RECORD: Darwin, C. R. [1880].01.14-18. Megarrhiza / Draft of Erasmus Darwin. CUL-DAR209.6.107-108. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2022. 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-DAR209.6 contains materials for Darwin's book Movement in plants (1880).
Notes for Movement in plants. Text F1325 Draft is in the hand of Ebenezer Norman with corrections by Darwin. The text of the draft corresponds to Erasmus Darwin, p. 98.
[107]
Jan 14th Megarrhiza [annotated sketch]
Jan 16' noon [annotated sketch] another slight enlargement higher up.— secondary roots along whole course of lower part of radicle.
swelling whether where plumule will burst out I know not
Jan 17th. The lower swelling an error, for I see I think a split now forming above it.— True radicle with well commencing secondary radicles exclusively below this swelling.
Used
[108]
Jan 18th Megarrhiza [annotated sketch]
The seed in pot by closet which germinated on the 10th
[108v]
[top of page excised]
freeze with less cold than water. I can in no way understand; why during the time you apply a heated body to one part of a piece of ice, when the air of your room was at 50, and the ice had for a day or two been in a thawing state, that a congelation should be formed on another part of the same ice, but from the following circumstances. There is great analogy between the
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 21 January, 2023