The Chemical Basis of Morphogenesis (Phil. Trans. R. Soc. London B 237). A Diffusion Reaction Theory of Morphogenesis in Plants (with C.W. Wardlaw). Morphogen Theory of Phyllotaxis: I. Geometrical and Descriptive Phyllotaxis. II. Chemical Theory of Morphogenesis. III. A Solution of the Morphogenetic Equations for the Case of Spherical Symmetry (with B. Richards). Outline of the Development of the Daisy. Bibliography. Index.