328 
LABIAT2B. (MINT FAMILY.) 
ed above. A narrow-leaved form is S. hyssopifolia, L.—Open copses, 
S. New York, Penn., and southward. July. — About as tall as the 
last, with larger and deeper-colored flowers. 
* * Flowers (blue or violet, short-peduncled) solitary in the axils of 
floral leaves which are quite similar to the lower ones. 
7. S. nervosa, Pursh. Smooth, simple or branched, slender; 
lowest leaves petioled, roundish ; the middle ones ovate, toothed, some¬ 
what heart-shaped, sessile; the upper floral ovate-lanceolate, entire; 
flowers small; the corolla about twice the length of the calyx. (S. 
gracilis, Nutt.) — Moist thickets, New York and Pennsylvania to 
Ohio. June. —Plant 10'-15' high : the leaves about V long, thin : 
the nerve-like veins prominent underneath. 
8. S. parvula, Michx. Minutely downy, dwarf (3' -6' high), 
branched and spreading; lowest leaves round-ovate, short-petioled; the 
others sessile, ovate or lanceolate-ovate, obtuse, all entire or nearly so 
and slightly heart-shaped ; floicers very small, the corolla little dilated 
above, scarcely twice the length of the calyx. (S. ambigua, Nutt.) 
Dry banks, W. Vermont and Connecticut to Wisconsin. May - 
June. — Leaves ^ long. 
9. S. galerfculata, L. Smooth or a little downy, mostly 
branching ; leaves all similar , ovate-lanceolate, acute , serrate, roundis 
and slightly heart-shaped at the base, very slightly petioled; corolla 
large (§'-1' long), much longer]than the calyx, greatly enlarged above, 
the upper lip rather shorter than the lower.—Wet shady places, 
common, especially northward. Aug. — Plant 1° - 2P high. 
* * * Flowers (blue) in axillary, and often also in terminal, racemes, 
the lower floral leaves like the others, the upper small and bract-like. 
10. S. lateriflora, L. Smooth ; stem upright, much branc * 
ed; leaves lanceolate-ovate or ovate-oblong, pointed, coarsely serrate, 
rounded at the base, petioled, the upper floral scarcely longer than t e 
calyx ; flowers small, l-sided. —Wet shaded places, common. 
— St em 1° -2* high ; leaves 2'- 3' long. Corolla long, not dilated 
above, the upper lip scarcely arched. — A quack having former y 
vaunted its virtues as a remedy for hydrophobia, this species bears the 
name of Mad-dog Skullcap. 
22* S Y3YA.NDRA, Nutt. Synandra. 
Calyx bell-shaped, inflated, membranaceous, irregularly ^ein}< 
almost equally 4-toothed! Corolla with a long tube, much ex¬ 
panded above and at the throat; the upper lip slightly arched, en¬ 
tire ; the lower spreading and 3-cleft, with ovate lobes, the mid¬ 
dle one broadest and notched at the end. Stamens 4, ascending • 
filaments hairy : anthers approximate in pairs under the upp e 
lip; the upper pair each with one fertile and one smaller sterile 
