CONTENTS. 



PAGE 



To THE Student ix 



To THE Teachek ... . xii 



WoKKS OF Reference . . . , . xv 



Laeokatory and Permanent Outfit . . , , xix 



ORGANS OF PLANTS. 



I. Seeds .... ... . . 1 



J 

 II. Growth of Plants from the Seed . . . 20 



III. Root . ... 29 



IV. Stem . . . . . . . 38 



V. Leaf . . ... 57 



VI. Flower . .... 74 



VII. Fruits . . 88 



Organs of Flowerless Plants . . 96 



NATURAL GROUPS OF PLANTS.i 



VIII. ALG^ . ... 99 



IX. FUNGI . ... .... 109 



X. MUSCINEJE3 .... . . 120 



XI. FILICINE^E . . '130 



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

 coordination. A comparatively small number of families of flowering: plants have been 

 introduced, but they have been selected so as to secure a sufficiently full representation of 

 leading orders. 



