Hawaii Agricultural Experiment Station. Bull. 79 
Plate 3 
Two Smooth -Shell-Type Macadamia Nuts, Showing Their General 
Spherical Shape and Smooth-Shell Surface and Great Variation in 
Thickness of Shell 
The percentage of kernel in different trees ranges from 19 to 42. This type is generally considered superior 
to the rough-shell for a commercial roasted nut. 
