272 LAB I AT,*: 



2. M. viridis Linn. : stem erect, smooth ; leaves ovate-lanceolate, nearly 

 sessile, unequally serrate, smoothish ; flowers in verticillate slender spikes ; 

 bracts and teeth of the calyx somewhat hairy. M. tennis Mich. 



Marshy places. N. Y. to Geor. July, Aug. ^.Stem 12 feet high, 

 branched. Spikes numerous, terminal, forming a kind of panicle. Flowers in 

 distant whorls, pale purple. Introduced from Europe. Spearmint. 



** Flowers in axillary whorls. 



3. M. Canadensis Linn. : stem ascending, pubescent ; leaves lanceolate 

 or oval-lanceolate, petiolate, serrate, acute at each end ; whorls many- 

 flowered, remote ; stamens exserted. M. borealis Mich. 



Moist grounds. Hudson's- Bay to Virg. W. to Miss. JulySept %.. Plant 

 of a grayish-green color. Stem 12 18 inches high, ascending or decumbent, 

 simple or branched. Leaves hairy, especially beneath. Flowers in dense ax- 

 illary whorls, pale purple. Canadian Mint. 



II. MONARDE^:. Corolla Z-lipped* Stamens 2, fertile, (rarely 4,) 

 ascending. Anthers linear and confluent at the summit or halved, the 

 cells separated by a long linear connective, which is transversely articu- 

 lated to tie top of tlie filament. 



4. SAL VIA. Linn. Sage. 



(From the Latin salvo, to save or heal ; in allusion to its supposed healing 

 properties.) 



Calyx subcampanulate, 2-lipped ; upper lip mostly 3-toothed ; 

 lower bifid, the throat naked. Corolla 2-lipped ; upper lip 

 erect, straight or falcate and vaulted. Stamens 2. Anthers 

 dimidiate. 



1. S. lyrata Linn. : stem nearly leafless, retrosely pubescent ; radical 

 leaves lyrate-toothed, hispid on both sides; cauline oblong-lanceolate; up- 

 pormost oblong-linear ; upper lip of the corolla very short. 



Woods. Penn. to Geor. June. If-. Stem about a foot high, densely cov- 

 ered with reflexed hairs. Leaves mostly radical, more or less lyrate or pinnati- 

 fid, very obtuse. Flowers purple, about 6 in a whorl. Lyre-leaved Sage. 



2. iS. Claytoni Ell. : leaves cordate-ovate, sinuate-toothed, rugose ; teeth 

 of the upper lip of the calyx connivent. S. xcrbenacea Muhl. 



Woods. Penn. to Car. Muhl. June Oct. 1. Stem erect, 8 12 inches 

 high. Flowers in whorls, violet. A doubtful species. Clayton's Sage. 



3. S. V/rticafoti* Linn.: viscous and villous; leaves ovate, rhomboid, 

 petioled, somewhat acute, crenate ; floral ones broad-ovate ; whorls many- 

 flowered, distant ; calyx 3-cleft, upper segment 3-toothed. 



Rocky grounds. N. J. to Car. June. 7].. Leaves very pubescent. Flowers 

 blue, viscous, in remote whorls. Nettle-leaved Sage. 



5. MONARDA. Linn. Monarda. 

 (In honor of Nicholas Monardez, a Spanish botanist.) 



Calyx tubular, elongated, 15-nerved, nearly equal, 5-toothed. 

 Corolla ringent, with a long cylindric tube ; upper lip linear, 



