TO BOTANY. 59 



stance distinguishes them from those of the sixth 

 class, where the six stamina are equal : But these 

 flowers have their particular character also, their co- 

 rolla being cruciform*. 



CLASI^XVI.MONADELPHIA The word here coin- 

 pounded with the numerical term, signifies a brother. 

 This relation is employed to express the union of the 

 filaments of the stamina, which in this class do not 

 stand separate, but join at the base, and form one 

 substance out of which they proceed as from a com- 

 mon mother; and the title of the class expresses a 

 single brotherhood, meaning, that there is but one set 

 of stamina so united, which distinguishes the class 

 from the two following ones. The number of stamina 

 in this class is not limited : The flowers have their 

 particular characters. 



CLASS XV II. DIAPELPHIA This term expresses 

 a double brotherhood, or two sets of stamina, united 

 in the manner explained in the preceding class. The 

 number of the stamina is not limited : The flowers 

 of this class have a very particular character, their 

 corolla being papilionaceous, as will be shewn in its 

 placef. 



CLASS XVIII. POLYADELPHIA. This term ex- 

 presses many brotherhoods, or sets of stamina ; the 

 flowers have no classic character, farther than is ex- 

 pressed in the title. 



CLASS XIX. SYNGENESIA. -This class contains 

 the compound flowers described in Part I. Chapter 19. 

 The title signifies congeneration, alluding to the cir- 

 cumstance of the stamina ; in which, though the 

 filaments stand separate, yet the Anthene, which are 

 the part more immediately subservient to gene- 

 ration, are united in a cylinder, and perform their 



* See Chap. 18. See also Part I. Chap. 3. where the term 

 Cruciform is explained. 



+ See Chap. 20. Sec also Part I. Chap. 3. for the explana.. 

 tiou of the term Papilionaceous. 



D 3 



