RECORD: Darwin, C. R. n.d. Muriate of Ammonia / Nitrate of Potash. CUL-DAR60.1.40. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Text prepared and edited by John van Wyhe. 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-DAR 54-61 contain material for Darwin's book Insectivorous plants (1875).


40

Sept 7th.    12. 50.    Nitrate Muriate of Ammonia    4 gr to 1 oz    Oldest Basin

8th.    11O. 35'    a few marginal hairs inflected but not much effect

Sept 10th. 10O. 40    Muriate of Ammonia. (4 gr to 1 oz ?)

Sept 11.    5. 40.    1 spec.    no effect

   2 spec'.    no effect milk put on 11th at 11' 10 10'; now 5O 40' no effect form milk X

Sept 7th.    12O 50.    Nitrate of Potash

Sept 8.    11. 35.    leaf shrivelled but then plant monstrous    (Try again)

 Sept. 10'.    10O. 45'.    Nitrate of Potash    4 gr. to 1 oz

   1 spc    le

   Sept 11.    10O A m.

1' specn. leaf shrivelled    no contraction

2. spec.    no decided. effect.    no contraction

3. spec    leaf somewhat shrivelled no contraction

(11th    10O put on milk)    at. 5O. 40' no very decided effect.— Sept 12. 9. 45'    some decided effect but not much X—) leaf probably somewhat injured. (full measure)

 Muriate of Ammonia

Sept 10th    10O 40

― 11.    10. A.m.

   1 spec.    no contraction (11th. 10O Milk) Sept 12th.    9. 45'   → very many hairs Strongly inflected, not many however of long-headed.

X 2 spec    no contraction    Sept 12. 9. 45 no contraction, & leaf not injured;

      Sept 12th. 9.. 45'    Albumen put on. — 5O. 30' Strong inflection.

Muriate of Ammonia    Sept 12    10. 25.    2 gr to 2 oz

Sept 13th.    9  10. 45

1. spec. (a few hairs marginal inflected, but I think form touching card

X 4O 45' no more inflected — Sept 14th.    5O P.m. now much inflected but look injured    thrown away

2d spec.    no effect. —    4O. 45'    now quit shrivelled (thrown away)


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

File last updated 1 December, 2025