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From:
Charles Robert Darwin
To:
Daniel Oliver
Date:
12 [Apr 1862]
Source of text:
DAR 261.10: 1 (EH 88205985)
Summary:

DO’s observations on polymorphism in Primula and Campanula. CD recognises three classes of dimorphism, as in Primula, Thymus, and Campanula and violets.

DO’s Campanula paper and Royal Institution lecture [Not. Proc. R. Inst. G. B. 3 (1858–62): 431–3].

CD’s interest in Fumariaceae from A. Gray’s comments on "selfing".

Bees bite holes in flowers when same species grows in high density.

Organisation of CD’s notes.

Contributor:
Darwin Correspondence Project