Scutellaria. LABIATE. 379 



V ar. arguta. Pilose-pubescent : thin leaves narrower, acutisli, more deeply crenate- 

 dentate. — S. arguta, Buckley in Am. Jour. Sci. xlv. 175; Chapra. Fl. 323. S. saxatilis, 

 var. -i pilosior, Benth. 1. c, at least in part. S. Chamcedri/s, Shuttleworth in Ind. Sem. Lips., 

 on char. — Mountains of Carolina and Georgia. 



+- -1— Cauline leaves crenate-dentate or serrate, only the lowest if anv cordate at base, more or 

 less petioled : lateral lobes of the blue corolla shorter than the galeate upper lip and more con- 

 nected with it. one 



•w- Corolla a full inch long, nearly glabrous : stem (a foot or two high) and loosely flowered some- 

 what leafy erect raceme simple, or rarely a pair of racemes at the base of the terminal one : 

 leaves (3 to 5 pairs) coarsely and sharply serrate, acute or acuminate, mostly acute at base, 2 to 4 

 inches long; the lowest floral usually large and similar; upper entire and lanceolate. 

 S. montana, Ghapm. Soft-pubescent : leaves oblong-ovate or the lowest subcordate : 

 calyx velvety-pubescent : tube of the corolla ampliate upward, and the lips very broad, 

 the upper emarginate. — Bot. Gazette, iii. 11. —Dry woods and fields, in the mountains of 

 the north-western part of Georgia, Chapman.' 

 S. serrata, Andr. Glabrous, or obscurely pubescent : leaves thin, ovate or ovate-ob- 

 long : corolla with narrow tube, moderately ampliate throat, and rather narrow upper lip. 

 — Bot. Rep. t. 494 ; Benth. in DC. 1. u. 422. — Woods, Penn. to Illinois and N. Carolina. 

 ++ ++ Corolla two-thirds or three-fourths inch long, canescently puberulent : racemes numerous, 

 thyrsoid-paniculate, many-flowered. 



S. canescens, Nutt. Minutely and canescently pubescent : stem 2 to 4 feet high, 

 leafy : leaves from oblong-ovate to lanceolate-oblong, crenate-serrate, acute (3 or 4 inches 

 long), the base obtuse or rounded, or of the uppermost acute, and lowest occasionally sub- 

 cordate, the upper surface green and glabrous, the lower canescent, as also the racemes 

 and especially the calyx : upper lip of corolla considerably surpassing the lower. — Gen. 

 ii. 38 ; Benth. 1. c. S. pubescens & S. incana, Muhl. Cat. S. serrata, Spreng. Syst. ii. 703, 

 not Andr. — River-banks, W. Canada and Penn. to Illinois, and the mountains of Carolina 

 and N. Alabama. Varies with the foliage greener, only a little paler beneath, and in 



Var. punctata, Chapm., glabrate and minutely punctate beneath. — Georgia and 

 Florida, Chapman. 



+++*++ Corolla half inch long, nearly glabrous : raceme simple and terminal, or also from the 

 axils of one or two pairs of leaves. 



S. pilosa, Michx. Hirsute-pubescent: stem slender, a foot or two high: leaves rather 

 remote, oblong-ovate, obtuse, crenate, veiny (inch or two long) ; the lower subcordate and 

 slender-petioled ; upper cuneate at base and subsessile ; floral oblong : bracts of the oblong 

 raceme spatulate. — Fl. ii. 11 ; Benth. I.e. S. Caroliniana, Walt. Car. 163? S. elliptica, 

 Muhl. Cat. 1 S. polymorpha, C. Hamilton, Monogr. 39, in part, ex Benth. — Dry or sterile 

 ground, S. New York and Michigan to Florida and Texas. 



Var. hirsuta, a large form, sometimes nearly 3 feet high, more hirsute : larger leaves 

 2 or 3 inches long, very coarsely crenate. — S. hirsuta, Short, Cat. PI. Kentucky. — Richer 

 soil, Kentucky, Short. 



Var. OValifolia, Benth., a form with shorter and finer pubescence, and narrower 

 less veiny leaves. — S. ovalifolia, Pers. Syn. ii. 136. — New Jersey to Virginia. 

 S. villosa, Ell. Sk. ii. 90, from upper part of Georgia (villous, and with lanceolate leaves 



3 or 4^ inches long, coarsely dentate and acute at both ends, brachiate racemes, but flowers 



not seen), is not identified. 



•(— H— -K- Cauline leaves entire (except in the first species), obtuse, narrowed at base: racemes 

 mostly simple and terminal, leafy below: corolla blue, upwardly much ampliate and with large 

 lips. 

 ++ These much shorter than the downwardly attenuate tubular portion : pubescence wholly soft 

 or cinereous. 

 S. integrifolia, L. Manifestly pubescent or puberulent: stems mostly simple from a 

 fibrous root, 8 to 20 inches high, slender : leaves thinnish, from oblong to nearly linear, an 

 inch or more long; the upper narrowed at base and subsessile or short-petioled ; lowest 

 varying to ovate or even cordate and slender-petioled, often with a few coarse crenatures 

 or obtuse teeth : corolla slightly pubescent, near an inch long; lower lip about equalling 

 the upper: anthers long-ciliate : nutlets tuberculate. — (Pluk. Aim. t. 313, fig. 4.) S. inte- 

 grifolia & S. hyssopifolia, L. Spec. ii. 599, the latter a narrow-leaved form. S. Caroliniana, 

 Lam. 111. t. 515, fig. 3. S. polymorpha, A. Hamilton, Monogr. 38, in part. — Dry ground, 

 New England to Florida and Texas. 



