FLOWERING I'l LNTS A.ND PERNS OF INDIANA. 987 



Johnson (Barnes); Gibson and Posey (Schneck); Jay, Dela- 

 ware, Randolph and Wayne (Phinney); Jefferson (J. M. Coulter); 

 Franklin (Meyncke); Vigo and Monroe (Blatchley); Fayette 

 (Hessler). 



H. giganteus L. Tall or Giant Sunflower. 



In swamps and wet meadows in many counties. Rather com- 

 mon in the localities in which it occurs. 



Flowering season from middle of August until October. 



Laporte (Barnes); Clark (Baird and Taylor); Gibson and Posey 

 (Schneck); Jay, Delaware, Randolph, and Wayne (Phinney); No- 

 ble (Van Gorder); Hamilton and Marion (Wilson); Vigo (Blatch- 

 ley); Steuben (Bradner). 



H. GR088E-8ERRATUS Martens. Saw-toothed Sunflower. 



Dry soil in prairies and along roadsides and in fence-rows. In 

 suitable locations it becomes very tall, Mr. Blatchley reporting 

 a specimen twelve feet high. 



Flowering season, August and September. 



Jasper (Barnes); Vigo (Blatchley); Jay, Delaware, Randolph, 

 and Wa}me (Phinney); Gibson and Posey (Schneck); Tippecanoe 

 (Cunningham); Marion (Wilson). 



H. divaricatus L. Rough or Woodland Sunflower. 



A characteristic form of easy recognition found in considerable 

 abundance in many counties. It is most abundant in dry, light 

 woods, although often found along the banks of streams. Upper 

 leaves frequently in whorls of three. 



Flowering season, July through September. 



Tippecanoe (Cunningham); Kosciusko (Coulter); Cass (Hess- 

 ler); Daviess (Clements); Floyd (Clapp); St. Joseph (Barnes); 

 Clark (Baird and Taylor); Franklin (Meyncke); Noble (Van Gor- 

 der); Vermillion (Wright); Lake; Vigo (Blatchley); Steuben 

 (Bradner). 



H. mollis Lam. Hairy Sunflower. 



Found in dry, sandy or sterile soil in various parts of the State. 

 Easily recognized by the pubescence of the leaves, although ex- 

 tremely variable in our area. The character and amount of the 

 pubescence varies in the individual plant in different stages of its 

 growth. 



Flowers August and September. 



Harrison and Jasper (Barnes); Vigo (Blatchley); Gibson and 

 Posey (Schneck); Tippecanoe (Cunningham); Vermillion. 



