360 NATURAL HISTORY BULLETIN. 



Southern and eastern. Not before reported from Iowa. 

 The species and these two varieties, though widely distrib- 

 uted throughout the state, are probably rather rare. 



Johnson county, 1888, Miss Linder ; Fayette county, 1894, 

 Fink; Spirit Lake, June 21, 18S1, Arthur. 



68. C. scoparia Schkuhr, Riedgr. Nacht., 20 (1806). 



Illus.. Flora, 1, 356, fig. 863; Bailey in Gray's Man., 6th ed., 620; Arthur, Fl. 

 Iowa, 33; MacMillan, Metas. Minn. Val., 10S; Brendel, Fl. Peoriana, 

 62; Hale, Add. Fl. Wis., 5; Bot. Surv. Neb., 111, 16; Fink, Proc. Iowa 

 Acad. Sci., iv, 106. 



Woods, probably throughout the state, but reported only 

 from the eastern half. Very variable like the rest of the 

 group. 



Penn twp., Johnson county, 1893, Cedar Rapids, 1894, and 

 Davenport, 1895, Shimek; Charles City, July, 1875, Arthur; 

 Eldridge, Scott county, 1897, Barnes & Miller. 



69. C. cristatella Britlou. Illus. Flora, 1, 357 (1896). 



C. crisiata Schwein. Ann. Lye. N. Y., 1, 66 (1824) not Clairv. (1S11). 



C. straminea var. cristata Tuck. Enum. Meth., 18 (1843). 



C lagopodioides var. crisiata Carey; Gray's Man., ist ed., 545 (1848). 

 Illus. Flora, 1. c, fig. 865; Gray's Man., 6th ed., 620; Arthur, Fl. Iowa, 34; 

 Hitchcock, PI. Ames, 525; MacMillan, Metas. Minn. Val., 109; Tracy, 

 Fl. Mo., 93; Brendel, Fl. Peoriana, 62; Bruhin, Fl. Wis., 27S; Webber, 

 App. Fl. Neb., 23. 



Low ground along streams, margins of lakes, and edges of 

 woods. Throughout but not plentiful. 



Emmet county, rare, Aug., 1890, C ratty ; Ames, Hitch- 

 cock; Scott and Mascatine counties, Barnes & Miller; Deca- 

 tur county, 1897, Fitzpatrick; Mt. Pleasant, Oct. 1, 1887, Br. 

 Mitte. 



70. C. fcenea Willd;, Enum. 957 (1809). 



C. adusta Gray's Man., 5th ed., 580 (1867), not of Boott. 

 Illus. Flora, 1,357; fig. 867; Gray's Man., 6th ed., 621 ; MacMillan, Metas. 

 Minn. Val., 108; Brendel, Fl. Peoriana, 88. 



Rare on moist prairies, central and eastern parts of the 

 state. 



Eldridge, Scott county, June, 1897, Barnes & Miller. Re- 



