From:
George John Romanes
To:
Charles Robert Darwin
Date:
10 Dec 1880
Source of text:
E. D. Romanes 1896, pp. 103–4
Summary:
Returns book [W. O. Focke, Pflanzen-Mischlinge]. It was of great use.
Suggests experiment involving light stimulation of plants.
Contributor:
Darwin Correspondence Project