judgment. It should never be so low as to graze the surface, and in summer, during scorching sunshine, it will be advisable to raise the cutter a trifle higher than tor strong spring growth.
Rolling
Next in importance to mowing comes the use of the roller, without which it is impossible to establish a fine close turf, or to maintain it in high condition. After the first cutting of the young grass, the whole plot must be gently compressed with a rather light roller, and the work needs care, because the bed is easily broken by a clumsy foot. Subsequent cuttings to be followed by the roller until the plant is capable of bearing a heavier implement, which should not always be used in the same direction.
When the soil becomes hard through dry weather, rolling can do no good, and during frost it will be injurious; but in spring and autumn the frequent use of a rather heavy roller will have a visibly beneficial effect on the grass.
The best rollers are constructed with two cylinders, having the outer edges rounded. The division of the cylinder facilitates turning, and the rounded edges prevent unsightly marks.
Destruction of Weeds
After the most careful preparation of the land, annual weeds are certain to appear, and every weed, if left alone, will choke a number of the surrounding
