144 CLAVIS AGAKICINOKUM, 



Margin at first involute 7. Colltbia. 



Margin at first straight 8. Mycena. 



* Plant tough, coriaceous, or woody. 

 f Stem central. 



Gills simple 13. MARASMIVS. 



Q-ills branched 16. XEROTUS. 



t Stem lateral or wanting. 



Gills tootlied 14. LBNTINUS. 



Gills not toothed 15. PANUS. 



GHls splitting longitudinally .... 17. SCHTZOPHYLLUM. 

 Gills anastomosing 18. LUNZITES. 



II. Spores rosy or salmon-colour. — Hyporhodii. 



* Without cartilaginous bark, 

 t Hymenophorum free. 



X With a volva 10. Yolvaria. 



X Without a volva. 



With a ring 11. Cham^ota. 



Eingless 12. Pltjteus. 



t Hymenophorum confluent. 

 X Stem central. 



Gills adnate or sinuate 13. Entoloma. 



Gills decurrent 14. Clitopilus. 



I Stem lateral or absent 15. Clatjdopus. 



* With cartilaginous bark. 



Gills decurrent 18. EcciiiA. 



Gills not decurrent. 



Gills subdeliquescent 3. BOLBITIUS. 



Pileus torn into scales 16. Leptonia. 



Pileus papiUose, subcampanulate. 



Gills membranaceous, persistent . . . ,17. Nolanea. 



III. Spores brown, sometimes reddish or yellowish-brown. — Dermini. 



* Without cartilaginous bark, 

 t Stem central. 



:j; With a ring. 



Eing continuous 19. Pholiota. 



Ring arachnoid, filamentous or evanescent. 



Gills adnate, terrestrial 4. CORTINARIUS. 



GiUs decurrent or acutely adnate, gene- 

 rally epiphytal 21. Flammula. 



X Without a ring. 



Gills adhering to the hymenophorum, and 



sinuate 20. Hebeloma. 



Gills separating from the hymenophorum, 



and decm-rent 6. PAXILL US. 



t Stem lateral or absent 22. Crepidotus. 



