,
'Bastarderzeugung,' 1849, s. 81 and 499.

[930] 'Gard. Chron.,' 1854, p. 404.

[931] Ibid., 1866, p. 900.

[932] _See_ also a paper by this observer, read before the International
Hort. and Bot. Congress of London, 1866.

[933] 'Traite du Citrus,' p. 40.

[934] 'Transact. Hort. Soc.,' vol. iv. p. 318. _See_ also vol. v. p. 65.

[935] Prof. Asa Gray, 'Proc. Acad. Sc.,' Boston, vol. iv., 1860, p. 21.

[936] For the French case, _see_ 'Proc. Hort. Soc.,' vol. i. new series,
1866, p. 50. For Germany, _see_ M. Jack, quoted in Henfrey's 'Botanical
Gazette,' vol. i. p. 277. A case in England has recently been alluded to by
the Rev. J. M. Berkeley before the Hort. Soc. of London.

[937] 'Philosophical Transactions,' vol. xlvii., 1751-52, p. 206.

[938] Gallesio, 'Teoria della Riproduzione,' 1816, p. 95.

[939] It may be worth while to call attention to the several means by which
flowers and fruit become striped or mottled. Firstly, by the direct action
of the pollen of another variety or species, as with the above-given cases
of oranges and maize. Secondly, in crosses of the first generation, when
the colours of the two parents do not readily unite, as in the cases of
Mirabilis and Dianthus given a few pages back. Thirdly, in crossed plants
of a subsequent generation, by reversion, through either bud or seminal
generation. Fourthly, by reversion to a character not originally gained by
a cross, but which had long been lost, as with white-flowered varieties,
which we shall hereafter see often become striped with some other colour.
Lastly, there are cases, as when peaches are produced with a half or
quarter of the fruit like a nectarine, in which the change is apparently
due to mere variation, through either bud or seminal generation.

[940] 'Transact. Hort. Soc.,' vol. v. p. 69.

[941] 'Journal of Horticulture,' Jan. 20, 1863, p. 46.

[942] _See_ on this head the high authority of Prof. Decaisne, in a paper
translated in 'Proc. Hort. Soc.,' vol. i. new series, 1866, p. 48.

[943] Vol. xliii., 1744-45, p. 525; vol. xlv., 1747-48, p. 602.

[944] 'Transact. Hort. Soc.,' vol. v. pp. 63 and 68. Puvis also has
collected ('De la Degeneration,' 1837, p. 36) several other instances; but
it is not in all cases possible to distinguish between the direct action of
foreign pollen and bud-variations.

[945] T. de Clermont-Tonnerre, in 'Mem. de la Soc. Linn. de Paris,' tom.
iii., 1825, p. 164.

[946] 'Transact. of Hort. Soc