82 LABIATE. 



glabrous Anisomeles. 



** Corolla strongly or slightly 2-lipped, upper lip often 

 concave. Anthers with linear narrow cells. Stamens 2. 



Salvia. 



^ AA Corolla 2-lipped or nearly actinomorphic, with slightly 

 different lobes. Upper lip, if exists, flat or very slight- 

 ly concave. Anthers ovate. 



n Calyx 10-13-rarely 15-nerved. Corolla 2-lipped. 

 Stamens ascending under the upper lip. 

 f Corolla exserted recurved ascendent. ...Melissa. 



ff Corolla straight Calamintka. 



00 Calyx 10-13-nerved. Corolla 2-lipped. Stamens 

 patent from the base, straightly spreading, nearly 



equal Origanum. 



000 Calyx 10-13-nerved. Corolla nearly actinomorphic. 

 Stamens spreading straight from the base and 

 nearly equal, 

 f Fertile stamens 2. the anterior with divaricate 



cells. Nutlets with flat truncate top 



Lycopus. 



f"f Stamens 4, with parallel cells. Nutlets with 



rounded top M&ntJia. 



001:30 Calyx 10-nerved. Corolla differently 2-lipped or 

 nearly actinomorphic. Stamens erect spreading, 

 didynamous. 

 f Fertile stamens 4, erect, spreading, the anterior 



longer. Corolla short 5-fld Per ilia. 



' tt Fertile stamens 2, the posterior ; the anterior 

 reduced to staminodes. Corolla slightly 2-lip- 

 ped ; upper lip emarginate ; lower lip 3-fid.... 

 Mosla. 



2. Anthers rounded, with cells which are connate into one cell 



