The word hereof is actually not a legal term. Its meaning in court documents is no different from its ordinary dictionary definition -- Merriam-Webester defines hereof as meaning of this.. It's one of those words used by lawyers and nobody else.
The variety of cabbage commonly known as the Flat Dutch, shown in Fig. 6, of which there are many strains, is a moderately long-season variety. The head is very solid and flat; it measures about 12 inches across and 8 inches deep, and weighs from 8 to 12 pounds.
One medium head of cabbage is about 5.75 inches in diameter and weighs 908 grams, which equals 2.0018 pounds. One small head of cabbage is about 4.50 inches in diameter and weighs 714 grams, which equals 1.5741 pounds.