VASCULAR PLANTS OP^ OHIO 235 



:!020. Cii'sium lanccolatuiu (L.j Hill. Sjx'ar Thistle. Hat Ult general. 

 From Europe. 



2021. Cirsiiiin altissinium (L.) Si)reng. Tall Thistle. Rather general. 



2022. Cirsiiiiu discolor (Muhl.j Spreng. Field Thistle. Western Ohio, 



as far east as Erie, Huron, Fairfield, and Clermont Counties. 

 202;^ ('irsiiiiii virginianum (L.) "Six. Vii-ginia Thistle. Madison 

 County. 



2025. Cirsiuiii muticum Mx. Swamp Thistle. General. 



2026. Cirsium arvense (L.) Scop. Canada Thistle. Genei-al. From 



Europe. 



2027. Onopordon acanthium L. Scotch Thistle. Hamilton, Wayne. 



From Europe. 



2028. Centaurea scahiosa L. Scabious Star-thistle. Lake County. 



From Europe. 



2029. Centaurea jacea L. Brown Star-thistle. Richland County. 



From Europe. 

 2080. Centaurea cyanus L. Bachelor 's-Button. Montgomeiy, Frank- 

 lin, Sandusky. Escaped from gardens. 



Cichoriaceae. ( hicory Family. 



2031. Cichorium intybus L. Chicory. Rather general. Introduced 



from Europe. 



2032. Cynthia virginiea (L.) Don. Virginia Cynthia. General. 



2033. Lapsana communis L. Nipplewort. Franklin, Lake. From 



Europe. 



2034. Arnoseris minima (L.) Dum. Lamb Succory. Lake County. 



From Europe. 



2035. Hypochaeris radicata L. Long-rooted Cat's-ear. Lake, Ashta- 



bula. From Europe. 



2036. Apargia nudicaulis (L.) Britt. Rough Hawkbit. Lake County. 



From Europe. 



2037. Tragopogon pratensis L. Yellow Goat 's-beard. Lake, Erie, Ful- 



ton, Auglaize, Franklin, Miami. From Europe. 



2038. Tragopogon porrifolius L. Salsify. Rather general ; no speci- 



mens from the southeastern third of the state. From Europe. 



2039. Sonchus arvensis L. Field Sow-thistle. Lake, Franklin. From 



Europe. 

 20-40 Sonchus oleraceus L. Common Sow-thistle. General. Nat- 

 uralized from Europe. 



