38 LABIATH. (MINT FAMILY.) 
Connective longer than the filament itself, which it strides, a narrow anther- 
cell at its upper end, a smaller one or a long process at the lower........ Salvia. 8 
Connective much shorter than the slender filament and continuous or barely 
articulated with its apex, or apparently none; anther 1-celled, no rudi- 
ment of the second cell below......... 0.02 c cece cece eens eee eeee Audibertia. 9 
Tribe 3. Stacnyprs. Stamens 4, with anthers, ascending and parallel under the 
concave or galeate upper lip of the corolla, Calyx 5-10-nerved. Herbage less aromatic 
than the preceding tribes. 
Calyx with a projection on the upper side, casque-shaped ............ Scutellaria. 10 
Calyx bilabiate. Filaments 2-forked, one fork bearing the anther....... Brunella. il 
Calyx 5-10-nerved, nearly equally 5-toothed.......... 0.00 ces ee seen ees Stachys. 12 
Tribe 4. AzsuaorEs. Stamens parallel, and protruding from the cleft on the upper 
side of the corolla; the anterior longer. 
Corolla with 5 similar oblong lobes............. ee eee eee eee es .....drichostema, 13 
1 MENTHA, L. Mrmr. 
Calyx about equally 5-toothed. Corolla with a short included tube, and a campanulate 
border; the upper lobe broadest, entire or emarginate. Odorous herbs, with very small 
flowers in dense clusters forming an apparent whorl in the axils or spikate at the tops of 
the branches. 
1. M. Canadensis, L. Leaves from oblong-ovate to almost lanceolate, sharply ser- 
rate, acute, short-petioled; flowers all in axillary clusters, whitish or purplish. 
2. LYCOPUS, Tourn. Water Horexounn. 
Chiefly distinguished from Mentha by the stamens. Flowers white, in false whorla. 
1, L. lucidus, Turcz., var. Americanus, Gr. The subterranean runners producing 
subers; leaves lanceolate, 2 to 4 inches long, coarsely serrate, sessile or nearly so. 
3. PYCNANTHEMUM, Michx.. 
Corolla short, with tube hardly exceeding the calyx. Anther-cells close and parallel. 
Perennial erect herbs with small flowers. 
1. P. Californicum, Torr. About 2 feet high, corymbosely branched, sweet-odor- 
ous, whitened with soft pubescence, or in age smoothish: leaves from ovate to ovate-lan- 
ceolate, closely sessile by a slightly cordate’or roundish base, sparingly denticulate or 
entire; heads of Aowers very dense at the summit, white-villous; flowers whitish. 
4. MONARDELLA, Benth. 
Marked by the flowers compacted in terminal heads involucrate with bracts, flesh-color 
or purpic. 
