40 



(e) In spraying for tlie scale, remember that, to be destroyed, 

 each scale must be touched. Use a very fine nozzle, and try to 

 reach every part of the tree, but stop spraying any part before it 

 begins to drip. 



5. Never purchase stock not accompanied by a certificate of 

 inspection, signed by au authorized inspector, or by a guarantee 

 that it has been fumigated with hydrocyanic acid gas. One who 

 neglects this has only himself to blame if his trees prove later to 

 have been infested. 



