LAlilAT.E. (mint FAMILY.) 407 



1. C. Canadensis, L. (Hich-weed. Stone-root.) Nearly smooth 

 (1-3° higli); leaves .serrate, pointed, petioled (3-6' long); panicle loose; 

 corolla 8-9" long, lemon-scented ; stamens 2. — liich moist woodw, N. Bruns- 

 wick to Wise, south to Fla. and Mo. July - Sept. 



6. PERILLA, L. 



Calyx ns in Cttlliiisonia. C'orolla-tuhe included, tlic linil) .')-(loft ; lower lobe 

 a little larger. Stamens 4, included, erect, di.stant. — Coar.se anjmatic annual, 

 with small Howers in pauicled and axillary racemes. (A Greek and Latin 

 prujier name.) 



P. ocvMoiDES, L, Erect, branching, 2-3° high; leaves ovate, coarsely 

 tootlied ; flowers white. — About dwellings and roaclsides, S. 1\\. (Schneck.) 

 (Adv. from E. Asia.) 



7. MENTHA, Toum. Mint. 



Calyx bell-shaped or tubular, 5-tuutlied, e(jual or nearly so. Corolla witli a 

 short included tube ; the bell-shaped border somewhat erpially 4-cleft ; the upper 

 lobe broadest, entire or notched. Stamens 4, Cfjual, erect, distant. — Odotous 

 perennial herbs; the small flowers mostly in close clusters, forming axillary 

 capitate whorls, sometimes approximated in interrujited sjukes, produced in 

 summer, of two sorts as to the fertility of the stamens in most species. Corolla 

 pale purple or whitish. Species mostly adventive or naturalized from Europe, 

 with many hybrids. (MiV^tj of Theophrastus, from a Nymph of that name, 

 fabled to have been changed into Mint by Proserpine.) 



* Spikes narrow and leajless, densely crowded ; leaves sessile or nearly so. 



M. sylvestris, L. (Horse Mint of Eu.) Finely pubescent or canescent ; 

 leaves ovate-oblonrj to oh/on fj-/anceoJate, acute, sharply serrate, often glabrous 

 above ; spikes rather slender, canescenthj jnibescent. — Koadsides. etc., Tenn. — 

 Var. ALOPECiKOiDEs, Baker. Leaves larger, more nearly sessile, broadly 

 oval and obtuse, often subcordate, coarsely serrate, more veiny, but not rugose; 

 approaching the next. — I'enn. and N. J. 



M. JioTLXDiFOLiA, L. Soft-lidiry or downy; leaves broadly elliptical to 

 round-ovate and somewhat heart shaped, ?»vosc, crenate-toothed ; spikes slen- 

 der, not canescent. — Atlantic States, at a few stations, Maine to Tex. 



M. vfuiDi^;, I... (SrEARMiNT.) Nearly siJiootli : leaves oblony- or ovate-lan- 

 ceolate, wnequaUy serrate; bracts linear-lanceolate and subulate, conspicuous. 



— Wet places ; in all cultivated districts. 



* * Flowers pedicellate, less crowded, in interrupted leajless spikes, e,r snwe in 



the upper axils ; leaves petioled. 



M. PiPEHiTA, L. (Peppermint.) Glabrous (somewhat hairy in var. si hiiik- 

 sf^TA), very pungent-ta.'^ted ; leaves ovate-oblong to oblong-lanceolate, acute, 

 sliarply serrate; s/iikes narrow, loose. — Ah)ng brooks, escaped everywhere. 



M. AQiiTiCA, L. (Water Mint.) Pubescent orsmoothish; leaves ovate 

 or rouiid-ovHte; flowers in a terminal efle>bular or interrupt! d and oblonej head, 

 often with one or more clust(!rs in tiie axils of the ui)per leaves; calyx and 

 usuallv the pedicels liairv. 'IMie common form has the stems hairy downward. 



— Wet places, N. Eng. to Del. ; rare. — \.\x. < ufspA, Henth., is a glabrous or 

 glabrate form, with lacerate-dcntate and crisped leaves. — Ditches, N. J., etc. 



* * * Flowers in globular tchorls or clusters, all in the arils of the leaves, the up- 



permost axils not Jiowtr-bearing ; leaves more or less petioled, toothed. 



M. SATivA, L. (WnoRi.ED MiNT.) Stem hairy downward : leaves ovate, 

 sliarplv serrate; calyx oblong-cylindrical with very slender tetth. — Waste 

 damp places, ALass. to Penn. ; not conunon. Passes into the next. 



