LABIATE. 



231 



Calyx very oblique, suberect, 2- 

 lipped ; upper lip large, entire in- 

 flexed and closing the mouth : 

 lower lip truncate, obscurely 

 toothed 



6. ANISOCHILUS, 



Attachment of nutlets slightly oblique to 

 the outer side, the nutlets also dorsally 

 attached to the lobes of the disk 

 and leaving a large areola on separa- 

 tion ; calyx-lobes subequal, 13-15- 

 nerved ; corolla 2-lipped, lobes all flat 

 and spreading, stamens included in the 

 tube 7. LAVANDULA. 



Stamens erect spreading or ascending : 

 Stamens 4, all perfect : 



Corolla-lobes 4, flat, sub-equal and 

 similar ; stamens subequal, anther- 

 cells confluent : 



Calyx 5-toothed, teeth equal, stamens 

 exserted, filaments usually 



bearded : 



Lower lobe of corolla flat, spread- 

 ing ; whorls in glomerate or in 

 solitary interrupted spikes : . 8. POGOSTEMON, 



Lower lobe of corolla like the 

 others ; whorls in slender dense 

 continuous spikes ... 9. DYSOPHYLLA. 

 Calyx 5-partite ; segments plumose 



in flower, pappose in fruit ; whorls 



in slender cylindric spikes ; stamens 



of female flowers included, filaments 



naked .... 



10. COLEBROOKIA, 



Corolla 2-lipped, stamens didynamous : 

 Anterior pair of stamens the longer : 

 Calyx 13-nerved, anthers 2-celled : 

 Calyx equally 5-toothed . . 11. MICROMEEIA. 

 Calyx distinctly 2-lipped . . 12. CALAMINTHA, 

 Calyx 5-10-nerved : 



Upper lip of corolla short, nearly 

 flat ; anthers of upper stamens 

 2-celled, of lower 1-celled, the 

 cells transverse and parallel . 13. ANISOMBLBS. 



