ON STIPULES 



25 



In other cases, however, as for instance in Guaiacum 

 officinale (fig. 30), though the stipules are small, still they 

 afford a very efficient protection to the minute bud. 



For other illustrations of bud-protection by stipules, 

 see Plate I. figs. 1 and 2, the Lime ; figs. 4 and 5, the 

 Hornbeam ; Plate III., the Wych Elm ; and Plate IV., 

 the Beech. 



Fig. 30. Guaiacum officinale. 

 A. Terminal shoot, nat. size : n, node ; it', connate stipules ; it", connate stipules 



covering the terminal bud. 

 15. Terminal shoot with hiuiina of leaves removed, x2; it', it", stipules as in A : 



b, lateral bud. 



Stipules are sometimes situated on the leaf-base, 

 sometimes at the foot of the leaf-base, sometimes 

 on the stem just below the leaf-base. 



In the Dwarf Elder (Sambucus Ebulus) they are 



