Note 47 — Chapter IV · Morphology under the Influence of the Doctrine of Metamorphosis and of the Spiral Theory. 1790-1850.
Henry E. F. (Henry Edward Fowler) Garnsey translation
See Hofmeister, ‘Allgemeine Morphologie’ (1868), pp. 471, 479, and Sachs, ‘Lehrbuch der Botanik,’ ed. 4 (1874), p. 195.