LIST OF HIGHER SEED-PRODUCING PLANTS. 533 



Herb.: Sheldon 637, Waseca; Taylor 473, Janesville; 

 Taylor 683, Minnesota lake; Sandberg 311, Cannon Falls. 



PARTHENIUM Linn. Gen. 675 (1737). 



Villauova Ort. Dec. 47 (1800). 



Arg-yrochaeta Cav. Ic. IV, 54 (1797). 



Bolophyta Nutt. Trans. Phil. Soc. 2, VII, 347 (1841). 



Partheiiiasti-iiiu NissoL. Act. Par. (1711). 



Hysterophonis Vaill. Act. Par. 335 (1720). 



Tricliosperiuum P. Beauv. ex DC. Prodr. V (1836). 



Aiolotheca DC. Prodr. V, 508 (1836). 



Pai-riienlce T. and G. PI. Wright. IT, 85 (1845). 

 Baillon, Hist. PL VIII, 233; Benth. and Hook., Gen. PI. II, 351, 352; 

 Durand, Ind. Gen. Phan. 207: Engler and Prantl, Nat. Pflanz. IV, 5, 219 

 (Hoffmann). 



Living species: 11-12; N. America, Mexico, C. Amer- 

 ica and W. Indies; 1 also in S. America and introduced in 

 Mauritius. U. S., 5; E. Sts., 1; S. Sts., 2; PL Wheel., 1; W. 

 Tex., 5. 



Parthenium iiitegrifoliiim Linn. Spec. 988 (1753). 

 Wats, and Coult., Gray's Man. 6 ed. 272; Chap., Fl. S. St. 222; Up- 

 ham, F\. Minn. 78; Cov., FI. Ark. 194; Gray, Syn. Fl. I, 2, 245; Coult., Fl. 

 Tex. 208. 



North America: Ind. to Alabama; W. to Minn., Ills. 



and Texas. 



Minn, valley: Reported from the S. E. district; rare or 

 local; dry places in edges of woods or thickets. 



CYCh.iCHAENl Fresen. Ind. Hort. Frank. (1836). 

 Baillon, Hist. PL VIII, 287 {sub Im); Benth. and Hook. Gen. PL II, 

 353; Engler and Prantl, NaL Pflanz. IV, 5, 221 (Hoffmann); Durand, Ind. 

 Gen. Phan. 207. 



Living species: 3, W. United States. (Possibly better 

 combined as a separate section with Iva Linn.) 



Cyclachaeua xanthiifolia (Nutt.) Fresen. Ind. Sem. Hort. 

 Frank. (1836). 



Ivnxanthiifolia liiUTT. Gen. II, 185 (1818). 

 Euphrosyne xanthiifolia Gray, PI. Wright. II, 85 (1852). 

 Wats, and Coult., Gray's Man. 6 ed. 273; Mac, Fl. Can. I, 240; Webb., 

 Fl. Neb. 147; Upham, Fl. Minn. 78: Coult., Fl. Colo. 179; Engl. Hoffmann, 

 Nat. Ptlanz. IV, 5, 221; Gray, Syn. Fl. I, 2, 246. 



North America: Saskatchewan to Idaho and Washing- 

 ton; S. to Minn., Neb. and N. Mex. 



Minn, valley: Throughout; especially S. central and 

 S. W. districts; roadsides, banks and waste places. 



Herb. . Sandberg 131, Goodhue Co. ; Herh. Moyer 132, 

 Montevideo. 



