RECORD: Darwin, C. R. [1878].06.14-16. Acanthus mollis / Draft of Cross and self fertilisation. CUL-DAR209.3.65. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 11.2022. RN1
NOTE: 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).
Draft is in the hand of Ebenezer Norman with corrections by Darwin. The text of the draft corresponds to Cross and self fertilisation, p. 361.
[65]
Acanthus mollis
[Figure] F 142.
(1/2 scale no lettering)
[65v]
following [text excised]
a single aborted seed, whilst 20 heads on the plants outside the net (which I saw visited by bees) yielded 2290 seeds,— as calculated by weighing all the seed and counting the number in a weight of two grains. weight.
Trifolium pratense (do), One hundred flower-heads on plants protected by a net did not produce a single seed, whilst 100 heads of plants growing outside, which were visited by bees, yielded 68 grains weight of seeds; and as 80 seeds weighed 2 grains, the 100 heads must have yielded 2720 seeds. I have often watched this plant and have never seen hive-bees sucking the
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 21 January, 2023