NIXUS PLANTARUM. 



SiNGULA splia^ra (sectio) ideam quandam exponit, indeque ejus 

 character notione simplici optime exprimitur. Fries. 



CLASSES. 



r I. EXOGEN^ angiospermffi. 



r vasculares "• GYMNOSPERM^. 



Sexuales [lll. ENDOGENiE. 



[ evasculares IV. RHIZANTHE^. 

 V. ESEXUALES. 



Hi circulum foimant, cujus centrum sunt Exogence et Endogenoe, et 

 punctum commune Esexuales. Ordinatio hujusmodi: 



Exogenee, Endogenee, 



Gymnosperma?, Rhizanthese, 



Esexuales. 



Exogense in Endogenas abeunt per Smilales, in Gymnospermas per 

 Piperales ; Gymnospermse in Esexuales per Equisetum et Cycadem ; 

 Esexuales in Rhizantheas per Fungos ; Rhizantheaa in Endogenas per 

 Aroideas : sic circulus completus. 



