150 IOWA ACADEMY OF SCIENCES. 



Iowa: North of Postville, ''common in heavy woods 

 throughout the county" - /(/'. Orr; Iowa City— Herb, S. U. 

 I.; Lansing~J//.s'.s Kiiuf ; North of Ames — Pamniel; Moul- 

 ton — Pawnicl; Sedan — Pauiutcl; Steamboat liock — Pam- 

 mel; Wayland— ('«rrer; Ames — IPifcJicocI: ; Marshalltown — 

 Stewart; Muscatine -Pcppert; Winneshiek County —Lrnv is; 

 Iowa City — Hitchcock; Ames, "dry woods" — TJwnias ; El- 

 dora — Frazier; Des Moines, Osceola County and Monroe- 

 County observed — Pamniel ; Des Moines — Mrs. Steavens. 



Southwestern Wisconsin: La Crosse — raiu)iiel ;^\oom- 

 ingdale — Ji/.s\s' Pauiiiiel and Miss King. 



Ositiunda ciunamomca L. Sp. PI. 1066. 1753. 



Rich, damp woods, not abundant. Near Steamboat Rock 

 on side hills; but in southeastern Minnesota on shady ^ 

 sandy banks of streams; in La Crosse and Trempleau 

 counties, Wisconsin, on sandy banks, and in Tamarack 

 swamps. 



Iowa: Muscatine County, "seems to be rare, as yet 

 found only in Lake township, in a wooded ravine on 

 'Chicken Creek' " — Repperi ; Steamboat Rock — Pammel. 



Southeastern Minnesota: Pine Creek — Pamniel. 



Southwestern Wisconsin: La Crosse — Pammel; Trem- 

 pleau county — Pammel. 



ORDER OPHIOGLOSSACEAE. 



Botrychium virginanum. Sw. Schrad, Journ. Bot. 2: 111.. 

 1800. 



Iowa: North of Postville, "heavy woods" — E. Orr; 

 Lansing — Miss King; North of Ames — Miss Paddock; 

 Ledges, Boone Co. — Pammel and Combs', Muscatine Co. — 

 Beppert; Eldora — Frazier; Ames — Hitchcock, Bessey, Pam- 

 mel; Des Moines — Mrs. Steavens. 



Southwestern Wisconsin: Bloomingdale — Miss Pammel 

 and Miss King. 



