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LEAF MARGINS. 



Plate XV 



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General subject. Give the character of each leaf-margin In the 

 plate. What kind of leaf at flg. 1 ? Difference between 2 and 6, 2 

 and 4. How is the margin at figs. 8 and 9 how at flg. 14? What 

 peculiarity at flg. 13 flg. 15? What appearance at flg. 16? How 

 is the margin at flg. 10 flg. 11 ? Is there any absolute difference 

 between these two forms ? How is the margin at flg. 7 ? What 

 leaf at page 12, and by what habit is it affected ? 



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