. On the relation of phyllotaxis to mechanical laws. Phyllotaxis; Leaves. 488 Church.—Note on Phyllotaxis. construction gives the true key to the problem, and that the whole subject thus becomes a question of the mechanical dis- tribution of energy within the substance of the protoplasmic mass of the plant-apex : that phyllotaxis phenomena are the result of inherent properties of protoplasm, the energy of life being in fact distributed according to the laws which govern. Fig. 3. Log. spiral theory: Construction for Phyllotaxis system (8 + 13) in terms-of distribution of energy. Contact Parasti
. On the relation of phyllotaxis to mechanical laws. Phyllotaxis; Leaves. 488 Church.—Note on Phyllotaxis. construction gives the true key to the problem, and that the whole subject thus becomes a question of the mechanical dis- tribution of energy within the substance of the protoplasmic mass of the plant-apex : that phyllotaxis phenomena are the result of inherent properties of protoplasm, the energy of life being in fact distributed according to the laws which govern. Fig. 3. Log. spiral theory: Construction for Phyllotaxis system (8 + 13) in terms-of distribution of energy. Contact Parastichies = orthogonally intersecting log. spirals in ratio (8 : 13). The curve through i, 22,43, &c., is alsoalog. spiral. Genetic spiral winds left. Divergence-angle = 137° 30' 38". Bulk-ratio of axis to primordium = 0^., AB. = \ : 5 vifithin a small error, or = Sin A0B = .2q\ for the true curve. ',' the distribution of energy in any other form: and that the original orthogonal planes, the relics of which survive in the contact parastichies of the system, represent the natural consequence of a mechanical system of energy-distribution directly comparable with that which produces the orthogonal intersection of cell-walls at the moment of their first Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Church, A. H. (Arthur Harry), 1865-1937; Church, Arthur Henry, Notes on phyllotaxis. London, Williams & Norgate
Size: 1562px × 1599px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisherlondo, bookyear1904
