IOWA ACADEMY OF SCIENCES. 143 



Asplemiiim theli/pteroides Michx. 



Though a common fern eastward, it is not common in 

 this state. It occurs in rich woods. It extends further 

 westward than A. angustifoJium. 



Iowa: Waukon "not common" — E. Orr; Muscatine 

 County — MacIJride, lieppert ; Lansing — Miss Kiiif/. 



SouHE astern Wisconsin: La Crosi^e— F amine l. 

 AspleniioH Felix- foon'mn Bernh. Schrad. Neues Jou)"n Bot. 



12: 2o. 180(5. 



This is another of the widely distributed ferns of Iowa, 

 occurring in the Missouri and Mississippi river flood-plains; 

 most common in the eastern portion of the state. It is 

 found in deep, rich woods; specimens three feet high are 

 not uncommon. From Iowa it has extended into Missouri. 



Iowa: Wild Cat Den — Ball, Paminel and Reppert ; Ames — 

 Hitchcock, Besseij; Marshalltown -^Vi^'/^v/r/'; Monticello — 

 Besseij ; Wilton — Hitchcock; K\dova- Fr((zier; Armstrong— 

 Crattji; Keokuk — Rolfs; Winneshiek Oouwiy —Lewis; Polk 

 County — Besset/; three miles east of Waukon — E. Orr; 

 Steamboat Rock — Fawniel; Lansing —i//.s5 King. 



Wiscnsin: LaCross, Bloomingdale — Fenninel. 



Minnesota: Pine Cveek— Fa nnnel. 

 Camptosonts rhizophi/llns Link. Hort. Berol. 3: 69. 1833. 



This fern is confined chiefly to the Mississippi basin. In 

 northeastern Iowa and in Wisconsin this fern is found on 

 detached limestone rocks, at the base of bluffs. But at 

 Steamboat Rock and in Boone County, it occurs on the Car- 

 boniferous sandstone. 



Iowa: Allamakee County, "on detached fragments from 

 bluffs"— £". Orr; Des Moines River—f^esseg ; Wild Cat Den 

 — Pamnu'l and Reppert; Missouri Valley — Miss Crairford; 

 Monticello— /)o.r.se6'; Ledges, Boone Coimty 'Bessey, Miss 

 F. Church; Eldora — Frazier ; Wild Cat Den — Reppert; 

 Lansing — Miss King; Cedar U^,^^\d^— Buchanan. 



SouTSwESTERN WISCONSIN: Bloomiugdale — Miss Pam- 

 mel and Miss King ; Coon N?i\\Qy—Pammel; La Crosse 

 "limestone rocks" — Panunel. 



Minnesota: Pine Creek — Panunel. 



