226 OHIO BIOLOGICAL SURVEY 



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



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



1818. Lobelia spicata Lam. Pale Spiked Lobelia. General. 



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



Meigs, Hocking, Fairfield, Clark. 



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



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



Order, Coniposifahs. 



Dipsacaceae. Teazel Family. 



1822. Dipsaeus sylvestris ILids. Wild Teazel. General and abundant. 



Naturalized from Europe. 



Ambrosiaceae. Ragweed Family. 



1823. Xantbium pennsylvanicum Wallr. Pennsylvania Cocklebur. 



General. 



1824. Xanthiuin americanum AValt. American Cocklebur. Athens, 



Yinton, Washington. 



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



Introduced. 



1826. Ambrosia tritida 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. Ileliopsis lielianthoides (L.) Sw. Smooth Oxeye. General and 



abundant. 



1830. Ileliopsis scabra Duiial. Rough Oxeye. Erie, Wyandot, Wayne. 



Madison, Ross. 



1831. Verbesina alba L. A^n-besina. Rather general. 



1832. Rudbeckia triloba L. Thinleaf Cone-flower. Rather general : 



no s])ecimens from the eastern counties. 



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



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



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



Champaign, Madison, Franklin. 

 1835a. Rudbeckia speciosa sullivanti (Boy. & Bead.^ Rob. No spec- 

 imens. 



