[134]

p. 63 old M.S. various species crossing & Turnips G. Chronicle

G Chronicle 1855 p. 730

on Rape & Turnip naturally crossing enormously if case good add to my case of Cabbage & Radishes.—

[Cross and self fertilisation, p. 394: "We should bear in mind that pollen must be carried by the bees from flower to flower on the same large branching stem much more abundantly than from plant to plant; and in the case of plants the flowers of which are in some degree dichogamous, those on the same stem would be of different ages, and would thus be as ready for mutual fertilisation as the flowers on distinct plants, were it not for the prepotency of pollen from another variety.*
* A writer in the 'Gardeners' Chronicle' (1855 page 730) says that he planted a bed of turnips (Brassica rapa) and of rape (B. napus) close together, and sowed the seeds of the former. The result was that scarcely one seedling was true to its kind, and several closely resembled rape."]

(1856 p. 729 Turnips)