104 



useful properties, and a decoction of the leaves and stems of Leonotis 

 leonnrus is often used as a tonic for calves. It is a plant which is 

 cultivated in many parts of the world and is known as the " Minaret 

 flower." 



Number of species about 2600. 



KEY TO TRIBES. 



Perfect stamens 4, declinate. Anthers confluent, 



1-celled. A. Ocimoide(E. 



Perfect stamens 4, distant, straight or approaching 



under upper lip of corolla. Anthers 2-celled. B. SATUREiNEiE. 

 Perfect stamens 2, ascending. Anther cells separate. C. Monarde^. 

 Perfect stamens 4, parallelly ascending under the 



vaulted upper lip of corolla. D. Stachydeve. 



Stamens as in Stachydeae, but upper lip of corolla 



very short, deflexed or obsolete. E. AjuGOiDEiE. 



KEY TO GENERA. 



A. 0CTM0IDE2E. 



Corolla lobes nearly equal, 4 upper more or less 



connate, lowest narrower. 

 Lowest corolla lobe elongate, concave. 

 Lowest corolla lobe abruptly deflexed, saccate. 

 1 Undershrubs with panicles of lilac flowers. 



Dioecious. Moschosma, 



1 Fruit calyx deflexed. upper tooth very large, 

 ovate, decnrrent on the tube. Corolla tube 

 short. OciMUM, 



1 Fruit calyx as in Ocimum, but corolla tube 



long. Orthosiphon. 



1 Fruit calyx suberect with 5 subequal teeth. Syncolosteafon. 

 2 Fruit calyx toothed, teeth not spiny. Flaments 



free. Plectranthus. 



2 Fiuit calyx toothed, teeth not spiny. Filaments 



connate at base round the style. Cole us. 



2 Fruit calyx toothed, inflated. 2 Back stamens 



short, without anthers. Hoslundia. 



2 Fruit calyx truncate, circumcissed at base. Aeolanthus. 



2 Fruit with 5, equal, spinous teeth. PYCNObTACUYS 



3 Tall herbs with dense panicles of small flowers, Hyptis. 



B. SATUREINE^. 



Corolla subequally 4-lobed. Stamens equal. Mentha. 



Corolla 2-labiate, upper lip erect, lower *^>-lobed, 



spreading. Stamens didynamous. Micromeria. 



