Genus 5. 



MINT FAMILY. 



4. Scutellaria cordifolia Muhl. Heart-leaved 

 Skullcap. Fig. 3578. 



Scutellaria cordifolia Muhl. Cat. 56. 1S13. 

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



Perennial, densely glandular-pubescent ; stem erect, 

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

 prominently veined, slender-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" long; corolla puberulent, io"-I2" 

 long, blue with the lower side lighter or white, its 

 tube narrow, its throat moderately dilated, its lat- 

 eral lobes about as long as the upper lip; gynobase 

 short. 



In woods and thickets, especially along streams. 

 Pennsylvania to Florida, west to Minnesota, Kansas, 

 Arkansas and Texas. Includes several races. June- 

 Aug. 



Scutellaria pilosa Michx. Hairy Skullcap. Fig. 3579. 



1803. 



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

 Scutellaria ova'.ifolia Pers. Syn. 2: 136. 1807. 

 .S. hirsuta Short, Transyl. Journ. Med. 8 : 582. 1836. 

 Scutellaria pilosa hirsuta A. Gray, Syn. Fl. 2: Part 



1, 379- 1878. 



Perennial, stem slender, simple or branched, 

 hairy or downy below, sometimes hirsute, glan- 

 dular-pubescent above, i-3 high. Leaves ovate, 

 oval, or oblong, petioled, obtuse, or the upper 

 subacute at the apex, crenate, 1-3' long, nar- 

 rowed or rounded at the base or the lower sub- 

 cordate ; racemes terminal, solitary or panicled, 

 sometimes 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, Missouri, 

 Florida and Texas. Races differ in size and in pubes- 

 cence. Ascends to 4000 ft. in North Carolina. May- 

 July. 



6. Scutellaria integrifolia L. Larger or 

 Hyssop Skullcap. Fig. 3580. 



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'-2s high. Leaves thin, linear to oblong, peti- 

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

 entire, 1/-2' long, 2"-6" wide, or the lower ovate, 

 lanceolate or nearly orbicular, obtuse and some- 

 times subcordate at the base, often crenate-den- 

 tate or incised ; racemes solitary or several, term- 

 inal ; 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, Massachusetts to 

 West Virginia, Tennessee, Arkansas, Florida, Louisi- 

 ana and Texas. Consists of several races. May- 

 Aug. Large-flowered scullcap. 



