From:
Asa Gray
To:
Charles Robert Darwin
Date:
22 May 1855
Source of text:
DAR 106: D1–D2
Summary:
Has filled up CD’s paper [see 1674].
Distribution and relationships of alpine flora in U. S.
Contributor:
Darwin Correspondence Project
From:
Asa Gray
To:
Charles Robert Darwin
Date:
30 June 1855
Source of text:
DAR 165: 92a
Summary:
Sends a list of "close" species from his Manual of botany.
Hopes Hooker or CD will write an essay on species. Discusses some of the difficulties of defining botanical species.
Contributor:
Darwin Correspondence Project
