Descriptive Flora 181 



(x) Plants small, calyx tube finely 13- Page 



ribbed .Hedeoma — 189 



(y) Calyx tube not finely ribbed. 



(1) Calyx closed in fruit Brazoria— 184 



(2) Calyx not closed in fruit. 



o. Corolla apparently with only a 



lower lip Teucrium — 182 



p. Corolla with upper and lower lip Physostegia — 185 



b. Flowers white or shading into pink or 

 purple. 



x. Shrubs . . Salvia— 187 



y. Plants not shrubs. 



(1) Flowers in big rosettes at intervals 



along the stem Monarda— 188 



(2) Flowers not in big rosettes. 



m. Corolla apparently with only a 



lower lip Teucrium — 182 



n. Corolla distinctly two-lipped. 



(1) Calyx closed in fruit Brazoria — 184 



(2) Calyx not closed in fruit. 



o. Corolla large, showy Physostegia — 185 



p. Corolla small, inconspicuous Stachys — 186 



c. Flowers blue to purple. 



m. Shrubs Salvia— 187 



n. Plants not shrubs. 



(x) Leaves entire or nearly so. 



(1) Calyx small, finely 13-ribbed. 



o. Flowers clustered in leaf axils Hedeoma — 189 



p. Flowers solitary in leaf axils Micromeria — 189 



(2) Calyx not ribbed. 



o. Calyx toothed Salviastrum — 187 



p. Calyx not toothed . Scutellaria — 182-3 



(y) Leaves not entire, 

 r. Flowers in big rosettes at intervals 



on the stem Monarda — 188 



s. Flowers not in big rosettes. 



(1) Calyx whitish or pale blue Salvia— 187 



(2) Calyx closed in fruit. 



o. Calyx toothed Brazoria — 184 



p. Calyx not toothed Scutellaria — 182-3 



(3) Calyx open in fruit Stachys— 186 



2. Leaves with more than 1 main vein at base. 



a. Flowers white or nearly so. 



