142 Mr. Brown’s Observations on Composite. 
species it not unfrequently does by the addition of one or more 
inner series, tbe rudiments of an analogous disk are produced along 
with each of the additional series. | 
Yet, in opposition to this view, I have in a single instance found 
one of the divisions of the urceolus in P«onia Moutan changed 
into an anthera; and the divisions of the apparently analogous 
organ in Aquilegia, which in their usual state resemble barren 
filaments, have sometimes been observed with perfect antheræ*. 
* Schkuhr Handbuch, tab. 146. 
