Physarella ohlonga (B, & C.) Morgan — Laboratory grounds and Little 

 Sioux river; on decaying wood. 



Fhysarum contextum Per. — Little Sioux river ; collected but once ; decay- 

 ing wood. 



Fhysarum leucopus Link. — Miller 's Bay ; common ; on decaying leaves in 

 wet places. 



Fhysarum nefroideum Rost. — Common ; chiefly on decaying bark. 

 Tilmadoche viridis (Bull.) Saec. — Woods at Estherville ; on decaying 

 wood. 



O/der STEMO'NITALES 



Comatricha stemonitis (Scop.) Shel. — Elm Crest; on decaying wood; a 

 large collection was made. 



Stemonitis fenestrata Eex. — Center lake; on decaying wood; large col- 

 lection. 



Stemonitis maxima Scliw. — > Center lake ; on decaying wood ; large col- 

 lection. 



Stemonitis Morgani Pk. — Center lake ; on decaying wood ; small collec- 

 tion. 



Stemonitis Smithii Maebr. — Miller's Bay; on decaying wood; several 

 collections. 



Order CRIBRABIALES 

 Dictydium cancellatum purpureum Macbr. — Elm Crest; on decaying wood; 

 found but once. 



Eeticularia lycoperdon Bull. — Arnold's Park; on decaying wood; one 

 collection. 



TuMfera ferruginosa (Batsch) Macbr. — 'Miller's Bay; on decaying wood; 

 found but once. 



Order LYCOGALALES 

 Lycogala epidendrunt (Buxb.) Fr. — Inn woods; Center lake; Little 

 Sioux river; on decaying wood. 



Order TRICHIALES 

 Arcyria cinerea (Bull.) Per. — ^Little Sioux river; decaying wood; one 

 collection. 



Arcyria denudata (L.) Sheld. — Common everywhere; on decaying wood. 

 Arcyria nutans (Bull.) Grev. — 'Miller's Bay; on decaying wood; small 

 collection. 



Hemitrichia clavata (Pers.) Rost. — Common; decaying wood. 

 Hemitrichia vesparium (Batsch) Macbr. — Estherville, Little Sioux river, 



Inn; on decaying wood, 

 Trichia persimilis Karst. — Miller 's Bay ; one collection ; on an old stump. 

 Trichia varia (Pers.) Rost. — Estherville, Little Sioux river, Center lake; 



on decaying wood. 



Class PHYCOMYCETES 

 Order PERONOSPORALES 

 Flasmopara viticola (B. & C.) Berl. — ^ Little Sioux river; on Vitis iml- 

 pina L. 



51 



