The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. 1878.05.28-.05.29. Leaf of Iris pseudo-acorus / Proof sheet of Cross and self fertilisation, p. 124, published p. 245. CUL-DAR209.3.225-226. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2022. 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-DAR209.3 contains materials for Darwin's book Movement in plants (1880).

[225 and 226]

Leaf of Iris pseudo-acorus May 28 & 29 1878 observed under skylight

Iris Iris F. 146

(same scale no lettering)

Iris pseudo-acorus: traced ~~on horizontal glass~~ from 1030 a.m May 28' to 2˚P.m 29th. Tracing continued till 11 P.m, but has not been copied as ~~the figures wd have been too complex~~ ─ Apex of leaf 12' inches beneath the horizon glass, so tracing ~~most~~ considerably magnified

Temp. 15˚- 16˚ C.

226v]

[Proof sheet of Cross and self fertilisation, p. 124, published p. 245.]

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