Bui. 623, U. S. Dept. of Agriculture. 
Plate XVIII. 
PI39A-HP, PI42/ 
VND PI45A-HP 
Washington Navel Oranges, Showing Irregular Areas of Very Smooth Rind, 
Similar to the Thomson Strain, the Remainder Being the Typical Washing- 
ton Strain in Texture and Appearance. These Occur as Limb Sports in 
a Tree Which also Bears Fruits of the Washington Strain. 
