92 Labiatae 



short upper lip and lower lip reflexed. Stamens 4 or 2. 

 Anthers 2-celled. Nutlets warty or reticulate. 



Corolla persistent, with ring of hairs within. Upper 

 lip 2-lobed. Ajuga. 



Corolla deciduous, without ring of hairs. Upper lip 

 absent. Teucrium. 



Subfamily 2. Scutellarioideae, Calyx 2-lipped. 

 Corolla 2-lipped, with helmet-shaped upper lip. Stamens \. 

 Ovary 4-lobed. Nutlets more or less globular, with dry 

 pericarp, attached by small basal insertion to gynophore- 

 like torus. 5^^<3? transverse. Endosperm d^Q'^^nX. Embryo 

 bent. 



(Calyx-tube dilated above to form hollow pouch.) 



Scutellaria. 



Subfamily 3. Stachydoideae. Calyx-tube with 

 5-15 ribs. Corolla almost actinomorphic or markedly 

 zygomorphic. Stamens 4 or 2. Ovary 4-lobed. Nutlets 

 ovoid, obovoid or tetrahedric, with dry pericarp and 

 small basal attachment. Seed straight. Embryo 

 straight. 



Tribe 2. Marrubieae. Calyx tubular or campanulate, 

 5-10-toothed. Corolla usually hidden by calyx. Stamens 

 and style included. 



Only British genus: Marrubium. 



Tribe 3. Nepeteae. Calyx 1$ -ribbed. Corolla 2-\ipped. 



Stamens 4, posterior (inner) pair longer or alone present. 



Only British genus : Nepeta. 



Tribe 4. Stachyeae. Calyx 5-10-ribbed. Upper lip 

 of corolla concave. Stamens 4, parallel, ascending under 

 the upper lip, anterior {outer) pair longer. 



