IOWA ACADEMY OF SCIENCES. 213 



130. ('. at)iji/i//jo/(( Steiul. (('. (jrisra vai'. rnif/usfifolia 



Boott.) Kare; woods west of Estherville. 



131. C. crairei Dewey. A pretty little plant, but very 



rare in Iowa; N. E. corner, sec. 11, T. 99 N., 

 R. 31 W., one and one-half miles northeast of 

 Armstrong. 



132. C. griscd Wahl. Rare in woods, south shore of 



Iowa lake. 



133. C. mcadii Dewey. Very common on low prairies. 



134. C. hixi flora himida (Dew.) Boott. Frequent in 



woods. 



135. C. set/folia (Dew.) Britton. (C. c.btirnea Boott.) 



Rare; dry hillsides in woods. 



136. C. pennsij/vanica ]j^ni. Very common on upland 



prairies. Our earliest sedge. 



137. C. chordorh'izd L. f. Bog two and one-half miles 



north of Armstrong. A common higli northern 

 species barely coming within our limits. The 

 only known station in the state. 



138. C. stenophylla Wahl. Rare; dry ground; school- 



house block, Estherville. The station since des- 

 troyed. The only other known locality in the 

 state is in Lyon county (Prof. Sliimek.) 



139. C. stipafa Muhl. Common near water in low 



woods. 



140. ('. teretiuscula Gooden. Frequent in marshes. 



140. C. terefiuscula prairea Dewey. Bogs; more com- 



mon than the species. 



141. C. (/rarida Bailey. Very common in woods, and 



occasionally on open prairies. 



142. C. vulpinoidea Michx. Very common in low 



ground. 



143. C'. saiiwcUii Dewey. Infrequent on low prairies. 



Usually dicBcious. 



144. C. rosea Scbkuhr. Frequent, woods and prairies. 



145. C. rosea radiafa Dewey. Rare in dry woods. 



146. C. interior Bailey. Woods and prairies. Usually 



growing in dense tufts. 



147. C. trihuloides hehhii (Olney Baily.) Infrequent in- 



marshes. 



