DEVELOPMENT OF LEAVES AND STIPULES 53 



upper leaflets, the lower is one of the stipules. Almost 

 immediately a third, and then a fourth, lobe make their 

 appearance. The third is the rudiment of a leaflet of 

 the second pair, the fourth of the third. 



Thus the stipule appears almost simultaneously 

 with the first and upper leaflet, before any of the lower 



Fig. 87. Growing-point of Rose with Two Leaves in successive 

 Stages of Development. Highly magnified. 



and later ones. These originate close above the 

 stipules. Gradually, however, the petiole elongates, 

 thus carrying the lower leaflets away from the stipule. 

 De Candolle described the stipules as being connate 



