The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. n.d. Buck-wheat Polygonum fertilised during 1867. CUL-DAR110.B29. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2023. RN1

NOTE: Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volumes CUL-DAR108-111 contain material for Darwin's book Forms of flowers (1877). See record in the Darwin Online manuscript catalogue, enter its Identifier here.

[29]

Buck-wheat Polygonum, fertilised during 1867.

Longs-styled. The ~~fert~~ crossed bundle of flowers produced, 21 & 1 seed = 22

The self-fert. bundle of flowers produced 9, 3, 2 seed = 14

The 22 crossed seed weighed 9.13 gr.

The 14 self-seed weighed 4.74 ∴22 of the seed cd have weighed only 7.45 gr.

Short-styled

The crossed seed produced 1 & 7 = 8 30

The self-fer seed produced 4, 1, 2, & 2 seed. = 9 23

Therefore rather more fertile crossed, & seed finer.

Keep for Dimorphism

22 [+] 8 [=] 30

14 [+] 9 [=] 23

Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)