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. 



61. CICHORIUML. Chicory. Succory. 



ClCHORIUM INTYBUS L. 



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



52. APOGONNeck. (Krigial,.) 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 carolinianom (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. 



HlERAClUM CANADENSE Michx. 



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



HlERAClUM GRONOVII L. 



From Lake Erie to the Ohio River. 



HlERAClUM PANICULATUM L. 



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



HlERAClUM SCABRUM Michx. 



From Lake Erie to the Ohio River. 



