From:
John Denny
To:
Charles Robert Darwin
Date:
12 July 1872
Source of text:
DAR 162: 159
Summary:
Replies to CD’s queries. Duke of Cornwall Pelargonium is fertile with its own pollen. Has failed to produce hybrids from other varieties besides P. peltatum and P. elegans. Sends numbers of the Florist which contain an account of his mode of procedure ["On cross-breeding pelargoniums" Florist & Pomologist (1872): 10, 34, 50].
Reports a confirmation of his theory of the prepotence of the male parent.
Contributor:
Darwin Correspondence Project