48 



OBJECT LESSONS IN BOTiV^^Y. 



LESSON XIII. 



ABOUT ADHESIONS. 



T8. The pupil will here find discussions more important 

 and intricate. But if lie bring to tlie task etjes determined to 

 Bee, and a mind determined to understand, the difficultiea 

 will soon vanish. 



79. Cohesion^ as taught in the last lesson, implies the union 

 of organs of the same kind, as sepals with sepals, petals with 

 petals ; but adhesion implies the union of one kind of organ 

 with another kind. 



Fig. 129. Section of the flower of the Golden Currant, showing its parts. 



Fig. 130. Section of the flower of Fuchsia. Fig. 131. Of Early Saxifrage. 



80. For example, split a flower of Phlox, and you will see 

 the five stamens adhering to the inner side of the corolla 

 tube, appearing as if inserted into it. 



79. Can you state liow adhesion cliflfers from cohesion ? 



