Bul. 186, Bureau of Plant Industry, U. S. Dept. of Agriculture. PLATE VII. 
FiG. 1.—ROOT OF AN APPLE TREE GROWN FIG. 2.—ROOT OF A GRAFTED APPLE TREE 
FROM A CUTTING TAKEN FROM A SEED- GROWN FROM A SCION TAKEN FROM A DISs- 
LING APPLE TREE DISEASED WITH THE EASED LIMB OF THE TREE TWIGS AND A 
SIMPLE FORM OF HAIRY-ROOT. LIMB OF WHICH ARE SHOWN IN PLATE IV. 
Fic. 3.—Roots OF A FAMEUSE APPLE Fic. 4.—RooTs OF A JONATHAN APPLE 
TREE GROWN FROM A ROOT GRAFT TREE GROWN FROM A ROOT GRAFT 
WITH THE ROOT PIECE DISEASED WITH DISEASED WITH HAIRY-ROOT, BUT WITH 
HairYy-RooT, BUT WITH HEALTHY NO ROOTS ON THE SCION. 
ROOTS ON THE SCION. 
