HOW TO STUDY PLANT LIFE 85 



books, are described with reference to methods 

 of fertilization, devices for protection against 

 their enemies and their origin and development 

 in past ages. This book, too, will show the 

 way for your own observations. 



Doubtless you will want, in time, a wider and 

 deeper knowledge of the life history of plants. 

 A good and pleasantly written popular book 

 along this line is Maud Going's Field, Forest 

 and Wayside Flowers (Baker & Taylor Co., 

 $1.50). This takes up subjects suggested by 

 the plants in the order in which they appear 

 during the season, such as the flowers, buds 

 and fruit of spring trees; the leaves, their 

 structure and the work they do for the plant ; 

 the structure of stems; climbing plants; the 

 life history of ferns ; evergreen trees ; the fall 

 of the leaves in autumn ; and the winter resting 

 of plants. Unlike most popular books, it con- 

 tains chapters on grasses and sedges and their 

 interesting floral structures, but unconsciously 

 furnishes an illustration of the reason why 

 these families are usually left out for both 

 the species of sedge pictured are wrongly 



