348 



The Living Plant 



FIG. 133. Records of the circumnutation of some common plants, obtained by the method 

 illustrated in figure 132. The letters h and m signify hours and minutes between 

 observations. 



of growth, and one of those incidental phenomena which possess 

 no adaptational significance; and it is partly because it is so good 

 an example of such incidental phenomena (of which autumn 

 coloration, forms of starch grains, and phyllotaxy, are instances 



