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 23º. 45'

say in 24º

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