360 119. Lycopus. 32. LABIATiE. PL ex. cor. 
Lycopus palustris glaber, Ilaii Syn. 236, 1. 
Marrubiuro aquaticum, 6 rer. em. 700, 1. 
Marrubiurn aquaticum vulgare, Park. 1230. 
Lycopus europseus, Lin . S. P. 30. 
Lycopus vulgaris, Pers. Syn. 24. 
Lycopus riparius, Salisb. Prod. 72. 
Water horehound. 
Bank-sides by water ; perennial; July to September. 
Stem upright; leaves petioled; calyx downy; corolla 
whitish purple; lower lobes spotted on the inside, sometimes 
with 2 filaments, which rarely have barren anthers . — Root 
astringent; juice strains the flesh brown, gives a durable 
stain to linen, woollen, and silk ; and dyes a black with 
green vitriol. 
0. incisus. Leaves deeply divided, nearly pinnatifid. 
II. 120, MENTHA. Theophrastus. Mint. 
Calyx 5-cut, irregular, not 2-lipped ; inside bald or 
slightly hairy; corolla little longer than the calyx, 4-lobed ; 
lobes nearly equal; upper lobe nicked; stamens 4, didyna- 
mous, diverging. — Rhizoma creeping; herb odoriferous. 
a. Calyx entirely hirsute. 
1. Mentha sylvestris. Wild mint. 
Leaves heartshape, lanceolate, unequally toothed, serrate ; 
tomentose beneath ; racemes terminal, oblong; bractece awl- 
shape; calyx villous; hairs longer than the breadth of the 
segments; stamens exserted. 
Mentha spicata q. Menthastrum spicatum folio longipre capdicante 
J. Bauhini, Raii Syn. 234,5. 
Mentha sylvestris, Lin. S. P. 804. 
Mentha spicata longifolia, Lin. S. P. ed. 1,576. 
Mentha sylvestris a, Huds. FI. Angl.2h0. 
Mentha longifolia, Huds. FI. Angl. ed. 1,221, 
Mentha villosa 1, Sole Month. Brit. 3. 
Mentha tomentosa, Stokes Boi. M a M. 312. 
Mentha candicans, Miller Diet. 
Horse mint. 
Damp rubbish and road-sides; peren.; Aug. and Septem. 
Stem tomentose ; hairs deflexed ; upper leaves lanceolate, 
pointed ; racemes compounded of whirls, many-flowered ; 
peduncles hairy; hairs closely deflected; bractece the length 
of the flowers. — Aromatic. 
