S64 120. Mentha. 32. LABIATE. PI ex. cor. 



b. Calyx laid at the lase. 



7. Mentha gracilis. Slender mint. 



Stem upright, very much branched ; leaves lanceolate, 



acute, serrated, nearly sessile; flowers in whix'ls; peduncles 



and base of the calyx quite bald. 



Mentha (verticillata) fusca sive vulgaris, Rati Syn. 232, 5| Park. 31. 

 Mentha rubra, Huds. Fl. Angl. 252. 

 Mentha gentilis, Engl. Bot. 449. 

 Mentha gracilis, Sole Merdh. Brit. 37, 16. 

 Red mint. 



Watery places and damp fields ; perennial ; August. 



Stem rough-sided, much branched in the middle; leaves 

 light green, botli sides slightly hirsute; whirls nearly sessile; 

 hractecB lanceolate; ca/?/a; tubulai', bellshaped, purple; apex 

 and teeth hirsute ; stamens enclosed ; odoitr like that of 

 m. viridis. 



0. cardiaca. Stem upright, nearly smooth, dark brown ; 

 leaves smooth, long, narrow, deep green ; lower leaves with 

 short peduncles; upper sessile; ocioz^?- like basil. 



Mentha cardiaca, Ger. em. 680, 4. 

 Mentha gentilis, Sole Menth, Brit. 35, 15. 

 Heart mint. Heart wort. 



8. Mentha gentilis. Elegant mint. 



Stem very much branched, spreading; leaves ovate, blunt, 

 serrated; Jiowers in whirls; pedicell and hase of the calyx 

 bald. 



Mentha gentilis, Lin. S. P. 805. 

 Mentha rubra, Sole Menth. Brit. 41, |8, 



Watery places and ruins; perennial; August. 



Stem upright, 12 inches high, rough; branches long; 

 leaves petioled, light green, rather hirsute on both sides ; 

 whirls nearly sessile; bractecB lanceolate; calyx hairy above; 

 stamens enclosed. 



^. riualis. Stem 3 feet high, rough ; leaves long, nearly 

 elliptical. 



Mentha nivalis a, Sole Menth. Brit. 41,*&. ^ 



y. variegata. Leaves variegated witli yellow and white ; 

 whirls sessile, rarely pedicelled; pedicells rarely slightly 

 hairy ; hairs deflexed. ^ 



Mentha variegata, Sole Menth. Brit. 43, 19. 



