PI ex. cor. 32. LABIATE. 120. Mentha. 365 



9. Mentha rubra. Red mint. 



Stem upright, flexuous, bald; leaves ovate, petioled, 

 inciso-serrated ; j?o^er5 in whirls; whirls peduncled ; pe- 

 duncles and calyx quite bald ; teeth of the calyx hirsute. 



Mentha verticillata, Raii Syn. 232, 4, 

 Mentha sativa rubra, Ger. em. 680, 1. 

 Mentha crispa, Park. 31. 

 Mentha rubra, Smith I'r. Lin. Soc. 5, 205. 

 Mentha sativa, Sole Ment/i. Br. 47,«4. ^y 



Edges of rivers ; perennial ; September. 



Stem G feet high, slightly branched, bald ; leaves dark 

 green, shining; upper small and roundish ; bractece linear;" 

 pedicells shining ; flowers rather large, bald. 



^. crispa. Leaves crisped. 



Mentlia crispa verticillata folio rotundiore, Raii Syn. 232, 4.* 



y. praieiisis. Stem branched at the top, changing from, 

 pale green to dark brown ; leaves harsh, wrinkled, hairy, 

 deeply serrated, hanging down close to the stem. 



Mentha pratensis, Sole Menih. Br. 39, 17. 



10. Mentha odorata. Siveetscented mint. 



Leaves petioled, heartshape, rather blunt, serrated, both 

 sides naked; pedicells and calyx quite hoid', flowers capitate; 

 head quite blunt. 



Mentha rubra, Miller Diet. 



Mentha odorata. Sole Menth. Brit. 21, 9. 



Bergamot mint. 



Watery places; perennial; July and August. 



Herb quite bald, reddish ; stem upright, much branched ; 

 spikes terminal, very short, dense; lower whirl remote, 

 slightly peduncled ; bractecB bristlelike ; calyx slender, fur- 

 rowed ; tube and teeth entirely bald ; stamens included ; 

 odour like oranges. 



11. Mentha piperita. Pepper mint. 



Spike blunt, interrupted below; leaves petioled, rather 

 ovate, nearly bald; calyx quite bald at the base; stamens 

 enclosed. 



Mentha plperafa, ITuds. Fl. Jngl. 251. 



Mentha piperata officinalis, Sole Menih. Br. 15, T. 



Mentha officinalis, Hull. Br. Fl. 227. 



Watery places ; pcreimial ; August and September. 



Stem 2 feet high, much branched ; hairs recurved ; leaves 

 ovate, lanceolate, acute, serrated, dark green, pale beneath ; 

 spike solitary, long; lower whirl very remote, peduncled ; 



