28 STRUCTURAL AND PHYSIOLOGICAL BOTANY. 



Palmate 138 ; seven-lobed 134 ; pinnatifid 133 ; sinuated 132 ; panduriform 1 



219. A leaf is compound when the divisions pass down to 

 the midrib so as to subdivide the leaf into smaller and distinct 

 leaves, or leaflets (foliola). 



220. When leaves are compound, their mode of division 

 is expressed by such terms as the following : 



Ternate 144 ; biternate 146 or triternate ; digitate 140 ; pedate 142 ; pinnate 145 ; in- 

 terruptedly pinnate 147 ; lyrate 143 ; bipinnate 150 ; decompound or tripinnate 141 ; 

 bijugate 148 ; conjugate-pinnate 149 . 



221. In speaking of the margin, we say that it is 



