92 
fusion of the nucleus from the pollen tube and that of the embryo 
sac sets up another signal or alarm which again sets the peduncle 
in motion and the pod is slowly erected into the position shown 
in the figu 
ery i cnesneatin series of movements is exhibited by C/ay- 
tonia Virginica (Fig. 8 A). The unopened flower buds are held in 
a drooping position by a general curvature of the short pedicel. 
pod is held in a pendant position most suitable for the dissemina- 
tion of the seeds 
Fic. 8. 4. Shoot of Claytonia Tirginica, B. Streptocarpus Rhexit, showing 
Carpotropic movements are thus seen to be of the most diverse 
character. The undeveloped flower buds may be erect and the 
ripened fruit pendant, or the reverse: the unopened bud may be 
