Addilioiial Papers. 



3U) 



to a pailful of the wash. If the wash is made up with skimmed milk- 

 instead of water it adheres better. 



The most serious injury from insects and their larvae is done to the 

 foliage. With trees on the street or lawn, the easiest method is to clip ofl 



FiR-. 4. I'roti'ction for street trees. 



and burn the twigs on which tlie insects appear. Where large plantations 

 are involved, the. foliage may be sprayed with Paris green, applied by 

 means of a force pump and spraying nozzle. 



Larvae which crawl up the trunks of trees may be trapped by the 

 following means: Wind a strip of thick cotton batting six or eight 

 inches wdde around the trunk just below the lowest branches, tie it with a 

 strong cord at the lower edge of the strip. Now turn the strip down over 

 the cord, forming an umbrella-like obstruction to any crawling organism. 

 If desired, the inside of the obstruction may be smeared with coal tar. 



There are numerous diseases which injure shade trees, but, except 



