[106] Again, when he sees a vine flourishing and luxuriant he bends down its young shoots to the ground, digging trenches to receive them, and again [70] [71] [72] heaping up the ground on the top of them; and they at no distant period, instead of parts, become whole trees, and instead of daughters they become mothers, having moreover put off the old age which is the usual companion of maternity. For, having desisted from distributing and apportioning its nourishment amongst numerous offspring, inasmuch as they are able to support themselves, that which was previously weak from being drained by this cause becomes so fully satiated as to grow fat and young again.