RECORD: Darwin, C. R. [ny].01.11. Avena sativa (Oats). CUL-DAR209.7.2. 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 volumes CUL-DAR209.7-8 contain notes on heliotropism (phototropism) for Darwin's book Movement in plants (1880).
[2]
Jan 11th Oats
Deflection from 1/2 vertical face painted with Indian Ink down almost to ground; exposed to Lamp from 10° 45' to 8° 30' P.m.
[insertion:] N.B they ought to have been painted only .3 down.
Plants rather too old— Always turned towards unpainted side
(1) & (2) deflected 44° from the direction whence light came
(3) deflected 55°
(4) ─ 51° (5) ─ 57} The bending small
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022