Arbres
Fruitiers,' 1835, tom. i. p. 446) that he finds in the woods seedlings
resembling all the chief cultivated races of both the pear and apple. Van
Mons, however, looked at these wild varieties as aboriginal species.

[622] Downing, 'Fruit-trees of North America,' p. 422; Foley, in 'Transact.
Hort. Soc.,' vol. vi. p. 412.

[623] 'Gard. Chronicle,' 1847, p. 244.

[624] 'Gardener's Chronicle,' 1841, p. 383; 1850, p. 700; 1854, p. 650.

[625] 'Die Getreidearten,' 1843, s. 66, 116, 117.

[626] Sabine, in 'Hort. Transact.,' vol. iii. p. 225; Bronn, 'Geschichte
der Natur,' b. ii. s. 119.

[627] 'Journal of Horticulture,' 1861, p. 112; on Zinnia, 'Gardener's
Chronicle,' 1860, p. 852.

[628] 'The Chrysanthemum, its History, &c.,' 1865, p. 3.

[629] 'Gardener's Chron.,' 1855, p. 54; 'Journal of Horticulture,' May 9,
1865, p. 363.

[630] Quoted by Verlot, 'Des Varietes,' &c., 1865, p. 28.

[631] 'Examination of the Characteristics of Genera and Species:'
Charleston, 1855, p. 14.

[632] Mr Hewitt, 'Journal of Hort.,' 1863, p. 39.

[633] Devay, 'Mariages Consanguins,' pp. 97, 125. In conversation I have
found two or three naturalists of the same opinion.

[634] Mueller has conclusively argued against this belief, 'Elements of
Phys.,' Eng. translat., vol. ii., 1842, p. 1405.

[635] 'Act. Acad. St. Petersburg,' 1780, part ii. p. 84, &c.

[636] 'Bastarderzeugung,' s. 249, 255, 295.

[637] 'Nova Acta, St. Petersburg,' 1794, p. 378; 1795, pp. 307, 313, 316;
1787, p. 407.

[638] 'De la Fecondation,' 1862, p. 311.

[639] 'Amaryllidaceae,' 1837, p. 362.

[640] Abstracted in 'Gard. Chronicle,' 1860, p. 1081.

[641] This was the opinion of the elder De Candolle, as quoted in 'Dic.
Class. d'Hist. Nat.,' tom. viii. p. 405. Puvis, in his work, 'De la
Degeneration,' 1837, p. 37, has discussed this same point.

[642] 'Comptes Rendus,' Novembre 21, 1864, p. 838.

[643] 'Nova Acta, St. Petersburg,' 1794, p. 391.

[644] 'Bastarderzeugung,' s. 507, 516, 572.

[645] 'Die Bastardbefruchtung,' &c., 1865, s. 24.

[646] 'Bastarderzeugung,' s. 452, 507.

[647] 'Die Bastardbefruchtung,' s. 56.

[648] 'Bastarderzeugung,' s. 423.

[649] 'Dritte Fortsetzung,' &c., 1766, s. 85.

[650] 'Die Bastardbefruchtung,' &c., 1865, s. 92; _see_ also the Rev. M. J.
Berkeley on the same subject, in 'Journal of Royal Hort. Soc.,' 1866, p.
80.

[651] Dr. P. Lucas has given a history of opinion on this subject: 'Hered.
Nat.,' 1847, to