168 GEOLOGY OF OHIO. 



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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; Cincin- 

 nati, Jos. F.James (Cat.) 



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368. • CAMELINA Crantz False Flax, 



Camelina sativa (L.) Crantz. 



Lorain 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 pastor is 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.) 



Lepddium ruderale L. 

 Painesville, O. Hacker. 



Lepidium virginicum L. 



Common as a weed in cultivated ground. 



372. THLASPI Tourn. Pennycress, 



Thlaspi arvense L. 



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



