From:
Johann Friedrich Theodor (Fritz) Müller
To:
Charles Robert Darwin
Date:
2 June 1867
Source of text:
DAR 110: B113–14
Summary:
Discusses dimorphism in plants, especially the Rubiaceae.
Gives observations on orchids; notes varying degrees of self-sterility and a varying success at crossing distinct species.
Mentions local ferns he is collecting
and considers the phenomenon of apparently mimetic plants.
Contributor:
Darwin Correspondence Project