364 RESEARCHES ON IRRITABILITY OF PLANTS 



Mimosa 



86. 

 87. 



89. 

 90. 

 91. 



Dual impulse under induction shock . . . .185 



Double response under thermal shock . . . .186 



Effect of intensity of stimulus in inducing positive or 

 negative response . . . . . . .187 



Effect of distance of point of application of stimulus . 189 

 Masking of positive impulse by predominant negative . 194 

 Unmasking of positive by suppression of negative by cold 195 



Mimosa 

 92. 

 93. 



94. 



Polar Action of Feeble and Moderate Currents 



Effect of make of kathode on the leaf of Mimosa . 



Time difference between excitation by ascending and 

 descending currents ...... 



Time difference between effects of ascending and descend- 

 ing induction shock ...... 



95. Effect of moderate current at make of kathode and 



break of anode ....... 



96. Effect of feeble current on leaflet of Mimosa . 



97. Effect of moderate current on leaflet of Mimosa . 



Biophytum sensitivum 



98. Effect of feeble current 



99. Effect of moderate current . 



Neptunia oleracea 



100. Excitatory effect of feeble current 

 loi. Excitatory effect of moderate current . 



Averrhoa carambola 



102. Polar effect of feeble current 



103. Polar effect of moderate current . 



Averrhoa bilimbi 



104. Effect of feeble current at make of kathode 



105. 



Effect of moderate 

 break of anode 



current at make of kathode and 



204 



206 



230 

 219 

 221 



223 

 224 



225 

 226 



226 

 227 



228 

 229 



106 

 107 

 108 

 109 

 no 

 III 

 112 

 "3 



Polar Reaction under Strong CurrexNts 



Effect of strong current on Mimosa . . . -255 



Effect of strong current on leaflets of Mimosa . . 260 



Effect of strong current on Biophytum sensitivum . 261 



Effect of strong current on Averrhoa carambola . . 263 



Effect of very strong current on leaf of Mimosa . . 256 



Effect of very strong current on leaflets of Mimosa . 261 



Effect of very strong current on leaflets of Biophytum . 262 



Effect of very strong current on Averrhoa carambola . 263 



