822 LAitiATyK. (mint family.; 



2. N. Glechoma, Bmth. Stem prostrate or orccjiini:, piilipscpiit ; leaves 

 round-conlate, obtuse, serrate, petiolcd ; wliorls in nearly all the axils, few- 

 flowered ; lorolla blue. — Low shady plaecs, near dwellings. Inuoduoid. — 

 Stem 4'- 12' long. Leaves \' - V long. Anthers forming u cross. 



18. CEDRONELLA, Moeneh. 



Calyx bell-shaped, nearly equally 5-toothed ; the month oblique. Corolla 

 dilated at the throat, 2-lippcd ; the upper lip straight, 2-cleff, tlie lower 3-clcft, 

 with the middle lobe largest. Stamens 4, ascending, the npi>cr pair longest: 

 anther-cells parallel. Kutlets smooth. — Flowers in a terminal spike or raceme. 



1. C. eordata, Bcnth. Stem low, pubescent, bearing long runners ; leaves 

 long-pctioled, cordate, crenate, smoothish ; the floral ones ovate; raceme few- 

 fiowcrcd, 1-sidcd ; cymes 1-3-flowered; calyx and pale-bine corolla large. 

 (Dracoeephalum cordatum, iVuK.) — Shady banks, on the monntains of North 

 Carolina. May and June. — Stem ^° higii, creeping at the base. Leaves 1' 

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



ID. BRUNELLA, Tourn. Self-heat.. 



Calyx tulnilar-bell-shapcd, 10-nervcd, flat above, 2-lippcd ; upper lip broad, 

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

 throat, 2-lippcd; the upper lip roundish, arching, entire, the lower 3-lol)cd, 

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

 smooth filament prolonged above the anther : anther-cells sjircading. — Herbs, 

 with G-flowered densely-sjiiked whorls. Floral leaves orbicular, imbricated, 

 persistent. 



1. B. vulgaris, L. Pubescent or smoothish; stem erect, mostly simple; 

 leaves ovate or oMong, sen-ate, petioled ; spikes oblong or cylindrical ; flowers 

 purple. — Low grounds, Florida, and northward. Introduc-cd. — Stem 6' -12* 

 high. Spikes thick, lateral and terminal. 



20. SCUTELLARIA, L. SKii.i.cAr. 



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

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

 maturity, the lower persistent. Corolla-tubo recurved-ascending, diluted at tho 

 throat, 2-liiti)cd ; tlic upper lip arching, entire or notched, with the small lateral 

 lobes united witli its sides, tho lowest lobe large and spreading. Stamens 4, 

 ascending: anthers ciliate, approximate by pairs, those on the shorter filamonts 

 1-cellcd, on tho longer ones 2-c,elled, cordate. — Perennial Inostly inodorous 

 herbs. Flowers o;iposite, solitary, in the axils of the ujiper, mostly brait-liko 

 leaves, rarely in lateral racemes. Corolla blue or white. 



* Flowers in terminal racemes. 



t- Jj-aris roriliilr, oiiilc or ohlomj, eremite, petiolcd ; the Jloral onrx sliorirr than tht 



Jlowirs, entire. 



1. S. versicolor, Nutt. Softly j)ubcscent ; stem siouf, branched above; 

 leaves large, long ptiioled, all broadly cordate, rugose and reticulate; tho floral 



