RECORD: Darwin, C. R. 1856.06.18. I compared flowers of Sugar Loaf Cabbage. CUL-DAR46.2.A32. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 8.2022. 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-DAR46.2 contains Notes for Natural selection.

The encircled 'Q' is Darwin's abbreviation for 'quoted', in his publication.


[A32]

Q

June 18' 1856

I compared flowers of Sugar Loaf Cabbage, Brussels Sprouts, Portsmouth Broccoli, Couve Tronchuda Purple & White Kohl Rabbi Koln Rabbi.— Little Difference Couve Tronchuda has white & somewhat smaller flowers — Portsmouth Broccoli most different, as sepals much narrower, & petals smaller & not quite so much elongated.— I see in the Broccoli, throughout plant it is the central & interior exterior buds which develop flowers—

Swede Turnip more orange flower petals rounder, sepals narrower — In white turnip smaller bright golden flower & rounded petals, much narrower sepals; shorter claw to petals

(Q) I compared pods of the several cabbages. Kohl rabbi (purple Kind with purplish pods) has longer & narrower pods, showing form of seed within, than the

[A32v]

Sugar loaf & Brussels Sprouts or Couve Tronchuda: Portsmouth Broccoli intermediate in pods.—

Cauliflower seeds irregularly leaving many flowers abortive.─


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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 28 August, 2023