From:
Hewett Cottrell Watson
To:
Charles Robert Darwin
Date:
23 Feb [1858]
Source of text:
DAR 98: A21–2
Summary:
Believes that botanists tend to mark more varieties in large than in small genera, but notes that where many varieties of a species exist these varieties may well be passed over, whereas similar varieties of another species which are fewer in number may well be recorded.
Contributor:
Darwin Correspondence Project
