

A. 



Mim 



under the influence of maximal humidity of soil 



and air 



Absence, primary, of nyctitropic movements in* very 



99 



young leaves 



of movements in very young and in old 

 leaves of Cassia alata, 62, and of C. sumatrana , 

 Acidity, relation of, to red colouring of vegetable 



72 



63,65 



tissues 



Agencies, extrinsic, in relation to tumescence 



and other nyctitropic plants 



22 



37 



Mimosa pud 



Agitation as 



95 



a 



cause of increased filtration 



the pulvinar tissues of Leuccena glauca 

 Air, entrance of, into the cells of Selaginella serpen's 

 — n effects, of sudden exposure of the leaves of 



Mimosa pudica to relatively dry 

 Alkalinity, relation of, to blue and green colours of 



vegetable tissues ..... 

 Ammonia, effects of vapour of, on the tumescence of 



75 

 42 



102 



22 



Amputation of pinnules, effects following, in the 



28—31 



Mimosa 



100, 101, 118 





Apparatus for the reproduction of the phenomena of 

 centrifugal propagation of movements along the 

 course of mature axes of 

 localised application of heat 



Mimosa 



114 



Mim 



pudica as favouring centrifugal propagation of 

 movement • •.... 115 



Assimilation, accumulation of products of, 

 factor in determining position 



as a 



-, effects of variations in the activity of, 



82 



Mi 



<y 



Appendix C 



Mx 



Axes, effects following separation of leaves from 



98 

 107 



Mim 



to— 



112 & Appendix P 



phenomena of propagation of movements 



Mimosa 



122 



B. 



Bavhinias, position of the various parts of the leaves 

 of, at an early stage of development 



, movements in mature leaves of 



51 



51 



of 



roform 



on 



Begonia hernandaefi 

 the leaves of- 



rex, action of chloroform on the leaves of- 

 Bryophyllum calycinum, action of chloroform on the 



leaves of 



9 

 8-9 



7 







ure on 



C. 



Cassia a lata, effects of water of high tattperat 



the tissues of — . 



• • • • IS— 15 



t conditions determining the diurnal 



assumption of the nocturnal position by the leaves 

 of— * • 



, positions of various parts of the pinna 

 of, at an early stage of development 



movements of pinn© of— . # 

 i rotation of pinn© of 



, pulvinar tissue of, structurally opposed 



to rapid filtrative ldss of fluid by the cells . 



movements of the leaves of 

 diurnal and nocturnal positions of th 



38 



• 1 

 61 



|3 



67 

 60 



pinnae of- 



e 



of 



structural features in motor organs 

 , relative excess of chlorophyll in the 



69 



60 



intero-superior pulvinar pads of the pinn® of 



and in old leaves of 



, absence of movements in very young 



61 



leaves of- 



, position of the pinn® in very young 



C2 



, slowness of rate of movements in th 



62 



I 



pinn® of — g^ 



Cassia sumatrana, effects of water of high tempera- 



ture on the tissues of 



1 conditions determining the diur- 

 nal assumption of the nocturnal position by the 

 pinnae of 



12-13 



sitory 



, nyctitropism of leaves of, tran- 



38 



63 



, initial absence of movements in 



the pinnae of — .63 



•, characters of the movements in 

 pinnae of, at various stages in the evolution of the 

 leaves ........ 



pinnae of 



f structural features in pulvini of 

 , period of maximal movement in 



64 

 64 



65 



, relations of movements in the 



leaves of, to evolution of pulvinar tissues 



65 



, rotation of pinnae cf, transitory . C6 

 , movements of, slowly executed . 66 

 , relation of slowness of move- 



ments in, to structural features in the pulvini 

 Cells, relation of structure of walls of, to rates of 

 movements in different leaves • • • 



, pitting of, in pulvinar tissues of Pithecclobium 



€6 



57 



saman 



70 



Chloroform, effects of vapour of, on leaves of 



Kalanchoe laciniata, 61. Bryophyllum calycinum, 

 7. Euphorbia antiquorum, 7* Begonia rex, 8 — 9. 

 Begonia hernandacfolia, 9. Cassia sumatrana 



10 



1 



