S Y 



kinds, viz. tergemina, triternaia, tr'ipinnata. The 

 Pimp! nella giauca affords an example of the fu- 

 pra-decompofite leaf ; alfo the Ranunculus ru- 



teefol. 



SUPRAFOLIACKUS Pedunculus [fupra, a- 

 bove, & folium, a leaf] inferted into the caulis 

 above the petiolus, jufl: over the leaf. 



, SURCULUS, a fcion or twig, exemplified 

 in the "Jungermannia complanata, dilatata, &c. It 

 fcems to be the fame with Stolo, which fee. 



SYNGENESIA [Suv, cum, or fimul, toge- 

 ther, & rintriq, generation the nineteenth clafs in 

 the I'exual fyftem of Linnaeus ; it comprehends 

 the fiofculofe, or compolite flowers, which are 

 the Compofiti of Tournefort, Rivinus, and Ray, 

 It is a natural clafs, if we except the laft order. 

 The clafScal charadteriftics of the flofculofc 

 flower are as follows : Calyx, a common 

 Perianthium, containing the Receptaculum and 

 the Flofculi J it contracts when the florefcencc 

 is paft, but expands and turns back when the 

 feeds are mature : it is either JimpleXf imbricatus, 

 or auclus. Receptaculum, common to the 

 fruftification, receives many fefllle fiofculi on 

 its difcus, which is either concave, plane, con- 

 vex, pyramidal, or globofe, and its furface ei- 

 ther 



