[407] 'Bastarderzeugung,' s. 356.
[408] 'Teoria della Riproduzione,' 1816, p. 84; 'Traité du Citrus,' 1811, p. 67.
[409] Mr. C. W. Crocker, in 'Gard. Chronicle,' 1861, p. 1092.
[410] Verlot, 'Des Variétés,' 1865, p. 80.
[411] Verlot, idem, p. 88.
[412] Prof. Allman, Brit. Assoc., quoted in the 'Phytologist,' vol. ii. p. 483. Prof. Harvey, on the authority of Mr. Andrews, who discovered the plant, informed me that this monstrosity could be propagated by seed. With respect to the poppy, see Prof. Goeppert, as quoted in 'Journal of Horticulture,' July 1st, 1863, p. 171.
[413] 'Comptes Rendus,' Dec. 19th, 1864, p. 1039.
[414] 'Gardener's Chronicle,' 1866, p. 681.
[415] 'Theory of Horticulture,' p. 333.
[416] Mr. Fairweather, in 'Transact. Hort. Soc.,' vol. iii. p. 406; Bosse, quoted by Bronn, 'Geschichte der Natur,' B. ii. s. 77. On the effects of the removal of the anthers, see Mr. Leitner, in Silliman's 'North American Journ. of Science,' vol. xxiii. p. 47; and Verlot, 'Des Variétés,' 1865, p. 84.