V. Plant, Animal, Man

We can now trace these processes of formation in their material aspect. The transformation of substance from the one level to the next appears as a separation of the upper level from the lower, and a building of the form out of this separated substance. In the plant, out of the lifeless substance the living is separated. In this separated substance, the etheric forces work, raying inward to the earth, creating form. To begin with, there takes place not an actual separation but an entire transformation of physical substance by the etheric forces. This, however, only happens in the formation of the seed. Here the transformation can be complete, because the seed is protected by the surrounding maternal organization from the influences of the physical forces. But when the seed formation is freed from the maternal organization, the working of the forces in the plant divides; in one direction, the forming of substance is such as to strive upward into the realm of the etheric, while in the other it strives back again to physical formation. Parts of the being of the plant arise that are on the way to life and those which are on the way to death. The latter then appear as the excretory members of the plant organism. The bark-formation of the tree is a particularly characteristic example in which we may observe this excretory process.