4 ELEMENTS OF BOTANY. 
the genus has been reached, presents no difficulty in a little 
flora like the present one. 
The author does not believe in spending much of the time 
of a class upon identifying species, but would rather recom- 
mend comparative studies of as many plants of a group as are 
accessible, and making these studies thorough enough to 
bring out fully the idea of the Family, the Genus, and the 
Species.!. The descriptions in Part II of this book may be 
used as a check on the cruder ones which the pupil is first to 
frame for himself. 
1 The teacher will find abundant suggestions for such a course in Spalding’s 
Introduction to Botany, pp. 152-260. 
