CHAPTER II. 

 COMPARING AND CLASSIFYING PLANTS. 



EXEKCISE XVI. 

 Plant Characters and Affinities. 



You are now to take a step forward in the study 

 of plants. Having acquired considerable knowledge 

 of their parts by direct observation, you will begin 

 to compare them to note their resemblances and 

 differences as wholes, and, by these resemblances, to 



