922 LABIATH. (MINT FAMILY.) 
2. N. Glechoma, Benth. Stem prostrate or creeping, pubescent; leaves 
round-cordate, obtuse, serrate, petioled; whorls in nearly all the axils, few- 
flowered ; corolla blue. — Low shady places, near dwellings. Introduced.— 
Stem 4/-12'long. Leaves }'-1' long. Anthers forming a cross. ? 
18. CEDRONELLA, Monch. "d 
Calyx bell-shaped, nearly equally 5-toothed ; the mouth oblique. Corolla 
dilated at the throat, 2-lipped ; the upper lip straight, 2-cleft, the lower 3-cleft, 
with the middle lobe largest. Stamens 4, ascending, the upper pair longest: 
anther-cells parallel. Nutlets smooth. — Flowers in a terminal spike or raceme. 
1. C. cordata, Benth. Stem low, pubescent, bearing long runners ; leaves 
long-petioled, cordate, crenate, smoothish; the floral ones ovate; raceme few- 
flowered, l-sided; cymes 1~3-flowered ; calyx and pale-blue corolla large. - 
(Dracocephalum cordatum, Nutt.) —Shady banks, on the mountains of North 
Carolina. May and June.— Stem }° high, creeping at the base. Leaves I’ 
long. Corolla 14/ long. Plant pleasant-scented. ed 
19. BRUNELLA, Tourn. SELF-HEAL. 
Calyx tubular-bell-shaped, 10-nerved, flat above, 2-lipped ; upper lip broad, 
truncated, 3-toothed, the lower 2-cleft. Corolla-tube slightly inflated under the 
throat, 2-lipped; the upper lip roundish, arching, entire, the lower 3-lobed, 
with the middle lobe rounded, concave, crenate. Stamens 4, exserted, the 
smooth filament prolonged above the anther: anther-cells spreading. — Herbs, 
with 6-flowered densely-spiked whorls. Floral leaves orbicular, imbricated, 
persistent. 
1. B. vulgaris, L. Pubescent or smoothish ; stem erect, mostly simple; 
leaves ovate or oblong, serrate, petioled ; spikes oblong or cylindrical; flowets 
purple.— Low grounds, Florida, and northward. Introduced. — Stem 6-12 
high. Spikes thick, lateral and terminal. 
20. SCUTELLARIA, L. Sxvrrcar. 
Calyx bell-shaped, 2-lipped, entire and closed after, flowering ; the upper lip 
furnished with a helmet-shaped appendage on the back, and falling away * 
maturity, the lower persistent. — Corolla-tube recurved-ascending, dilated at the 
throat, 2-lipped ; the upper lip arching, entire or notched, with the small 
lobes united with its sides, the lowest lobe large and spreading. Stamens 4, 
_ Ascending : anthers ciliate, approximate by pairs, those on the shorter filaments 
Lcelled, on the longer ones 2-celled, cordate. — Perennial mostly i 
herbs. Flowers opposite, solitary, in the axils of the upper, mostly 
leaves, rarely in lateral racemes. Corolla blue or white. 
i * Flowers in terminal racemes. 
r A 
