A system of plant taxonomy by John Hutchinson, the Hutchinson system, was published as The families of flowering plants, arranged according to a new system based on their probable phylogeny in three editions; 1st edition 1926–1934; 2nd edition 1959; 3rd edition, 1973. This classification is according to the 1st Edition Volume 1: Dicotyledonae 1926 and Volume 2:Monocotyledonae 1934.