Fig. 1036. — Lathyrus aphaca. 

 Shoots showing leaves 

 transformed into tendrils 

 and stipules enlarged to 

 form assimilatory organs. 



Fig. 1037. — Smilax rotundifolia. Shoot 

 showing tendrils formed by the 

 splitting of the petiole rudiments. 



1_ 



1042 



