30 SYNGENESIA. 



In this Class Linnaeus niade a sixth Order^ -which 

 has been abolished by subsequent Botanists. 



This Class of compound flowers, Syngenesia, has 

 been particularly treated upon by Vaillant, who prin- 

 cipally confined his researches to this part of Botany, 

 and published his discoveries and method of arrange- 

 ment in tlie Memoirs of the Academy of Sciences at 

 Paris.P 



P Sebastian Vaillant, a French physician and botanist, was 

 born at Vigny, near Pontoise, in I669. He became superin- 

 tendant of the royal garden, and a Member of the Academy of 

 Sciences. He died in »72'2 His works are, 1. Remarks on 

 Tournefort's Botanical In^tltutions ; '2. Discourse on the Struc- 

 ture of Fiowers ; 3. Botanicon Parisiensc, or a Description of 

 Plants which griw about Paris, folio, with plates; 4. % small 

 Botanicon, i2mo. 1743. 



