22 



LAMIACEAE 



m. Leaves green; filaments separate Ocimum 



n. Leaves colored ; filaments united Coleus 



(y) Corolla with upper lip 2-lobed, lower 3-lobed 

 m. Native herb; leaves lanceolate to ovate Dracocephalum 



n. Hoary undershrub, cultivated; leaves lance-linear Lavandula 



y. Teeth equal in size or nearly so 



(x) Calyx swollen in fruit Physostegia 



(y) Calyx not swollen 



m. Calyx teeth rigid, spiny Leonurus 



n. Calyx teeth not spiny 



(m) Flowers in heads Koellia 



(n) Flowers not in heads 

 r. Stamens projecting, at least 2 of them 



(r) Leaves linear to oblong; bracts green Hyssopus 



(s) Leaves ovate; bracts purple Origanum 



s. Stamens not projecting 



(r) Lower or outer stamens shorter than the inner 

 h. Anther halves parallel Lopanthus 



i. Anther halves spreading Nepeta 



(s) Lower or outer stamens longer than the inner 



h. Upper lip of the corolla flat, erect Satureia 



i. Upper lip hooded or concave 



(h) Calyx 5-nerved Lamium 



(i) Calyx 10-nerved Stachys 



Mentha— Mint 



(Gr. mintha, Lat. mentha, mint) 



1. Leaves sessile 



2. Leaves petioled 



a. Flowers mostly in terminal spikes 



(1) Leaves lanceolate 



(2) Leaves ovate 



b. Flowers in axillary whorls 



M. spicdta: spearmint 



M. piperita: peppermint 

 M. citrdta: bergamot 



mint 

 M. canadensis: wild mint 



Perilla — Perilla 



(From the native name in India) 

 Leaves ovate, bronze-purple, fragrant ; flowers rose or whitish 



P. crispa 



Salvia — Sage 



(Lat. from salvus, well, referring to its medical use) 



1. Flowers blue 



a. Tall; leaves green; flowers large, 2-3 cm. S. aztirea: blue sage 



b. Low; leaves white-woolly; flowers 1-2 cm. 5. officinalis: garden sage 



2. Flowers red 



a. Floral leaves and calyx green S. ftilgens 



b. Floral' leaves and calyx red S. splendent: red sage 



Monarda — Balm, Horse-mint 



(Named for Monardez, a Spanish writer on medical plants) 



1. Corolla red .1/. did y ma: Oswego tea 



2. Corolla rose-purple to white M. fistulosa: wild berga- 



mot 



Rosmarinus — Rosemary 



(Lat. ros, dew, marinus, of the sea) 

 Shrub with evergreen linear leaves, hoary beneath ; flowers blue 



R. officinalis 



