MENTHA. 245 
lar below.—8. crispa (Benth.).—In marshy places, rare. 8. Glen 
Farg, Perthshire. Hooker. P. VIII. Spear Mint. 
4. M. piperita (L.) ; 1. stalked ovate-lanceolate or oblong ser- 
rated, upper l. smaller, bracts lanceolate, spikes lax short obtuse 
interrupted below, cal. tubular glabrous below with lanceolate 
subulate teeth. B. 687.—St. and 1. nearly glabrous or hairy 
on the nerves beneath. Cal. glandular.—f. sylvestris (Sole) ; 
1, ovate rounded and almost heartshaped below, spikes elongated. 
Sole 24.—Wet places, rare. P. VII. VIII. Pepper Mint. 
5. M. aquatica (L.); 1. stalked ovate serrate rounded or 
slightly cordate below, uppermost 1. like bracts and shorter than 
the whorls, whorls few subglobose capitate the uppermost terminal, 
cal. tubular with triangular subulate teeth hairy as well as the 
pedicel. —M. hirsuta Sm., E. B. 447.—Cal. glandular. Inflores- 
cence capitate, determinate. FI. in terminal and axillary stalked 
clusters rather than whorls.—M. citrita Ehrh. M. odorata Sole 9. 
E. B. 1025. is a glabrous variety of this species.—In wet places. 
P. VIL. VIII. 9 Capitate Mint. 
** Throat of cal. naked. Inflorescence indeterminate. FT. in 
axillary, distant whorls ; none amongst the uppermost l., or 
shorter than them. 
6. M. pratensis (Sole); 7. nearly sessile ovate-lanceolate acute 
serrate, floral 1. similar the smaller ones longer than the whorls, 
whorls distant subglobose, pedicels glabrous, cal. belishaped, 
teeth hairy.—Sole 17. M. gentilis Sole 15. E.B. 449. “ Cer- 
tissimé est vera M. gentilis (L.).” Fries. M. gracilis Sm.—St. 
and 1. usually glabrous. L. paler beneath, glandular. Cal. 
glandular.—Marshy places, rare. P. VIII. IX. E. 
7. M. sativa (L.); 1. stalked ovate or elliptical serrate, upper 
ones similar but smaller all longer than the whorls, whorls all 
distant denise, cal. tubular or bellshaped, teeth triangular-lanceo- 
late acuminate.—Uppermost leaves often barren.—e. vulgaris ; 
cal. and pedicels hairy. M. sativa Sm., E. B.448.—8. M. rubra 
(Sm. not Fr.); pedicels and lower part of the calyx glabrous, st. 
slightly branched reddish, whole plant nearly glabrous. E. B. 
1413.—y. M. gentilis (Sm.); pedicels and lower part of the cal. 
glabrous, teeth shorter triangular, whole plant nearly glabrous, 
st. much branched green, 1. all of nearly the same size. The 
characters of this variety closely approach M. arvensis.—6.? M. 
acutifolia (Sm.); pedicels and cal. hairy all over, 1. ovate-lanceo- 
late tapering at each end. E. B. 2415. A specimen from near 
Settle, Yorkshire, only differs from Smith’s plant by having 
glabrous pedicels.—Var. «, 8, and y are closely connected by in- 
termediate forms.—Wet places. 6. Banks of the Medway, but 
not found for many years. P. VII. VIII. Whorled hairy Mint. 
