Search: letter in document-type 
Darwin, C. R. in addressee 
Spruce, Richard in correspondent 
1860-1869::1869::04::15 in date 
Sorted by:

Showing 11 of 1 item

From:
Richard Spruce
To:
Charles Robert Darwin
Date:
15 Apr 1869
Source of text:
DAR 177: 242
Summary:

Describes the floral structure and fertilisation of some melastomes;

discusses the direct agency of insects in modifying the structure of flowers.

Contributor:
Darwin Correspondence Project