RECORD: Darwin, C. R. [1878].04.26. Phaseolus black tips. CUL-DAR209.11.132. (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-DAR209.11 contains material for Darwin's book Movement in plants (1880).
132
Phaseolus. black tips
April 26th
(No 9)
Marked X 0.68mm of which 4/5 black 1/5th ( 0.136mm) is yellow
3 pins No 3 0.65mm of which only 0.04 is yellow
Loose radicle
No 1 0.60mm of which 0.13 is yellow
132v
675 72 [×] 8 [=] 576 .68
X 50 made up of 40 dark brown & 10 yellow
3 pins— 48 of which 45 is dark brown 648 0.65
loose root 45 of which 35 is dark
—60
138
10/45 × 60
2/9 0.60 [×] 2 [=]1.20 [÷] 9 [=] .13
50/72 72|60
100 = 096 /72 .0096 .01 100 [÷] 72 [=] .013
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 8 December, 2025