194 MENTHACEAE (MINT FAMILY) 



Q. Annual; leaves entire or merely slightly wavy; ovary deeply 4-lobed. 



TRICHOSTEMA (p. 194' . 

 QQ. Perennial; leaves toothed; ovary 4-parted. 

 R. Plants without mint odor; 2 stamens with anthers and 2 antherless. 



LYCOPUS (p. 196) 



RR. Plants with mint odor ; all 4 stamens with anthers. MENTHA (p. 196) 



BB. Plants prostrate, vinelike. 



S. Plant with disagreeable odor; jJetioles 25 mm. or more long; leaves dark 



green; flowers in small clusters in the leaf axils. W. — (Greek name for some 



plant of this family.) Glecoma hederacea (GROUND IVY) 



SS. Plant with mint odor; petioles 4-6 mm. long; leaves red-green; flowers 



solitary in the leaf axils. W. E. — (Gk. mikros = small, mens = a division; 



referring to the shghtly 2-lipped perianth.) Micromeria douglasii (tea vine) 



AA. Shrubs aromatic; leaves entire, spatulate to obovate. E. — (Possibly French 



ramon = a broom of twigs; it is a low, much-branched shrub.) Ramona incana 



TRICHOSTEMA (Blue Curls) 



Flowers blue, in axillary panicles or cymes. Calyx s-lobed. Corolla 

 tube narrow ; lobes somewhat similar, oblong. Stamens 4. — (Gk. trichos = 

 hair, stemon = a stamen ; the stamens are long and hairlike.) 



A. Calyx lobes lanceolate, acuminate; corolla tube not exceeding the calyx. W. E. 



T. oblongum 

 AA. Calyx-lobes ovate-triangular, acute; corolla tube exceeding the calyx. 

 B. Leaves acuminate, obscurely veined; corolla 6-8 mm. long. U. T. laxum 



BB. Leaves acute, strongly veined; corolla about 12 mm. long. W. 



T, lanceolatum (vinegar weed) 



SCUTELLARIA (Skullcap) 



Bitter. Flowers blue or violet or whitish, in spikelike racemes, or 1-3 

 in each leaf axil. Calyx 2-lipped; lips entire, lower persistent. Corolla 

 much exserted, glabrous inside. Stamens 4, all with anthers. — (L. scutella 

 = a dish ; referring to the appendages of the calyx in fruit.) 

 A. Leaves or at least the lower ones somewhat serrate or dentate. 

 B. Leaf blades widest below their middle. 

 C. Flowers in axillary and sometimes also terminal racemes; corolla 6-10 mm. long. 

 W. E. S. lateriflora (mad-dog skullcap) 



CO. Flowers solitary in the leaf axils; corolla 14-30 mm. long. 

 D. Leaves obtuse, 6-12 mm. long. U. S. tuberosa 



BD. Leaves acute, 10-37 mm. long. E. S. galericulata (Marsh skullcap) 



BB. Leaf blades widest above middle; flowers solitary in leaf axils. E. S. nana 



AA. Leaves entire. 

 E. Stem leaves obtuse at both ends; corolla 14-20 mm. long. W. E. 



S. antirrhlnoldes 

 EE. Stem leaves acute at base; corolla 16-25 mm. long. U. E. S. angustifoUa 



AGASTACHE (Giant Hyssop) 



Erect, taU. Leaves serrate, petioled. Flowers yellowish or purplish or 

 blue, in whorled clusters in spikes; spikes bracted, terminal. Calyx 



