From:
John Cattell
To:
Charles Robert Darwin
Date:
13 Aug 1855
Source of text:
DAR 161: 127
Summary:
Gives names of German dealers who provide seed of superior quality.
Contributor:
Darwin Correspondence Project
Showing 1–2 of 2 items
Gives names of German dealers who provide seed of superior quality.
Is having difficulties marking close species on the list of British plants.
In all his attempts to advance geographical botany he is stopped by the "application and signification of the word ""species"" " the use of which is both "indefinite and variable". He encloses his list of "Categories of Species".