Stimulation and Correlation. 133 



the scape. As the development of the numerous flowers pro- 

 ceeds, the curve in the scape is straightened and the inflores- 



Fig. 107. Positions of inflorescence of Alliutn Neapolitanum in earlier stages. 



cence is finally held erect. Meanwhile the pedicels exhibit a 

 series second of independent movements. These structures 



Fig. 108. Positions of flowers of A Ilium Neafolitanum in advanced and final 



stages. 



acquire a sensitiveness to gravity, by which they tend to curve 

 upward independently. After the scape has assumed a final 



