RECORD: Darwin, C. R. 1878.05.29. Cercus landbeckii / Pilocereus Houlletianum. CUL-DAR209.6.59. 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).
[59]
May 29 / 1878
Seedlings of Cereus Landbeckii consist of globular body or pear-shaped purple body with roots beneath, & 2 triangular projections representing the Cots, narrower than body or enlarged stem, & therefore to a certain degree both Cots are rudimentary, & certainly in comparison with the well-developed Cots of Opuntia nigricans & basalis?
(over)
[59v]
May 29th. F or Pilocereus Houlletianum, leucocephalus seeding with stem upper part of stem much s almost cylindrical much larger than lower part, ie. swollen, with the 2 notched on summit, the sides of notch forming the 2 cotyledons—
Opuntia basilaris with the S. seedling
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 18 January, 2023