Bul. 186, Bureau of Plant Industry, U. S. Dept. of Agriculture. 
PLATE V. 
Fic. 1.—MATURE STAGE OF THE AERIAL FiG. 2.—ROOT PRODUCTION FROM THE 
FORM OF HAIRY-ROOT ON A WINESAP AERIAL FORM OF HAIRY-ROOT ON A LIMB 
SEEDLING APPLE TREE. FROM THE SAME TREE AS THAT FROM 
WHICH THE LIMB SHOWN IN FIGURE 1 
WAS TAKEN. 
