These characters are drawn from the total representation of the individuals concerned; they are the analysis of that representation and make it possible, by representing those representations, to constitute an order; the general principles of taxinomia the same principles that had determined the systems of Tournefort and Linnaeus and the method of Adanson preserve the same kind of validity for A. de Jussieu, Vicq d'Azyr, Lamarck, and Candolle.