1022 LAMIACEAE 



ually enlarged to the dilated throat, the upper lip with a hooded middle lobe and lateral 

 lobes as broad as long, tiie lower lip notched : nutlets fully 1 mm. long, tuberculate. 



In stony soil or on shaded banks, Delaware to Ohio, Georgia and Tennessee. Spring and summer. 



6. Scutellaria serr^ta Andr. Perennial, glabrate or puberulent. Stems erect, 2-7 

 dm. tall, simple or branching : leaf-blades thin, ovate, elliptic or oval, 4-10 cm. long, 

 acute or short-acuminate at the apex, serrate or crenate-serrate, the upper more or less cune- 

 ate at the base : racemes few-flowered : pedicel slightly longer than the calyx, or shorter : 

 calyx minutely puberulent, 4 mm. becoming 6 mm. long, the crest abont the middle : corolla 

 blue, 2.5 cm. long, gradually dilated to the large throat, the upper lip with slightly notched 

 middle lobe, the lower lip notched, undulate or crenulate : nutlets 2 mm. long. 



In woods. New York to Illinois and Alabama. Spring. 



7. Scutellaria montana Chapm. Perennial, softly pubescent. Stems erect, 3-5 dm. 

 tall, simple or nearly so : leaf-blades ovate to ovate-lanceolate or oblong, 2-8 cm. long, 

 acute or acutish, coarsely crenate-serrate, more or less cuneate at the sometimes almost 

 hastate base, short-petioled : racemes few-flowered, 3-15 cm. long: pedicel shorter than 

 the calyx, spreading : calyx 3 mm. becoming 8 mm. long, the crest slightly beyond the 

 middle : corolla blue, 3-3.5 cm. long ; tube gradually enlarged, about twice as long as the 

 lips : nutlets fully 2 mm. in diameter, tuberculate. 



In dry woods or thickets in the mountains, Georgia. Summer. 



8. Scutellaria arenicola vSmall. Perennial, pubescent with short upcurved hairs. 

 Stems erect or ascending, simple or branched near the base ; branches 2-4 dm. long, more 

 or less branched above : leaf-blades ovate to elliptic, 1.5-3 cm. long, sharply or crenately 

 serrate, the lower ones truncate at the base, the upper cuneate : racemes 2-10 cm. long : 

 bracts with oblong-oblanceolate or oblanceolate blades: pedicels 2-7 mm. long: corolla 

 blue, 2-2.5 cm. long ; tube gradually dilated, the lower lip suborbicular, 1 cm. broad slightly 

 lobed, notched, the upper lip usually apiculate : nutlets about 1 mm. long. 



In sand, peninsular Florida. Summer. 



9. Scutellaria Mellichdmpii Small. Perennial, finely and closely pubescent, except 

 the leaf-blades. Stems erect, several dm. tall : leaf-blades ovate to oblong-oval, 3-6 cm. 

 long, rather blunt, crenate, cuneate or nearly truncate at the base : bracts spatulate or 

 elliptic-spatulate : pedicels 1-3 mm. long : calyx strigillose, becoming about 4 mm. long : 

 corolla bluish, fully 2 cm. long, minutely glandular-pubescent ; tube less than twice as 

 long as the upper lip. 



In sandy soil, near Bluffton, South Carolina. Summer. 



10. Scutellaria inckna Muhl. Perennial, finely pubescent. Stems erect, 5-12 dm. 

 tall, usually branching above : leaf-blades 4-12 cm. long, acute, serrate or crenate-serrate, 

 truncate or cordate at the base, or the upper ones acuminate at the base : racemes often 

 branching, many-flowered : pedicel shorter than the calyx, erect or ascending : calyx 3-5 

 mm. long, glandular, the crest about middle: corolla bine, 15-18 mm. long; tube grad- 

 ually dilated from near the base, the upper lip with a retuse middle lobe and ovate lateral 

 lobes, the lower lip undulate, sometimes notched : nutlets 1 mm. in diameter, strongly 

 tuberculate. [*S'. canescens Nutt. ] 



In woods and copses, Ontario to Illinois, Georgia and Alabama. Summer. 



11. Scutellaria Altamaha Small. Perennial, hirsute-canescent. Stems erect or 

 assurgent, 2-4 dm. tall, obtusely 4-angled, simple, strict, purplish : leaf-blades ovate or 

 elliptic, 1.5-5 cm. long, obtuse or acutish, serrate, densely punctate, sessile or nearly so, 

 the upper surface somewhat marked with impressed nerves, the lower surface paler, marked 

 with prominent lateral nerves : racemes rather crowded at the end of the stem : calyx 

 campanulate, 2-5 mm. long, faintly ribbed, glandular-punctate, with both lips of about 

 the same size : corolla pale blue, 1-1.3 cm. long, contracted and curved near the base, glan- 

 dular-punctate and glandular-pilose, the lower lip suborbicular, notched at the side, the 

 upper lip much larger than the lower, nearly truncate at the apex. 



In pine lands, Georgia and Florida. Spring and summer.; 



12. Scutellaria pilosa Michx. Perennial, softly pilose or somewhat hirsute. Stems 

 erect, 1-9 dm. tall, nearly simple or branching above : leaf -blades ovate or oval to deltoid- 

 ovate, rarely oblong-lanceolate, 2-7 cm. long, coarsely crenate, the bases acuminate to cor- 

 date, entire : racemes or panicles rather many-flowered : pedicel as long as the calyx, or 

 shorter : calyx 3 mm. becoming 4 mm. long, glandular-pilose, the crest about the middle 

 of the upper lip : corolla blue, sometimes pale, about 1.6 mm. long, minutely pubescent ; 



