102 TALKS AFIELD. 



house-leeks, we can readily trace the spirals 

 with the eye. It is interesting to secure a 

 large ripe head of a garden sunflower, brush 

 off the remains of the florets, and then study 



Fig. 78. 



the various circles as represented by the 

 black fruits. 



The arrangements above mentioned refer 

 to plants with alternate leaves. Upon many 

 plants the leaves are opposite, as- in Fig. 78, 

 and the third pair of leaves is usually placed 



