The Variation of Animals and Plants Under Domestication, Volume II (of 2)

by Charles Darwin

[857] 'Journal of Horticulture,' July 2nd, 1861, p. 253.

[858] It would be worth trial to fertilise with the same pollen the central and lateral flowers of the pelargonium, and of some 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.

[859] Quoted in 'Journal of Horticulture,' Feb. 24, 1863, p. 152.

[860] 'Gardener's Chronicle,' 1866, p. 612. For the Phalænopsis, see idem, 1867, p. 211.

[861] Mémoires ... des Végétaux,' 1837, tom. ii. p. 170.

[862] 'Journal of Horticulture,' July 23, 1861, p. 311.

[863] 'Nouvelles Archives du Muséum,' tom. i. p. 137.

[864] Hugo von Mohl, 'The Vegetable Cell,' Eng. tr., 1852, p. 76.

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

[866] 'Transact. Linn. Soc.,' vol. xxiii., 1861, p. 360.