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~ a rch ~1, 1927 WILMET T E L L.F E 33 I Stop the Invasion ... .,.. of insect and fungus diseases by SPRAYING your trees Now! Spraying is essential to the control of insects and fungus diseases, and is a phase of the tree specialists' work that calls for a practical knowledge of the factors involved. There are1 for example, two types of insect pests: sucking insects and chewing insects. In combatting each, radically different methods are -employed. l . · S praying . is inadequate unless it reaches every part o f the tree. Our 2 !lz h . p. high -pressure m otor spra yer does the work . Tree pests and infections work downward. Hence no spraying is adequate unless it reaches the topmost branches. Our 2 ~/2 h. p. motor sprayer assures the utmost tborou~hness in reaching every part of the tree . .. You are obligated in no way by requesting an examination of your ' trees and a profes sional opinion regarding then1. If they need attention- and only then- will you be offered ·the opportunity of availing yourself of this high· type of service. at a consistent price. Pests and decay creep downward from the top .. Skill and courage play a part in successfully controling them by pruning. THOMAS J. LYNCH Tree Specialist 5 I 4 Lincoln Avenue WINNETKA · Telephone I I I 3 I Green Bay Road GLENCOE Telephone 5 I 4 .. 294