606 cxii. LABIATE. (J. D. Hooker.) 



*** Whorls many-fid., capitate, involucrate. Stamens 4. 



20. OKIGANFM. 



**** Whorls few-fid. Stamens 4 21. THYMTTS. 



***** Whorls axillary secund. Calyx \5-nerved. 



22. HTSSOPUS. 



Subtribe 3. MELISSE^E. Calyx 13-nerved. Corolla 2-lipped. Stamens 

 2 or 4, ascending. 



Calyx 5-toothed 23. MICROMEEIA. 



Calyx 2-lipped ; corolla-tube nearly straight .... 24. CALAMINTHA. 

 Calyx 2-lipped ; corolla-tube recurved 25. MELISSA. 



Tribe 3. IKEonardeae. Perfect stamens 2, ascending, parallel ; anther- 

 cells linear, solitary or separated by a filiform connective. 



Anther-cells equal, contiguous, pendulous from a small 



connective 26. PEEOWSKIA. 



Anther-cells equal, distant, pendulous from a long 



connective 27. MEEIANDEA. 



Anther-cells very unequal or solitary, on a long connec- 

 tive ,. . 28. SALVIA. 



Tribe 4. Nepeteae. Perfect stamens 4 with the upper pair longest, 

 rarely 2, ascending or diverging ; anthers 2-celled, cells at length diverging. 

 Ovary 4-partite. Nutlets dry, with a small basal areola. 



Calyx tubular, 5-toothed 29. NEPETA. 



Calyx 2-lipped, upper lip much the largest 30. DBACOCEPHALTTM. 



Calyx 2-lipped, lateral lobes of upper lip on the face of 



the midlobe 31. LALLEMANTIA. 



Tribe 5. Stachydeae. Perfect stamens 4, ascending, lower pair 

 longest. Calyx 5-10-nerved. Upper lip of corolla erect hooded, lower spread- 

 ing 3-fid. Nutlets dry, basal areola small. 



Subtribe 1. SCUTELLARIE^E. Calyx 2-lipped, mouth closed after flower- 

 ing. 



Fruiting calyx 2-partite; lips entire, upper with a 



broad plate 32. SCTTTELLAEIA. 



Fruiting calyx tubular, upper lip 3- lower 2-toothed . 33. BKUNELLA. 



Subtribe 2. MABRUBIE^;. Calyx tubular or campanulate. Stamens 

 included in the corolla-tube 34. MAKEUBIUM. 



Subtribe 3. LAMIE.ZE. Calyx tubular or campanulate. Stamens exserted 

 from the corolla-tube. 



* Upper lip of the corolla short, nearly flat, glabrous or pubes-^trit 



Calyx subglobose ; anther-cells divaricate ; nutlets 



subglobose 35. CEANIOTOME. 



Anther- cells of lower stamens parallel, transverse, of 



upper dimidiate 36. ANISOMELES. 



Anther-cells confluent; nutlets hispid or scaly . . . 37. ACHTEOSPEEMUM. 



Anther-cells confluent ; nutlets winged 38. COLQUHOUNIA. 



** Upper lip of the corolla hooded, villous. 

 Calyx 5-toothed ; anther-cells divergent ; nutlets obtuse 39. STACHYS. 



