RECORD: Darwin, C. R. n.d. Abstract of Frank, Beiträge zur Pflanzenphysiologie, 1868. CUL-DAR209.6.191. 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-DAR209.6 contains materials for Darwin's book Movement in plants (1880).
[191]
Radicles when placed vertically up not bending explained by Frank. p. 81 by their not growing absolutely equally all round.
Beiträge zur Pflanzenphysiologie 1868. p. 81.
[Movement in plants, p. 70: "Dr. Frank had previously remarked ('Beiträge zur Pflanzenphysiologie, 1868, p. 81) on the fact of radicles placed vertically upwards being acted on by geotropism, and he explained it by the supposition that their growth was not equal on all sides."]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 20 January, 2023