LAMIACEAE 1023 



tube gradually dilated from near the base, the lower lip deltoid-reniform, crisped, notched 



at the apex, the upper lip surpassing the lower, notched : nutlets over 1 mm. in diameter, 



tuberculate. 



In open woods and thickets, New York to Michigan, Florida and Texas. Spring and summer. — 

 The larger, very hirsute form of the eastern campestrian region is S. pilusa hirsiUa (Short) A. Gray. 



13. Scutellaria glabriuscula Fernald. Perennial, puberulent, slender. Stems 

 mainly erect, 3-6 dm. tall, corymbosely branched above, or simple : leaf-blades linear to 

 linear-spatulate or oblong to oblong-ovate near the base of the stem, 1-4 cm. long, obtuse 

 or acutish, entire or undulate above the lower pair or two, gradually or abruptly narrowed 

 into slender petioles : pedicel as long as the calyx, or barely as long at maturity, surpassed 

 by the bract : calyx 2.5 mm. liecoming 5 mm. long, the crest about the middle of the 

 upper lip : corolla blue, fully 2 mm. long, glabrous, the lower lip flat, notched, the upper 

 lip shallowly notched at the apex : anthers bearded : nutlets about 1 mm. in diameter. 



In sandy soil, Florida. Spring to fall. 



14. Scutellaria integrifolia L. Perennial, softly or finely pubescent, glandular 

 above. Stems erect, 2-6 dm. tall, nearly simple or branching above : leaf-blades various, 

 the lower ones ovate to oblong-ovate, 1-3 cm. long, coarsely toothed, the upper oblong, 

 oblong-lanceolate to linear, 1-5 cm. long, entire, all petioled : racemes or panicles usually 

 many-flowered ; pedicel shorter than the calyx, 3-4 mm. long, surpassed by the bract, the 

 crest about the middle, accrescent : corolla blue, 2-2.3 cm. long, more or less densely 

 pubescent ; tube rather abruptly dilated about the middle, the lower lip notched : anthers 

 ciliate : nutlets barely 1 mm. in diameter, tuberculate. 



In dry soil, thickets or open woods, Rhode Island to Florida, Ohio and Texas. Spring and summer. 



15. Scutellaria multiglandulosa (Kearney) Small. Perennial, glandular-pubescent. 

 Stems erect, 1-3 dm. tall, simple or sparingly branched : leaf-blades various, the lower 

 ones oval or oblong, 1-2 cm. long, often coarsely crenate, manifestly petioled, the upper 

 oblong to nearly linear, 1-4 cm. long, obtuse, entire, acuminate at base, not much reduced 

 above, sessile or short-petioled : racemes few-flowered : pedicel longer than the calyx, 

 spreading : calyx 2-4 mm. long, the crest slightly above the middle : corolla blue or 

 white, 2 cm. long ; tube widely dilated, the lower lip equalling or surpassing the upper : 

 anthers barely ciliate : nutlets fully 1 mm. long. [.S'. integrifolia multiglandulosa Kearney. ] 



In pine lands and dry fields, Georgia and Florida. Spring. 



16. Scutellaria brevifolia A. Gray. Perennial, cinereous-puberulent. Stems erect, 

 1-2 dm. tall, often branching at the base or near it : leaf-blades oblong to oblong-lanceo- 

 late, 1-1.5 cm. long, obtuse or acutish, entire, sessile or short-petioled, little reduced above : 

 racemes leafy-bracted, few-flowered : pedicel shorter than the calyx, surpassed by the 

 bract : calyx 2-3 mm. long, closely pubescent, the crest thick, beyond the middle : corolla 

 blue, pubescent with recurved hairs ; tube dilated into a wide throat, the lower lip large, 

 drooping, notched, undulate : anthers barely ciliate : nutlets about 1 mm. long, granular. 



On rocky banks, Texas. Spring and summer. 



17. Scutellaria Floridana Chapm. Perennial, puberulent. Stems erect, simple or 

 nearly so, 2-4 dm. tall, sometimes slightly flexuous above : leaf-blades narrowly linear, 

 1-2.5 cm. long, rather blunt, entire, revolute, sessile, scale-like at the base of the stem : 

 racemes few-flowered : pedicel usually longer than the calyx, surpassed by the bract : calyx 

 4—8 mm. long, densely punctate, the crest above the middle : corolla blue, 2.5 cm. long ; 

 tube much dilated at throat ; lips about as long as the tube, nearly equal in length, the 

 lower one drooping : anthers long-bearded : nutlets about 1.5 mm. long. 



In pine-land swamps, Florida. Summer. 



18. Scutellaria cardiophylla Engelm. & Gray. Annual, puberulent. Stems erect 

 or ascending, 3-9 dm. long, more or less branched : leaf-blades ovate to triangular-ovate 

 or deltoid-ovate, 1-3 cm. long, acutish, coarsely crenate-serrate, truncate or cordate at 

 base : racemes leafy-bracted : pedicel shorter than the calyx, much surpassed by the bract : 

 calyx 4 mm. long, becoming 5 mm. long, the crest beyond the middle, often purplish : 

 corolla blue, 7-9 mm. long, the upper lip much smaller than the lower one : nutlets 

 about 1 mm. long, granular. 



On prairies and in open woods, Arkansas and Texas. Spring. 



19. Scutellaria Drummondii Benth. Annual or biennial, hirsute or villous-hirsute. 

 Stems erect, or more or less diffusely branched at the base, 0.5-2 dm. long, the branches 

 decumbent or ascending : leaf-blades ovate-oblong or oval, 1-1.5 cm. long, obtuse, entire 

 or crenate-undulate, cuneate or abruptly narrowed at the base : racemes leafy-bracted : 

 pedicel shorter than the calyx, erect or ascending : calyx 2-4 mm. long, becoming 6 mm. 

 long, the crest beyond the middle : corolla blue or purple, pilose, 10-12 mm. long, the 



