96 GEOLOGY OF OHIO. 



50. CENTAUREA L. Star Thistle. 



Centaurea benedicta L. 



" Sparingly naturalized." J. S. Newberry (Cat.) 



Centaurea cyanus L. Blue Bottle. 



Cleveland, Wm. Krebs; Columbns, Moses Craig; Licking Co., H. L. Jones (Cat. 



Centaurea jacea L. 



Richland Co., E. Wilkinson ; Columbus, Wm. C. Werner. 



Centaurea nigra L. Knapweed. 

 Painesville, Otto Hacker. 



51. CICHORIUML. Chicory. Succory. 



ClCHORIUM INTYBUS L. 



Northern Ohio ; Franklin Co., E. V. Wilcox ; Monroe Co., H. Herzer. 



52. APOGON Neck. ( Krigia L. ) Dwarf Dandelion. 



Apogon virginicum (L.) Kuntze. {Krigia amplexicaulis Nutt.) 

 From Lake Erie to the Ohio River. 



ApoGON dandelion (L.) Kuntze. {Krigia dandelion Nutt.) 

 Lorain Co., A. A. Wright (Cat.) 



Apogon carolinianum (Nutt.) {Krigia virginica Willd.) 

 Southern Ohio, Leo Lesquereux (Beardslee Cat.) 



53. LAPSANA L. Nipple-wort. 



Lapsana communis L. 



Painesville, Otto Hacker; Columbus, W. R. Lazenby. 



54. CREPIS L. 



Crepis tectorum L. 



Lorain Co., A. A. Wright (Cat.) 



55. HIERACIUM L. Hawkweed. 



HlERACIUM CANADENSE Michx. 



" Northern Ohio, general" H. C. Beardslee (Cat.) 



HlERACIUM GRONOVII L. 



From Lake Erie to the Ohio River. 



HlERACIUM PANICULATUM L. 



Northern and central Ohio ; Cincinnati, Jos. F. James. 



HlERACIUM SCABRUM Michx. 



From Lake Erie to the Ohio River. 



