Search: Thwaites, G. H. K. in addressee 
Darwin, C. R. in correspondent 
Thwaites, G. H. K. in correspondent 
1870-1879::1877 in date 
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From:
Charles Robert Darwin
To:
George Henry Kendrick Thwaites
Date:
26 Mar 1877
Source of text:
American Philosophical Society (Mss.B.D25.508)
Summary:

Thanks for specimens [of insects].

Wonders whether difference between male and female plays part in fertilisation of fig.

Flowers of Oxalis sensitiva, sent long ago, are trimorphic and cleistogamic.

Contributor:
Darwin Correspondence Project