The "noblest profession" of botany is to "outline the simplest and most secure fundamentals of the general physiology of organisms, thereby making a significant contribution to the development of the foundation of this most interesting and perhaps also most important science." (Schleiden, JlL J.: Principles of Scientific Botany, 1849). Potentially, the ability for all special forms lies dormant within the various species of the genus Protoplast. As development and division of labor progress, individual functions become more pronounced. The study of such specialized processes is therefore of paramount importance and a very important tool for penetrating the mechanics of the protoplast. (Pfeffer, W.: Plant Physiology, 2nd ed., 1897). With these words, Schleiden, the successful advocate of inductive research in botany.