xvi RESPONSE IN THE LIVING AND NON-LIVING 



FIG. I>A<;K 



21. FATIGUE IN CELERY . 40 



22. FATIGUE IN CAULIFLOWER-STALK . . 41 



23. FATIGUE FROM PREVIOUS OVERSTRAIN . 41 



24. FATIGUE UNDER CONTINUOUS STIMULATION IN CELERY . . 42 

 25 EFFECT OF REST IN REMOVAL OF FATIGUE IN PLANT . . 43 

 26. DIPHASIC VARIATION IN PLANT . ... 46 

 27,28. ABNORMAL POSITIVE RESPONSES IN STALE PLANT TRANS- 

 FORMED INTO NORMAL NEGATIVE UNDER STRONG STIMU- 

 LATION . 48, 49 



29. RADIAL E.M. VARIATION . . . 50 



30. CURVES SHOWING THE RELATION BETWEEN INTENSITY OF 



STIMULUS AND RESPONSE IN MUSCLE AND NERVE . . 52 



31. INCREASING RESPONSES TO INCREASING STIMULI (TAPS) IN 



PLANTS 52 



32. INCREASING RESPONSES TO INCREASING VJBRATIONAL STIMULI 



IN PLANTS 53 



33. RESPONSES TO INCREASING STIMULI IN FRESH AND STALE 



SPECIMENS OF PLANTS ........ 54 



34. APPARENT DIMINUTION OF RESPONSE CAUSED BY FATIGUE 



UNDER STRONG STIMULATION 57 



35. DIMINUTION OF RESPONSE IN EUCHARIS LILY AT Low TEM- 



PERATURE 61 



36. RECORDS SHOWING THE DIFFERENCE IN THE EFFECTS OF Low 



TEMPERATURE ON IVY, HOLLY, AND EUCHARIS LILY . 62 



37. PLANT CHAMBER FOR STUDYING THE EFFECT OF TEMPERA- 



TURE AND ANESTHETICS 64 



38. EFFECT OF HIGH TEMPERATURE ON PLANT RESPONSE . . 64 



39. AFTER-EFFECT ON THE RESPONSE DUE TO TEMPERATURE 



VARIATION . . . 66 



40. RECORDS OF RESPONSES IN EUCHARIS LILY DURING RISE AND 



FALL OF TEMPERATURE 67 



41. CURVE SHOWING VARIATION OF SENSITIVENESS DURING A 



CYCLE OF TEMPERATURE VARIATION . . . . . 68 



42. RECORD OF EFFECT OF STEAM IN ABOLITION OF RESPONSE 



AT DEATH OF PLANT . AQ 



