. Botanical gazette. Plants. 276 BOTANICAL GAZETTE [OCTOBER such influences as thundershowers and sudden shifting of wind to or from the lake with accompanying atmospheric changes in temperature, relative humidity, etc. The usual pronounced saturation deficit that occurs on the exposed sands is shown in fig. 10, which is a graph of readings taken at station E on July 27. There was a very rapid rise to a maximum at 9:30 , at which time the water loss presumably. Fig. 10.—Graph plotted for station E on July 27, showing typical saturation deficit developed in open dune environments on clear d
. Botanical gazette. Plants. 276 BOTANICAL GAZETTE [OCTOBER such influences as thundershowers and sudden shifting of wind to or from the lake with accompanying atmospheric changes in temperature, relative humidity, etc. The usual pronounced saturation deficit that occurs on the exposed sands is shown in fig. 10, which is a graph of readings taken at station E on July 27. There was a very rapid rise to a maximum at 9:30 , at which time the water loss presumably. Fig. 10.—Graph plotted for station E on July 27, showing typical saturation deficit developed in open dune environments on clear days with temperature high or relative humidity low. equaled the maximum translocating ability of the plant under the conditions. Then as a deficiency was created in the cells by an excessive loss, a drop in the index occurred until the turgor was regained. A second low mode occurred at 4:00 , a feature recurring in all records taken at stations D and E, in which an appreciable deficit was developed. Although the decline in the relative transpiration index was considerable in the early afternoon, there was no visible 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 Hanover, Ind. : J. M. Coulter
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