Effects of the rays of Effects of the rays of radium on plants . effectsofraysofr1908gage Year: 1908 EXPOSED WATER AND FRESHLY FALLEN RAIN 171 Experiment 51^ In order to ascertain the effect on the growth of roots in water of placing a sealed glass tube of radium bromide in the water, two glass beakers were partly filled with tap-water. Into the water of each 5 6 48 40 I 24 16 ..Experimetit 51. Effect on germination atid growth of water exposed to radium rays. Lupinus albtis. -7 3 4 Day of month Fig. 39.

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