The Variation of Animals and Plants under Domestication

by Charles Darwin

[13] ‘Tératologie Vég.,’ p. 192.

[14] ‘Journal of Horticulture,’ July 2nd, 1861, p. 253.

[15] It would be worth trial to fertilise with the same pollen the central and lateral flowers of the pelargonium, or of other highly cultivated plants, protecting them of course from insects: then to sow the seed separately, and observe whether the one or the other lot of seedlings varied the most.

[16] Quoted in ‘Journal of Horticulture,’ Feb. 24th, 1863, p. 152.

[17] ‘Gardener’s Chronicle,’ 1866, p. 612. For the Phalænopsis, see ibid., 1867, p. 211.

[18] ‘Mémoires . . . des Végétaux,’ 1837, tom. ii. p. 170.

[19] ‘Journal of Horticulture,’ July 23rd, 1861, p. 311.

[20] ‘Nouvelles Archives du Muséum,’ tom. i. p. 137.

[21] Hugo von Mohl, ‘The Vegetable Cell,’ Eng. translat., 1852, p. 76.

[22] The Rev. H. H. Dombrain, in ‘Journal of Horticulture,’ 1861, June 4th, p. 174; and June 25th, p. 234; 1862, April 29th, p. 83.