From:
Charles Robert Darwin
To:
Hugo de Vries
Date:
13 Feb 1879
Source of text:
Artis Library (De Vries 5)
Summary:
Discusses heliotropism in plant cotyledons. Asks for information.
Contributor:
Darwin Correspondence Project
Showing 1–3 of 3 items
Discusses heliotropism in plant cotyledons. Asks for information.
Thanks for letter.
Comments on growth and movement of plants.
Perhaps movement from side to side in plants is caused by the contraction of one side, rather than the expansion of the other.
Sends seeds of Lychnis Githago: he observed the hypocotyledenous stem, not the root, contracting.