WATER CONTENT OF PLANT AND SOIL 



23 



Water in Plants, {in Per Gent of Weight. ) 

 1. Phaseolus vulgaris. 



In the preceding table, the plants in Case I had been slight- 

 ly injured by cold a few days before the determination was 

 made. The plants in sand in two of the cases apparently 

 did not have sufficient water for full turgidity. 



Seedlings of the same species have approximately an 

 equal per cent, of water. The most healthy and most vig- 

 orously growing seedling may not have the highest per cent 

 of water ; in fact the reverse is usually true. The effects of 

 different soils upon the water content of plants is not very 

 marked in the case of seedlings. The effect upon older plants 



