RECORD: Darwin, C. R. & Francis Darwin. 1880.01.19-20. Beans / Radicle touched only once & not rubbed. CUL-DAR209.6.68-69. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2022. RN2
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-DAR209.6 contains materials for Darwin's book Movement in plants (1880).
[68]
[annotated figure]
I did not know where the ground line was. Has the 2nd leaf straightened
[69]
Delphin
In the full grown ones the tube runs up to nearly certainly nearly the top & it may go quite to top.
In young seedlings 8 or 10 mm high the the joined petioles are solid & there is no tube— I can answer for about the middle third
[sketch]
(Plumule so small can play little part in bursting of tube) being solid
[69v]
48 HK8
In a section near top 09 58 HK4
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 27 January, 2026