5!). LABIAT.E. 
‘-M-1 
Cor. glabrous. 'U^lorls of the spike rather distant. L. glandu- 
lar below. — crispa (Bcnth.). — In marshy jdaees, rare. Glen 
Barg, Perthshire. Hooker. P. VIII. Spear Mint. 
4. M. pratensis (Sole); I. nearly sessile ov,ate-lanceolate aeute 
Semite, Jtoral 1. similar the smaller ones longer than the whorls, 
whorls distant subglobose, ])edicels glabrous, cal. bellshaped : 
teeth hairy. — Sole\". IM.gentilis. Sole 15. E. B.449. M. graeilis 
Sm . — St. and 1. usually glabrous. L. jialer beneath, glandular. 
Cal. glandular. — Marsh}' places, rare. P. VIII. IX. E. 
5. M. piperita (L.) ; 1. stalked ovate-lanceolate or oblong ser- 
rated, i\pper 1. smaller, bracts lanceolate, spikes lax short obtuse 
interrupted beloiv, cal. tubular glabrous below with lanceolate 
subulate teeth. — E. B. 68/. — St. and 1. nearly glabrous or hairy 
on the nerves beneath. Cal. glandular. — /3. sylvestris (Sole) ; 
1. ovate rounded and almost hcartshaped below, spikes elongated. 
Sole 24 . — Wet places, rare. P. VII. VIII. Pepper Mint. 
6. M. aquatica (L.) ; 1. stalked ovate seiTate 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 w’et places. 
P VII. VIII. Capitate Mint. 
7. M. sativa (L.); 1. stalked ovate or elliptical serrate, upper 
ones similar but smaller all longer than the whorls, w'horls all 
distant dense, cal. tubular or bellshaped ; teeth triangular-lan- 
ceolate acuminate. — Inflorescence whorled, indeterminate. Upper- 
most leaves often barren. — a. vulgaris-, cal. and pedicels hail-}'. 
M. sativa Sm., E. B. 448. — /3. rubra ; pe{hcels and lower part of 
the calyx glabrous, st. slightly branched redchsh, whole plant 
nearly glabrous. M. rubra Sm., E.B. 1413. — -y. gentilis-, pedi- 
cels ami lower jiart of the cal. glabrous : teeth shorter triangular, 
whole plant nearly glabrous, st. much branched green, 1. all of 
nearly the same size. M. gentilis Sm. The characters of this va- 
riety' closely aj)proach M. arvensis. — 8. ? acutifolia ; pedicels and 
cal. hairy all over, 1. ovate-lanceolatetaj)ering at each end. M. acuti- 
folia Sm., E. B. 2415. It is probable that this plant is correctly 
referred here. A sj)ecimen from near Settle, Yorkshire (Mr. S. H. 
Ilaslam ), only differs from Smith’s j)lant by having glabrous pedi- 
cels. — Var. a, ji, and y are closely connected by intermediate 
forms. — Wet j)laces. 8. Banks of the Medway, but not fountl 
for many years. P. VII. VIII. Whorled hairy Mint. 
8. M. arvensis (L.) ; 1. stalked ovate or elliptical serrate. 
