20 THE FIRST BOOK OF BOTANY. 



Here is such a schedule about Fig. 5. On the 

 left, two words are printed with interrogation-points, 

 which show that they are questions. The word 

 Parts? means, what parts has this leaf ? The word 

 Venation ? means, what is its venation ? The an- 

 swers to these questions are found by looking at the 

 picture, and they are then written in the schedule as 

 you see. 



Take a sheet of ruled paper, and make a vertical 

 pencil-mark an inch or two from the left edge ; at 

 the left of this mark write the questions, Parts? 

 Yenation ? Now examine a real leaf, and opposite 

 the question, Parts? write what parts you find. 

 Look again at its venation, and write the answer 

 to this question also. Pin each leaf upon the paper 

 that describes it, and hand the collection to the 

 teacher, to see if you have observed correctly. 



EXERCISE IV. 

 The Framework and its Parts. 



THE lines upon the blade of a leaf, shown in Fig. 

 6, are made by its framework. The spaces between 



NOTE. A word of caution is here necessary against mis- 

 taking the purpose of this book for that of common botanies. 

 The aim of ordinary botanical teaching is simply to impart to 

 pupils a knowledge of plants. In our schools the ambition of 

 both teacher and pupil is to get something done as quickly as 

 possible that will show proficiency. Hence the early attempts 

 at the classification of plants and the consequent precipitation 



