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From:
Charles Robert Darwin
To:
Johann Friedrich Theodor (Fritz) Müller
Date:
12 Apr 1881
Source of text:
The British Library (Loan MS 10 no 51)
Summary:

Earthworm book with printer.

Has sent FM’s observations on paraheliotropism to Nature ["Movement of leaves", Collected papers 2: 228–9].

Plants with differently coloured anthers.

Intends gathering together his notes on "bloom".

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Lubbock, 4th baronet and 1st Baron Avebury
Date:
16 Apr [1881?]
Source of text:
The British Library (Add MS 49645: 97-8)
Summary:

Suggests that the pappus of Compositae, when lying on ground, may absorb water which may function in seed germination.

Contributor:
Darwin Correspondence Project