The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. [1882]. See about sand to be well washed / Salpiglossa. CUL-DAR68.21. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 4.2023. 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-DAR68 contains notes on 'bloom'. Francis Darwin explained: "His researches into the meaning of the 'bloom,' or waxy coating found on many leaves, was one of those inquiries which remained unfinished at the time of his death. He amassed a quantity of notes on the subject". LL3: 339. See an Introduction to these folders by Christine Chua & John van Wyhe.

[21]

See about sand to be well washed.

Salpiglossa—

Iberis umbellata & convolvulus major grows well in sand — not so

Sweet Pea. — Petunia violacea & mimulus lutens. — ought to be tried — (see Cross-Fert. what other plants were tried & became uniform in colour, besides the Convolvulus & Petunia)

Get Frank to give prescription about the nutritive fluids— Address of Chemist for Lithium. — Zinc — see Tieghem for substances.

Try omitting potash & give Lithium or Rubidium.

Try watering with Quinine or other alkaloids.

[21v]

Salpiglossa— with very variable flower in colour.

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