sow SOME PLANTS GET UP IN THE WORLD 397 



opposite direction. Two hours thereafter, the shoot 

 had uncoiled itself and the tip, as seen in the 

 picture, was again resuming its natural direction. 



Fig. 415. 



Pig. 416. 



Fig. 417. 



Japanese hop,— with Morning-glory,— against Morning-glory refus- 

 the sun. the sun. ing to twine with 



the sun. 



