Effects of the rays of Effects of the rays of radium on plants . effectsofraysofr1908gage Year: 1908 i66 EXPOSED WATER AND FRESHLY FALLEN RAIN in it up to an ink mark, placed lo mm. from the root-tip. Observa- tions of the length of the hypocotyls were recorded as follows : 120 Day of', ith Fig. 36. Lupinus albiis. Duration of exposure of the Water, 24 Hours. Control; , 1,500,000 X; > 1,800,000X- y 6, 10 A. M. A. RaBr, B. RaBr, C. RaBr, D 1,800,000 X 1,500,000 X 10,000 X Control mm. mm. mm. mm
Effects of the rays of Effects of the rays of radium on plants . effectsofraysofr1908gage Year: 1908 i66 EXPOSED WATER AND FRESHLY FALLEN RAIN in it up to an ink mark, placed lo mm. from the root-tip. Observa- tions of the length of the hypocotyls were recorded as follows : 120 Day of', ith Fig. 36. Lupinus albiis. Duration of exposure of the Water, 24 Hours. Control; , 1,500,000 X; > 1,800,000X- y 6, 10 A. M. A. RaBr, B. RaBr, C. RaBr, D 1,800,000 X 1,500,000 X 10,000 X Control mm. mm. mm. mm mm. mm. mm. 112,00 mm mm. mm. mm. mm
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