From:
Charles Robert Darwin
To:
Journal of Horticulture
Date:
[before 14 May 1861]
Source of text:
Journal of Horticulture, Cottage Gardener, and Country Gentleman , n.s. 1 (1861): 112
Summary:
Asks D. Beaton whether varieties of the same species of Compositae frequently cross by insect agency or other means. Do the raisers of hollyhocks have to keep each variety separate for raising seed?
Contributor:
Darwin Correspondence Project