352 LABIATE. Mentha. 



Syme, t. 1022. — Road-sides, &c., Pennsylvania, Porter. Also a seeming liybrid between it 

 and M. viridis. (Nat. from Eu.) 



^m' Var. ALOPEOURofDES, Baker. Intermediate between the above and tlie next species : 

 leaves larger, more nearly sessile, broadly oval and obtuse, often subcordate, coarsely and 

 sharply serrate, more veiny, but not rugose : spikes usually thicker ; bracts broader. — 

 Baker" in Seem. Jour. Bot. iii. 238 ; Hook. f. Fl. Brit. Isl. 279. jl/. alopecuroides, Hull, ex 

 Smith ; Engl. Bot. ed. Syme, t. 1021. M. rolmdifoKa, Sole, Menth. Brit. t. 4, not L. — 

 Penn. and New Jersey, Porter, Parker, Leggett. (Nat. from Eu.) 



' M. kotundif6li-\, L. Tomentose-canescent : stem strict: leaves from broadly elliptical to 

 roundish-subcordate, sessile, rugose, rather finely serrate : spikes slender, not canes'cent. — 

 Reichenb. lo. Germ. t. 1282 ; Engl. Bot. ed. Syme, t. 1020. M. sijlvesiris, Sole, 1. c. t. 3, not 

 L. — Atlantic States, at a few stations, Maine to Texas : rare. (Nat. from Eu.) 



•M. vfRiDis, L. (Spearmint.) Glabrous or nearly so: leaves oblong-lanceolate or oblong, 

 sparsely and sharply serrate : bracts linear-lanceolate and subulate, conspicuous. — Wet 

 ground, in cultivated districts. (Nat. from Eu.) 



-H- -H- Less capitate glomerules in interrupted leafless spikes, or some in the axils of upper leaves ; 

 flowers distinctly pedicellate : leaves distinctly petioled : stems less erect. 



• M. PIPERITA, L. (Peppermint.) Glabrous, or in one variety somewhat hairy, very pun- 

 gent-tasted : leaves ov,ate-oblong to oblong-lanceolate, acute, sharply serrate : spikes nar- 

 row, of numerous glomerules. — Along brooks, escaped from cult. (Nat. from Eu.) 



^ M. aquAtica, L. Soft-pubeseent or glabrate, the stem with reflexed hairs : leaves ovate, 

 roundish, or subcordate : spikes oblong and interrupted or capitate, thick : calyx and 

 usually the pedicels hairy. — i[. citratu, Ehrh. ; Engl. Bot. ed. Syme, t. 1029 (Bergamot 



"»Mint), a more glabrous and sweet-odorous variety. — Wet places. New England to Penn- 

 sylvania, &c. ; rare. (Nat. from Eu.) 



■^^ Var. CRispA, Benth. A glabrous or glabrate form, with lacerate-dentate and crisped 

 leaves. — M. crispa, L. ; Engl. Bot. ed. Syme, t. 1028. — Wet ditches. New Jersey, &e. (Nat. 

 from Eu.) 



•i— H^ Inflorescence axillary, in dense verticillastrate glomerules, on stems leafy to the top: leaves 

 more or less petioled, ovate or oblong-ovate, pubescent or glabrate. 

 M. ARVENSis, L. Leaves obtusely serrate: calyx-teeth deltoid, acute or obtuse, about one- 

 third the length of the campanulate tube : otherwise same as forms of the next, which 

 passes into it. — Engl. Bot. ed. Syme, t. 1038. — New England, &c., at a few stations. (Nat. 

 from Eu.) 



' M. SATivA, L. Taller, generally more pubescent, the stem with reflexed soft hairs : leaves 

 sharply serrate : calyx-teeth triangular-subulate, lialf the lengtli of the cylindraceous 

 tube, commonly hairy. — Engl. Bot. ed. Syme, t. 1031, 10.32. il/. geniilis. Smith in Linn. 

 Trans, v. 208, & Engl. Bot. t. 2118, a glabrate variety with only calyx-teeth hairy, and 

 these longer. — Waste damp places, Mass. to Penn. ; uncommon. (Nat. from Eu.) 



* * Indigenous : inflorescence a.Killary, consisting of distant sessile verticillastrate glomerules 

 in the axils of leaves, as in the preceding species, the uppermost axils floweriess. 



M. Canadsnsis, L. Stem often simple : leaves varying from oblong-ovate to oblong- 

 lanceolate, sharply serrate, acute, generally tapering into the petiole : calyx hairy ; the 

 short teeth triangular-subulate. — Spec. it. 577. — Wet places, througli the Northern U. S. 

 from Atlantic to Pacific, and Canada and Saskatchewan to New Mexico and California. 

 Villous-hairy, with Pennyroyal odor : passes into 



Var. glabrata, Benth., with leaves and stem almost glabrous, the former sometimes 

 very short-petioled, and a sweeter scent, as of Monarda. — M. boreulis, Michx. Fl. ii. 2. — 

 Similar range. 



10. L'^COPUS, Tourn. Watek Horeiiound, Bugle-weed, Gipsy- 

 wort. {Jvxog, wolf, Trots', foot, wolfs-foot.) — rerennials, of wet or low ground 

 (northern temperate and Australian), Mint-like, but bitter and only slightly 

 aromatic ; with sharply toothed or lobed leaves, and small white or whitish flowers 

 in their axils, in sessile capitate-vertioillastrate glomerules, the uppermost axils 

 floweriess. Fl. summer. — Gray, Proc. xim. Acad. viii. 285. 



