32 



BUDS AND STIPULES 



The Hop also has connate stipules, but in this case 

 the two which have coalesced belong to two opposite 

 leaves (figs. 47, 48). Such stipules are termed ' inter- 

 petiolar.' 



Fig. 43. 



Fig. 44. 



Onobbychis sativa, showing stipules (St) united for the greater 



part of their length. 



Fig. 43. Side view. Fig. 44. Back view. P, leaf -stalk ; FL, a flower-bud. 



In Spergularia (fig. 135, p. 88) the stipules are free 

 from the leaves, but connate at the base, forming a 

 sheath, which envelops the base of the leaves. 



De Candolle observes that the existence of stipules 



