Scutellaria. LABIATE. 379 



Var. arglita. Pilose-pubescent : thin leaves narrower, acutish, more deeply crenate- 

 dentate. X. im/nta, Buckley in Am. Jour. Sci. xlv. 175; Chapin. Fl. 323. <S\ saxatilis, 

 var. ? pilosior, Benth. 1. c., at least in part. S. Chamccdrys, Shuttleworth in Ind. Sem. Lips., 

 on char. Mountains of Carolina and Georgia. 



t -t Cauline leaves crenate-dentate or serrate, only the lowest if any cordate at base, more or 

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

 nected with it. 



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

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

 leaves (3 to 5 pairs) coarsely and sharply serrate, acute or acuminate, mn.-tly acute at base, 2 to 4 

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



S. montana, Chapm. Soft-pubescent : leaves oblong-ovate or the lowest stibcordate : 

 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. 404 ; Benth. in DC. 1. c. 422. Woods, Penn. to Illinois and N. Carolina. 

 H- -5-t- 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, Cliapm., glabrate and minutely punctate beneath. Georgia and 

 Florida, Chapman. 

 H- -H- 4-1- Corolla half inch long, nearly glabrous: raceme simple and terminal, or also from the 



axils of one or two pairs of leaves. 



S. pilosa, MicllX. 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 spatutate. Fl. ii. 11 ; Benth. I.e. S. Carol iniana, Walt. Car. 103? S. elliptica, 

 Muhl. Cat. 1 S. poli/inorjiliii, 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, S/iort. 



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

 less veiny leaves. S. oralifolia, Pers. Syn. ii. 130. New Jersey to Virginia. 

 S. VILLUSA, 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- Cauline leaves entire (except in the first species), obtuse, narrowed at ha<e : racemes 

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

 lips. 

 H- These much shorter than the downwardly attenuate tubular portion : puboceiice wholly soft 



or cinereous. 



S. integrifolia, L. Manifestly pubescent or puberulent : steins 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. Ityssojnfolia, L. Spec. ii. 50!), the latter a narrow-leaved form. S. Carolunana, 

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

 New England to Florida and Texas. 



