RECORD: Darwin, C. R. & Francis. 1878.07.31-.08.04. Pinus pinaster / Draft of Cross and self fertilisation. CUL-DAR209.3.275-276. (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 on Circumnutation of leaves and hyponasty for Darwin's book Movement in plants (1880). The text of the draft corresponds to Cross and self fertilisation, pp. 426-8.
[275]
Pinus Pinaster July 31
8° 45' first dot stem tied
9 20' down & to left. ( begin Here)
10. 26 to left ︖
11 4 2 5 up considerably & to left
1° down & to left
2 5' down & parallel & to right
3. 8 nearly same course (did I make
☞ mistake up & lower ends of mark
4. 3 down & to left
6. 7 straight down
7 . 20 same course
9 to right
10. 30' down Used
Point of leaf 12 inches from glass
Aug. 1' 6° 40' am far down ......
2°
4°
6°
8°‒ 30 to right & little up
9. 15 same course
10. 15 straight up
11. 20 down & to right
12 up & back. — can such small movements be trusted?
}
2° up
4. 5' to the right
6. 5 up
9° a little down
clearly circumnutating about same point
Pushed pot further off & in new Place
Aug 2d 7° a.m dots in 2 Places
8°. 45 a little up & to right
11. 5 up.
12. 55 straight up
3° up (Brighter day) no very dark all early morning yet rose
4° up & little to R
6 up & to left
7° 15 to right horizontal.
9° up & little to right
10. 35 to right & up.
[275v]
[The excised right side of this page is at CUL-DAR.209.3.272.]
through the corolla; but in
anner although they could
obtain the nectar in a in a legit=
to corolla.)
ck)
methos of operating, on flowers
es from the outside close to
idden within the corolla.
of Stachys coccinea had
upper side of the corolla near the base.
rabilis & of Salvia coccinea
manner; whist with those
lyx which is much elongated in had
rolla were both invariably
Pentstemon cornutus is argutus are
st named, and two holes
ave always bored through been made in them
[276]
Pinus Pinaster Aug 3d
Aug 3d 6° 40' am. to left & down .......
9°. 5 down & to left little
10· 30 down & little to right
12° to right & down (crossed yesterdays line )—
1· 50 down & to right
3° a little up & to left
4 to right & up short-way
6° 5' up & to L.
8 30 down parallel & back
10· 35 up . parallel
4th 6° 43 a little up .......
8 20 up & to leftUsed
[276v]
734 (20
Ch XI
through a lens. This process was repeated many times; but I did not succeed in finding a single flower, though many hundreds were examined, which had not been perforated. Humble-bees were at the time sucking the flowers through these perforations. On the following day a large number of flowers were examined on the another heath with the same result, but here hive-bees were sucking through the holes. which probably had been made by humble bees. This case is all the more remarkable, as the innumerable
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 20 December, 2025