162 LAMIACEAE. 



Family 10. LAMIACEAE. Mint Family. 



Herbs or woody plants, often aromatic. Stems 4-sided. Leaves 

 opposite or whorled : blades simple, entire, toothed, or lobed. Flowers 

 perfect, in open or compact cymes. Calyx of 5 partially united sepals, 

 regular or 2-lipped. Corolla of 5 partially united sepals, 2-lipped or 

 nearly regular. Androecium of 2-A stamens, the pairs often irregular. 

 Gynoecium 2-carpellary. Ovary 4-celled. Fruit of 4 nutlets included in 

 the cah'x. 



Gynoecium with 2 united 2-lobed carpels : ovary 4-lobed : style not basal : nutlets 

 laterally attached. 

 Corolla very irregular, the upper lip very short or obsolete. 1. TincitirM. 

 Corolla nearly regular, the upper lip prominent. 2. Teiciiostema. 



Gynoecium with 4 distinct, or nearly distinct, lobes : style 

 basal : nutlets basally attached. 

 Calyx with a transverse crest on the upper side of the 



upper lip ; lip entire. 3. Scutellaria. 



Calyx crestless : lip lobed. 



Corolla conspicuously 2-lipped ; lips different, the upper 

 one concave. 

 Anther-bearing stamens 4. 4. Dracocephalum. 



Anther-bearing stamens 2. • 5. Salvia. 



Corolla nearly regular, or if 2-lipped, the upper lip 

 flat, not concave. 

 Stamens 2 or 4 ; filaments straight and spreading 



or converging under the upper corolla-lip. 6. Pycnothymus. 



Stamens 4, didynamous. the lower pair the longer, 

 lying on the lower corolla-lip. 

 Calyx with nearly equjil lobes : corolla with a 



saccate drooping lower lip. 7. IIyptis. 



Calyx with a broad decurrent upper lobe : corolla- 

 lobes nearly equal. 8. Ocimom. 



1. TEUCRIUM [Tourn.] L. Herbs. Leaf -blades toothed. Flowers in 

 raceme-like panicles. Calyx 2-lipped. Corolla mainly pink, very irregular: 

 upper lip split: lower lip 3-lobed, projecting beyond the upper lip: tube rela- 

 tively long. Stamens lying against the upper lip. 



1. T. Nashii Kearney. Stems 3-14 dm. tall: leaf-blades narrowly oblong to 

 lanceolate, 4-14 cm. long, whitish-pubescent beneath: calyx becoming 6-7 

 mm. long; lower lobes blunt: corolla pink, 15-20 mm. long. — Everglades — 

 Germander. 



2. TRICHOSTEMA L. Herbs or shrubby plants. Leaf-blades entire or 

 repand. Flowers in axillary cymes. Calyx very irregular, 2-lipped. Corolla 

 somewhat 2-lipped, the upper lip longer and narrower than the lower lip. 

 Stamens lying against the lower corolla-lip. 



1. T. dichotomum L. Plants 1-20 dm. tall: leaf-blades oblong to oblong- 

 lanceolate, 2-7 cm. long: calyx becoming 8 mm. long; larger lip sharply 3- 

 lobed: corolla nearly 1 cm. long: nutlets 2 mm. long. — Hammocks. — Blue- 

 curls. 



3. SCUTELLAHIA L. Herrbs or shrubby plants. Leaf-blades entire or 

 toothed. Flowers axillary or in racemes. Calyx 2-lipped, the upper lip 

 crested. Corolla with a long curved tube, 2-lipped, the upper lip arching. 



1. S. cubense A. Rich. Plants 1-3 dm. tall, hoary-pubescent: leaf -blades 

 orbicular-ovate to ovate, 3-6 mm. long, those of the lower ones sometimes 

 shallowly toothed: calyx becoming 3 mm. long: corolla 14-16 mm. long; lower 

 lip 7-8 mm. wide: nutlets fully 1 mm. long. [S. longlflora Small.] — Pinelands. 

 — {Bah., Cuba.) — Skullcap. 



