Nonetheless, if one considers that plants which receive their growth from the action of their mothers resemble them much more than those from seeds, as tulips, for example, which come from a bulb, are normally of the same colors as their mother, those from a seed being almost always very different, one cannot doubt that if communication of the mother with the offspring is not absolutely necessary to its being the same species, then at least it is always necessary to its being completely like the mother.