120 General Care of Trees 



two parts, the iron slats being ri\'eted to s|QQggiy" about * tP^- 

 It is fastened to the tree support at the t*jtainebleau TP^^ 

 at its base, or, in the absence of the grilkg jacket of pij*^^ 

 in the earth. This style of guard has bee^ ^j.^ fastened t^^^ 

 parts of Europe. jj,. removed wh^ 



"In America, combinations of iron ro^iot so consoicuo''"^ 

 netting are frequently seen, while it is ^j-ica In Fran ^^ 

 use rather low iron guards and co\'er th^ streets are ma^"^^ 

 guard with ordinary wire netting. In F basket-like forn^^^ 

 of the tree is often j^rotected by a perf'^jg ^^^^ ^jj jj^j. of 



sheet-iron set on short legs, and above tnl *^,.«,»^ ;„ ^i^ut, 



closely woven wire. 



"All guards of whatever kind should be fastened securely 

 to the tree in such a wa}- that no injury will result from 

 rubbing; and, as the trees grow larger, care should be taken 

 to loosen and enlarge the guards as the trees require. Neg- 

 lect in this matter has occasioned the death of quite a num- 

 ber of shade trees. 



" Grills are designed to prevent the trampling of the soil 

 about the base of the tree and are especially desirable on 

 street corners and other places where many people pass. 

 On paved sidewalks, where the trafik is large and the amount 

 of exposed earth at a minimum, some such means of keep- 

 ing the soil light and porous may be considered a necessity. 

 Grills also afford an excellent means of watering trees dur- 

 ings periods of drought. The construction of the grill may 

 be readily determined by examining the accompanying 

 illustrations. It is made of sections of iron grating which 

 fit together about the tree in a circular, rectangular, or hex- 

 agonal form and are supported on wooden pegs driven into 

 the ground. A special form of grill is sometimes used on 

 very busy streets which extends outward beneath the side- 

 walk, leaving considerable space about the tree, while, being 



