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. pilosa hirsuta (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-spatula te 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. becoming 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. [/ 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 : nutletg 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 



