364 RESEARCHES OX IRRITABILITY OF PLANTS 



Mimosa 



86. Dual impulse under induction shock . . . .185 



87. Double response under thermal shock . . . .186 



88. Effect of intensity of stimulus in inducing positive or 



negative response . . . . . . 1S7 



89. Effect of distance of point of application of stimulus . 1S9 



90. Masking of positive impulse by predominant negative . 194 



91. Unmasking of positive by suppression of negative by cold 195 



Polar Action of Feeble and Moderate Currents 



Mimosa 



92. Effect of make of kathode on the leaf of Mimosa . . 202 



93. Time difference between excitation by ascending and 



descending currents . . . . . .204 



94. Time difference between effects of ascending and descend- 



ing induction shock ...... 206 



95. Effect of moderate current at make of kathode and 



break of anode ....... 230 



96. Effect of feeble current on leaflet of Mimosa . . .219 



97. Effect of moderate current on leaflet of Mimosa . .221 



Biophytum sensitivum 



98. Effect of feeble current ...... 223 



99. Effect of moderate current ...... 224 



Neptunia oleracea 



100. Excitatory effect of feeble current .... 225 



101. Excitatory effect of moderate current » . . . 226 



Averrhoa carambola 



102. Polar effect of feeble current ..... 226 



103. Polar effect of moderate current ..... 227 



Averrhoa bilimbi 



104. Effect of feeble current at make of kathode . . 22S 



105. Effect of moderate current at make of kathode and 



break of anode ....... 229 



Polar Reaction under Strong Currents 



106. Effect of strong current on Mimosa 



107. Effect of strong current on leaflets of Mimosa 



108. Effect of strong current on Biophytum sensitivum 



109. Effect of strong current on Averrhoa carambola 

 no. Effect of very strong current on leaf of Mimosa . 

 in. Effect of very strong current on leaflets of Mimosa 



112. Effect of very strong current on leaflets of Biophytum 



113. Effect of very strong current on Averrhoa carambola 



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