306 : METAMORPHY. 
In the accompanying figures (fig. 163, a—d) the nature 
of this change is illustrated. In some of the speci- 
mens it is easy to see that the two shorter stamens 

Fie. 163.—Chetranthus Cheiri, var. gynantherus. a. Sepals and petals 
removed to show carpellodic stamens. 0b. The same laid open. e. 
Transverse section. d. Plan of flower with four carpel-like stamens, Xe. 
undergo the change into carpels later and less per- 
fectly than the four longer ones, and not infrequently 
the outer pair are altogether absent. In most of the 
flowers of this variety the petals are smaller and less 
perfectly developed than usual.’ 
In Lilium tigrinum, some specimens of which were 
gathered by Mr. J. Salter, in addition to various 
degrees of synanthy and other changes, some of 
the stamens were developed in the form of carpels, 
adherent by their edges so as to form an imperfect 
tube or sheath around the normal pistil. Fig. 164 
1 See also Allmann, ‘ Rep. Brit. Assoc.,’ July, 1851. 
