OF THE CARPELS. 



257 



rence has also been frequently noticed in the Columbine 

 and also in Cruciferce and Umbelliferce. M. Germain de 

 St. Pierre mentions an instance wherein the carpels of 

 SaMx Babylonica were converted into two leaves, pro- 

 vided with stipules. All the flowers of the catkins 



Pig. 137. Rose, in which the axial portion of the flower was elon- 

 gated and the cai-pels were more or less replaced by leaves. 



17 



