106 LABIATAE, Vou. III. 
Minutely and densely glandular-pubescent, resiniferous. 9. S. Brittonii. 
Densely cinerous-pubescent, pale. to. S. Bushii. 
Glabrous or merely slightly puberulent. 
Leaves ovate, slender-petioled, cordate, obtuse. 11. S. sarxatilis. 
Leaves lanceolate or ovate-lanceolate, nearly sessile, acute. 12. S. galericulata. 
** Nutlets membranous-winged, elevated on the slender gynobase;’ flowers axillary. 
13. S. nervosa. 
1. Scutellaria lateriflora L. Mad-dogor Blue 
Skullcap. Fig. 3575. 
Scutellaria lateriflora L. Sp. Pl. 598. 1753. 
Perennial by slender stolons, glabrous throughout 
or puberulent above; stem slender, leafy, erect or 
ascending, commonly branched, 4’-23° high. Leaves 
ovate, ovate-oblong or ovate-lanceolate, thin, slender- 
petioled, acute or acuminate at the apex, coarsely 
dentate-serrate, obtuse, rounded or subcordate at the 
base, 1-3’ long, the upper gradually smaller, the 
uppermost sometimes entire; racemes narrow, se- 
cund, axillary or often also terminal and leafy- 
bracted, several-many-flowered; flowers 3-5” long; 
calyx short; corolla blue, varying to nearly white, 
its lips about equal, one-fifth as long as the tube; 
nutlets borne on a very short gynobase. 
In wet places, Newfoundland to Ontario and British 
Columbia, Florida, Mississippi, New Mexico and Ore- 
gon. July-Sept. Blue pimpernel. Side-flowering scull- 
cap. Madweed. Hoodwort. 
2. Scutellaria serrata Andr. Showy Skull- 
cap. Fig. 3576. 
Scutellaria serrata Andr. Bot. Rep. pl. 494. 18009. 
S. laevigata Aiken; Eaton, Man. Ed. 6, 333. 1833. 
Perennial, glabrous, or puberulent above; stem 
slender, erect, simple or branched, 1°-2° high. Leaves 
ovate or elliptic, slender-petioled, acute at the apex, 
narrowed, or the lowest rounded or subcordate at 
the base, crenate or dentate, 2’-4’ long, the upper- 
most reduced to small floral bracts; racemes almost 
always simple and terminal, loosely flowered, the 
flowers opposite; fruiting calyx about 3” long; co- 
rolla 1’ long, blue, minutely puberulent, its tube nar- 
row, gradually expanded above into the throat, its | 
rather narrow upper lip a little shorter than the 
lower; nutlets borne on a short gynobase. 
In woods, southern New York and Pennsylvania to 
South Carolina, Illinois, Kentucky and Tennessee. One 
of the handsomest of the American species. Ascends to 
3000 ft. in Virginia. May-June. 
3. Scutellaria incana Muhl. Downy Skull- 
cap. Fig. 3577. 
Scutellaria incana Muhl. Cat. 56. 1813. 
Scutellaria canescens Nutt. Gen. 2: 38. 1818, 
Perennial, finely and densely whitish downy, or 
the upper surfaces of the leaves glabrous; stem 
rather strict, erect, usually much branched above, 
2°-4° high. Leaves ovate, oval, or oblong, rather 
firm, slender-petioled, acute at the apex, crenate- 
dentate, narrowed, rounded or the lower subcordate 
at the base, 3’-4#’ long; racemes terminal, usually 
numerous and _ panicled, several-many-flowered; 
fruiting calyx 14-2’ long; corolla 9-10” long, ca- 
nescent; upper lip of the corolla slightly longer 
than the lower; gynobase very short. 
Tr moist woods and thickets, Ontario to Michigan, 
Kansas, Georgia, Florida and Alabama. June-Aug. 
