EXPLANATION OF THE FIGURES. 



PLATE III. 



Fig.l. (a). Spine of Aegle Marmelos. The spine arises in the axil of the trifolio- 

 late leaf (V) and at its apex bears a rudimentary leaf (c), thus 

 indicating that it is a branch. X \. 



2. (a). Compound spine of Flacourtia Cataphracta bearing three normal 



green leaves (5) (i) and thus indicating that it is a branch. X-J- 



3. Stem of Gouania leptostachya. The tendrils (a) (a) arise in the axils of 



the leaves (J>) (J), and they themselves frequently give rise to normal 



leaves as at (c), thus indicating that they are branches. X . 



