
Ohlorororm, effects of tho vapour of, on tho Qowerjof
EibUcva rosa-siaemit, 23-24, Ipomaa heieracea .
ChloroplijU, relative excess ot, in (issuea matiug for
the diurnal position of nycUtropio leaves
• • -, excess of, in tlio inferior pad of Ihe
primary pulvinas in ^ m o i s iiurfjca
ditoria tematea, peculiarity of the blue colouring
matter in the flowers of—
Coincidences between diRrees of loss of turgidity
nnd cliangcs in colour of tissues . . . .
Colour, effects of fluctuations in temperature on, in
- ' • . changes in, determined by flnctantions of
———.normal changes in, in flowers of Ipomaa
htitraced
Concussion, movements arising under the influence
of, in nyctitropic leaves
Conditions normally determining assumption of
inaiiimal nocturnal position by nyctitropic Wres .
determining nyctitropic movements generally
.
determining alterations in the position
of the primary petioles of Mimosn pudiea .
position
of the secondary rachises of Mimosa pudica
determining tlie rate and amount of
aerally
determinine propagation ot movements
in the pinnules of Minioia pudica after mechanical
stimulation
I abnormali as affecting phenomena of
noTement
n the leaves of
jliinojipuiitca the same as those causing movements
io o'hcr nyctitropic leaves
. determining the assumption of the
nocturnal position under vi
Ccntinnily, prot-iplasmic .
-of tissues, niptu ä of. I
pngation of moveinfnts in Mimoia pudica
Contraction of gaseous contents of the Cbro-vascuUr
tissues as a cause of movements in Mimosa puii'-a
Convergence, action of the fibro-vascukr tissues in
making for—
Dead tissues as a site ot ibnormal escape of liquid . 120
Depression, deep, normally absent in leaves of Mimo-
,0 at night . . 80 and Appendix C
revelopment of tissues making for the diurnal position
of nyctitropic leaves relatively lato . . 49
of pulvinar tissues in leaves ot Pitieealohwm
faman, 53, of Cassia aiata, 62, of Caisii
Différences, itructnral, in the npper and lower pads
in the tertiary pulvini of Mntoia pudica
64
Effects of mecli&nical stimulation, incision, and hest
on water-supply 120
Equilibrium, estreme instability of. in the diurnal
position of the petiole of liimoiupiirfica . . S6
, stability of, in relulion to various conditions
of humidity fl8
, abnormal stability of, in leaves of
JUimosn pudica in a saturated atim^sphere . . 102
, period of unstable, in the opposing
masses of pulvinar tissues coincident with tho period
during which movements occur in the leaves ot
Cassia sumatranJ aai C. alata . . . . 86
Erythrina eiricta, dependence of the scarlet colour
of the flowers of, on acidity ot the cell-sap . 22, 23
Suphoihia antiguoTum, eSQcti of chloroform on the
tissues of— 7
-, laticiferous vessels of— . 97
Evolution, divergent liucs of, in the animal and
vegetable series 4
Expunsion, guscous, as an obstruction to the ascent
of water along the 3bro-vascular system
the fibro-rastular system as
a pudica . .106
Esperiments on causes of, and fluctuations in,
turgescence B—19
• demonstrating the weakness of Habcrlaadt'stheoty
in regard to the propagation of movemcnU
in Mimosa vudira 122
on the effecis c£ di^tal levcraco on the
movements of the petioles of ^imo'apudica Appeiidis A.
on the rate of transpiration in Mimosa
pudica Appendi» B
on the effects of variations in assimilatory
activity on tho movements lA Mimosa ptiiica
Appendix C
testing erroneons statements in regard
to plienomena presented by Mimosa pudiea Appendix D
^ on tho effects of hygrométrie conditions
on the moveujents of Mimosa pudicn . Appendix E
on effects of localised application of heat
to the axes of Mimosa pudiea . . . Appendix F
on the propagation of conditions giving
ri"C to movements throuah dead tissues . Appendix O
Extent ot movements in tho leaves of Mimosa pudica
regulated by conditions affecting supply and loss
of water 103
Exudation following rnpturo in tho conlinuity of
tissues as a causa ot disturbance of prc-ezislenC
equilibrium between supply and loss of liquid . IIB
Factors of movement in young pinna of Cassia alata
inductive of movements in Mimosa pudica .
Features, structural, in the motor organs of Mimosa
Fibro-vascular tissues, pprsi^tcnt softness and flfxiWlity
ot, in tho primary puUini ot Mimosa pudica .
Fibro-vascular tissues, forms of, in highly developed
, exiremo vertical compression
of. in the secondary pulviui of Pithecolohium faman,
69. and in the lertiary pulvini of Mimosa pudica .
, relalion of, to the movements
in Leucana glauca
Filtmtion, facilities for, in relation to rates at whicli
re executed
n relalion to tho structural features of tho
walls of cells
, facilities for, i
of
. relalion to tho maintenance
67
-, special facilities for, in tho primary pulvini
of Mimosa pudica
Flrxion, vertical, structural features favourinit, in
secondary pulvini of P-itieeolciium saman, 69,
and in the toriiary pulvini of Mimosa pudica . SjO, 93
Floral tissues, changes of colour in, indicative of
changes in tho chetnica) constitution of ihe cpll-sap 2i)
Flnctualions in liquid pros su re, only negative ones act
protoplasmic contraction in tho motor organs of
Mimosa pudica 123
Fluid, redistribution of, facilities for. provided by
the intercellular spaces 75
, discliargo of, as a predecessor of ihe occurrence
of movements in Mimosa pudica induced by
rupture of the continuity of the tissuca . . 118
Funclion, predominance of contractile and irritable,
in animals, and of assimilative, in plants . , 6
Gaseous contente of the water vascular system, alterations
in volume of, as causes of movements in
Mimosa pudica 106, 1] 2
Green colour ot the masses ot tissue in the secondary
and tertiary pulvini of Pitieeolubium saman
whiuh make for the diurnal position . . . 69
Guard-cells, distinctive features ot, as nyctitropic apparatus
. .
HaberlanJt, his theory in regard to the propagation
of movements in Mimosa pudica . . , , 121
Heat, effects following the application ot, to tho
leaves of i/imcisajjuiitcu under various conditions
of humidity jqo
. cffects following localised application of, to
axes of Mmosa pudica ng
a cause of extynsivu proprgation of movements
ia Mimosa pudica
, effccts ou tho tissues of exposure to— . . 1J9
, esperiments on the effects of localised application
of, to axes of J/i'm c,so jjurfica . . Appendix F
Hibiscus rosa-sinetiiis, red colour of flowers zi,
dependent on acidtiy of. the ccll-sap . . . . 23
, changcs in the colour of the
flowers oF, di termined by cessation of p;
:tÌTÌty 23-24
is ot congelation on the
colour ot the flowers of—•
Humidity, atmospheric and telluric, in relation to
the movements of . . . 98
Hygrometric condiiion", influence ot, on tlic phenomena
ut movement in ¡iimasa pudica . Appendix S
Instability of nocturnal position of the petioles ot
Mimosapudica . . . . . . .
Intercellular spaccs, smallness ot, in pulvinar tissues
ot Piticcolvbium saman and Leucana glauea, as
compared with Mimosa pudica . . . .
Ipomaa ^eJeracaa, eilects of fluctuations in temperature
on the colour of the fluwers of— .
normal changes in the colour of
the flowers of—
the flowers of —
Irritability as a
Mimosa pudicc
-.cEcctS following congelation of
1 of movement in the leaves of
With variations in conditions ot humidity
SalancAoe laciniala, effects of exposure ot the leaves
of, to vapour of chloroform $
, action ot water of high temperature
on the leaves of— ij.ia
. diurnal variations in tho reaom
of the cell-sap of
, effects fullowingthe exposure
2i
of the leaves of, to vapour of
Laminio, mechanism of the r
of nyctitropic leaves
Leaves, changes of colour in, as indicalive of alteralions
in the chemical constitution of iho ci-ll-sap .
. wilting of, in hot, dry weather
, diurnal assumption ot the nocluriial position
in nyctilropio, during hot, dry weather .
, nyctitropic roovcmeuts of— . . . .
, position of. itt Leuciena gtauca before the
establishment ot prriodic movements
Lcucama glaucu, rclntive weakness of the petiole of—
• , rotation of the petioles of—
, persistence of movements in the loaves
Leverage, i
- , pinnules of, unfolded from the
-, movements ot the leaves of— . 71
n nyctitropic movements 60,63
, distal, in favour of the diurnal position
of the pciioles ì:iPilhecohhMm /unum, and adrerse
to it in Mimosa pudica 67