Wadmond—Flora of Racine and Kenosha Counties . 871 
791. Prenanthes racemosa, Michx. (Xabalus racemosus, DC.) 
Common; springy banks and low prairies. 
792. Ambrosia trifida, L. Ragweed. 
Common; roadsides and waste places. 
793. Ambrosia artemisiaefolia, L. Ragweed. 
Cfommon; waste grounds, and otften in cultivated 
fields. 
794. Xanthium strumarium, L. Cocklebur. 
Common; waste places inland. 
795. Xanthium Canadense, Mill. Cocklebur. 
Common; in sand beach of Lake Michigan, and 
waste places inland. 
796. Vernonia fasciculata, Michx. Ironweed. 
Common; low grounds. 
797. Eupatorium maculatum, L. Joe-pye Weed. 
Common; low ground. 
798. Eupatorium purpureum, L. Joe-pye Weed. 
Common; low grounds. Well distinguished from the 
preceding. 
799. Eupatorium perfoliatum, L. Boneset. 
Common; low ground and wet places. 
800. Eupatorium ageratoides, L. f. White Snakeroot. 
Common; rich wuods. 
801. Kuhnia glutinosa, Ell. (K. eupatorioides, L., var., corym- 
bulosa, T. & G.) 
Common; dry hillsides about Burlington, Racine Co. 
Xot known from the eastern part of the area. 
802. Liatris cylindracea, Michx. The members of this genus 
are called Blazing Star. 
Rare; dry banks and hillsides, Burlington, Racine Co. 
Xot known from the eastern section. 
803. Liatris scariosa, Willd. 
Common; prairies in dry soil. The long strict ra¬ 
cemes of rose-purple flowers render this and the follow¬ 
ing species very prominent in the summer floral aspect. 
804. Liatris spicata, Willd. 
Common; prairies, in wetter ground than the pre¬ 
ceding. 
