If your yard happens to be

On the Roof

of the house, as often occurs in large cities, there will probably be no earth in which to plant things; then you must fill flower pots and deep boxes with earth, sand, or gravel, and plant your make-believe trees and shrubs in them; such a garden will be entirely different from all others.

Fig. 145.—Green paper leaf.

Build a wooden fence over which the girls and boys climb to enter the picnic grounds; even though the improvised fence may not closely resemble the real article, it will help to render the feeling of being in the open country more realistic.

Make the fence by sinking the legs of two strong kitchen chairs partially but firmly into the earth. Place the two chairs facing each other and a short distance apart; then run a large, strong pole or narrow board for a rail, across the chair seats, allowing the rail to extend out beyond the back of the chairs. Lash the rail securely to the chairs with the heaviest twine or slender rope, and place very heavy weights on the seat to keep the chair steady, and avoid all possibility of the rail slipping or chairs tipping.

If possible get either a swing, a teeter or a jogging board; all these will afford a lively time for your guests, as will also a wheelbarrow in which the girls and boys may take turns in riding and pushing or wheeling each other.

If you want to make the affair seem just like a regular