RECORD: Darwin, C. R. n.d. Drosera [application of phosphate [of ammonia?] in various strengths]. CUL-DAR54.100-106. (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).
100
(1)
Drosera (in Rag) May 27
1 gr to 750 of water (No 5 & 6)
11 [+] 6 [+] 6 [+] 5 [+] 5 [+] 7 [+] 3 [+] 8. [+] 6. [+] 7 [+] 9. [+] 12 [+] 6 [+] 8 [+] 6 [+] 1 [+] 4. [+] 3 [=] 90 4 [+] 7 [+] 6 + [+] 7. [+] 8. [+] 7. [+] 7 [+] 5 [+] 5 [+] 4 [+] 3. [+] 5 [+] 7 [=] 78 6 [+] 2 [+] 8 [+] 6 [+] 2 [=] 24
90 [+] 78 [+] 24 [=] 192 [+] 20 [=] 212
(212) error
188 [+] 24 [=] 212
101
2
Drosera (in Rag) May 27
1 gr to 750 oz of water (No' 5 & 6)
11 [+] 6. [+] 5 [+] 8. [+] 5 [+] 5. [+] 5 [+] 11. [+] 5 [+] 8 [+] 4 [+] [+] 10 [+] 13 [=] 93 13 [+] 6 [+] 4 [+] 10 [+] 9 [+] 7 [+] 9 [+] 1. [+] 5 [+] 4 [+] 4 [+] 13 [+] 8 [+] 2 loose [+] 5 [=] 70 6 [+] 7 [+] 1 [+] 5 [=] 19
53 [+] 70 [+] 19 [+] 66 [=] 202
(202)
183 [+] 19 [=] 202
173
12 173 [+] 19 [=] 192 123
102
3
Drosera 1 gr to 5000 oz May 30th
No (14) (White & Black Thread together)
5 [+] 6 [+] 5. [+] 8. [+] 15. [+] 6 [+] 9 [+] 10 [+] 7. [+] 5 [+] 10 [+] 8 [+] 6 [+] 8 [+] 9 [+] 5 [+] 6 [+] 2 [+] 8 [+] 9 [+] 8 [+] 1 [+] 9 [+] 9 [+] 4 [=] 148 [+] 30 [+] 178
(178)
[sketch]
148
103
4
Drosera
Leaf with pin through stalk 1 gr of N to 1000 of water
Nor 7 )
87 7 [+] 7 [+] 14. [+] 12 [+] 7 [+] 3 [+] 3 [+] 6. [+] 9: 48 [+] 7 [+] 4 [+] 6. [+] 4 [+] 1 loose [+] 18 11 [+] 3. [+] 6. [+] 8. [+] 61— 7 [+] 3/ [+] 3 [+] 3/ [+] 3 [+] 3/ [+] 3 [+] 6 [+] 6 [+] 2 [+] 6 [+] 6 [+] 3 [+] 3 [+] 4 [+] 6 [+] 6 48 [+] 3 [+] 4 [+] 6 [+] 7 [+] 5 [+] 5 [+] 6 [+] 6
67 [+] 40 [+] 117 [=] (233)
(232) (233)
✔
185 [+] 48 [=] 233
188
155 168 123 185
104
(5
Phosphate 1 gr to 1000 oz No 7 watch glass my number (3)
13 [+] 6 [+] 14 [+] 10 [+] 9 [+] 11 [+] 6 [+] 10 [+] 8 [+] 7 [+] 8 [+] 7 [+] 9 [+] 4 [+] 9 [+] 10 [+] 6 [+] 6 [+] 9 [+] 7 [+] 7 [+] 10 [+] 10 [+] 6 [=] 202 [+] 10 [+] 6 [+] 12 [+] 12 [+] 7 [+] 6 [=] 255 tentacles in all
N. B Plants in Hot House seem to have developed more tentacles than those out of doors under nature
75 [÷] 4 [=] 18.3
✔ 125 [÷] 4 [=] 31.1
105
6
1 gr to 3000 oz June 1' (No 8)
(White wool)
89 [+] 110 [=] 199
14 [+] 14 [+] 12 [+] 11 [+] 2 [+] 13 [+] 8 [+] 14 [+] 7 [+] 4 [+] 6 [+] 8 [+] 10 [+] 8 [+] 14 [+] 1 [+] 5 [+] 9 [+] 7 [+] 11 [+] 10 [+] 2 [+] 10 [+] 3 [=] 200
✔
(200)
200 [-] 17 [=] 183
93
106
7
Drosera
(Leaf with pin through Disc) (No 7)
1 gr to 5000 of water
18 [+] 14 [+] 7 [+] 15 [+] 64— 10. [+] 7 [+] 6 [+] 9 [+] 18. [+] 14 [+] 5 [+] 2 [+] 14 [+] 10 [+] 9. [+] 11. [+] 11 [+] 3. [+] 10 [+] 12 [+] 11 [+] 2 [+] 12 [+] 9 [+] 11. [+] 10 [=] 260
77 [+] 64 [=] 141 [+] 120 [=] 261
(260)
260 [-] 22 [=] 238
100 105
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 30 November, 2025