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TENTH BIENNIAL REPORT 



ished with least expense by securing in each State Legislature a law 

 declaring barberry bushes a menace to the wheat industry, and making 

 it unlawful to harbor them on one's land. It is believed that the 

 wisdom of this will be readily seen and the necessary laws' enacted. 



V' i . 



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l''iSiiJO 4. AVhoat rust on baibonV rnid wlieal. 



Enforcement 



In different states the laws, if passed, will be enforced in the 

 way most expedient under local conditions. In Montana it will be 

 most economical to have it enforced by the State Board of Horticul- 

 ture, which already has a good organization for work of this character. 



Kinds of Barberry That Harbor Wheat Rust 



There are several kinds of barberry of which three are quite 

 common in Montana. Two of these, the common green and the purple 

 leaved, are attacked by rust while the other, the Japanese barberry, is 



