Fomes fulvus (Scop.) Gill. — ^ Common everywhere; on plum. 

 Fomes fraxinopMlus Fr. — Miller 's Bay ; on green ash. 

 Fomes igniarius Fr. — Elm Crest ; on oaks. 



Fomes leucoplums Mont. — Elm Crest, Center lake ; on standing trees. 



* Fomes nigricans Fr. — West Okoboji woods. 



Polyporus adustus Fr. — > Elm Crest, Little Sioux river ; on decaying wood. 

 Poly poms hrumalis Fr. — Elm Crest, Little Sioux river ; on decaying 

 branches, 



Polyporus cinnaharinus Schw. — Center lake ; on decaying wood. 



* Polyporus flavovirens B. & Rav. — West Okoboji lake; rare. 

 Polyporus gilvus Schw. — Center lake ; on dead wood. 



* Polyporus gilvus var. scruposus (Fr.) — West Okoboji woods. 

 Polyporus picipes Fr. — ■ Little Sioux river ; on decaying branches. 

 Polyporus squamosus Fr. — Little Sioux river ; on living willow. 

 Polyporus sulpliureus Fr. — Center lake ; on dead wood. 

 Polystictv^ hirsutus Fr. — • Elm Crest, Center lake ; on decaying wood. 

 Polystictus versicolor Fr. — • Common everywhere ; on decaying wood. 

 Solenia ochracea Hoffm. — Little Sioux river ; on decaying wood. 



* Trametes PecMi Kal. — Little Sioux river; rare. 



Family Hydnacew 



* Kydnum ochraceum Pers. — West Okoboji woods. 

 Irpex carneus Fr. — ■ Elm Crest ; on decaying wood. 

 Irpex lacteus Fr. — ■ Elm Crest ; on decaying wood. 



Family Agaricacece 



Agaricus campestris L. — Elm Crest. 



Amanitopsis vaginata Bull. — Common everywhere. 



Armillaria mellea Vahl. — ^ Little Sioux river. 



Clitocy'be candicans Fr. — Elm Crest. 



Collyhia dryopMla Bull. — Elm Crest. 



Collybia platyphylla Fr. — Elm Crest. 



Collyhia radicata Rehl. — ' Elm Crest, Center lake. 



Copri7ius atramentarius Fr. — Elm Crest, Center lake, Little Sioux river. 



Coprinus contatus Fr. — Elm Crest. 



Coprinus micaceus Fr. — Center Lake, Elm Crest. 



Crepidotus versutus Pk. — ■ Elm Crest. 



Galera tenera Schaeff. — ■ Elm Ctest, 



* Heheloma erustuline forme Bull. — West Okoboji w^oods. 

 Hygrophorus miniatus Fr. — Arnold 's Park, Elm Crest, Center lake. 



* Hygrophorus praterisis (Pers.) Fr. — West Okoboji woods. 



* EypJioloma Candolleanum Fr. — ■ West Okoboji woods. 



* Lentinus tigrinus (Bull.) — West Okoboji woods. 

 Lepiota acutesquamosa Wein. — Inn woods. 



* Lepiota cristata A. & S. — ' West Okoboji woods. 

 Marasmius campanulata Pk. — Elm Crest. 

 Marasmius rotula Fr. — Elm Crest. 



54 



