542 METASPERMAE OF THE MINNESOTA VALLEY. 
Wats. and Coult., Gray’s Man. 6 ed. 279; Webb., Fl. Neb. 146; Upham, 
Fl. Minn. 81; Coult., Fl. Colo. 187; Cov., Fl. Ark. 195; Gray, Syn. Fl. I, 2. 
276; Coult., Fl. Tex. 219. 
North America: Ohio to Minn., Dak. and Colo.; S. to 
Texas. 
Minn. valley: W. and central districts; moist prai- 
ries and open banks of streams. 
HERB.: Sheldon 1282, Lake Benton; Holzinger 126, Wi- 
nona Co.; Sandberg 329, Red Wing; Herb. Moyer 140, Monte- 
video. 
Helianthus laetiflorus Pers. Syn. II, 476 (1807). 
H. atrorubens LAM. Enc. Meth. ITT, 86 (1789). 
Wats. and Coult., Gray’s Man. 6 ed. 278; Webb. Fl. Neb. 146; Chap., Fl. 
S. St. 280; Cov., Fl. Ark. 195?; Gray, Syn. FI. I, 2, 275, 
North America: Ohio to W. Ga.; W. to Minn., Dak., 
Neb., Ark. ? and Tex. 
Minn. valley: S. central district; dry open places and 
edges of woods. 
HERB.: ?Sandberg 326, Red Wing- 
Helianthus rigidus (Cass.) Desr. Hort. Par. 3 ed. 184 
(1829). 
A. atrorubens Micux. Fl. N. Am. IT, 140 (1803) in part. 
H. diffusus Sims, Bot. Mag. 2020 (——). 
Harpalium rigidum Cass. Dict. XX, 200 (1826). 
Helianthus missuricus SPRENG. Syst. ITI, 618 (1826). 
H. scaberrimus Evi. Sk. II, 423 (1824). 
H, missouriensis and crassifolius Nutr. Trans. Am. Phil. Soc- 
VII, 366 (184). 
Wats. and Coult., Gray’s Man. 6 ed. 278; Webb., Fl. Neb. 146; Upham, 
Fl. Minn. 81; Mac., Fl. Can. I, 244; Coult., Fl. Colo. 186; Gray, Syn. FI. I, 
2, 274; Coult., Fl. Tex. 218. 
North America: Saskatchewan to Rockies; E. to Minn 
and Mich.; 8S. to Dak., E. Colo. and Tex. 
Minn. valley: Throughout; fields, banks of streams 
and roadsides or embankments. 
HERB.: Sheldon 1336, Lake Benton; Taylor 1021, Glen- 
wood; Taylor 944, Glenwood; Taylor 1021, Glenwood; Sheldon 
1283, Verdi, Lincoln Co.; Sheldon 1394, Lake Benton—flowers 
all ligulate; Kassube 137, Minneapolis; Oestlund 98, Minneapo- 
lis; Oestlund 99, Minneapolis; Holzinger 125, Winona bluffs; 
Sandberg 325, Goodhue Co.; Herb. Moyer 138, Montevideo; 
Sheldon 16014, Minneapolis. 
Helianthus petiolaris Nurr. Jour. Acad. Phil. II, 115 
(1821). 
H. patens Leum. Ind. Sem. Hamb. (1828). 
H. integrifolius Nutr. Trans. Am. Phil. Soc. VII, 636 (1841). 
