RECORD: Darwin, C. R. 1866. Ipomoea purpurea - measurements in inches & decimals. CUL-DAR78.70-71. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 2.2023. 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.


[70]

Ipomoea purpurea - measurements in inches & decimals.

If I do 8 oz/br it will not be 1/10' of inch for

[table not transcribed]

[71]

Ipomoea purpurea 1866

[table not transcribed]

And 50 white thread, or I crossed seed equally 49 1/2 seed spontaneously self-fertilise

So that seeds fert with pollen of same flowers Heavier!!!

can the vars be a little sterile with each other??

too much pollen?


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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 29 May, 2023