322 LAUIAT.E. (.MINT FAMILY.) 



2. N. Glechoma, Bemh. Stem prostrate or creeping, pubescent ; leavei 

 roand-cordate, obtose, serrate, petioled ; whorls in nearly all the ixils, few- 

 flowered; corolla blue. — Low shady plaees, near dwellings. Introduced. — 

 Stem 4'- 12' long. Leaves \' - 1' long. Anthers forming a cross. 



18. CEDRONELLA, Mcench. 



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, 1-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 i° high, creeping at the base. Leaves 1' 

 long. Corolla 1^' long. Plant pleasant-scented. 



19. BRUNELLA, Tourn. Sei.f-heau 



Calyx tubular-l>cll-shaped, 10-nerved, flat above, 2-lipped ; upper lip broad, 

 truncated, 3-toothcd, the lower 2-cleft. Corolla-tube slightly inflated under the 

 throat, 2-lipped; the upper lip roundish, arching, entire, the lower 8-lobed, 

 with the middle lobe rounded, concave, crenate. Stamens 4, exscrted, the 

 smooth filament prolonged ahovc 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, sen-ate, petioled ; spikes oblong or cylindrical ; flowers 

 purple. — Low grounds, Florida, and northward. Introduced. — Stem 6'- 12' 

 high. Spikes thick, lateral and terminal. 



20. SCUTELLARIA, L. Skillcap. 



Calyx bell-shaped, 2-lipped, entire and closed after flowering; the upper lip 

 furnished with a helmet-shaped appendage on the hack, and falling away at 

 maturity, the lower persistent Corolla-tube recurved-ascending, dilated at the 

 throat, 'J lipped • the upper lip arching, entire or notched, with the small lateral 

 lobes united with it-- sides, the lowest lobe large and spreading. Stamens 4, 

 ascending : anthers ciliate, approximate by pairs, those on the Bhorter filaments 

 |-celled, on the longer ones S-celled, cordate. — Perennial mostly inodorous 

 herbs. Blowers opposite, solitary, in the axils of the upper, mostly bract-like 



rarely in lateral racemes. Corolla hlue or white. 



* Flowers in terminal racemes. 

 I ■ or oblong, crenate, petioled , the- floral ones shorter than t/ie 



flow rt, entire. 

 l. S. versicolor, Nutt Softly pubescent, stem gtout, branched ah 

 large, long-petioled, all broad 1) cordate] rugose and reticulate; the flora] 



