RECORD: Darwin, C. R. CUL-DAR209.5.182-183. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Prepared and edited by John van Wyhe. RN1

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-DAR209.5 contains materials for Darwin's book Movement in plants (1880).


182

(3

1878        Scarlet Runner

with squares on tips of Radicles.

(Fresh seeds this year) shell-lac.

Jar A

Sept. 30th. 4, radicles on upper chimney piece Temp 71—72.

Oct 1' 9º a (9º am to 9º a.m Oct 1')

after 24º no clear effect — 5º P.m — Hav grown well— no effect card dropped off on 2 & loose on 3d.)

Oct 2º 9º 20' — fixed sqr agan— very long radicles— on Study Table 5º P.m. no effect.

           8 failures

Oct. 3d 11º a.m 4 radicles with dabs of shell— lac. on one side of tip on chimney piece— none of these any curvature opposed to dab— Oct 4th 9º a.m no effect— I think dabs too low— Oct 5' 7º 45' a.m. no effect

 

Jar C

Sept 30 5º P.m. 5 radicles with large square of sand-paper Cinder or bits of glass on Study Table Tmp 64º—66º F. 9º a.m. Oct 1. no clear effect.— 5º P.m. no effect — Put on bits of glass & immersed in water (Oct 2 9º a.m. I can see no effect, but bit of glass dropped off

5

but on cards & in air & placed jar in cold Hall passage.

5º P.m no effect. Oct 3d 10º 30' no effect— threw away.

Oct. 3d 10º 45 am new lot of 5 with dab of thick shell-lac on one side of tip on chimney piece— none of them any curvature away from dab. + 5

(Oct 4º 8º 45 The dab were rather low down & the tips of 4 are curved to dabs— in 5th quit straight & in this dab covers whole apex— dabs removed & non put on till radicles straightn themselves

over

 

Jar B

Oct 1st. 10º 40' a.m: 5 radicles with bits of covring glass & shell-lac in water on Study Table in darkness.

5º P.m no clear effect Oct 2d 9º a.m no effect 5

2d 9º 15' fixed new sqr. of card & put on H(illegible) f chimney piece in damp air — 5º P.m Perhaps some effect, especially the little knob of shell-lac. — Oct 3d 10º 30' a.m. shell-lac dropped off 2, the 3 others certainly seem bent from shell-lac; left to observe — 4º 30' P.m — I cannt doubt about bendng from the dabs) (—Oct 4th 8º. 30 a.m radicles grown straighter & dabs loose—, removed them & put fresh ones at right angles to any curvature

3/5 5 bent from dabs of shell-lac.

182v

Jar C. one crooked radicles thrown away Oct. 4th 4º 50' 3 of the the tips had stragtend themself, & put small dabs on one side of apex of 4, at right angles to any pr now existing curvature. Oct 5' 7º 40' a.m no effect

Jar (B) Oct 4' 8º a.m. shell-lac minute & largish dabs of shell-lac on extreme tips of several secondary roots.

Oct 6 the  10º 30' no effect

183

(4

Oct 7' 1878

8º 45'. a.m

Phaseolus Scarlet. radicles with small square of sand-paper & some with little dabbs of shell-lac on apex.— All straight when fixed.— Kept on upper Chimney piece. Temp abut 70º

5º P.m. perhaps one or two affected

Oct. 8th 8º a.m. Perhaps. 8, 9 & 11 a little curved from squares. These fell off with grt readiness, so had to refix fresh squares to No' 3, 4, 6 & 7.

Oct 8th 4º 45' (2) & (3) a little affected— — Apparently 8 also

Oct 9th 8º 30' (1) dab of shell-lac no effect

  (2) perhaps some curvature from sq

3/12 slightly

  (3) — perhaps some    do    do

(4) no effect (5) dab no effect (6) no effect (7)(8)(9)(10) ( dab) 11 & 12 both dabs — (on reverse, remnant of white paper associated with this pin) no effect (11) dab perhaps an effect Altogether no clear effect.

Oct 10th 8º a.m. both now straight which makes me believe were before affected slightly— none of others can be said to be affected—


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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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