SIXTEENTH ANNUAL REPORT OF STATE ENTOMOLOGIST 39 



oast of and inchuliug the States of iMinnesota, Iowa, Missouri, Arkansas and 

 Louisiana. 



All quarantine guardians and deputy State horticultural inspoctors are 

 hereby instructed and required to refuse admission into Montana of any ship- 

 ments of any of the five-leaved pines above mentioned, and currants and goose- 

 berry plants. It shall be the duty of the deputy horticultural inspectors, or 

 other quarantine guardians, to deport immediately such shipments or destroy 

 them by burning. All expenses incurred in deporting or destroying such ship- 

 ments shall be paid by the consignor. 



Any person who sells or offers for sale within the State of Montana pine 

 seedlings, curi'ants and gooseberry plants from the above quarantined area in 

 violation of this quarantine order shall be liable to prosecution under the State 

 laws of Montana. 



It is specifically understood and intended that this quarantine proclamation 

 shall revoke all previous proclanuitions on this subject by me made. 



IN WITNESS WHEKEOF, I have hereunto set my hand and caused 

 the Great Seal of the State to be affixed. 



DONE at the City of Helena, the Capital, this the third 

 (Seal) day of July, in the year of our Lord one thousand nine 



hundred seventeen. 



(Signed) S. V. STEWART. 

 By the Governor: 



C. T. Stewart, 



Secretary of State. 



BARBERRY QUARANTINE 



For many years it has l)een known that the common barberry 

 bush serves as an alternate host for stem rust of wheat, probably 

 the most destructive of all plant diseases. A law passed in Denmark 

 in 1903, prohibiting the growing of barberry bushes, has had such 

 remarkable results in controlling rust in the grain fields of that 

 country that plant pathologists in the United States have been 

 making extensive studies to determine whether similar legislation 

 would not solve the wheat rust problem in the Great Plains section 

 of this country. As a result of their findings there" was launched 

 early in 1918 a campaign for barberry eradication in our great 

 wheat-growing States. As a preliminary to this campaign of eradi- 

 cation, a quarantine prohibiting the importation of barberry bushes 

 into Montana was issued, which reads as follows : 



