. Effects of the rays of radium on plants. Plants. EFFECTS OF EXPOSING SEEDS 97 Experiment 14 May 25, 12 M. Eight dry seeds of the bean {Phaseolus. Henderson's " Long Yellow, Six Weeks") were placed in moist sphagnum with their hilum-edges touching a rod coated with RaBrg (10,000 x ). Con- trol, similarly placed, but with no radium. Rod continued through- out the t "^ ^ ^ ^ *|r -^ # Fig. 7. Experiments 14 (Bean) and 17 (Lupine). Germination Retarded by Ravs from Coated Rods of 10,000X (Bean), and 25,000 X (Lupine). May 27, 3 P. M. The radicles have protruded in one
. Effects of the rays of radium on plants. Plants. EFFECTS OF EXPOSING SEEDS 97 Experiment 14 May 25, 12 M. Eight dry seeds of the bean {Phaseolus. Henderson's " Long Yellow, Six Weeks") were placed in moist sphagnum with their hilum-edges touching a rod coated with RaBrg (10,000 x ). Con- trol, similarly placed, but with no radium. Rod continued through- out the t "^ ^ ^ ^ *|r -^ # Fig. 7. Experiments 14 (Bean) and 17 (Lupine). Germination Retarded by Ravs from Coated Rods of 10,000X (Bean), and 25,000 X (Lupine). May 27, 3 P. M. The radicles have protruded in one radiated seed, and in seven of the control seeds. May 28, 10 A. M. The seeds were photographed with those of Experiment 17 (fig- ure 7).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gager, C. Stuart (Charles Stuart), 1872-1943. New York
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectplants
