RECORD: Darwin, C. R. n.d. Vandellia / Crossed / Proof sheets of Insectivorous plants, pp. 94 & 95. CUL-DAR77.73-81. (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 76-79 contain material for Darwin's book Cross and self fertilisation (1876).
73
Vandellia num: Aug 18. 75
Pot V
Crossed Self
2 1/2 1 7/8
3 2 5/8 ✔
2 7/8 2 1/2
2 5/8 2 11/16 5/8 ✔
1 7/8 (5 Plants)
2 7/8 ✔
4 tallest
2 7/8 ✔ 4 tallest
2
2
2 2/8
(9 Plants)
Total number of Plants measured
(I) 18 12
(II) 9 5
III 6 6
(III) IV 11 9
5 9
49 41
73v
Vandellia Aug 1875
Self Fert Crossed
all the pots added together all the pots added together
800 - 80 + 7 + 4/10
1000 + 90 + 3/10
grains grains
887.4 1090.3
(N.B the number of plants ought to counted)
49 crossed plant: 41self-fert plants: 1090gr.3: X weight of 41 crossed plants
1090.3 [x] 41 (÷* 49 =) 912.2918
912gr.3: 887.4 :: 100 X 97.27
Weight 887.40 [÷] 912.3 [=] 97.2.7
100 to 97
74
Black Thred Vandellia — Perfect flowers self-fertilised — March 30— 1875
9/12 set
52 [+] 47 [+] 49 52137 — Maximum [+] 46 [+] 104 [+] 115 [+] 111 [+] 84 [+] 87 [+] 68 [=] 804 [÷] 9 [=] 89.33
90 [+] 47 [=] 137
65 [+] 39 [=] 104
55 [+] 60 [=] 115
59 [+] 52 [=] 111
Wonderfully same fertility
White Tread Vandellia Crosses by other Plant
7/9 set
63. [+] 82. [+] 49 [+] 135 — Maximum [+] 115 [+] 55 [+] 127 [=] 626 [÷] 7 [=] 89.43
(March 1875)
83 [+] 52 [=] 135
55 [+] 60 [=] 115
69 [+] 58 [=] 127
29.15 [x] 6 [=] 174.90 5
75
Seeds from crossed perfect flowers Seeds from perfect self-fert flowers
804 — 9 7 pods
626 — 7
97 3 175 6
37
84
132 max (137) (max 135)
129 4
111
96
1490 [÷] 16 [=] 931 4 places
801 [÷] 13 [=] 616 3 places
62.0000 [÷] 93 [=] 666 = (17 67)
76
Height Ratio of selected plants Vandellia
86.3inchs Crossed: 81.12.000inches Self :: 100: X
8112 [÷] 863 [=] 939.9
(94) (94 is right) 375 [÷] 25 [=] 125
8112 [÷] 863 [=] 9 43.15 35.9 43.15 [÷] 12 [=] 3.5958
3.38000 self-fertil average Height [÷] 3.60 Crossed Plant average Height [=] 95.2
1127 [÷] 12 [=] 93.9
(Used)
77
Vandellia num: Aug. 18', 1875— Plants from seed of crossed perfect flowers & from self-fertilised (by aid) perfect flowers. These plants this year have produced no perfect, but innumerable cleistogam flowers
Crossed Plants
Pot I
2in. 7/8 [+] 1. 1/2 [+] 2. 5/8 [+] 3 1/8 ✔ [+] 3. ✔ [+] 3 5/16 ✔ [+] 2 5/8 [+] 3. 5/16 ✔ [+] 2. 3/8 [+] 2. 7/8 [+] 3 ✔ [+] 2 1/2 [+] 2. 7/8 3 [+] 2 13/16 [+] 2 7/16 [+] 2 3/16 [+] 2 3/16 [+] 2 7/16 [+] 2. 3/8 [+] 1 7/8 [+] 1 5/8 [+] 1 3/8
Corresp
2.14 [+] 2.10 [+] 3.2 [+] 3 [+] 3.5 [+] 2.10 [+] 3.5 [+] 2.6 [+] 2.14 [+] 3 [+] 2.8 [+] 3 [+] 2.13 [+] 2.7 [+] 2.3 [+] 2.3 [+] 2.7 [+] 2.6
[=] 49 1/16 [÷] 18
49.06 [÷] 18 [=] 2.726
(18 Plants) 113 [÷] 16 [=] 7
Self-fertilised Plants
Pot I
2 3/8 [+] 2. 7/8 ✔ [+] 2 1/4=4.16 [+] 2 1/8 [+] 2 6/8 ✔ [+] 3 2/8 ✔ [+] 2 7/8 ✔ [+] 2 5/8 [+] 2 4/8 [+] 3 2/8 ✔ [+] 2 2/8 [+] 2 1/8
2.6 [+] 2.14 [+] 2.4 [+] 2.2 [+] 2.12 [+] 3.4 [+] 2.14 [+] 2.10 [+] 2.8 [+] 3.4 [+] 2.4 [+] 2.2
33.0 [÷] 12
31.25 [÷] 12 [=] 2.604
84 [÷] 12
31 5
29 84
84 [÷] 16 [=] 5
/ 12 Plants
For weight see back of No V
(To see whether crowding does Harm)
78
Vandellia num: Aug 18 /75—
Pot IV
Crossed Self
3 3/4 ✔
4 ✔
3 3/4 ✔
4 1/16 ✔
3 9/16 ✔
3 3/4 ✔
3 3/8 (✔)
2 3/8
3 9/16 3 9/16 ✔
3 14/16 ✔
3 2/8
3 9/16 ✔
4 ✔
3 5/16 2 11.16
3 3/8 2 15/16
3
2 3/16
(11 Plants) (9 Plants)
79
Vandellia num. August 18th. 1875
Crossed Plants Self fertilised Plants
Pot III Pot III
4 1/2 ✔
3 13/16 ✔
4 7/16 ✔
2 9/16
3 3/8 ✔
3 3/4 ✔
3 2/8 3 1/2 ✔
4 7/16 ✔
3 1/8 ✔
4 1/2 ✔
3 2/8 ✔
(6 Plants) (6 Plants)
80
Vandellia num. August 18th. 1875
Crossed plants. Self fertilised plants
Pot II Pot II
3. 6/8 ✔ 12/16
4 ✔
3. 5/16 3 3/16 ✔
3 2/8 3 13/16 ✔
4 3/16 ✔
3 3/16 ✔
3 9/16
4 1/8 ✔
3 6/8 ✔ 12
2 3/4
3 6/8 ✔ 12
2 15/16
3 5/8 ✔ 10
3 1/8
3 15/16 ✔
(9 Plants) (8 Plants)
81
6 Crossed Plan Plants 6 Self-fertilised Plants
Six of finest plants were selected → do
63 [+] 61 [+] 47 [+] 60 [+] 30 [+] 35 [+] 25 [+] 90 [+] 53 [+] 25 [+] 54 [+] 25 [+] 15 [+] 15 [=] 598
35 [+] 50 [+] 30 [+] 60 [+] 38 [+] 60 [+] 20 [+] 65 [+] 35 [+] 40 [+] 45 [+] 65 [+] 26 [+] 23 [+] 27 [+] 45 [+] 50 [+] 23 [+] 15 [=] 752
On this side many seeds-pods look finer but by many much smaller.
6
(Vandellia)
18 [x] 5 [=] 90
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
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