The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. 1878.09.19. Phalaris / Draft of Cross and self fertilisation, p. 46. CUL-DAR209.7.91. (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 8.2022. 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 volumes CUL-DAR209.7-8 contain notes on heliotropism (phototropism) for Darwin's book Movement in plants (1880).

[91]

Phalaris

Bright Light

Sept 19th

(Used)

10. 23
10. 40

Certainly these 2 move but they started later

11. 2
11. 20'
11. 43.
12. 5
12. 33 to right, I suppose beginning to circumntate
1.7 back from Light
1. 30 do.
2. 4 from light & to right (—standing [illeg]
2. 30 from light & to L
3. 2 straight to Light
3 31 from light
4
4. 30
5°.

in 2 1/2 & the began to move after 4° 30' every day &c & kept long bowed

[92]

[Draft table, Cross and self fertilisation, p. 46.]

TABLE 13.

No. of Pot	Colchester crossed Plants	Intercrossed plants of the tenth generation
I	87 87 4/8 85 1/8	78 68 4/8 94 4/8
II	93 6/8 85 4/8 90 5/8	60 87 2/8 45 4/8
III	84 2/8	70 1/8

[remainder of page excised]

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