From:
Charles Robert Darwin
To:
George Bentham
Date:
15 Dec [1857]
Source of text:
Royal Botanic Gardens, Kew (Bentham Correspondence, Vol. 3, Daintree–Dyer, 1830–1884, GEB/1/3: f. 681
Summary:
For his studies on fertility of crosses, asks GB to mark a list of pairs of Cucubalus as to whether they are varieties of the same species, or distinct species.
Contributor:
Darwin Correspondence Project