Power to Adjust Parts to Surroundings 



249 



or Snapdragon, bends it over and fastens it down at the tip, as 

 shown by our figure (figure 89), then each of the blossoms, as it 

 opens, turns over individually to the very same position it would 



Fiu. 89. — Flower shoots of Larkspur, the curved one of which was bent over and fastened 

 a few days before this picture was taken. Note the uniform geotropic positions as- 

 sumed by both buds and flowers. 



have had in the vertical cluster. The position of each separate 

 flower is here established geotropically, and for a very good rea- 

 son, — viz., these irregular flowers, as our later chapter on the 



