From:
Charles Robert Darwin
To:
William Turner Thiselton-Dyer
Date:
5 June 1879
Source of text:
Royal Botanic Gardens, Kew (Darwin: Letters to Thiselton-Dyer, 1873–81: ff. 173–4)
Summary:
Has been writing life of Erasmus Darwin.
Wants plants with heliotropic aerial roots. Has proved root apex governs nature of flexure in upper part of root.
Contributor:
Darwin Correspondence Project