TEANSFORMATIONS OF FLOWERS. 



83 



office of a leaf; they are also incapable of forming leaf-buds 

 in their axils. But, although such is the case, there is found a 

 strong and general tendency on the parts of both the floral 

 envelopes and sexes to change to leaves, similar to the leaves of 

 the stem. 



Fig. XVI.— Tranaformation of Clover. 



In the white clover (Trifolium repens, Fig. XVI.) all the parts often 

 become leaves ; in the Fraxinella (Fig. XVII.) this has also been 



Fig. XVII.— TransformaUoii of Fraxinella. 



remarked.* Partial alterations into leaves are in fact of very frequent 

 occurrence in the parts of a flower. In the Kose, the sepals and pistil 



Proceedings of the fforticvMmral Society, toI. i. p. 37. 



a 2 



