356 



NATURAL HISTORY BULLETIN. 



Bridge, Dallas county, July 6, 1897, Shimek; Marshalltown, 

 May 1, 1897, No. 384, Pammel. 



56. C. rosea radiata Dezv. Sill. Jour, x, 276 (1826). 



Illus. Flora, i, 347; Gray's Man., 6th ed., 616; MacMillan, Metas. Minn. 

 Val., 112; Tracy, Fl. Mo., 94; 94; Upham, Fl. Minn., 49; Higley & 

 Raddin, Fl. Cook County, Ills., 136. 



Rare, drier ground in woods. Almost capillary, spikes 

 fewer, the 3 or 4 perigynia ascending. Not before reported 

 from Iowa. 



Johnson county, 1895, Shimek ; Ames, 1875, Bessey; Iowa 

 City, 1887, Hitchcock ; Emmet county, Aug. 28, 1897, Cratty; 

 Fort Dodge, July 5, 1897, Shimek. 



57. C. SPARGANIOIDES MuhL Willd. Sp. PI. IV, 237 (1805). 



Illus. Flora, 1, 348, fig. 839; Gray's Man., 6th ed., 616; Arthur, Fl. Iowa, 33; 

 Hitchcock, PI. Ames, 525; Tracy, Fl. Mo., 525; Bessey, Cont. Fl. Iowa, 

 124; Brendel, Fl. Peoriana, 62; Wheeler, Fl. Milwaukee County, Wis., 



187. 



Low ground, central, eastern and southern portions of the 

 state; rather rare. 



Charles City, June 1, 1875, Arthur; Ames, Hitchcock; 

 Poweshiek county, July, 1888, Norris; Scott and Muscatine 

 counties, Barnes & Miller ; Decatur county, May 24, 1897, 

 Fitzfatrick; Keokuk, June 1, and High Bridge, Dallas 

 county, July 5, 1897, Shimek. 



58. C. cephaloidea Dew. Rep. PI. Mass., 262 (1840). 



Illus. Flora, i, 348, fig. 840; Bailey in Gray's Man., 6th ed., 617. 



Rare, usually in quite dry ground. 



Swale near Le Claire, Scott county, 1896, Barnes & Mil- 

 ler. Determined by Prof. L. H. Bailey. This is the first 

 time so far as known to me that the true plant has been de- 

 tected within our limits. Nearly all the western plants here- 

 tofore referred to this species belong to C. gravida Bailey. 



59. C. cephalophora Muhl. Willd. Sp. PI. iv, 220 (1805). 



Illus. Flora, 1, 349, fig. S41; Gray's Man., 6th ed., 617; Arthur, Fl. Iowa, 

 33; Hitchcock, PI. Ames, 525; MacMillan, Metas. Minn. Val., in; 

 Tracy, Fl. Mo., 93; Bessey, Cont. Fl. Iowa, 124; Brendel, Fl. Peoriana, 

 62; Hale, Add. Fl. Wis., 5; Fink, Proc. Iowa Acad. Sci., iv, 106. 



