474 I'rocrcdiiu/s of f/ic Oliio StaU' . leaclciay cj Snciuw 



A.- i'lanls Ik'.sliv or somewhat so; soon putresccnl. not reviving- 

 when niuislened. 

 L)/ Stipe eccentric, lateral or wanting-. .. .Pleurotus (513), 

 B." Stipe central or stihcentral. 



C.^ Edge of lamellae obtuse; lamellae thick or vein- 

 like. 

 D.^ Lamellae decurrent, usually dichotomous. 



Cantharellus (531) 

 D.- Lamellae not decurrent; plants parasitic on 



other Llymenomycetes Nyctalis (532) 



C.- Edge of lamellae acute. 



D.^ L^niversal veil membranous, usttally leaving a 

 volva at base of stipe, or more rarely break- 

 ing up into patches or scales which are evident 

 on surface of pileus. 

 E.^ Anntilus present as a ring abottt the stipe. 



Amanita ( 480) 



LL.- Annulus wanting Amanitopsis (,482) 



D.- Volva wanting. 



E.^ Annulus present. 



F.^ Pileus confluent with stii)e ; lamellae at- 

 tached Armillaria (491) 



E.- Pileus distinct and easily separating 

 from stipe ; lamellae usually free. 



Lepiota (482) 

 E.- Annulus wanting. 



F.'' Trama floccose (of interwoven tiliers). 

 G.^ Lamellae waxy, not easily splitting 

 into two layers. 



Hygrophorus (516) 

 G.- Lamellae fleshy, readily splitting intO' 

 two layers. 

 H.'' Stipe fleshy or fibrotis elastic, 

 confluent with pileus and of 

 same texture. 

 L^ Lamellae sinuate. 



Tricholoma (492> 



