RECORD: Darwin, C. R. n.d. 3 p.m Red sticks / Pure Carb(onate) of Soda. CUL-DAR60.1.41. (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).
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Sunday 7th. 3O P.m Red Sticks
Pure Carb. of soda 2. gr to 1 oz of water
spec. 1. 8th 8O 40' no effect 8th 5O. no effect. 9th. 9. no effect
X
No effect
spec. 2. 8th. 8O 40' all round-headed, except 2 & some on footstalk well inflected 8th 5O P.m utterly killed K Strong
spec. 3 8th. 8. 40 several round-headed inflected & sub-inflected 5O. P.m. same state
9th 9.. a great many marginals inflected, but look injured 9th. 5O do, perhaps reexpanding 10th 9. A.M. utterly killed. K Strong
spec. 4' 8th 8. 40. no effect 8th 5O P.m. several round- & long-headed over one spine well inflected. 9th. 9. a.m one-third of marginals inflected.
9th, 5O P.m reexpanding 10th 9. A.m. quite rexpanded & fresh.
(written over last three entries) (Finished)
Oct 8th. 8O. 45'. Blue-headed Sticks
Carb of Potash. (pure) 2 gr. to 1 oz of water
2 specn 8th 5O. Pm round-headed at ∠ 9th. 9. several round-headed marginals inflected, some long-headed at ∠, — 9th. 5O. P.m for a space round- & long-headed inflected.
10th 9.. A m. the same space with marginals inflected & leaf itself do
11' 9' almost entirely & perfectly reexpanded
2 spec 5O P.m no effect. — 9th. 9.. round-headed marginals at ∠ do 5O
10th 9. A.m round-headed marginals & some long-headed well inflected.
11' 5O P m many well inflected
11. 9. A.m. almost all well inflected
V—
3 spec 5O P.m no effect 9th. 9. several round-headed marginal sub-inflected
9th. several most round headed at ∠ 10th 9 A m. same state. 11th 9. A.m in nearly same state, I think as much expanded as ever was
4. spec. 8O 5O. P.m a few round-headed inflected. 9th 9. no clear effect —
9th 5O. no effect 10th 9. A .m no effect
11th. 9. A m no effect. —
141v
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Muriate of Soda Red-Headed Stick
Oct 9th. 9. A. m.— 2 gr. to 1 oz
1 spec 5O. no effect 10' 9.. Am no effect 11th 9. A.m no effect
2 spec 5O no effect (fly caught) 10th 9. A.m no effect excpt form fly 11' 9 A m no effect
3 spc 5O. round-headed Strongly inflected 10' 9. A m almost every round-headed Strongly inflected. 10' 5O P.m nearly all inflected
11' 9. A.m. do do
12' 9. Am do do
13' 9.. A m beginning to reexpand .14th. 9. but little more 16th nearly perfect
4 spec. 5O round-headed ∠s / 10th 9.. A.m., round-headed at ∠ ?/
9 A. m. quite reexpanded in same state as at first, I think
Oct. 10th 9. 30' Red Sticks. Sulp. of Magnesia 2 gr to 1 oz
5O. P.m no effect on any.—
1 spec
11th. 9. A.m. no effect
12. 9 A.m. do
2 spec 11th. 9. A.m. terminal marginals sub-inflected
12'. 9 Am — nearly dead — much injured
3 spec 11th. 9. A m. no effect
12th. 9 A m no effect
4 specn. 11th. 9. A. m no effect.
12. do. — do. —
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 1 December, 2025