24 AN INTRODUCTION 
In refpe& to SITUATION, To have the 
Perianthium furrounding the Receptacle; 
The Corolla placed on the Receptacle, and 
alternate with the Perianthium; The Fila- 
ments placed within the Corolla, but corref- 
ponding with the Perianthium; The dz- 
there feated on the Tops of the Filaments ; 
The Germen poffefing the Centre of the Re- 
ceptacle ; The Style ftanding on the Top of 
the Germen; The Stigma feated on the Top 
of the Style. When the Stigma and Style 
are fallen, the Germen grows to a Pericar- 
pium, fupported by the Calyx, and including 
the Seeds which are affixed to the Recep- 
tacle of the Fruit. The Reccptacle of the 
Flower is generally under the Pericarpium, 
being not fo often found to grow either 
round it or over it. 
G HAP Be 
Of the different Structures of thee CaALys. 
AVING fhewn the moft natural Struc- 
ture of the Parts of the FruGification 
in the laft Chapter, we come now to their 
DIFFERENCES, or Variations (which 
are the Foundation of the Genera ) and their 
Cha- 
