Effects of the rays of radium on plants effectsofraysofr1908gage Year: 1908 lOO EFFECTS OF EXPOSING SEEDS J une 3, , 12 M. Radium 83 .00 mm 63 .00 58, .00 94, .00 97' ,00 91, ,00 70. .00 112. 00 108. .00 135- 00 911. 00 mm, Average, 91. 10 mm. mm. Average, mm. Experiment 17 May 25, 12 M. Ten dry seeds of Lufinus albus were placed in moist sphagnum, with the hilum-edges in contact with a rod coated with RaBrg (25,000 x). Control of ten seeds, similarly placed, but with no radium. May 27, 3 P. M. The radicles have protruded from none of the radiated seeds. The radicles have pro
Effects of the rays of radium on plants effectsofraysofr1908gage Year: 1908 lOO EFFECTS OF EXPOSING SEEDS J une 3, , 12 M. Radium 83 .00 mm 63 .00 58, .00 94, .00 97' ,00 91, ,00 70. .00 112. 00 108. .00 135- 00 911. 00 mm, Average, 91. 10 mm. mm. Average, mm. Experiment 17 May 25, 12 M. Ten dry seeds of Lufinus albus were placed in moist sphagnum, with the hilum-edges in contact with a rod coated with RaBrg (25,000 x). Control of ten seeds, similarly placed, but with no radium. May 27, 3 P. M. The radicles have protruded from none of the radiated seeds. The radicles have protruded from 9 of the control seeds. Two of the radiated seeds were poor, and have not absorbed water. May 28, 10 130 A. M. The lengths of the radicles are as follows: Radiuyn Control mm. 15-00 mm. Injured. 26. ICO mm. -' A ' c I Average, + mm. ^ mm. Average, mm.
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