7 6: 



PLANT RESPONSE 



222. Translocation of optimum point 



223. Persistence of rhythmic activity at maximum . 



Autonomous torsion : 



224. Effect of temperature on rate of autonomous torsion 



PAGE 



454 

 43 2 



66S 



Effect of Chemical Agents 

 Mechanical response : 



225. Effect of carbonic acid . ........ 131 



226. Effect of hydrogen . . . . . . . . . . 132 



227. Effect of carbon disulphide . . . . . . . .132 



228. Effect of alcohol . . . . . . . . 133 



229. Effect of ether on longitudinal response . . . . . . 1 34 



230. Effect of ether on motile response of Mimosa . . . 135 



231. Effect of acid .......... 136 



232. Effect of chlorine gas . . . . . . . . . 137 



Autonomous pulsation of Desmodium : 



233. Effect of ether .......... 323 



234. Effect of alcohol 324 



235. Effect of carbonic acid gas ........ 325 



236. Effect of copper sulphate solution ....... 326 



237. Effect of barium salt solution ....... 351 



238. Arrest at ' diastole' by acid ........ 352 



239. Arrest at ' systole ' by alkali ........ 353 



240. Antagonistic actions of acid and alkali . . . . . . 353 



Suctional response : 



241. Action of KNO :! solution ........ 384 



242. Osmotic versus excitatory action of NaCl solution . . . . 384 



Growth : 



243. Effect of carbonic acid ...... 



244. Action of ether, external application .... 



245. Action of ether, internal application 



246. Excitatory effect of dilute solution of sodium carbonate 



247. Effect of solution of sugar ..... 



248. Effect of alcohol ....... 



249. Effect of acid inducing relaxation and arrest . 



250. Effect of alkali inducing contraction and arrest . 



251. Antagonistic actions of alkali and acid . 



252. Action of strong sodium chloride solution under differen 



tonic conditions . ...... 



253. Differing effects of poisons on different ' constitutions ' . 



254. Opposite effects of same poisonous dose on different 'constitutions ' 



255. Opposite effects of large and small doses . . . . . 



tliermo 



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485 

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