50 



LEAF MARGINS. 



Plate XV 



General subject Give the character of each leaf-margin in the 

 plate. What kind of leaf nt fig. 1 ? Pi: .n.16, 8 



nd 4. How is the margin at fig*. $ am! how at flg. 14 ? What 

 peculiarity it flg. 18 flg. IJf What appearance at flg. 16? How- 

 to the margin at flg. 10 flg. 1 1 I (here any absolute difference 

 between (hose two forma? How ii the margin at flg. T! What 

 leaf at page 13, and by what habit is It all". 



16 



