INDEX. 



157 



Fibro-vascular tissue?, forms of, in highly developed 

 pulvini « • . . 73 



, extreme vertical compression 



of, in the secondary pul vini of Pithecolobium soman, 



69. and in the tertiary pulvini of Mimosa pudica . 80 



— , relation of, to the movements 

 in Leucmna glauca • . . , 



Filtration, facilities for, in relation to rates at which 

 movements are executed . 



73 



76 



in relation to the structural features of tho 



walls of cells 



67 



, facilities for, in relation to the maintenance 



of tumescence 



57 



, special facilities for, in the primary pulvini 



of Mimosa pudica ........ 86 



Flexion, vertical, structural features favouring, in 

 secondary pulvini of Pithecolubium soman, 69, 

 and in the ternary pulvini of Mimosa pudica . 90, 93 

 Floral tissues, changes of colour in, indicative of 



changes in the chemical constitution of tho cell-sap 29 

 Fluctuation* in liquid pressure, only mgative ones act 



as stimuli to the movements ascribed to active 



protoplasmic contraction in the motor organs of 



Mimosa pudica • . 



Fluid, redistribution of, facilities for, provided by 

 the intercellular spaces . . • • 



123 



75 



« , discharge of, as a predecessor of the occur- 

 rence of movements in Mimosa pudica induced by 

 rupture of the continuity of the tissues . • 



Function, predominance of contractile and irritable, 

 in animals, and of assimilative, in plants 



118 



6 



G. 



Gaseous contents of the water vascular system, alter- 

 ations in volume of, as causes of movements in 

 Mimosa pudica ...... 



JOS, 1J2 



Green colour of the masses of tissue in the secondary 

 and tertiary pulvini of Pithecolobium soman 

 which make for the diurnal position 



Guard-cells, distinctive features of, as nyctitropic ap- 





69 



paratus 



44 



H. 



121 



Haberlandt, his theory in regard to the propagation 



of movements in Mimosa pudica • 

 Heat, effects following the application of, to the 

 leaves of Mimosa pudica under various conditions 

 of humidity 100 



— , effects following localised application of, to 



axes of Mimosa pudica 



a cause of extensive propagation of movements 

 in Mimosa pudica ...•••• 



112 



, effects on the tissues of exposure 



, experiments on the effects of localised applica- 



119 

 119 



tion of, to axes of Mimosa pudica 



Appendix F 



Mil 



vtseus r 



-sinensis, led colour of flowers of, 



dependent on acidtiy of the cell-sap 



: • 



23 





Hib'tcus rosa-sinentis, chants in the colour of the 

 flowers of, determined by cessation of protoplasmic 



activity 



23-21 



, effects of congelation on th 



colour of the flowers of 

 Humidity, atmospheric and telluric, in relation to 



the movements «<f Mimosa pudica . 

 Hygrometric condition*, influence of, on the pheno* 



S3 



GS 



(lira 



Appendix K 



I. 



Instability of nocturnal position of the petioles of 



Mimosa pudica ••••••• 



80 



Intercellular spaces, amallne?s of, in pulvinar tissues 

 of Pithtcoh.hium soman and Leuca ta glauca, as 

 compared with Mimosa pudica 



Ipomcpa hedcracea* eflectw of fluctuations in tempera- 

 ture on the colour of the flowers of 



, normal changes in the colour of 



74 



2J 



the flowers of 



, effects following congelation of 



the flowers of- 

 Irritability as a cause of movement in the leaves of 



Mimosa pudica 



, variations in degree of, ia connection 

 with variations in condiiions of humidity 



26 



94 



\O0 



Ralanchos laciniata, effects of exposure of the leaves 



of, to vapour of chloroform • • • * • 



"% action of water of high tem^ 



i 



perature on the leaves of— . 



. 11-12 



, diurnal variations in the reac- 



tion of the cell-sap of . ..... 21 



, effects fc»l lowing the exposure 



of the leaves of, to vapour of ammonia 



28 



L. 



Laminae, mechanism of the movements of, in pinna* 



of nyctitropic leaves 



Leaves, changes of colour in, as indicative of altera- 

 tions in the chemical constitution of the cell-sap . 

 , wilting of, in hot, dry weather 

 , diurnal assumption of the nocturnal pDsition 

 in nyctitropic, during hot, dry weather . 



, nyctitropic movements of 



, position of, ia Leuccena glauca before the 

 establishment of periodic movements . . 

 Leuccena glauca, relative weakness of the petiole of 



— , rotation of the petioles of 

 , persistence of movements in the leaves 



43 



20 

 37 



37 



4<i 



72 



ri 



71 



of 



72 



pinnules of, unfolded from the 



outset 



„ to 



. 71 

 Leverage, influence of, on nyctitropic movements 60, 62 



-, movements of the leaves of 



, distal, in favour of the diurnal position 



of the peiioles mPithecolub.um soman, and adverse 

 to it in Mim os a pudica • . • • • • 



67 



