PLATE 47 



A. — Seedlings grown in (i) 4,000 parts per million sodium-chlorid solution, (2) 

 distilled water, (3) 4,000 parts per million sodium-chlorid solution + 40 parts per million 

 of calcium oxid, (4) 4,000 parts per million sodium-chlorid solution -|- 30 parts per 

 million of calcium oxid, and (5) 4,000 parts per million sodium-chlorid solution -|- 20 

 parts per million of calcium, oxid. 



B. — Seedlings grown in (i) 4,000 parts per million sodium-chlorid solution, (2) 

 4,000 parts per million sodium-chlorid solution +15 parts per million of calcium oxid, 

 (3) 4,000 parts per million sodium-chlorid solution -f 10 parts per million of calcium 

 oxid, (4) 4,000 parts per million sodium-chlorid solution + 2 parts per million of calcium 

 oxid, and (5) 4,000 parts per million sodium-chlorid solution -\- i part per million of 

 calcium oxid. 



