Part 2 — Notes to Chapter XIX.
Reading edition
The principal cases here described are dealt with in works on plant physiology, and in the works of Sorauer and Frank already referred to.
As regards damage due to uprooting of seedlings by frost, see Fisher, "Forest Protection" (Engl. ed. of Hess' Forstchutz), in Schlich's Manual of Forestry, Vol. IV., 1895, pp. 439-442.
On Albinism, see Church, "A Chemical Study of Vegetable Albinism," Journ. Chem. Soc., 1879, 1880, 1886.
Beijerinck's results are contained in his paper, "Ueber ein Contagium vivum fluidum," etc. (with English abstract), in Verhandl. d. Kon. Akad. v. Wetensch, te Amsterdam, 1898. Koning's paper is in Zeitschr. f. Pflanzenkrank., Vol. IX., 1899, p. 65. See also Nature, Oct. 11, 1900, p. 576.