218 ALLIANCES OF PLANTS. 



Alliance 5.Gentianales. Flowers symmetrical. Carpels 

 standing right and left of the axis of inflo- 

 rescence. ( ) 



Corolla withering on the 218. Gentianaceae . Bitter (Gentian). 

 fruit ; in aestivation im- 

 bricated. . . 

 Estivation of corolla val- 219. Spigeliacese . Anthelmmtic. 

 vate. . . 

 Estivation contorted. Sta- 220. Apocynacese . Milk and fruit 

 mens distinct. poisonous (Nux 



vomica) ; bark 

 febrifugal some- 

 times. 



Anthers grown to the stig- 221. Asclepiadaceae . Acrid. Emetic, 

 ma. 



Alliance 6. Oleales. Diandrous. 



Estivation of corolla val- 222. Oleaceae . . Oil eatable (Olive). 



vate. 

 Estivation of corolla im- 223. Jasminaceae. 



bricate. 



Alliance 7. Loganiales. Flowers unsymmetrical, with seve- 

 ral stamens. 



Leaves furnished with sti- 224. Loganiacese. 



pules. 

 Flowers somewhat pentan- 225. Potaliacese . Acrid. Emetic. 



drous. 



Alliance 8. Solanales. Flowers symmetrical. Carpels 

 standing fore and aft of the axis of inflo- 

 rescence. ^ 



Embryo curved. Cotyle- 226. Solanaceae . Poisonous. Nar- 

 dons cylindrical. cotic (Belladon- 



na, Stramonium, 

 Tobacco). 



Embryo straight. Cotyle- 227. Cestraceae. 

 dons leafy. 



It appears that the connection between the foregoing groups is of a most decisive 

 nature ; for, 



1. Polycarposae pass into Epigynosae through Primulales. 



2- Epigynosae Aggregosse Scaevolacese. 



3. Aggregosae Nucamentosoc Dipsaceae. 



4. Nucamentosce Dicarposae Scrophulariacese. 



5. Dicarposae Polycarpos;c Boraginaceae. 



