[853] 'Transact. Hort. Soc.,' vol. ii. p. 242.
[854] 'Schriften der Phys. Ökon. Gesell. zu Königsberg,' Feb. 3, 1865, s. 4. See also Dr. Caspary's paper in 'Transactions of the Hort. Congress of Amsterdam,' 1865.
[855] 'Gard. Chron.,' 1852, p. 759.
[856] 'Transact. Hort. Soc.,' vol. ii. p. 242.
[857] Sir R. Schomburgk, 'Proc. Linn. Soc. Bot.,' vol. ii. p. 132.
[858] 'Gard. Chron.,' 1862, p. 619.
[859] Hopkirk's 'Flora Anomala,' p. 167.
[860] 'Sur la Production et la Fixation des Variétés,' 1865, p. 4.
[861] 'Journal of Horticulture,' March, 1865, p. 233.
[862] 'Gard. Chron.,' 1843, p. 135.