ON CLASSIFICATION. 27 



length unravelled : but you not only know the Name, 

 and all the names of that Plant ; you have learnt 

 many interesting particulars, and discovered the 

 beautiful formation of every part: the use of the 

 Plant, and its value. 



We will begin with examining Plants in the First 

 Sub-class, which are the most complete, and distinct 

 in all their parts. The Flowers are composed of four 

 whorls, (with few exceptions), that is, four parts, 

 arranged in distinct rings, one immediately beneath 

 the other, on a Receptacle at the top of the Stem or 

 Stalk. 



The PISTIL, or Pistils, form the first Whorl. 



The STAMENS, the second Whorl. 



The COROLLA, (of distinct Petals), the third. 



The CALYX, is the fourth and outer Whorl. 



Gather a Crowfoot, and slip off each part of the 

 Flower carefully, and you will see how all are arranged 

 on the Receptacle. 



This organization will gradually become less dis- 

 tinct and complete, as you proceed in the Orders ; so 

 gradually, that you will scarcely perceive any differ- 

 ence of value in the First Sub-class, only a difference 

 in arrangement of parts : but each Sub -class takes a 

 decided step down ; and the Fourth and last division 



