~e 2 NATURAL HISTORY BULLETIN. 



47. C. stipata Muhl. Willd. Sp. PI. iv, 253 (1805). 



Illus. Flora, I, 343, flg. 823; Gray's Man., 6th ed., 614; Arthur, Fl. Iowa, 33; 

 MacMillan. Metas. Minn. Val., 115; Tracy, Fl. Mo., 94; Brendel, Fl. 

 Peoriana, 62; Wheeler, Fl. Milwaukee Co., Wis., 187; Rydberg, Fl. 

 Sand Hills, Neb., 185: Williams, Grass, and For. PI. Daks., 43; Fink., 

 Proc. Iowa Acad. Sci., IV, 105. 



Wet marshy ground, usually in woods; common throughout. 

 The plants are very weak when growing in water, but in 

 drier ground they are less flaccid, with narrower leaves. 



Emmet county, 1882, Cratty; Fayette county, 1895, Fink; 

 Iowa City, Hitchcock; Shelby count)-, 1894, and Johnson 

 county, 1895, Fitzpatrick ; Jasper county, May, 1886, JVbrris; 

 Scott and Muscatine counties, Barnes & Miller ; Ames, Bes- 

 sey; Keokuk, June 1, 1897, Shimek. 



48 C. crus-corvi Shnttleiv. Kunze, Riedg., Suppl. 128 



(1844). 



Illus. Flora, 1, 343, fig. 824; Bailey in Gray's Man., 6th ed., 614; Arthur, 

 Cont. Fl. Iowa, in; MacMillan, Metas. Minn. Val., 115; Tracy, Fl. Mo., 

 92; Brendel, Fl. Peoriana, 62; Hale, Add. Fl. Wis., 5; Webber, Fl. 

 Neb., 98. 



Low ground, southeastern section of the state; one of the 

 most conspicuous species of the genus, and rather rare within 

 our limits. 



Clinton county, 1878, Butler ; Page county, 1888, Hitch- 

 cock; borders of Muscatine slough, Reppert ; Muscatine Island, 

 Louisa county, Aug. 7, 1897, Shimek & Meyers. 



49. C. terktiuscula Good. Trans. Linn. Soc, 11, 167 

 (I794-) 



Illus. Flora, 1, 344, fig. 827; Bailey in Gray's Man., 6th ed., 614; Arthur, 

 Cont. Fl. Iowa, iv; MacMillan, Metas. Minn. Val., 114; Brendel, Fl. 

 Peoriana, 62; Rydberg, Fl. Sand Hills, Neb., 185. 



Rare in bogs; northern and central portions of the state. 

 Also common in northern Europe. 



Emmet county, 1878, Cratty: Ames, 1880, Besscy ; Grin- 

 nell, 1877, Jones. 



