Hypholoma boughtoni Pk. 



BOUGHTON HYPHOLOMA 



1 Cluster of three immature plants 



2 Mature umbonate plant 



3 Mature plant without an umbo 



4 Vertical section of upper part of an immature plant 



5 Vertical section of upper part of a mature plant 



6 Transverse section of a stem 



7 Four spores, x 400 



92 



