226 



OHIO BIOLOGICAL SURVEY 



1816. Lobelia syphalitica L. Blue Lobelia. General and abundant. 



1817. Lobelia puberula Mx. Downy Lobelia. Gallia, Meigs, Hocking. 



1818. Lobelia spieata Lam. Pale Spiked Lobelia. General. 



1819. Lobelia leptostachys A. DC. Spiked Lobelia. Adams, Gallia, 



Meigs, Hocking, Fairfield, Clark. 



1820. Lobelia inflata L. Indian-tobacco. General. 



1821. Lobelia kalmii L. Kalm's Lobelia. General. 



Order, Compositales. 



Dipsacaceae. Teazel Family. 



1822. Dipsaeus sylvestris Huds. "Wild Teazel. General and abundant. 



Naturalized from Europe. 



Ambrosiaceae. Ragweed Family. 



1823. Xanthium pennsylvanieum Wallr. Pennsylvania Cocklebur. 



General. 



1824. Xanthium americanum Walt. American Cocklebur. Athens, 



Vinton, Washington. 



1825. Xanthium spinosum L. Spiny Cocklebur. Montgomery County. 



Introduced. 



1826. Ambrosia trifida L. Giant Ragweed. General. 



1827. Ambrosia psilostachya DC. Western Ragweed. Franklin, Lake. 



Introduced from the West. 



1828. Ambrosia elatior L. Roman Ragweed. General and abundant. 



Helianthaceae. Sunflower Family. 



1829. Heliopsis helianthoides (L.) Sw. Smooth Oxeye. General and 



abundant. 



1830. Heliopsis scabra Dunal. Rough Oxeye. Erie, Wyandot, Wayne. 



Madison, Ross. 



1831. Verbesina alba L. Verbesina. Rather general. 



1832. Rudbeekia triloba L. Thinleaf Cone-flower. Rather general; 



no specimens from the eastern counties. 



1833. Rudbeekia hirta L. Black-eyed-Susan. General and abundant. 



1834. Rudbeekia fulgida Ait. Orange Cone-flower. Franklin, Union. 



1835. Rudbeekia speciosa Wend. Showy Cone-flower. Montgomery, 



Champaign, Madison, Franklin. 

 1835a. Rudbeekia speciosa sullivanti (Boy. & Bead.) Rob. No spec- 

 imens. 



