57^ 



NATURAL CLASSES. 



Sect. XX. 7 



the fexnal organs, as criterions of the orders and clafTes, mufl lay the 



it it muft require a great architect to ere£l the 



b 



th 



And my principal defign in adjoining this imperfe6b 



foundation ; 



fuperfl:ru6lur 



Iketch at the end of this work was to warn thofe botanifts, who havi 



h 



began to interweave fome of the Linnasan clafles deduced from fitu 

 ation or proportion of the fexual organs into thofe diftinguilhed fim 



> 



pij 



mber 



th 



they fo far contribute to deteriority the great 



fyftem, which they mean to amend. — At the fame time I much ap 

 plaud, and beg leave to recommend to the attention of the public, th* 



fuperb pi£lorefque botanical 



plates now publishing by D 



Thornton", which I fuppofe have no equ 



ADDITIOTAX 



r 



\ 



