334 



CII. LABIATE (baker). 



Calyx with 5 subequal teeth. 

 Corolla not distinctly bilabiate. 

 Anther- cells divaricate 

 Anther-cells parallel 

 Corolla distinctly bilabiate . 

 Calyx distinctly bilabiate. 

 Calyx -teeth large 

 Calyx-teeth small 



22. Elsholtzia. 



23. Mentha. 



24. MiCROMERIA. 



25. Thymus. 



26. Calamintha 



Tribe III. Monardeee. — Stamens 2, arcuate. Upper 

 lip of the corolla large, concave. Nucules with a 

 small basal areole. 



Calyx 5-10-ribbed 

 Calvx 5-ribbed 



Anthers 2-celled 



Anthers 1 -celled ........ 



Tribe IV. xrepeteae. — Stamens 4, arcuate, the upper 

 pair longest. Upper lip of the corolla large, con- 

 cave. Nucules with a small basal areole. 



The only genus ........ 



Tribe V. stachydeae. — Stamens 4, arcuate, the lower 

 pair longest. Upper lip of cotolla large, concave. 

 Nucules with a small basal areole. 

 Calyx with 2 entire lips ....... 



Calyx 5-10-toothed, sometimes sub-bilabiate, but then lips 

 2- or 3- or more-toothed. 

 Calyx 5-toothed 



Nucules scaly at the tip . 



Nucules naked at the tip. 



Disk equal. 



Corolla-tube included. 

 Corolla-tube exserted. 

 Disk oblique ....... 



Calyx 8-10-toothed, rarely with fewer teeth. 

 Calyx not bilabiate. 



Stamens included in the corolla-tube 

 Stamens exserted from the corolla-tube. 



Lobes of style subequal ..... 



Lobes of style unequal. 



Lower lip of corolla long .... 



Lower lip of corolla short .... 



Calyx-limb bilabiate, scariose . . . . . 



Tribe VI. AJngroldeae. — Stamens 4, arcuate. Upper 

 lip of corolla short. Nucules obovoid, reticulated, 

 with a broad lateral areole. 

 Calyx bilabiate, very accrescent. 



Corolla-tube scarcely longer than the calyx . 

 Corolla-tube much longer than the calyx 

 Calyx 5- toothed, scarcely accrescent. 



Upper lip of corolla truncate ..... 

 Upper lip of corolla erect, bifid ..... 



27. Meriandra. 



28. Salvia. 



29. Nepeta. 



30. Scutellaria. 



31. ACHYROSPERMUM. 



32. Stachys. 



33. Lamium. 



34. Lasiocorys, 



35. acrotome. 



36. Ballota. 



37. Leucas. 



38. Leonotis. 



39. Otostegia. 



40. Tinnea. 



41. Renschia. 



42. Teucrium. 



43. Ajuga. 



1. OCIMUM, Linn.; Benth. et Hook. f. Gen. Plant, ii. 1171. 



Calyx deflexed in fruit ; tube usually campanulate ; upper lip 

 orbicular or ovate, the edges often decurrent ; lateral lobes usually 



