206 



9. Inflorescence dense, spikelike ... 

 Flowers lax 



10. Calyx in fruit bUabiate 

 Calyx teeth equal 



11. Calyx IS-nerved 

 Calyx lO-nerved 



12. Inflorescence axillary ... 

 Inflorescence terminal ... 



13. Inflorescence cymose ... 

 Inflorescence spicate 



14. Lower lip of coroUa flat 



Lower lip of corolla concave or boat- 

 shaped 



15. Fruiting calyx with large flat upper 



lobe ... 

 Fruiting calyx with equal teeth j in- 

 florescence paniculate 



16. Fruit deflexed 



Fruit declinate or erect 



17. Corolla tube elongate, exserted 

 Corolla tube short 



18. Upper filaments appendaged ... 

 Upper filaments naked ... 



19. Lower corolla Hp stipitate, abruptly 



deflexed 

 Lower coroUa lip continuous ... 



20. Nut fleshy 



Nut dry 



21. Calyx bipartite .. . 

 Calyx tubular ... 



22. Calyx 10-toothed 



Calyx 5-toothed ... ... .... 



23. Inflorescence cymose ... 

 Inflorescence whorled ... 



24. Leaves pinnatifid 

 Leaves toothed 



25. Whorls all axillary 

 Whorls terminal 



26. Nuts rounded at top 

 Nuts truncate, angled ... 



27. Lower lip of corolla much longer than 



upper 

 Lower lip of corolla equal to or shorter 

 tban upper ... 



28. Upper lip wanting 

 Upper lip short bifid ... 



17. Lophanthus. 



18. Nepeta. 



11. 



12. 

 15. Calamintha 

 10. Perilla. 

 12. Mentha. 



13. 

 14. Origanum. 



21. Anisomeles 



15. 



19. 

 16. 



5. Moschosma. 



17. 

 18. 

 4. Orthosiphon. 



1. Ocimum. 

 3. Mesona. 



2. Geniospermum. 



7. Hyptis. 



6. Plectranthus. 



27. Gomphostemma. 



21. 



19. Scutellaria. 



22. 



25. Leucas. 



23. 



20. Microtaena. 



24. 



23. Leonurus. 



25. 



26. Phlomis. 



26. 



22. Stachys. 



24. Lamium. 



28. 



6. 



28. Teucrium. 



29. Ajuga. 



1.— OCIMUM. 



1. 0. Basilicum, Linn. ; Hook. f. Fl. Brit. Ind. iv. 608. 

 Cultivated near Canton. Fl. white, pink or purplish, 

 September. 



