8o 



LABIATAE. 



[Vol.. III. 



4. Scutellaria cordifolia Muhl. Heart- 

 leaved Skullcap. (Fig. 3078.) 



Scutellaria cordifolia Muhl. Cat. 56. 1813. 

 Scutellaria versicolor Nutt. Gen. 2: 38. 1818. 



Perennial, densely glandular-pubescent; stem 

 erect, usually stout, i-3 high, often simple. 

 Leaves prominently veined, sleuder-petioled, 

 broadly ovate, crenate-dentate all around, 2 / -4 / 

 long, all but the uppermost cordate at the base; 

 racemes terminal, narrow, solitary or panicled; 

 bracts ovate, mostly entire, commonly longer than 

 the pedicels; fruiting calyx nearly 3" l n g; cor- 

 olla puberulent, io // -i2 // long, blue with the 

 lower side lighter or white, its tube narrow, its 

 throat moderately dilated, its lateral lobes about 

 as long as the upper lip; gynobase short. 



In woods and thickets, especially along streams, 

 Pennsylvania to Florida, west to Wisconsin, Arkansas 

 and Texas. June-Aug. 



5. Scutellaria pilosa Michx. Hairy Skullcap. (Fig. 3079.) 



Scutellaria pilosa Michx. Fl. Bor. Am. 2:11. 1803. 

 Scutellaria ovalifolia Pers. S} T n. 2: 136. 1807. 



Perennial, stem slender, simple or branched, 

 hairy or downy below, glandular-pubescent 

 above, i-2_^ high. Leaves ovate, oval, or 

 oblong, petioled, obtuse, or the upper subacute 

 at the apex, crenate, i / -3 / long, narrowed or 

 rounded at the base or the lower subcordate; 

 racemes terminal, solitary or panicled, some- 

 times also in the upper axils; bracts oblong or 

 spatulate, entire, longer than the pedicels; 

 fruiting calyx about 3" long; corolla blue, 6 // - 

 8" long, minutely puberulent or glabrous, its 

 lower lip and lateral lobes somewhat shorter 

 than the arched upper one; gynobase short. 



In dry sandy woods and thickets, southern New 

 York and Pennsylvania to Michigan, Florida and 

 Texas. Ascends to 4000 ft. in North Carolina. 

 May-July. 



Scutellaria pilosa hirsuta (Short) A. Gray, Syn. Fl. 



2: Part 1, 379. 1878. 

 5\ hirsuta Short, Transjd. Journ. Med. 8: 582. 1836. 

 Stouter, sometimes 3 high, hirsute; leaves 

 larger, coarsely crenate. Virginia and Kentucky. 



6. Scutellaria integrifolia ~L,. Larger 



or Hyssop Skullcap. (Fig. 3080.) 



Scutellaria integrifolia L. Sp. PI. 599. 1753. 

 Scutellaria hyssopifolia L. Sp. PI. 599. 1753- 



Perennial, hoary with a minute down; stem 

 slender, erect, rather strict, simple or branched, 

 6 / -2 high. Leaves thin, linear to oblong, pet- 

 ioled, or the upper sessile, obtuse at the apex, 

 entire, i / -2 / long, 2 // -6 // wide, or the lower 

 ovate, lanceolate or nearly orbicular, obtuse and 

 sometimes subcordate at the base, often crenate- 

 dentate or incised; racemes solitary or several, 

 terminal; bracts linear-oblong, subacute, longer 

 than the pedicels; fruiting calyx 2 // ~3 // long; 

 corolla blue or whitish underneath, io // -i5 // 

 long, its large lips nearly equal; gynobase short. 



In fields, woods and thickets, Connecticut and 

 Rhode Island- to West Virginia, south to Florida, 

 Louisiana and Texas. Variable. May-Aug. 



