[603] See Dr. Anderson to the same effect in the 'Bath Soc. Agricultural Papers,' vol. iv. p. 87.
[604] I have published full details of experiments on this subject in the 'Gardener's Chronicle,' 1857, Oct. 25th.
[605] 'Gardener's Chronicle,' 1865, p. 387.
[606] 'Bonplandia,' x., 1862, s. 348.
[607] O. Heer, 'Die Pflanzen der Pfahlbauten,' 1866, s. 22.
[608] Darwin, 'Journal of Researches,' 1845, p. 285.
[609] Synopsis of the vegetable products of Scotland, quoted in Wilson's 'British Farming,' p. 317.
[610] Sir G. Mackenzie, in 'Gardener's Chronicle,' 1845, p. 790.
[611] 'Putsche und Vertuch, Versuch einer Monographie der Kartoffeln,' 1819, s. 9, 15. See also Dr. Anderson's 'Recreations in Agriculture,' vol. iv. p. 325.
[612] 'Gardener's Chronicle,' 1862, p. 1052.