From:
Charles Robert Darwin
To:
Johann Friedrich Theodor (Fritz) Müller
Date:
31 Dec 1866 and 1 Jan 1867
Source of text:
The British Library (Loan MS 10 no 11)
Summary:
Thanks for observations on dimorphic plants. Dimorphism prevalent in certain groups throughout the world.
Retarded fertilisation in certain orchids.
Contributor:
Darwin Correspondence Project