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.
The Copenhagen cabbage, introduced to the trade generally in 1913, is one of the promising, newer, round-headed, very early varieties, that resembles the Danish Ball Head or the Volga in shape, but that is smaller and much earlier to mature. The average weight of the heads is from 5 to 6 pounds.