Wheeler : flora of southeastern aiixnesota. 413 



Rudbeckia laciniata L. Sp. PL 906. 1753. 



Coll. : Lyon 232, Crooked Creek ; Wheeler 542, Jefferson. 

 July, Aug. 

 Ratibida piniiata (Vent.) Barnhart, Bull. Torr. Club, 24: 

 410. 1897. 

 Coll. : Wheeler 374, Crooked Creek. July. 



Ratibida columnaris (Sims) D. Don; Sweet, Brit. Fl. Gard. 2: 

 361. 183S. 

 Coll. : Wheeler 536, Jefferson. Aug. 

 Not previously reported from eastern Minnesota. Rare, dry 

 banks. 

 Helianthus atrorubens L. Sp. PI. 906. 1753. 

 ColL : Wheeler 634, Brownsville. Aug. 

 Not previously reported from Minnesota. The only previous 

 collection known is that of Sandberg, Hennepin Co., Aug., 

 1889. 

 Helianthus scaberrimus Ell. Bot. S. C. & Ga. 2: 423. 1824. 

 Coll. : W^heeler 445, 528, Jefferson ; 579, Crooked Creek. 

 Aug. 

 Helianthus occidentalis Riddell, Suppl. Cat. Ohio PI. 13. 

 . 1836. 



Coll.: Wheeler 444, Lyon 322, Jefferson; Wheeler 511, 

 Winnebago. Aug. 

 Helianthus grosse-serratus INIartens, Sel. Sem. Hort. Loven. 

 1839. 

 Coll. : Wheeler 549, Jefferson. Aug. 

 Helianthus divaricatus L. Sp. PI. 906. 1753. 



Coll.: Wheeler 566, 576, Jefferson; 630 Winnebago. 

 Aug. 



Helianthus tracheliifolius Mill. Gard. Diet. Ed. 8, No. 7. 

 1768. 

 Coll. : Wheeler 603, Crooked Creek. Aug. 



Helianthus strumosus L. Sp. PL 905. 1753. 

 Coll. : Wheeler 632, Brownsville. Aug. 



Helianthus tuberosus L. Sp. PL 905. 1753. 

 ColL : Wheeler 567, Jefferson. Aug. 



Coreopsis palmata Nutt. Gen. 2: 180. 18 18. 



ColL: Lyon 160, Winnebago: 182, Crooked Creek. 

 June, July. 



