80 ARBOR DAY ITS HISTORY AND OBSERVANCE. 



TOPICS FOR ARBOR DAY ESSAYS. 



Celebrated trees. 



Short history of Arbor Day. 



What Arbor Day is for. 



How to plant a tree. 



Best trees to plant. 



The most useful tree. 



Trees and their relation to birds. 



Trees and their relation to h'shea. 



Varieties of trees on our farm. 



Schoolhouses: What they are and what they should be. 



Schoolgrounds: How to improve them. 



What the leaves do. 



Best trees to plant on the roadside. 



Planting nut-bearing trees: Encouragement for it. 



Best trees and shrubs for ornamental planting. 



What to do with sigus that are nailed to trees and fences and painted on the rocks. 



How to do away with rubbish on the roadsides. 



Advantages of good sidewalks. 



Roads and walks, and how to make them. 



How to make Arbor Day most useful. 



Teaching of botany and horticulture in schools. 



