1032 



A TEXTBOOK OF THEORETICAL BOTANY 



Fig. 1023. — Fatsio japonica. Transverse section of petiole 

 showing a complete ring of vascular bundles. 



Fig. 1024. — Diagram of leaf traces. A, Three-dimensional 

 diagram of the hypothetical primitive three-trace supply to 

 the leaf, with stipular offshoots. B, Transverse section of 

 the node of a irilacunar trace. C, Transverse section of the 

 node of a unilacunar trace. {After Sinnntt and Bailey.) 



