AGARICALES H^ 



12. Lamellae decurrent ; plant terrestrial. Cantharellus. 

 Lamellae adnate ; plant parasitic on other Agarics. Nyctalis. 



13. Lamellae normally toothed on their edges ; stem central, eccentric or 



lateral. Lentinus. * 



Lamellae entire ; stems central. I4. 



— stems lateral or wanting. le. 



14. Lamellae simple ; pileus firm and dry. Marasmius. 



— pileus somewhat gelatinous. Heliomyces. 



Lamellae branched. Xerotus. 



15. Lamellae simple ; plant leathery. Panus. * 

 Lamellae deeply splitting, villous. SCHIZOPHYLI.UM. 

 Lamellae channeled or crisped, smooth. Trogia. 



(Pink-spored Series.) 



16. Volva present ; annulus wanting. Volvaria. 

 Volva wanting ; annulus present. Annularia. 

 With neither volva nor annulus. 1 7. 



17. Lamellae free from the stem. Pluteus. 

 Lamellae adnate or sinuate ; stem fleshy. Entoloma. 



— stem with a cartilaginous rind. 18. 



Lamellae decurrent on the stem ; stem fleshy. Ci.iToriLUS. 



— stem with a cartilaginous rind. EcciLiA. 



18. Pileus torn into scales. Leptonia. 

 Pileus papillose, subcampanulate. Nolanea. 



(Rusty-spored Series.) 



19. Annulus continuous Pholiota. 

 Annulus arachnoid, filamentous or evanescent, often not apparent in 



older specimens. . 20. 



Annulus wanting. 2 1 . 



20. Lamellae adnate ; plants terrestrial. Cortinarius. 

 Lamellae decurrent ; plants mostly epipyhytal. Flammula. 

 Lamellae deliquescent, almost separate from the stem. Bolbitius. 



21. Lamellae decurrent, easily separating; stem fleshy. Paxillus. 



— stem with a cartilaginous rind. TuBARIA. 



Lamellae not decurrent ; stem fleshy. 22. 



— stem with a cartilaginous rind. 23. 



* Some species oi Lentinus with entire gills can scarcely be distinguished 

 from Panus ; some of the more fleshy forms of the latter are quite close to 

 some forms of /y^z^rc//^^ / Panics and Lentinus are sometimes united in 

 one genus, 



