When the tree is some five years old, its whole energy is directed toward the increase of the suber.
This name is as much of a mystery as the word “suber” and its origin can only be guesswork.
But such a thing is rarely allowed to happen: the suber is of too much value to man.
That the suber of the Romans was our cork-tree, is generally and with justice admitted.
I had two sisters and a brother and when we was sold they went to Mr. suber's sister and I stayed with him.
In one species of oak this layer--which is called the suber--assumes a peculiar character and is of remarkable thickness.