THE FUNGI WHICH CAUSE PLANT D1SEA8E 449 



Veil remaining attached to the margin of 

 the pileus, often not apparent in very 



old specimens 4. Hypholoma, p. 450. 



Veil inconspicuous or wanting 



Gills free 5. Pilosace. 



Gills decurrent 6. Deconica. 



Gills adnate or sinuate 

 Margin of pileus incurved when 



young 7. Psilocybe, p. 451. 



Margin of pileus always straight. ... 8. Psathyra. 



Phseosporese (Rusty-spored series) 



Annulus continuous 



Veil single, forming the annulus 1. Pholiota, p. 452. 



Veil double, forming the annulus and 



deciduous scales on the pileus 2. Rozites. 



Annulus arachnoid, filamentous or evanes- 

 cent, often not apparent in old speci- 

 mens 



Gills adnate; terrestrial 3. Cortinarius. 



Gills decurrent; epiphytal 4. Flammula, p. 452. 



Annulus wanting 

 Gills decurrent; stipe with a cartilaginous 



rind 5. Tubaria. 



Gills not decurrent 

 Stipe fleshy 

 Without a volva 



Pileus fibrinous or silky 6. Inocybe. 



Pileus smooth and viscid 7. Hebeloma. 



With a volva 8. Locellina. 



Stipe with a cartilaginous rind 

 Margin of pileus incurved when 



young 9. Naucoria. 



Margin of pileus straight 



Pileus viscid; gills free 10. Pluteolus. 



Pileus not viscid; gills attached. . . 11. Galera. 



Shodospores (Pink-spored series) 



Stipe lateral 12. Claudopus. 



Stipe central. ! 



Volva present; annulus wanting ] 13. Volvaria, p. 452. 



