Bui. 22, Div. of Agrostology, U. S. Dept. of Agriculture. 



Plate IX. 



Fig. 1 . a Single Plant of Dwarf Essex Rape, grown by 

 Mr. W. H. Heideman. Kalispell. Mont. 





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Fig. 2 -Rape grown at Mellette. S. Dak. 



