232 



LABIATJ3. 



Upper lip of corolla hooded : — 



Upper lip of corolla not woolly ; 

 calyx 2-lipped, with a broad 

 plate at the back, the mouth 

 closed after flowering . . 



Upper lip of corolla woolly ; 

 calyi 5-10-toothed, its month 

 remaining open after flower- 



ing:— 



Calyx 5-toothed, leaves more 

 or less lobed or cut : — 



Anther-cells connivent, 



calyx teeth spinescent 



Anther-cells divergent : — 



# A shrub, flowers white 

 tinged with pink 



An erect robust, herb, 

 leaves mostly radical, 

 flowers yellow, nutlets 

 bearded at the apex 



Calyx 6-10-toothed, anther- 

 cells divergent : — 



Lower lip of corolla longer 

 than the upper lip . 



Lower lip of corolla shorter 

 than the upper lip . 



Posterior pair of stamens the longer ; 

 calyx 5-toothed, 15-nerved, stamens 

 not exserted ..... 



Perfect stamens 2 : — 



Lower (anterior) pair of stamens per- 

 fect, filaments short ; anther-cells 

 linear, separated by an elongated 

 connective which is jointed with the 

 filaments ; upper arm of connective 

 ascending and bearing one fertile 

 anther-cell, lower arm horizontal or 

 deflexed and bearing a fertile or an 

 empty cell or naked, nutlets trique- 

 trous . ... 



Upper (posticous) pair of stamens per- 

 fect, anther-cells not separated by 

 an elongated connective, nutlets 

 subglobose 



14. Scutellaria. 



15. Leonurtjs. 



16. EOTLEA. 



17. Eremostachys. 



18. Letjcas. 



19. Leonotis. 



20. Nepeta. 



21. Salvia. 



22. Mo sla. 



