128 



EFFECTS OF EXPOSING SEEDS 



Nov. 3, 9: 30 A. M. 



The seeds were planted in soil, each set in a separate six-inch pot. 



Nov. 8, 8:30 A. M. 



Seedlings are breaking through the soil in all cultures, but with 

 no significant difference in the four sets. 



Nov. 9, 8 : 30 A. M. 



Relative growth the same as yesterday. Only 5 or 6 plants with 

 hypocotyls long enough to measure. No measurements were taken. 



Nov. 10, 10 A. M. 



Measurements of the lengths of the hypocotyls were taken as 

 follows : 



B 



10.000 X 

 5.00 mm. 



4-50 

 14.00 



5-50 

 9.00 



5-5Q 



43.50 mm. 



7.25 mm. 



D 



Control 

 5.50 mm. 



13.00 

 5.00 

 8. 00 



1 1. 00 



11.00 



53.50 mm. 

 8.91 mm. 



