RECORD: Darwin, C. R. 1855. [Notes on immersion of seeds in salt water]. CUL-DAR27.1.F20-F23. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2021. RN2
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.
[F20]
1855
May 10th - Put all those on other side in salt-water in Wine cellar at 11 A.M.
May 11th 10 1/2 46.º 5
May 12 46º
13 46º changed water of big seeds.
14th 46º changed water of little seeds: in several cases much discoloured: seeds much swollen.
15.
16 - 46º changed water of big seeds water frothed.
17 - 46.25 little Bottles: water smelt slightly in few.
18 46.5.
19 46.6 changed water of big seeds.
20 -
21 - 47º changed small bottle
22d 47º
23d 47.5. water of big seeds.
24th water of little seeds.
25. 47.8
26th Big seeds
27
28 49.5. little seeds.
29
30 48º Big seeds.
31. little seeds
Jun 1. 48.º 5 (some little seeds changed)
Jun 2d. Big seeds.
3d 49.º 2
4th all small seeds.
5 49.º 6 big seeds
6th.
7th 50.º 5 Changed large & small sd.
8
9
10
11th 51º changed water of both
12th
June 13th 51.º 5
14 changed both
15 51.º5
16th
17th changed all
18th 51º
19
20 changed all
21
22
23d 51.º2 changed
24th
25th 51.º 7
26th changed
27th
28 52.º 5
29 changed
30th 52.º 5
July 1
Jul 2d. (changed)
3d (54º)
4
5th (changed)
6th
7th 54.5
8th changed
9th
10th
11 changed
12th 55.º 2
13
14th changed
15
16th
17th changed
18th. 55.º2
19
20
21 changed
22
23
24th changed
25
26th 55.º 5'
27th changed
28
29
30th changed
31
August
1
2d changed
3 56.º 5
4
5 changed
9th do
11th 56º
18th 56.º 7
23d 58º
Sept 1 56.5
[F20v]
Planted May 21, except those with cross - 17 days in salt
29. X Convolvulus minor - May 17th little plants perfect cotyledons & radicles escaped whilst under water (24th germ. (22 days) June 1s many seeds bursting planted.
30 Sensitive Plant. O - June 10th after 22 days - 1 or 2 seeds.
1. Catells Reliance Cabb. (23d) / June 4th (60 germinated nearly all.
2. Mammoth White Broccoli (23d) about 60 / O
3. Early Cauliflower (25) 100 seeds / June 6th 1 seed. 5/100
4. Common Cress. / June 5th (tried for drying)
5. Erysimum Perfectimum (24') (25th several) / June 6th (1 seed) several
6. Alstroemeria pulchella dead (dead) / (O June 15) [crossed]
7 Lupinus polyphyllus (When swelled) (28 1 seed) /June 7 3/7 swollen: 7 not swollen all dead
8 Hibiscus manihot O (good seed) / (O June 15)
9 Holcus saccharentus (26) X / June 8th
10 Salmostiga trilobata O Con / June 16th (4 seeds 22d.)
11 Canary seed / June 5th.
12 Carrot / June 10th. (1 seed) [crossed]
13 argemone mexicana June 8th (1 seed) / June 23d.
14 Epacris paludosa O (dead) / O [crossed]
15 Phlox Drumondii (mixed vars) O rather poor seed. / O
16 Clarkia pulchella (25) / --
17 Cistus (mixed) June 4th? / June 12th. (2 very poorly)
18 Scarlet 10 week stock (24th) / --
19 Physalis alkekenji (dead) June 15th I think seed alive but thrown away) / (O June 15th)
20. Mixed German Aster (26th) / --
21 Marseilles Poppy (28th) / --
22 Geum Coccineum splendens (June 3d.) / O
23 Ageractum mexicanum (31d 2 or 3 seed) / June 10th.
24 Celery Catells White / --
25 Capsicum / --
26 Mustard swollen (24th) O June / --
27 Spring Spinach (24") / --
28 Tomato Pencil (pear-shaped) O / --
28 Potatoe (28th) (printed figure) / June 15th 1 seed.
Palma Christi (minor) June 6th minor 1 seed. var minor
Palma Christi (major) sunk & [illeg] (dead?) 1 seed, var minor
Lupinus annual straw-coloured many swollen (May 25th 1 seed 26 other seed) 3/5 lived not swollen / June 5th swollen but small. 4/12
Canna Indica (June 1st) eleven days. 1/2 germinated (poor seed) / June 23d not dead but taken up.
Oats
Sea Kale (float) 21' several have sunk (1 just begin to germinate on Jun 1st: & in eleven days / skinned
Nasturtium (28th. 1 seed) 4/6 germinated
Johnson's Wonder Beans May 21 many swollen (1 Bean May 27th) 2/6 lived / dead 3
Early Forming Dul K. Beans— do do 6 Kidneys dead
[F21]
Planted June 15th after 36 days 3 salt / June 29th 50 days
1 Catells Cabbage (June 19th well) excellently / I suspect injured by too much sun
3 Cauliflower O / O
6 Erysimum (June 19th 1 seed) well / 1 July 12 only one seed
7 Lupinus polyphyllus (25th just beginning) 2 of them, but did not fully protrude / O July 26th
9 Holcus saccharentus (July 5' 2 just beginning) July 7th. 2 or 3. (fairly) / O July 26th
13 Argemone mexicana July 5th well / July 12th well excellently.
17 Cistus (well June 22) / O July 26th
22 Geum (July 5 Well) July 14th 1 seed.
23 Ageratum (June 28th) / July 7th 2 or 3
26 Mustard O / --
28 Tomato O O / --
28 Potatoe June 22d excellently / July 7th excellently
Canna Indica July 5th (1) / July 28th several but poorly
Palma Christi (June 29th. great var.) July 1 little var. one of each / --
Lupine Annual (June 19th) 3/18) / O July 10th.
29 Convolvulus (22d 1 seed) (all rest dead.) / O
30 Mimosa July 2d. 2 seeds. excellently July 5th. - 2 out of few well
[in margin:] I suspect
June 16th after 37 days in open good
Nasturtium (June 29th several germinated) almost all / in Pot. Frame O.
Sea Kale July 3d 2 or 3, 4 several
Are not Rhubarb, Atriplex, Beet, low Plants, because Hooker remark that low plants extend furthest? Ask Catell whether those seeds which I find stand salt longest are the longest keepers.
[F22]
Hooker's Seeds. (good germinators) 2 & 4
28 days in salt. Planted June 7th Put in Frame / July 3d 54 days
28. Potato (June 17th) plant 2 or 3) (Planted in other Pot?) / not planted
16 Clarkia pulchella (23d well) / O 24th
18. Ten week Stock (June 10th?) / O 24th
20 German Aster (June 17th) / O 24th
21 Poppy June 25th (well) / O 24th
26 Mustard (O June 15th) Planted again on 15' after 36 days
27 Spinach (June 13) / July 16th.
Sea Kale in Pot (June 27th 1 came up) / not planted
Nasturtium in Pot (2/12? germinated. [Sat] unknown / do
Johnstons Wonder Beans in ground O 60 Planted / do
Early Frame D Kidney Bean O 80 Planted / do
[in margin:] I suspect injured by too much sun
July 19th 70 days / Aug 18th. 100 days.
5 Erysimum O Aug 3d
9 Holcus O 13th.
13 Argemone July 30th
16 Clarkia O Augt
17 Cistus July 31st
18 10 week stock O Aug 3d
20 Aster O Aug 3d
21 Poppy O do
22 Geum Aug 1st (1 seed)
23 Ageratum (July 31st 1) / Sept 2d 1 seed, out of many / Planted Sept 7th. 120 days / Planted Sept 24 137 days
27 Spinach (July 23d) excellently / Aug 22d 4 / 2 or 3 / O
28 Potato July 26' (just beginning) excellently 28th excellently Aug 27th. 8 O
28 Tomato O Aug 9th
Lupinus (.) O
Nasturtium in Garden. O
Onion (100 days tank & Cellar) July 26th 1 2 or 3. only out of the 30
Dandelion 61 days. July 21st. excellently
August 3d. 85 days / Planted 18th Aug 100 days / Planted Sept 7th 120 days / Planted Sept 24. 137 days
Cress O / Celery Sept 3. splendid / 1. 24th / 3 or 4 Oct 3d.— Oct 8th. very many
Carrot O
Capsicum Aug 14th well excellently 5/29 / 28th excellently / 5 germ/22 yet 1/2 dried first / Oct 8th well O 22d
Oats Aug 9th excellently / Aug 26 4 / half germinated / O
Canary seed. Aug 9th. moderate most germinated & then died off / Aug 27 1/2 germinated 1/2 germ. Oct 9 many / 2 germinated / --
[F23]
Lettuce March 18th without salt Salt 7 days Salt 14 days Salt 21 days Salt 28 6 weeks 8 weeks
Lettuce 3 1 1 2 several 2 3 2, 5, 7
Radish 3 2 3, 1 seed 4 several 6 5—6
Cabbage 3 3, 2 : 5, 2 others 8, 2 seed O O O ——
Cress 3 1 2 2 2 4—5 9
Onions 5 2 2 3, 4 several 4 6 1 seed 4—5
Carrot 5 3 3 5, 1 seed 6 5 9
Celery 14 6 1 seed 7 9 8—9 9 9
Oats Aug 7' 3 2 3 3 3—4
Beans 5 or 6 13 O ——
Marrow Cucurbita ovifera 4 4 4 5 O not ripened
Chile Capsicum 10 9 9 9
Rhubard 10 3 4 4 7
Oracle Atriplex 2 1 1
Beet Beta 5 1 1 2—3 5
Spinach 4 not salted
Trif. incrnt. 2 O O O ——
White Ane 3 not salted
Yellow Ane 6 not salted
Borage Borago officinalis not tried 2 3 3 O
Poppy all dead O O
Canry seed Phalaris Canariensis not salted 3 3 2—3 3—4
Barly Hrdeum 2 do 2 2 2—3 O
Linseed Linm usitatissimm 3 (well germed) 3 4 4 (1 seed)0 O
Peas not salted1 3 O O O
Savory do2 4, 1 seed; 6 2d. 4— 4
Furze 9 6, 2seed / 8 several 12
[illeg] 233
Kidney Bean 3—4
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 8 December, 2025