Ordbr 89.— LABIATiE. 668 



S Flowers large (7 to 13" long), racemed at top of the stem, with bracts, (a) 



a Bracts ovate, abrapt at base. Lips of the corolla short Nos, 1, 2 



a Bracts laDcc-obloog, acute at base. Leaves notched, petiulate. (b) 



b Galea of tho corolla longer than the lower p Nos. 3, 4 



b Galea of the corolla not longer than the lip Nos, 6, 6 



a Bracts leaf-like, longer than the caly.v. Leaves entire, subsii^-iiie No. 7 



§ Flowers large or small, opposite, solitary, in tlie axils of the leaver Nos. 8—10 



§ Flowers small (3" long), in slender, axillary, one-sided racemes No. 11 



1 S. versicolor Nutt. Erect, branching, glandular-hirsuto ; Ivs. petiolate, broadly 

 ovate, crenate, cordate, pubescent, veiny, the floral sessile, troad-ovate, not cordate, 

 entire, as long as tho .calyx ; rac. simple or branched, long, many-flowered ; fls. 

 opposite ; cal. hirsuto ; cor. lower lip scarcely longer than the upper. — Prairies and 

 open woods, Ohio to Mo. and La. St. 18' to 3 to 4f liigli. Lvs. very veiny, thin, 

 2 to i' by 18" to 3', petioles nearly as long. Rac. 3 to 6' long. Ped. shorter 

 than calyx. Cor. 6 to 7" long, blue above, lateral lobes little shorter than tho 

 lips. Jl. (S. cordifolia Muhl.) 



2 S. BaxStilis Eiddell. Weak, branched, ascending, pubescent; lvs. potiolate, 

 cordate-ovate, coarsely cronato, ujiper oval, obtuse, floral ovate, short-petiolate, 

 entire ; rac. loose, elongated ; cor. lower lip twice longer than the upper. — Rocky 

 banks, S. Ohio to Va and Tenn., along the Mts. Plant 1 to 2f long, rac. 5 to 8'. 



■Lvs. usually thin and rugous, 1' to 18'' long, scarcely longer than the petioles. 

 Cor. 8" long, blue, tube pale. Jl. Aug. (S. rug6sa, 2d Ed.l | 



p. CR-iSSlFoLi.i.. Lvs. mostly ovate, of finner texture. — ^Xew Orleans (Hale). 

 Cal. more enlarged in fruit. 



3 S. can^scens Nutt. St. erect, tall, pubescent; lvs. petiolate, oblong-ovate or 

 mate, rounded or attenuate at base, minutely pubescent both sides, paler beneath, 

 margin crenate, apex acute, the lower cordate ; rac. terminal and axillary, pedun- 

 culate, paniculate, bracts lance-linear ; fls. canescent ; upper lip the longer, tvtie grad- 

 ually enlarged. — Dry grounds. Hid. and "W. States, abundant. St. usually purple, 

 1 to 3f high. Lvs. 2 to 3' long, 1 to 2' wide, often with a purple margin and pur- 

 plish spots. Cor. 10'' long, tube white, lips blue, lateral lobes very short. Jn., Jl. 



4 S. villosa Ell. 7 SU viUous-pubescent, slender, branching; lvs. lameolaie or 

 lance-ovate, aouto at each end, sparingly hispid above, tho petioles and veins 

 beneath villous:, deeply serrate; rac. paniculate, loose; cal. hispid; cor. tube 

 slender, expandinij only at the throat, galea large, inflated, strongly incurved, mam/ 

 times longer than the lip. — Ga. (Feay). Apparently 2 to 3f high. Lvs. 1 to 2' 

 long. We have but a single specimen. 



5 S. serrata Andr. Erect, subsimplo, nearly glabrous; lvs. petiolate, ovate, 

 acuminate, crenate-serrate, cuneaie at base, tho floral lance-oblong ; rac. subsimple, 

 fls. large, pubescent (not hoary) lips of equal length. — ^Woods, 111. and S. States. 

 St. 2 to 3f high. Lvs. green both sides, or often purplish. Rac. few-flowered. 

 Cor. more than 1' in length, tho lip as long or a little longer than the galea. Jl. 



6 S.'^pilosa llx. St. erect, mostly simple, hirsute-pubescent ; lvs. pubescent) 

 rhomboid-ovate or oval, obtuse, cronate-serrate, petiolate, in remote pairs; i^. 

 terminal, I'ather short, bracts elliptio-ovate ; lips of the cor. large, the lower a little 

 longer. — Open woodlands, Penn. to Ga. St. 1 to 2f high, purplish. Lvs. few, 1 

 to 2i' by 8 to 18", more or less acute at base and obtuse at apex; narrowed to 

 the petiole. Rao. generally simple and few-flowered, with opposite, elliptical 

 bracts. Pedicels and caL hairy. Cor. tuba nearly white below, blue at the sum- 

 mit, 9" long, the later fls. shorter. Jn. — Aug. (S. ovalifolia Bart.) 



7 S. integrifolia L. Erect, nearly simple, densely pubescent ; lvs. ovate-lanceo- 

 late, and linear-lanceolate, tapering to tho base, subacute, entire, subsessile, the 

 lower ovate; rac. loo.se, leafy; bracts lanceolate, fls. large. — y Mid. andS. States, 

 dry soils. St. 9' to 2f high, with large blue fls. in terminal racemes. The lvs. 

 (I to 2' long), vary in breadth and margm, the lowest being sometimes ovate and 

 crenato. Cor. blue and white, slender at base, enlarged above, 8 to 9" long. 

 Jn., Jl. (S. hyssopifolia Pera. S. Caroliniana Ph.) — The plant is intensely bitter. 



8 S. nervosa Ph. Slender, erect, subsimple, stoloniferous ; lvs. broad-ovate, acii- 

 cordate, crenate-serrate, sessile, glabrous, 3 — 5-veined, lower roundish-ovate, 

 upper ovate and lance-ovate, slightly petioled; fls. axillary, solitary. — Rooky 

 shades, along streams, Penn. to 111. and La. Roots creeping, often sending out 

 long, filiform stolons. Stem 8 — 15' high, weak. Leaves 2 — 15" by 5 — 12". the 



