EFFECTS OF EXPOSING SEEDS 



99 



June 3, 2 : 30 P. M. 



Portions of the hypocotyls were placed in formalin for section- 

 ing. See page 226. 



Experiment 16 

 May 28, II A. M. 



Repetition of Experiment 14, using Lu-pinus albiis. Experiment 

 started as there indicated. Rod, 25,000 x. 

 May 30, 10 A. M. 



The lengths of the radicles are as follows : 



481.50 mm. 

 Average, 48.15 mm. 



* Very poorly exposed. 



529.00 mm. 

 Average, 52.90 mm. 



