FLOWERING PLANTS AND FERNS OF INDIANA. 999 



S. aureus L. Golden Ragwort. Swamp Squaw Weed. 



One of the most common of our early composites. Found in 

 marshes, on banks of streams and in damp ravines. Of wide dis- 

 tribution and quite common. 



Flowers in April, continuing until July. 



Tippecanoe (Cunningham); Daviess (Clements); Jefferson and 

 Clark (Barnes); Monroe (Blatchley); Putnam (MacDougal); Gib- 

 son and Posey (Schneck); Jay, Delaware, Randolph, and Wayne 

 (Phinney); Noble (Van Gorder); Franklin (Meyncke); Knox 

 (Spillman); Fayette; Hamilton (Wilson); Steuben (Bradner). 



S. palustris (L.) Hook. Pale Ragwort. 



In swamps and wet places in a few counties, chiefly southern 

 .and western. The species has evidently entered the flora from 

 the west. 



Flowers in June and July. 



Clay and Putnam (MacDougal). 



S. lobatus Pers. Butterweed. 



The first record of this species was made by Mr. Blatchley, 

 whose special studies of the composites have added much to our 

 knowledge of the family in the State. Found growing at margin 

 of ponds. 



Collected in flower May 21st. 



Vigo (Blatchley); Knox (Spillman). 



ARCTIUM L. 



A. Lappa L. Burdock. 



Widely distributed and very abundant in all parts of the State. 

 It is very common in abandoned fields and dooryards, and is diffi- 

 cult to exterminate. 



Flowers from July through the frosts. 



Tippecanoe (Cunningham); Kosciusko (Coulter); Daviess (Cle- 

 ments); Putnam (MacDougal); Gibson and Posey (Schneck); Jay, 

 Delaware, Randolph, and Wayne (Phinney); Noble (Van Gorder); 

 Jefferson (J. M. Coulter); Clark (Baird and Taylor); Franklin 

 (Meyncke); Dearborn (Collins); Decatur and Shelby (Ballard); 

 Fayette (Hessler); Hamilton and Marion (Wilson); Steuben 

 (Bradner). 



65-Geol. 



