BOTANY. 



115 



Sinuate leaves have their margins divided by deep roundish 

 clefts, as in the white oak. Fig. 29, b. 



Fig 29. 



Emarginate leaves are irregular, having but slight indenta- 

 tions in the margin. Fig. 29, c. 



Tubulate leaves have the sides or margins united so as to 

 form a cup, as in the side-saddle and pitcher plant. Fig. 30. 



Fig 30. 



Fig 31. 



Compound leaves consist of 

 several small leaves on separate 

 leaf-stalks, and arranged along 

 the opposite sides of the same 

 stem, as in the hedysarum. Fig. 31 . 



Ternate leaves rig. 32. 

 arise in threes from 

 the same leaf- stalk. 

 Fig. 32. 



Alternate is a se- 

 cond division by 

 threes. 



