MICHIGAN ACADEMY OF SCIENCE. 



339 



Top. 



2.0 cm. 

 1.5 



3.5 

 Av. 1 .7 



No. I. 



Hypocotyl. 



4.0 em. 

 3.0 



7.0 

 Av. 3.5 



Tap Root. 



3.0 cm. 

 4.0 



7.0 

 Av. 3.5 



Top. 



1 .5 cm. 

 2.0 



No. III. 



Hypocotyl. 



3.5 

 Av. 1.7 



li.O cm. 

 3.0 



0.0 

 Av. 3.0 



Tap Root. 

 3.0 cm. 

 2.5 



5.5 

 Av. 2.7 



2.0 

 2.0 



4.0 

 Av. 2.0 



No. II. 



3.0 

 3.0 



0.0 

 A v. 3.0 



Av 



2.5 



2.0 



4.5 

 •2 2 



2.5 

 Av. 1.3 



No. IV. 



A v. 



The next set of measurements was made July 12, 1916, and was as 

 follows : 



Top. 



1 .5 cm. 



1.5 



3.0 

 Av. 1.5 



No. I. 

 Hypocotyl. 



3.5 cm. 

 3.0 



6.5 

 Av. 3 . 2 



Tap Root. 



2.0 cm. 

 3.5 



5.5 

 Av. 2.7 



No. III. 



Top. Hypocotyl. Tap Root. 



1.5 cm. 4.5 cm. 3.5 cm. 



1.5 5.0 5.5 



3.0 

 Av. 1.5 



9.5 

 Av. 4.7 



9.0 

 Av. 4.5 



No. II. 



Av 



1.5 



1.5 



3.0 

 1.5 



No. IV. 



4.0 

 4.0 



8.0 

 Av. 4.0 



3.5 



6.5 



10.0 

 Av. 5.0 



The measurements taken August 9, 1916, were as follows: 



Top. 

 2.5 cm. 

 1.5 



4.0 

 Av. 2.0 



No. I. 



Hypocotyl. 



3.3 cm. 

 3.0 



6.3 

 Av. 3.2 



Tap Root. 

 11.0 cm. 

 6.5 



17.5 



Av. 8.7 



No. II. 



No. IV. 



18.5 16.6 58.5 



.'^v. 3.1 Av. 2.8 Av. 9.8 



