MICHIGAN ACADEMY OF SCIENCE. 



347 



The final measurements made August 29^ 191G, were: 



PINUS RESINOSA I. 



Top. Hypocotyl. 



2.0 cm. 2.5 cm. 



2.0 2.0 



PINUS RESINOSA II. 



Tap Root. 



2.0 cm. 

 6.0 



4.0 

 Av. 2 . 



4.5 

 Av. 2.2 



8.0 

 Av. 4 . 



PINUS RESINOSA III. 



