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In the third order, Polyga'mia frustra'nea, the 

 florets of the centre have both stamens and pistils 

 but those of the circumference have neither. 



In the fourth order, Polyga'mia necessa'ria, the 

 florets of the centre have stamens only, without 

 seeds : and those of the border have pistils only, 

 with seeds. 



In the fifth order, Polyga'mia segrega'ta, the 

 structure of the flower is not quite the same with 

 that in the other four. All the florets have five 

 stamens, with united anthers, and they are all in- 

 cluded in one general calyx ; but each floret has, 

 besides, a little calyx of its own. Of this order 

 there is no native genus. 



EDWARD. 



I am afraid it will be a long time before I 

 know this class well ; for it is not easy to under- 

 stand the orders. 



MOTHER. 



You will soon find, that the knowledge you 

 acquire, by examining a few plants yourself, will 

 remove all your difficulties, and give you better 

 instruction than any thing that I can tell you. 

 The chief point to be attended to, in the class 

 Syngenesia, is the Union of the Anthers. There 

 are some flowers in other classes, which at first you 

 might suppose to belong to this one, but which 

 have not the anthers united : and, with regard to 



