MENTHACEAE (MINT FAMILY) 193 



EE. Leaves obtuse; flowers in dense axillary clusters; calyx s-io-veined; 

 corolla not dotted; stamens included in the corolla tube. W. E. — Me- 

 dicinal plant. (Hebrew morrob = a bitter juice.) 



Marrubium vulgare (horehound) 

 DD. ' Stem not villous nor tomentose, though often hairy. 

 G. Calyx with a crest or protuberance on one side. SCUTELLARIA (p. 194) 

 GG. Calyx without crest or protuberance. 

 H. Calyx 15-veined. 

 I. Leaves not entire; leaf blades widest at or below their middle. 

 J. Plants not aromatic; flowers in elongated spikelike clusters; all 4 



stamens with anthers. 

 K. Perennial; leaves triangular-ovate; inflorescence bracts not pecti- 

 nate; lower lip of corolla with middle lobe crenulate. 



AGASTACHE (p. 1Q4) 

 KK. Annual or biennial; leaves lanceolate; inflorescence bracts pecti- 

 nate; lower Up of corolla with middle lobe not crenulate. C. E. — (Gk. 

 drakon = a dragon, kepkale = a head; referring to the form of the 

 flower in some species.) Dracocephalum parviflorum (dragonhead) 



JJ. Plants aromatic ; flowers in flattened or round headlike clusters ; 

 2 stamens with anthers, 2 others from antherless to totally absent. 



MONARDA (p. iqs) 



n. Leaves entire, oblanceolate to obovate. U. — (Gk. pogon = a beard, 



gyne = the pistil; referring to the bearded style.) Pogogyne douglasii 



HH. Calyx s-13-veined. 



L. Leaves not cleft. 



M. Flowers in terminal headlike or dense spikelike clusters; calyx 10-13- 



veined. 



N. Heads elongated, spikelike. W. C. E. — (German braune = quinsy, 



for which this was thought a remedy.) Prunella vulgaris ^heal-all) 



NN. Heads flat. MADRONELLA (p. 195) 



MM. Flowers in loose interrupted terminal spikeUke clusters; calyx 



5-10-veined. 



O. Leaf teeth sharp-pointed, not rounded; leaves narrowed at base. 



W. C. E. — (Gk. physa — a bladder, siege = a covering; referring to 



inflated fruiting calyx.) Physostegia parviflora (jalse dragonhead) 



00. Leaf teeth somewhat rounded at tip; leaves rounded to cordatei 



at base. STACHYS (p. 195) 



MMM. Flowers in whorls in the axils of ordinary stem leaves; calyx about 



5- or 13-veined. 



P. Annual or biennial; upper leaves sessile; flowers purple or red; calyx 



about s-veined. E. — (Gk. laimos = the throat; because the corolla 



is widely gaping.) Lamium amplexicaule (henbit) 



PP. Perennial; upper leaves petioled; flowers white or yellow; calyx 



about T3-veined. E. — (Greek name of the honeybee; the flowers are 



very sweet.) Melissa officinalis garden (balm) 



LL. Leaves 3-cleft or some s-cleft; flowers in the axils of ordinary leaves. 



W. — (Gk. Uon = a lion; oura = a tail; suggested by the inflorescence.) 



Leonurus cardiaca (motherwort) 

 CC. Corolla, regular or nearly so. 



F. & R. EL. FL. — 13 



