From:
Friedrich Hermann Gustav (Friedrich) Hildebrand
To:
Charles Robert Darwin
Date:
23 May 1873
Source of text:
DAR 76: B179–80
Summary:
Sends results of his observations of cross- and self-fertilisation of Hypecoum grandiflorum and Eschscholzia californica [see Cross and self-fertilisation, pp. 331–2].
Contributor:
Darwin Correspondence Project
