48 



OBJECT LESSONS IN BOTANY. 



LESSON XIII. 



ABOUT ATHESIONS. 



78. "Wb fear that the pupil will iind some difficulties in 

 this lesson. Yet if he bring to the task eyes determined to 

 see, and a mind determined to understand, the difficulties 

 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.lZO. Section of the flower of Fuchsia. Fig.lZl. 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 how adhesion differs from cohesion ? 



