RECORD: Darwin, C. R. n.d. Cassia floribunda. CUL-DAR209.10.15. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 7.2022. 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-DAR209.10 contains notes on sleep (Leguminosae) for Darwin's book Movement in plants (1880).


[15]

Cassia floribunda : circumnutation & sleep — movement of one of a terminal leaflets, 1 5/6 of inch in length; traced on 24hr at 8° 30' am on [illeg] ; apex of leaf 5 1/2 inches from the vertical glass. (main petiole 3 3/4 in length) Temp. 16° to 17 1/2° C. Movement traced from 8° 30' 0 a.m to same hour on following morning

Figs reduced to 1/2 original Scale

[Movement in plants, "Cassia floribunda: circumnutation and nyctitropic movement of a terminal leaflet (1 5/6 inch in length) traced from 8.30 A.M. to same hour on following morning. Apex of leaflet 5 1/2 inches from the vertical glass. Main petiole 3 3/4 inches long. Temp. 16° - 17 1/2° C. Figure reduced to one-half of the original scale."]


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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 25 September, 2022