RECORD: Darwin, C. R. [1874]. Drosera Sugar / Left leaf not affected. CUL-DAR57.117. (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 volumes CUL-DAR 54-61 contain material for Darwin's book Insectivorous plants (1875).


117

Drosera Sugar

   July 7
Big Pot// Left leaf not affected— Rt leaf only one or two tentacles slightly more bent. than at first

Sm Pot// Left leaf— 10 tentacles bent —{ compare July 6th "no peculiar hairs" tentacles"    ie none bent enough to be mentioned
   Rt leaf — 13 tentacles bent —{ 7 mentioned on July 6 }

July 8. 6. 30 PM.
Sm Pot// Rt leaf lamina much bent back

July 9. 5. 45 PM Sm Pot — R leaf — Lamina much bent back & bowed on itself w convexity upwards— Nearly all the tentacles strongly inflected backwards
July 10 ? Sm Pot// Left Leaf — Lamina slightly bent back not "bowed" on itself. Nearly all the tentacles inflected backwards
Big Pot// In both leaves the lamina is bent a good deal backwards, but in neither is there a marked increase in backward inflection

July 11th
Morning Small Pot// Right leaf intensely curled up on itself
   Left leaf —somewhat curled
Big Pot// No change

(Cut off leaves)


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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 30 November, 2025