10 TO TEACHERS. 



and caring for them, and the attempt completely to describe 

 them, when dried and mounted, will go far toward fixing in 

 the mind ideas of the forms and structures of the various 

 organs, and the terms needed in description. 



But the constant temptation of such pupils will be toward 

 haste and inadequate observation. The danger is that plants 

 enough will not be collected, and that the parts of such as are 

 collected will not be studied with sufficient care. The influ- 

 ence of the teacher will therefore be constantly needed to 

 check the too rapid passage of older pupils over that portion 

 of Botany included in the primary book. 



