Marasmius siccus Schw. — Elm Crest. 



Mycens pura Pers, — ■ Elm Crest, Arnold 's Park. 



Panus dorsalis Bosc. — Center lake. 



Parvus rudis Fr. — Elm Crest. 



Panus stypticus Fr. — Common on old stumps. 



* Panwolus campanulatus L. — Center lake woods, 

 Panceolus solidipes Pk. — Elm Crest, Center lake. 

 Pluteus cervinus Schaeff. — Center lake. Elm Crest. 

 Psathyrella disseminata Pers. — Inn woods. 

 Russula delica Fr. — Elm Crest. 



Eussula emetica Fr. — Center lake. Elm Crest, Arnold 's Park. 



Eussula roseipes (Seer.) Bres. — Elm Crest, Center lake. 



ScMzophyJlum commune Fr. ■ — • Common everywhere on decaying branches. 



StropJiaria stercoraria Fr. — Elm Crest. 



Order PHALLALES 

 Phallus impudicus L. — Center lake, Little Sioux river ; around old stumps. 



Order SCLEEODERMATALES 

 Sclerod-erma vulgare Fr. — ■ Elm Crest. 



Order NIDULAKIALES 

 Crucihulum vulgare Tul. — Inn woods, Little Sioux river. 

 Cyathus striatus HofPm. — Inn woods. 



Order LYCOPERDALES 

 Bovista pila B. & C. — Elm Crest. 

 Bovista plumhea Pers. — Miller's Bay. 

 Calvatia gigantea Batseh. — Little Sioux river. 

 Geaster limtatus Fr. — Estherville, Center lake. 

 Geaster saccatus Fr. — Center lake, Elm Crest. 



* Lycoperdon atropurpureum — West Okoboji woods. 

 Lycoperdon gemnnaium Batsch. — Miller 's Bay, 



* Lycoperdon molle Pers. — West Okoboji woods. 

 Lycoperdon pedicellatum Pk. — ' Miller 's Bay. 

 Lycoperdon pulcherrimum B. & C. — Center lake. 



Lycoperdon pyriforme Schaeff. — Common everywhere on decaying wood. 

 Mycena^tr.um spinulosum Pk. — Miller's Bay, head of West Okoboji lake. 



* Secotium Warnei Pk. — Spirit Lake and West Okoboji woods. 



The following additional species of fungi are reported by Arthur (loe. 

 cit.) : 



^cidium phrym^ Halst., on Pliryma leptostachya. 



Uromyces terebinthi (DC) Wint., on Ehus toxicodendron. (Reported as 

 U. toxicodendri.) 



No doubt many species will be added to this, as well as to other lists in 

 this paper. The appearance of the less persistent fungi is so uncertain, 

 and so dependent upon rainfall, that favorable seasons should add many 

 species to the list. 



Lichens. — Most of the lichens of this region are restricted to trees, A 



55 



