ii 4 AGARICACEAE 



2: Gill veil cobwebby, hanging curtain-like from the margin, often disappearing 

 completely with age Cortinarius 5: 889 



II. Gills separating readily from tbe hymenophore ; margin of cap persistently 

 involute Paxillus 5: 983 



Melanosporae 



5:991, 9:136, 11:69, 14:149. 16:112, 18:82 



Spores purple, dark-purple to black 



I. Spores purple or dark-purple 



1. Hymenophore discrete from stipe 



a. Stipe volvate at base 



(1) Stipe annulate Chitoniella 14:149 



(2) Stipe not annulate fChitonis 5:992 



(Chitonia, Clarkeinda) 



b. Stipe not volvate 



(1) Stipe annulate Agaricus 5: 993 



(2) Stipe not annulate: gills free Pilosace 5:1010 



2. Hymenophore continuous with stipe 



a. Stipe annulate Stropharia 5:1012 



b. Stipe not annulate ; margin sometimes cortinate 



(1) Margin of cap cortinate; rarely subannulate 



Hypholoma 5: 1027 



(2) Margin not cortinate 



(a) Gills decurrent Deconica 5:1058 



(b) Gills not decurrent 



x. Margin of cap indexed at first Psilocybe 5: 1043 

 y. Margin of cap straight Psathyra 5: 1060 



II. Spores dark or black, not purple 



1. Gills deliquescing Coprinus 5: 1078 



2. Gills not deliquescing 



a. Gills united above to the hymenophore 

 (1) Cap fleshy, fleshy-waxy or membranous 



(a) Gills waxy; spores globose, spiny 



Phaeohygrocybe 17:81 



(b) Gills not waxy 



x. Margin of cap with a viscid cobwebby cortina 



Phaeolimacium 16: no 

 y. Margin of cap not viscid-cortinate 

 (x) Spores globose to elliptic 

 m. Stipe annulate ; variegated gills exceeding the margin 



Anellaria 5: 1125 

 n. Stipe not annulate 



(m) Cap fleshy, not striate; variegated gills exceeding the margin 



Panaeolus 5: 1118 

 (n) Cap membranous, striate; uniform gills not exceeding the 

 margin Psathyrella 5: 1126 



