68 Journal of Agricultural Research voi. xii, no. 2 



Table XVI shows that the authors have obtained under the cultural 

 methods described 629 sporophores in the light and 11 in darkness, 640 

 in all, representing 4 families (Agaricaceae, Polyporaceae, Thelepho- 

 raceae, and Tremellaceae), 16 genera (Coprinus, Daedalea, Exidea, Fomes, 

 Ganoderma, Irpex, Lentinus, Lenzites, MeruUus, Panus (?) Pleurotus, 

 Polyporus, Polystictus, Poria, Stereum, and Trametes), 42 species, and 

 97 strains from 65 host species collected in 11 States. If the genera 

 given in North American Flora are used, there would be 24 genera, since 

 the following 8 genera would be added : Coriollelus, Elfvingia, Inonotus, 

 Laetiporus, Pycnoporus, Pyropolyporus, Spongipeilis, and Tyromyces. 



