XCA'III. LABIAT.E. 439 



Calyx very oblique, suberect, 2-lippecl, tbe 

 upper lip large, entire, infiexed and closing 

 the mouth, the lower lip truncate, obscurely 

 4-toothed ; or calyx 1 -lipped, slit in front, 

 the solitary lip 5-toothed, incurved, but not 



quite closing the calyx-mouth 9. Anisocuilus. 



Attachment of nutlets slightly oblique to the outer side, the 

 nutlets also dorsally attached to the lobes of the disk 

 leaving a large areole on separation ; calyx-lobes subequal, 



tube 13-15-nerved ; staniens included in the tube 10. Lavandula. 



Perfect stamens 4, erect or sjjreading or ascending. 

 Corolla-lobes 4 ; stamens equal or subequal. 

 Calyx 5-toothed ; stamens exserted. 



Corolla-lobes unequal ; whorls in glomerate or 

 solitary interrupted spikes ; lilameuts bearded or 



naked 11. Pogostemon. 



Corolla-lobes equal; whorls in sleiider continuous 



spikes; filaments bearded 12. Dysopiivlla. 



Calyx 5-partite ; segments plumose ; filaments naked, 



included 13. Colebrookea. 



Corolla 2-lipped ; stamens didynamous. 

 Lower pair of stamens the longer. 



Calyx 13-nerved, equally 5-toothed ; anthers 



2-celled, the cells short 14. Micromeria. 



Calyx 5-10-nerved. 



Upper lip of corolla short, nearly flat ; stamens 

 exserted, the anther-cells of upper dimidiate, 



of the lower pair transverse 15. Anisojieles. 



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 16. Scutellaria. 



LTpper lip of corolla densely woolly. 



Calyx 5-toothed, the teeth spinescent ; 

 stamens more or less exserted ; 



anther-cells parallel 17. Leonurus. 



Calyx 6-10-toothed ; stamens in- 

 cluded ; anther-cells divergent. 

 Lower lip of corolla longer than 



the upper 18. Leucas. 



Lower lip of corolla shorter than 



the upper 19. Leonotis. 



L^pper pair of stamens the longer ; calyx tubular, 



15-nerved, 5-toothed ; stamens included 20. Nepeta. 



Perfect stamens 2 (the lower pair) ascending or erect ; anthers 

 with a long linear transverse connective articulated with the 

 filament; calyx 2-lipped, 5-nerved 21. Salvia. 



1. OCIMUlVr, Linn. 



Strongly scented herbs, shrubs, or imdershrubs. Plowera s,".j;.all, in 

 ()-10-flowered whorls, spicate or racemose ; pedicels with recurved tips ; 

 bracts small, caducous. Calyx ovoid or campanulate, detlexed in fruit, 

 2-lipped ; upper lip broad, flat, decurrent, erect in fruit ; lower lip 

 usually with 4 mucronate teeth, the 2 middle the largest. Corolla 

 2-lipped; tube short, not annulate within ; upper lip subequally 4-tid ; 

 lower lip hardly longer than the upper, declinate, entire, flat or nearly 

 so. Stamens 4, didynamous, declinate, exserted ; filaments free or the 

 lower pair connate below, naked, or the upper toothed or hairy below ; 

 anther-cells confluent. Disk entire or 3-4-lobed. Ovary 4-partite ; 

 slyle-lobes subulate or flattened. Nutlets 4, dry, smooth or subrugose, 



