RECORD: Darwin, C. R. [1878].06.07-09. Drosera rotundifolia / Draft of Cross and self fertilisation, 2d ed. CUL-DAR209.3.175-176. (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 12.2022. 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-DAR209.3 contains materials for Darwin's book Movement in plants (1880).

Draft is in the hand of Ebenezer Norman with corrections by Darwin. The text of the draft corresponds to Cross and self fertilisation, 2d ed., pp. 380 and 382.


[175]

Drosera young leaf tents close

June 7th 9° 15 O

10: 20' up

11 20 up

12° 5 do

1. 30 far up

3° to left & down

4 down, parallel to up line

5 rises risen again. & to left

6. 7' same course

7' 15 down & to right

9° far up

10. 45 up & to right.

 

June 8th

Used

 

6° 40

8. down (tentacles still closed

9' do a little

10° up.

11 . 15 up

11 . 32 up. much

12 . 12 up & to left

1° down

2. 5 further down

2 .55 same spot

3 45 still down

4. 55 do.

6° do

6. 30' — up

7. 15 down. little

9° down & to right

10. 40' up

 

9th 6°. 45

  8. 30

many t. projecting at right angles

[175v]

[fragment only]

* page 48

Fritz Müller has discovered, (Jenaische Zeitsch. B. IV. p. 451) (in the animal kingdom) a case curiously analogous with this to that of plants bearing cleistogamic and perfect [text excised]

[176]

Drosera June 9th new, old leaf Horizontal (disturbed)

9° 12' first mark

10° not moved

10° 35' new dot more magnified

11. 35 to left & down

12. 40 an atom down

1. 35 almost same spot

2. 15    do

3. 5.    do

4° an atom down dot

6° 5 an atom to right & down

7. 12 little lower

10. 40'    do

Used

 

10th

 

6° 55' marked ⨀

slided Pot 10th

 

6° 55' 7° A.m C. of ammonia

8 8° 5' risen & to right, may be evaporated & loss of weight

9° risen & to right most glands blackened & many closing inflated.

9° 260 a little to left

10. 15  an atom up & to right

11. 30  up.

12 50  up much

1. 40  up

2 40  up

3.6   down & to left

3 53  down & to right

5°   up & to right

6. 15  up & to left

7 20'  to left & down, this marked —

[176v]

self-fertilisation, and ordinary flowers which are adapted so as to allow of at least occasional cross-fertilisation; the two thirds of flowers being produced by the same plant.* The former are always minute, completely


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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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