 Vertical section of the upper part of a mature plant 



8 Transverse section of a stem 



9 Four spores X 400 



Hypholoma perplexum Pk. 

 Perplexing Hypholoma 



10 Cluster of six plants 

 1 1. 12 Two mature plants, one with cap fully expanded 



13-15 Vertical sections of the upper parts of three plants, showing variation in 

 color of the gills according to age 



16 Transverse section of a stem 



17 Four spores x 400 



