SPECIES LISTS — NON-AVAILABLE WATER 75 



EXPLANATION OF THE DATA IN THE FOLLOWING 

 SPECIES SHEETS AND COMPARATIVE PLOTS. 



1. "Date." This is the date of final weighing of the 

 plant, wilting or dead. 



2. "Locality, "Under sub-heading "A" is the locality 

 where the plant was grown. 



Under "B" the locality where the drying took 

 place. 



The following abbreviations are used for different 

 localities where plants were grown : 



3. "Plant Stage" is the stage of growth of the plant 

 at the time the period of drying began. "Ros. " in- 

 dicates the rosette stage, "PI" the flowering stage, 

 and "St." the stem forming period, while "Sdl." 

 indicates the immature seedling condition. 



•4 "Time". This column gives the number of days it 

 took the plant to reach the limit of available soil 

 water. 



5. "Soil Water." Under "a" of this heading is the 

 per cent of availale water in the soil, and under"b" 

 is the per cent of non-available water in the soil. 



6. "Plant Water. " In column "a" is the per cent of 

 water in the plant at or near the limit of available 

 water. In column "b" is the per cent of water in a 

 healthy plant of about the same age grown under 

 similar conditions. 



7. The letter "e" placed before a per cent indicates 

 that the per cent was not determined by weight, but 

 by estimation. 



