478 I'roccediiHjs of fhr Ohio State Academy of Science. 



K.^ Pileus conical or cam- 

 panulate. m a r g i n 

 straiglit from the 

 first. 



Galera (555) 

 K.- Pileus convexo-plane, 

 margin at first in- 

 rolled. 

 Naucoria (554) 

 J.- Lamellae decnrrent. 



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. sliglit 



annulus rarely formed Hypholoma (565) 



P).- 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 tisuall}- becoming convex or expanded, 

 margin at first inrolled ; stipe more or less 



rigid Psilocybe ( 566) 



A.- Spores black or Ijlackisli-lirown. 



B.^ Lamellae deliciue^cent at maturilv into an inl<\ tbiid or 

 into fine lines Coprinus ( 5')7) 



