Bul. 186, Bureau of Plant Industry, U. S. Dept. of Agriculture. PLATE VIII. 
FIG.1.—APPLE ROOT GRAFTS SHOWING NINE KINDS OF WRAPPING USED IN THE 
EXPERIMENTS. 
Fic. 2.—ROOT GRAFTS LEFT TOO LONG IN STORAGE, SHOWING EXCESSIVE DEVELOPMENT 
i OF CALLUS. THE SCIONS WERE CUT WITH THE LOWER TIP BLUNT. 
