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From:
John Traherne Moggridge
To:
Charles Robert Darwin
Date:
12 Dec 1869
Source of text:
DAR 171: 214
Summary:

Sends seeds of Lathyrus and suggests an advantage of climbing plants is to shed their seeds in places secure from animals.

Contrary to F. Delpino, in JTM’s experience Ophrys aranifera is not sterile. However, seed germination is poor.

In a densely overgrown plot Convolvulus sabatius, not normally a twiner, becomes one.

Continues his extensive study on variability in Arbutus, and speculates on selection in fruit shape.

Contributor:
Darwin Correspondence Project