18 MUSHROOMS, EDIBLE AND OTHERWISE 



C. Plants corky or woody, 



Gills anastomosing Lenzites. 



II. Spores rosy or salmon color. 



A. Stem central. 



Gills free, stem easily separating from pileus. 

 Without cartilaginous stem, 



Volva present and distinct, no ring Volvaria. 



Without a volva, with a ring Annulana. 



Without a volva and without a ring . Pluteus. 



B. Stem fleshy to fibrous, margin of pileus at first in 

 curved, 



Gills sinuate or adnate Entoloma. 



Gills decurrent Clitopilus. tvn 



C. Stem eccentric or none, pileus lateral Claudopus. 



Gills decurrent, pileus umbilicate Eccilia. 



Gills not decurrent, pileus torn into scales, and slight- 

 ly convex, margin at first involute Leptonia. 



Pileus bell-shaped, margin at first straight Nolanea. 



III. Spores rusty-brown or yellowish-brown. 



A. Stem not cartilaginous, 

 o. Stem central, 



With a ring, 



Ring continuous Pholiota. 



Veil arachnoid, 



Gills adnate, powdery from spores Cortinarius. 



Gills decurrent or adnate, mostly epiphytal Flammula. 



Gills somewhat sinuate, cuticle of the pileus silky, or 

 bearing fibrils Inocybe. 



Cuticle smooth, viscid Hebeloma. 



Gills separating from the hymenophore and de- 

 current Paxillus. 



b. Stem lateral or absent Crepidotus. 



B. Stem cartilaginous, 



Gills decurrent Tubaria. 



Gills not decurrent, 



Margin of the pileus at 'first incurved Naucoria. 



Margin of pileus always straight, 



Hymenophore free Pluteolus. 



