Column 3: Grandchildren from a cross between the self-fertilised children of Hero.

A cross between the children of Hero did not give to the grandchildren any advantage over the self-fertilised grandchildren raised from the self-fertilised children.

The self-fertilised children of Hero were in height to other self-fertilised plants of the same stock as 100 to 85.

Column 2: Self-fertilised Grandchildren of Hero, from the Self-fertilised Children.