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Ovarium calyci adnatum: 



O e s n e 



Conspectus 

 T r i b u s 1. 



'Corolla rotata. 



ovarium basi adnatum 



Corolla hypocraterimorpha, infundibularis, sub- 

 Herbae stolonibus squa-. campanulata, limbo lato expanso , — ova- 

 moso- amentaceis pei'en-i 

 lies : I 



vium saepius totum , rarius basi adnatum : 



Corolla lubulosa vel subcampanulata, limbo 

 [ angusto , — ovarium basi adnatum: 

 [Corolla anguste tubulosa, limbo plerumque 



I anffusto , — ovarium basi adnatum : 



Herbae vel suffrutices liiizo-j 



male tuberöse perennesri Corolla campanulata, infundibularis, liypocra- 

 l terimorpha , limbo lato patente, — ovarium 

 I basi adnatum : 



Frutices vel suffrutices abs-j Corolla tubulosa , cyathiformis , subcampanu- 

 que rhizomate : i 1**'*» — ovarium plerumque calyci plane im- 



Ovarium liberum : 



T r i b u s 2. 



Antherae 2 fertiles , 3 steriles , — corolla tubulosa : 



Antlierae 

 4 fertiles, 

 1 sterilis : 



Limbus 

 vix 



I ringens j 

 Ca'yx I vel 1 

 sim- J brevissime 

 plex : I bilabiatus : 



' Corolla infundibulari- subcampanulata, — 

 faux ampla , — limbus aniplitudine ven- 

 trem plus duplo superans : 



Corolla oblique infundibulari -obconica vel 

 vcntricosa, — basis anguslissima, faux 

 ampla, limbus angustus: 



Corolla lubuloso-cylindrica vel urceolata, 

 faux angusta, — limbus tubo angustior 

 vel certe baud duplo latior : 



i Limbus exacte et longe hiato - bilabiatus , — corolla 

 I tubulosa : 



Calyx duplex , approximatis bracteolis duabus , — corolla 

 tubulosa : 



