PLATE XIII. 



HYPOGiEI. 



•IG. 



1. Octaviana asterosperma, 



(sjioivs magnified.) 



2. Hydnangium carotrecolor, 

 (spores magnified.) 



3. Kbizopogon rubescens, 



(natural size.) 



4. Melanogaster ambiguus, 

 (section enlarged.) 



5. Hymenogaster tenor, 

 (natural size ; with section.) 



G. Hymenogaster vulgaris, 

 (spores magnified.) 



