SYNOPSIS xi 



PAGE 



Chapter II. — continued. 



membranes of the Acorn. Measures of repair. An 

 extraordinary instance, illustrated and described. 

 Warmth, moisture and oxygen considered in connec- 

 tion with germination. The Walnut in its pod, 

 illustrated and described. Seeds and seed-foods. 

 Electrical structure of the Walnut. Colour. Chloro- 

 phyll and light. The embryo shell. Section of 

 Walnut illustrated. Walnut shell and negative system. 

 The pod described. Walnut in transverse section. 

 The stalk described. Section of Walnut with positive 

 pith removed. Comparison with Horse and Edible 

 Chestnut. 



Chapter III. — ^Upon Electrical Stimuli Generally 41 



Application of electricity to horticulture and agricul- 

 ture. Nature's methods. Light-energy. Pot grown 

 plants. Reversal of polarity in. Seed electrification 

 versus electrification of the soil. Importance of sign 

 of current. Russell on various forms of stimuli. 

 Radium and over-ionisation. Possible influence upon 

 karyokinesis. Experimental results. Upward driving 

 force. Long French Radish, illustrated and described. 

 Grasses imder electrification. Effect of sign of current 

 upon root production. Arc carbon in electro-cvdture. 

 Experiments with Potatoes, illustrated and described. 

 Tomatoes. Certain plants. Effect of high electrifi- 

 cation upon leaf buds and flowers. Intensity of 

 electrical stimulus. Optics a branch of electricity. 

 Electro-magnetic vibration and electrical discharges. 

 Researches of Professor Bose. Effect of rise of 

 temperature increasing internal energy of plant 

 questioned. Possible bearing of over-ionisation upon 

 origin of cancer. Continuation of effect of electrical 

 stimulus after disconnection of current confirmed by 

 Bose. Statement that a plant or an animal is an 

 accumulator questioned. Electrostatic capacity of 

 the human body. Keith Lucas on the conduction of 

 the nervous impulse. 



