168 GEOLOGY OF OHIO. 



367. ERYSIMUM Tourn. Treacle Mustard. 



Erysimum asperum DC. Western Wall Flower. 



Scioto River, near Columbus, A. Ruppersberg and W. O'Kane. 



Erysimum cheiranThoides L. Worm-seed Mustard. 



Lorain Co., A. A. Wright (Cat.); Brady's Lake (Portage Co.) E. Claasen; Cincii!- 

 nati, Jos. F.James (Cat.) 



368. CAMEEINA Crantz FaeSE Feax. 



Cameeina SATiva (L-) Crantz. 



Eorain Co., A. A. Wright (Cat.); Cleveland, W. Krebs; Lake Co., W. C. Werner- 

 Springfield, Mrs. E. J. Spence; Miami Valley, A. P. Morgan (Flora); Cincin- 

 nati; Jos. F. James (Cat.) 



369. BRASSICA Tourn. 



Brassica alba (L.) Boiss. White Mustard. 



Given as general (J. S. Newberry, Cat); Lorain Co., A. A. Wright (Cat.); Frank- 

 lin Co., Selby & Craig (Cat.) 



Brassica arvensis (L.) B. S. P. (B. sinapistrum Boiss.) English Charlock. 

 Common in waste grounds and fields. 



Brassica nigra (L.) Koch. Black Mustard. 



"General," (J. S. Newberry, Cat); Lorain Co., A. A. Wright (Cat.); Licking Co.. 

 H. L. Jones (Cat.); Cincinnati, Jos. F. James (Cat.) 



370. BURSA Weber {Capsella Medic.) Shepherd's Purse. 



Bursa pastoris L. ( Capsella bursa pastoris Moench.) 

 Every where in cultivated grounds. 



371. LEPIDIUM Tourn. Pepperwort. Peppergrass. 



Lepidium campestre (L.) R. Br. 



Cincinnati, Joseph Clark (H. C. Beardslee, Cat.); Lorain Co., A. A. Wright 

 (Cat); Cleveland, W. Krebs; Painesville, O. Hacker; Columbus, Moses Craig. 



Lepidium intermedium Gray. 



Lorain Co., A. A. Wright (Cat); Licking Co., H. L. Jones (Cat.) 



Lepidium ruderaee L. 

 Painesville, O. Hacker. 



Lepidium virginicum L. 



Common as a weed in cultivated ground. 



372. THLASPI Tourn. Pennycress. 



Theaspi arvense L. 



Cincinnati, J L. Riddell (Synop. 1835); Toledo, J. A. Sanford. 



