DESCRIPTION OF PLATES. 



PI.ATK II. The Protection of Shade Trees. 



A. A tree protected with thorns. 



B. Basaltic pillars about horse-chestnuts at Bonn. 



C. Wicker protectors about lindens at Frankfurt a. Main. 



D. Light iron guard about young maple near Prospect Park, Brooklyn. 



E. Jackets of pine poles west of Brandenburger Thor, Berlin. 



F. Box-guard about young red oak, Washington. 



G. Wire netting on older tree, Washington. 



H. Iron guard about Sycamore on Pennsylvania Avenue, Washington. 

 /. Two forms of iron protectors, Primrose Hill, London. 



III. The Protection of Shade Tree. 



A. Young sycamore in full coat of mail, consisting of support, guard, 

 and grill. Place de la Bastille, Paris. 



B. Iron guard, about English field elm in front of the Antwerp cathe- 

 dral. 



C. Protector and circular iron bench around sycamore on Mile End 

 Road, London. 



A form of protector used in Frankfurt a. Main. 



Young linden with wooden support, iron guard, and hexagonal 



iron grill, Potsdamerstrasse, Berlin. 



F. Linden with iron guard, Heidelberg. 



G. Grill used alone about base of ailanthus one foot in diameter on 

 boulevard Montparnasse, Paris. 



H. Older Sycamore with grill and guard, Place de la Bastille, Paris. 



