CONTENTS. 



PAgE 



To THE STUDENT .......... ix 



To THE TEACHER .......... xii 



WORKS OF REFERENCE ......... xv 



LABORATORY AND PERMANENT OUTFIT ...... xix 



ORGANS OF FLOWERING PLANTS. 



I. SEEDS ........... 1 



II. GROWTH OF PLANTS FROM THE SEED. .... 20 



III. ROOT 29 



IV. STEM 38 



V. LEAF 57 



VI. FLOWER 74 



VII. FRUITS 88 



NATURAL GROUPS OF PLANTS. 1 



VIII. ALG^E . . . . . . . . . . 96 



IX. MUSCINE^E 105 



X. FILICINE^E 114 



XI. EQUISETINE^E 123 



XII. LYCOPODINE^E 127 



1 Groups above families have been placed in boldface type without attempting their 

 coordination. 



