^olanthus. 



CJI. LABIAT/I-: (baker). 



\>^\) 



Bracts \ in. long 

 Leaves lanceolate or oblong, pinnatitid 

 Leaves lanceolate, entire 

 Perennials. 



Leaves entire .... 

 Leaves deeply lobed 

 Leaves shortly petioled. 

 Leaves oblong-lanceolate . 

 Leaves ovate-lanceolate . 

 Leaves ovate-oblong 



Annual ..... 

 Perennial ..... 

 Leaves suborbicular 

 Leaves distinctly petioled. 

 Leaves rhomboid-oblong . 

 J^ieaves ovate-oblong 

 Leaves ovate. 



Bracts lanceolate 

 liracts oblong-lanceolate 

 Bracts ovate-lanceolate 

 Bracts broadly ovate 

 Leaves obovate-spathulate 



-Cymes not capitate. Bracts minute 



^•■"'Phanerantui 

 Annuals. 



Leaves sessile .... 

 Leaves petioled. 



Branches of panicle simple, long 

 Branches of panicle compound. 

 Leaves entire or obscurely toothed 

 Leaves deeply toothed . 

 Perennials. 



Leaves sessile or subsessile. 

 Calyx very small, truncate. 

 Bracts lanceolate 

 Bracts oblong 

 Calyx ^-^ in. long. 

 Bracts lanceolate . 

 Bracts oblong 

 Calyx \ in. long 

 Leaves distinctly petioled. 

 Leaves oblong. 



Calyx very small . 

 Calyx 7V— tV in- long. 

 Bracts linear . 

 Bracts lanceolate or oblong 

 Bracts ovate 

 Bracts obovate 

 Leaves broadly ovate 



''•■ ••Cephal.eolantiius. — Cymes congested into globose 

 or oblong heads. 

 Leaves lanceolate, subacute . . . . . 



Leaves oblanceolatc, obtuse. 



Calyx tubular ....... 



2. .E. 



3. .E. 



4. .E. 



5. .E. 

 (y. .E. 



7. .E. 



8. yE. 



9. yE. 



10. .E. 



11. yE. 



12. ^. 



13. yE. 



. inrgafus. 

 pinnatijidus. 

 priUicitziauvs 



ahyssinicus. 

 StuhlnMnni 



Hoistii. 

 ukamerusis. 



rirularix. 



Candelabrum. 



nyikensi.s. 



cuneifoliu^. 

 buchnerianus. 



14. uE. fruticostis. 



15. ^. elsholtzioides. 



16. uE. panganensis. 



17. ^. NjasscE. 



18. yE. Stormsii. 



19. ^E. heliolropioidcs. 



20. ^. elonga^us. 



21. ^E. pubescens. 



22. J?. Cameronii. 



23. yE. fuberosus. 



24. yE. repens. 



25. uE. serpiculoides. 



26. ^E. sedoides. 



27. -£". nodosus. 



28. JS. Medusa. 



29. jE. mi/rianfhus. 



30. yE". irehvifsrhi, 



31. ^. Buettneri. 



32. uE. pefa.tatus. 



33. ^E. zanzibarirun 



34. ^E. Enqleri. 

 30. .£". Puygti. 



