75^ PLANT RESPONSE 



PAGE 



95. Growth in response to hydraulic transmission of energy . . . 430 



96. Effect of decreased suctional activity on growth .... 429 



97. Effect of increased hydrostatic pressure on growth of Balsam . . 428 



98. Effect of increased hydrostatic pressure on growth of Crinum Lily . 428 



99. Effect of tension on growth ........ 433 



100. Bifurcated expression of stimulus in contractile response and resump- 



tion of growth .......... 435 



101. Similarity of response in stationary and growing organs . . . 436 



102. Retardation of growth by external stimulus ..... 436 



103. Detection of latent stimulus by negative after-effect . . . . 459 



104. Constancy of sum of direct effect and negative after-effect . . 460 



105. Vanishing of latent component above the optimum . . . . 461 



106. Variation of receptivity with temperature ..... 461 



107. Direct and indirect effect of stimulus on plant in -different tonic 



conditions ......... 462, 463 



108. Diurnal variation of rate of growth in Oryza sativa . . . . 473 



109. Diurnal variation of rate of growth in seedling of Tamarindus indica 474 

 no. Effect of high frequency Tesla current on growth . . . .619 

 in. Effect of Hertzian waves on growth . . . . . . . 618 



Responsive Growth-curvatures 



112. Response of pistil of Musa to unilateral thermal stimulation . . 68 



113. Response of Crocus to moderate unilateral stimulation of tip . . 526 



114. Response of Crocus to stronger stimulation ..... 526 



115. Response of Crocus to direct stimulation of growing region . . . 527 



116. Response of root of Bindweed to unilateral stimulus of tip . . 526 



117. Response of root of Bindweed to stronger stimulation of tip . . 527 



118. Response of root of Bindweed to unilateral stimulation of growing 



region ........... 527 



Torsional Response 



119. Torsional response of pulvinus of Mimosa under lateral stimulus of 



light 659 



120. Torsional response of pulvinus of Mimosa under lateral chemical 



stimulus ........... 659 



121. Torsional response of inorganic compound strip ..... 660 



122. Modification of torsional response in Mimosa by reversal of differential 



excitability of pulvinus . . . . . . . .* 661 



123. Modification of torsional response in Mimosa by increase of 



differential excitability of pulvinus ....... 662 



124. Torsional response in Erythrina indica under lateral geotropic 



stimulus ........... 664 



125. Modification of geotropic torsion by reversal of differential excita- 



bility . . . 665 



126. Modification of geotropic torsion by increase of differential excitability 665 



127. Autonomous torsion of stems . ....... 668 



