Labiatae o^ 



Subtribe i. Briinelliiiae. Calyx 2-Hpped. Lips 

 closing together in fruit. Upper lip of corolla concave. 

 Only British genus : Brunella. 



Subtribe 2. Melittiiiae. Calyx broadly campanulate 

 not closing in fruit. Corolla-ttibe dilated throughout. 

 Only British genus : Melittis. 



Subtribe 3. Lainimae. Calyx tubular not closing in 

 fruit. Corolla-tube not dilated below. 



A. Anther-thecae transverse during dehiscence. 

 Corolla with hollow scales on palate. Galeopsis. 



B. Dehiscing anther-thecae vertical or oblique. 



1. Nutlets sharply 3-angular with obtuse apex. 

 Leaves serrate. Calyx teeth not spinous. Throat 



of corolla dilated. Lamium. 



Leaves incised. Calyx teeth spinous. Throat of 



corolla not dilated. *Leonurus. 



2. Nutlets ovoid with rounded apex. 



Calyx funnel-shaped, teeth dilated at base or united 

 to form a ring. Ballota. 



Calyx tubular or campanulate, teeth 3-angular, not 

 dilated or united. Stachys. 



Tribe 5. Salvieae. Calyx campanulate or tubular. 

 Corolla with helmet-shaped or sickle-shaped upper lip. 

 Stamens 2 (the anterior pair). Connective linear, bearing 

 one fertile theca. 



Only British genus : Salvia. 



Tribe 6. Satiireieae. Calyx with five equal teeth or 

 2-lipped. Corolla with flat lobes, almost actinomorphic 

 or 2-lipped. Stamens 4 or 2, equal or the anterior pair 

 longer. 



