RECORD: Darwin, C. R. 1878.06.01-04. Lotus / Proof sheet of Forms of flowers and Draft of Cross and self fertilisation. CUL-DAR209.4.206-207. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and John van Wyhe, edited by John van Wyhe 9.2022. 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. The volume CUL-DAR209.4 contains materials for Darwin's book Movement in plants (1880).


[206]

Lotus 2d 5 5/8 of inch

Jun 1st

. 35'
2. 15 to left
3. 15 do
3. 53 risen a good deal
 do   do 4. 25  
5 23 very high up, but viewed obliquely
6. 30 vertical

June 2

6. 45 a.m fallen tremendously

8° 20 fallen a little

9. 40 am atom up

slided pot further off & to right

9° 40

10. 28 risen a little

11. 30   up considerably

12. 45   fallen to near where was at 9° 40'

1. 52 still lower

2. 45 up

3. 30 up

4. risen greatly

5 do

6° do

7. 5 do

8. 55 highly inclined no mark

June 3d

6° 45 fallen greatly during night

8' 50 tremendous fall

9 55   down  

11 down & to right

[206v]

[Proof sheet of Forms of flowers, p. 338]

[207]

June 3d continued / Lotus

June 3d continued/ Lotus

12° up vertically

1° very up

2° up.

3' risen greatly

3. 50   do

5. 5 up

6° far up

7. 12 very far up

9. 5  P.m.  to right & up

Lotus June 4th

Lotus June 4th

6°. 50     ⨀

8. 25 a little down & to left red

10. 15 far down

10 55 down & to left

11. 25 up. little

12° risen a bit

1°   to left

1. 27 an atom down

1 58   risen & to left

2 30 an atom right

3. 10 little up

3. 55 fallen & to right

5 10' up & to left

6 . 5 up— short way

8° 20' nearly same place not marked

 

On 4th 17 1/2 C. greater part of day

on 2d day circumnutated on spot till fr 9° to 2°

(on 2d day great nutation rise had ceased)

[207v]

compared. The self-fertility of Primula veris increased after several generations of illegitimate fertilisation, which is a process closely analogous to self-fertilisation, but only as long as the plants were cultivated under the same favourable conditions. I have also elsewhere shown* (*Journal Linn Soc Bot Vol X 1867 p. 417 & 419) that with Primula Veries & sinensis, equal-styled varieties occasionally appear which possess the sexual organs of the two forms combined in the same flower. Consequently they fertilise themselves in a legitimate manner and are highly self-fertile but the remarkable fact is that they are rather more fertile than ordinary plants of the same species legitimately fertilised by pollen from a distant individual.

[Cross and self fertilisation, p. 351: "The self-fertility of Primula veris increased after several generations of illegitimate fertilisation, which is a process closely analogous to self-fertilisation, but only as long as the plants were cultivated under the same favourable conditions. I have also elsewhere shown* that with Primula veris and sinensis, equal-styled varieties occasionally appear which possess the sexual organs of the two forms combined in the same flower. Consequently they fertilise themselves in a legitimate manner and are highly self-fertile; but the remarkable fact is that they are rather more fertile than ordinary plants of the same species legitimately fertilised by pollen from a distinct individual."]


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

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