C oleics. 



CII. LABIATE (baker). 



423 



Root bearing tubers . 

 Leaves thick and rather Hesby 

 Undersbrub with woody branches 

 Leaves distinctly petioled. 

 fHerbs. 



Leaves thin and not at all Hesby. 

 Leaves glabrous. 

 Root tuberous 

 Root not tuberous. 



Whorls many-Howered. 

 Corolla red 

 Corolla lilac 

 Corolla yellow 

 Whorls 2-tiovvered 

 Leaves slightly pubescent, not bullate. 

 Leaves elliptic or suborbicular. 



3. C. edulis. 



4. C. Kilimandschari. 



5. C. comosus. 



6. C. Halagensis. 



7. C elatus. 



8. C. riiwenzoriensis. 



9. C. dectirrens. 

 10. C. leptophyllm. 



Fruit-calyx ^ in. long 



tfUndersbrubs with woody branches. 

 Leaves small. 



Leaves cuneate at the base. 

 Corolla small . 

 Corolla large . 

 Leaves rounded at the base . 



32. C. Wf/tcifschii. 



33. C. cuneatus. 



34. C. amhoinicus. 



