Gill trama - inside of gills; tissue arrangement other than the hymenium & subhymenium; mediostratum is center zone of convergent or divergent gills

1. Convergent or inverse - rightside up V's
   (Pluteus, Volvariella)   
    
2. Divergent or bilateral - upside down V's; mediostratum usually evident
   (Amanita, Chroogomphus, Gomphidius, Hygrophoropsis, Hygrophorus, Limacella, Megatricholoma, Omphalotus, Paxillus, Phylloporus)   
    
3. Interwoven - entangled or irregular
   (Baeospora, Camarophyllus, Crinipellis, Lepiota, Lactarius, Marasmiellus, Marasmius, Micromphale, Neohygrophorus, Omphalina, Strobilurus)   
    
4. Parallel - hyphae vertical; regular
   (Collybia, Gloiophorus, Conocybe, Cystoderma, Gerronema, Hygrocybe, Inocybe, Tricholoma, Tubaria)   
    
5. Subparallel - subregular; almost parallel with some interwoven
   (Chlorophyllum, Gymnopilus, Hygrocybe, Leptonia,
   Mycena, Pholiota, Psathyrella)
   
    

 ©2001 D. DeShazer   Last updated March 06, 2004