ORDER 89. LABIAT^E. 653 



| Flowers largo (t to 13'' lone), racemed at top of the stem, with bracts, (a) 



a Bracts "ovate, abrupt at hose. Lips or the corolla short Nos. 1, 2 



a Bracts lance-oblong, acute at base. Leaves notched, petiolate. (b) 



b Gal.-a of this corolla longer than the lower p Nos. 3, 4 



b Galea of the corolla not longer than the lip Nos. 5. 6 



a Cruets leaf-like, longer than the calyx. Leaves entire, subsessile No. 7 



I Flowers hirsc or small, opposite, Solitary, in the axils of the leaves Nos. 8 10 



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



1 3. versicolor Xutt. Erect, branching, glandular-hirsute ; Ivs. petiolate, broadly 

 ovate, crcnato, cordate, pubescent, veiny, the floral sessile, broad-ovate, not cordate, 

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

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

 open wood*, Ohio to Mo. and La. St. 18' to 3 to 4f high. Lvs. very veiny, thin, 

 2 to 4' by 18" to 3', petioles nearly as long. Rac. 3 to G' long. Fed. shorter 

 than calyx. Cor. G to 7" long, bluo above, lateral lobes little shorter than the 

 lips. Jl". (3. cordifolia MuhL) 



2 S. saxitilis Riddell. Weak, branched, ascending, pubescent; Ivs. petiolate, 

 cordate-ovate, coarsely crenate, upper oval, obtuse, floral ovate, short-petiolate, 

 entire ; rac. loos?, elongated ; cor. loioer Up twice longer tlian the upper. Rocky 

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

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

 Cor. 8" long, blue, tube pale. Jl. Aug. (S. rugosa, 2d Ed.) 



13. CRASSIFOLIA. Lvs. mostly ovate, of firmer texture. New Orleans (Hale). 

 Cal. more enlarged in fruit. 



3 S. canescens Nutt. St. erect, tall, pubescent; Ivs. petiolate, oblong-ovate or 

 ovate, 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, tube grad- 

 ually enlarged. Dry grounds, Mid. 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. Ju., Jl. 



4 S. villosa Ell.? St. villous-pubescent, slender, branching; Ivs. lanceolate or 

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

 beneath villous, deeply serrate; rac. paniculate, lo:>so; cal. hispid; cor. tube 

 slender, expanding only at the throat, gaka large, inflated, strongly incurved, many 

 times longer than the lip. G-a. (Feay). Apparently 2 to 3f high. Lvs. 1 to 2' 

 long. Wo have but a single specimen. 



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

 acuminate, crenate-serrate, cuneate at base, the floral lance-oblong; rac. sub.sirnple, 

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

 St. 2 to 3f high. Lvs. green both side?, 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 MX. St. erect, mostly simple, hirsute-pubescent ; Ivs. pubescent, 

 rhomboid-ovals or oval, obtuse, crenate-serrate, petiolate, in remote pairs; rac. 

 terminal, rather short, bracts clliptic-ovato ; lips of the cor. large, the lower a little 

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

 to 2^' by 8 to 18", more or less acuto at baso and obtuso at apex; narrowed to 

 the petiole. Rac. generally simple and few-llowereJ, with opposite, elliptical 

 bracts. Pedicels and cal. hairy. Cor. tube nearly white be?ow, blue at tho sum- 

 mit, 9'' long, tho later fls. shorter. Jn. Aug. (S. ovalifolia Bart.) 



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

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

 lower ovate; rac. IODSC, leafy; bracts lanceolate, JK large. U Mid. and S. States, 

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

 (1 to 2' long), vary in breadtii and margin, the lowest being sometimes ovato and 

 crenate. Cor. blue and white, slender at base, enlarged above, 8 to 9'' long. 

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



8 S. nervosa Ph. Slender, erect, subsimple, stoloniferous ; Ivs. broad-ovate, sob- 

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

 upper ovate and lance-ovate, slightly petioled; fid. axillary, solitary. Rocky 

 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", tho 



