250 laeiat.t:. 



1. I. cjeruleus, Michx. False Pcnnyroyd. 



Viscid hairy; katrs oblong-lanceolate, strongly 3- nerved. 



A branching leafy hero with the aspect of the pennyroyel. Qnrifally banks, 

 common. July. Aug. Plant about a fi.ot high. Stem round, slender. Z<- i 



i-nch Ion-.'. ;mJ ' _{ as wide. PJ-w.Tjmimc^us. blue with included etanaens. The 

 whole plant when rubbed, emits a balsamic odor. 



2. MENTHA, Linn. Mint. 



Mintha or minthe, an ancient Greek term. 



Calyx bell-shaped or tubular, 5-toothed, equal or nearly 

 so. Corolla with a short included tube, the border bcil- 

 Bhaped, nearly equally 4-cleft, ibe upper tube broadest, entire 

 or notched at the ape:?. Stamens 4, equal, erect, distant. 

 AdHENIA smooth. — Aromatic herbs, with opposite lea vet, and 

 small pale .purple or whitish f Lowers mostly in close clusters, form- 

 ing axillary capitate whorls, sometimes approximi led in interrupted 

 spike*' 



* Nearly smooth; naturalized. Perennials. 



1* M. yiridis, L. Spearmint. 



Leaves nearly sessile. o-rate-laneoo!ate, unequally serrate ; fivxtrs in approxi- 

 mate loose panicled spikes ; calyx somewhat hairy. 



Low grounds: perfectly naturalized. July. Aug. Sk-m 1 to 2 feet high, branched, 

 4-angled. Spiles somewhat panicled, long, composed of distinct cymes, apparently 

 whorled. a lit Lie remote from each other. Corolla pale purple. fityZemtteh exserted. 



:2, f/L piperita, L. Peppermint. 



Leaves smooth, petioled. ovat?-oblong, acute, serrate; whorls of flowers crowded 

 in short obtuse spikes, interrupted at the base ; calyx-teeth hairy. 



Low grounds and along brocks: common; Aw.-. Steth 1 to 2 feet high, arising 

 ftom underground running shoot-, branched, often purplish. Leaves dark gree*. . 

 sharply serrate, rounded at llu> base, Flowers pale purple. Medicinal. Native of 

 Europe. 



3. M. ARYENSIS, L. Corn Mini. 



Ascending, pubescent; leaves petioled, ovate or oblong, serrate ;fl&wers in'gkl r.ge 

 remote whorls; calyx most'iy hairy. 



Fields and hedgerows; common. July. Stem stout often erect, about 1 fcot 

 high. Leaves varying to oblong or ovat*. -lanceolate, sometimas ncarlj - 

 2 inches long, ami J-fc'fcs wide. Ftowsfs small, numerous; pale purple. Sttmt t 

 exserted. The plant- when-bruised emits the odor of decayed oheuec Kative of 

 Lai-ope. 



** Truly indlrjeneus species. ffefeftiriafe 



4. M. Canadensis, L. Wild Mint. Canadian Mint. 



.T.vm low, spreading, whitish-hairy; leaves petioled, oblong, lanceolate or oval- 

 laticeolate, serrate; flowers numerous, in globular axillary whorls; calyx hairy ; 

 stamens exserted. 



Moist grounds and «hady places; eommon. July — Sept. Plant grayith-grecn, 

 ^vith the odor of IVnuvroycl, 1 to 2 feet high. Leaves hairy, especially beneath, 

 tapering to both cuds. I'lvuxrs pale-pur^lo. 



