958 



A TEXTBOOK OF THEORIHTCAL BOTANY 



Fig. Q43. — Convullaria nu/jalis. Leaf 

 showing parallel venation. 



Fig. 944. — Aponogetou feuestrole. 

 Leaf in which the lamina is 

 reduced to thin sheaths around 

 the veins. This leaf shows 

 the transverse connections be- 

 tween the parallel main veins 

 which are characteristic of 

 Monocotvledons. 



11^ 



1 

 i 



Fig. 945. — Ilex aqiiifolium. Part of a leaf skeleton showing the reticulate 

 venation and the numerous free bundle-ends. 



