12 



THE PLAN 



III. THE STRUCTURE AND HABITS OF FLOWERS (p. 20). 



(1) General observations. 



(2) The blossom. 



(3) Catkins. 



(4) Fruits and seeds. 



(5) Leaves, bracts, and stipules. 



(6) Stems and outgrowths. 



(7) Climbing and rambling. 



(8) Roots and tubers. 



(9) Aromatics and poisons. 



(10) Fly catchers. 



(11) Spurges and orchids. 



IV. THE CLASSIFICATION OF FLOWERS (p. 37). 



