IOWA ACADEMY OF SCIENCES. 147 



Aspidii(77i Lonchitis Sw.^chrsid. Jourii. Bot. 2: 30. 1800 



Iowa: Des Moines River, collector unknown. It is 

 iiiore than probable that this specimen is not from Iowa. 

 It bears an old label and was placed in the collection by 

 Dr. Besse5^ Its occurrence in Iowa would be remarkable. 

 It is a northern fern, of the Lake Superior region. It is 

 not mentioned by Prof. Shimek, who has been a close 

 observer and student of ferns. 



Cystopteris hulhifera Bernh. Schrad. Neues. Journ. Bot. 

 12; 26. 1806.' 



This fern is confined to the Mississippi River basin, 

 occurring in deep, shaded ravines in the vicinity of streams 

 and small brooks, on sandstone rocks, sandy soil or in 

 loamy moist soil. It is most abundant in northeastern 

 Iowa. 



Iowa: Allamakee County, "common" — E. Orr; Iowa 

 'City — Shimek; Myron — Miss Kim/; Lansing — Miss King; 

 G\mtoi\—Fammel ; Lebanon — Sample; Eldora — Frazier; 

 Muscatine County — Reppert; Monticello — Bessey ; Ackley — 

 Canaron; Winneshiek County, "from limestone bluffs at 

 ■Cold water Cave" — Lewis; Charles City — Arthur; Iowa City 

 —Hitchcock. 



Southwestern^ Wisconsin: Bloomingdale — Miss Pam- 

 mel and Miss King; La Crosse — Pammel; Rockton — Fam- 

 mel. 



d/stopteris frag it is. Bernh. Schrad. Neues Journ. Bot. 

 12; 27. 1806. 



This is the most widely distributed of all our ferns, 

 -occurring in the Mississippi and Missouri river basins. It 

 is common in all our rich woods, less frequent, however, 

 in the Missouri. 



Iowa: Ames — Bessey, Hitchcock; Mason City, "under 

 limestone cliffs" — Arthur; Monticello, i^essey; Winneshiek 

 County— Lewis; Muscatine County — Reppert; Eldora — 

 Frazier; Steamboat Rock — Miss King; Cedar Rapids— 

 Fanimel; Grundy Center — Miss Faddock; Ledges, Boone 

 County — Pammel; Moingona — Fammel; Allamakee County, 



