Section 2. Counties, townships, cities and villages may annually appropriate money to be used in planting, pruning and protecting, and whenever necessary in acquiring shade, nut bearing and ornamental trees to be placed along and within the respective limits of said municipalities. The expenditure of any such fund shall be vested in the highway commissioner in the case of county roads, and in the proper highway authorities of the city or village as the case may be. Section 3. The owner of any real estate in the State of Michigan that borders upon a legal highway upon which State reward has not been paid, shall have the right to plant said approved ornamental, nut bearing, or other food producing trees along the line of said highway adjoining said land, and shall receive annually a credit of five cents upon his highway repair tax for each tree so planted by him and growing in good order, not less than six feet in height when planted and not less than twenty and not more than forty feet apart. All of said trees and their products shall belong to the owner of said land: Provided, that no bounty shall be paid or deduction allowed under the provision of this section upon any one tree or row of trees for a longer period than five years. The owner of such trees shall have the care thereof and shall have the duty and responsibility for the trimming, spraying and cultivation thereof. Section 4. The Michigan Agricultural College and Public Domain Commission are hereby authorized to grow and acquire suitable seeds, scions or trees for planting under the provisions of this act, and to establish proper rules and regulations for distributing the same at nominal cost, or otherwise, to counties, townships, cities, villages, and citizens of the State for the aforesaid purpose, and also for State parks or other public places.