From:
Asa Gray
To:
Charles Robert Darwin
Date:
6 Oct 1872
Source of text:
DAR 165: 181
Summary:
Discusses the coiling of tendrils of climbing plants.
AG’s recent tour of the U. S.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Asa Gray
Date:
22 Oct 1872
Source of text:
Gray Herbarium of Harvard University (100)
Summary:
Spiralling of tendrils.
Has worked hard on Drosera.
Is interested in tracing the "nerves" of Dionaea which follow the vascular bundles. Finds he can paralyse half of the leaf by pricking it at a certain point.
Wishes AG to carry out two experiments on D. filiformis.
Has received AG’s Dubuque address [Am. J. Sci. 3d ser. 4 (1872): 282–98].
Contributor:
Darwin Correspondence Project