478 Proceedings of the Ohio State Academy of Science. 



K.^ Pileiis conical or cam- 

 panulate, margin 

 straight from the 

 first. 



Galera (555) 



K.- Pileus convexo-plane, 

 margin at first in- 

 rolled. 

 Naucoria (554) 

 J.- Lamellae decurrent. 



Tubaria (556) 



MELANOSPORAE. 



A.^ Spores purple or purple-brown. 

 B.^ Partial veil present. 



C.^ Veil forming an annulus. 



D.^ Lamellae free; pileus easily separating from 



stipe Agaricus (562) 



D.- Lamellae attached ; pileus continuous with stipe. 



Stropharia (564) 



C." Veil mostly appendiculate to margin of pileus, slight 



annulus rarely formed Hypholoma (565) 



B.- Partial veil absent, or soon evanescent. 



C.^ Lamellae free from stipe Pilosace (566) 



C.- Lamellae attached. 



D.^ Lamellae decurrent Deconica* 



D.- Lamellae not decurrent. 



E.^ Pileus conic to campanulate, margin straight 

 from the first; stipe fragile. 



Psathyra ( 567) 



E.- Pileus usually becoming convex or expanded, 



margin at first inrolled ; stipe more or less 



rigid Psilocybe (566) 



A.- Spores black or Ijlackish-brown. 



B.^ Lamellae deliquescent at maturity into an ink\- fluid or 

 into fine lines Coprinus (567) 



