20 



near path from Prof. Craig *s house to the old greenhouses 

 of the Cornell College of Agr* It has not been recog- 

 nized elsewhere at any time. Evidently it is not well 

 adapted to the conditions it must meet here as a wild plant* 



e 

 Diagnosis: the flattend* curred, densely hairy capsules 



A 



are very conspicuous and dlstlnctiye« 



9. Brasslca arvensis (L.) Ktze* 

 Scientific name: 



Slnapls arrensis L. Sp. PI. 668. 1763. 

 Brasslca Sinaplstrum Boiss. Voy. Espagne* 



2,: 39. 1839 - 46. 

 Bressica arvensis B. S. P. Prel. Cat. N. Y. 1888. 

 (According to Br it ton and Brown; 6ray*s 

 Man. credits the comhlnation as used in 

 the heading^ presumahly on the basis of 

 newer eyidence.) 

 Common names; 



Wild mustard. 

 Yellow mustard* 

 Charlock. 

 English charlock. 



