The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. 1863.05.25. Spinacea oleracea. CUL-DAR49.96. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2022. 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-DAR49 contains notes for Natural selection chap. 3 on 'On...organic beings occasionally crossing' or dichogamy.

[96]

Spinacea oleracea (Chenopodeae) May 25 - 63

Dioicous - Male flowers rigid filament – anther dehisce & a slight jar shakes out astounding clouds of incoherent pollen – flower quite inconspicuous – Female fl. with long projecting stigmas – these flowers secreted in axils of leaves & considerably hidden; but leaves have long naked footstalks.

Sorrell (Rumex acetosella) dioicous.

Flowers rather conspicuous for redress but no corolla – male flowers with short filaments, yet dangling; a slight shake sends all pollen out in clouds & leaves open anthers clean. – Stigma projecting & plumose –

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