From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[9 Mar 1859]
Source of text:
DAR 100: 152–3
Summary:
Outlines the basic categories of phanerogams.
Places Gymnospermae in the dicotyledons.
Evaluates the variable utility of embryological characters in plant classification.
Contributor:
Darwin Correspondence Project
