RECORD: Darwin, C. R. n.d. [1878].04.26. [Phaseolus] Caustic / no Caustic The lessened increase might be expected as tip grow so rapidly. CUL-DAR209.11.131. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Text prepared and edited by John van Wyhe. RN1

NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR209.10 contains notes on sleep (Leguminosae) for Darwin's book Movement in plants (1880).

131

April 26th

Caustic                        No Caustic

            m.m                 mm

(1)       22        (2)       31

3          16        (4)       25

5.         19        6          21

7          20        8          25

9.         25        12        31

11.       22

124 [÷] 6 [=] 20.66. say 21. m            133 [÷] 5 [=] 26.6 say 27. mm

average increase 20.6'                        average increase 26.6

            21.6 21. m.m               27 m.m 26.6

 

in 23°. 45'

say in 24°

The lessened increase might be expected as tip grow so rapidly

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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 8 December, 2025