Note 11 — Chapter XXIII · DIRECT AND DEFINITE ACTION OF THE EXTERNAL CONDITIONS OF LIFE.
Reading edition
Engel, ‘Sur les Prop. Médicales des Plantes,’ 1860, pp. 10, 25. On changes in the odours of plants, see Dalibert’s Experiments quoted by Beckman, ‘Inventions,’ vol. ii. p. 344; and Nees, in Ferussac, ‘Bull. des Sc. Nat.,’ 1824, tom. i. p. 60. With respect to the rhubarb, etc., see also ‘Gardener’s Chronicle,’ 1849, p. 355; 1862, p. 1123.