J°l.ex.cor. 32. LABIATE. 120. Mentha. 365 



6. exigua. Flowers in whirls, very small ; odour very 

 fragrant. 



Mentha (verticillata) aquatica exigua, Dilkn in Rail Sijn. 232, 2. 



5. Mevtha acutifoUa. Sharpleaved mint. 

 Leaves ovate, lanceolate, pointed at both ends, unequally 



serrate ; j^oo^er^ in whirls; whirls sessile; calyx covered 

 with hairs; pedicells hairy; hairs horizontal; stamens shorter 

 than the corolla. 



Mentha verticillata, Miller Diet. 

 Mentha acutifolia. Smith T. L. S. 5, 203. 



Edges of fields ; perennial; September. 



Stem nearly simple; hairs deflexed; petioles short; leaves 

 not serrated at top and bottom; luhirls nearly equal, many- 

 flowered; bractecB linear; calyx tubular; hairs ascending; 

 mouth of the corolla hairy. 



6. Mentha arvensis. Field mint. 

 Stem very branched ; leaves in whirls, ovate or elliptical, 



rather blunt ; Jloivers in whii'ls ; calyx bellshape, hirsute in 

 every part ; hairs horizontal. 



Mentha aquatica, Rail Syn. ed. 1, 7S. 



Mentha (verticillata) seu calamintha aquatica, Rati Syn. 232, I. 



Calamintha aquatica, Ger. em. 684,2. 



Mentha arvensis, Lin. S. P. 806. 



Water calamint. 



Inundated sandy meadows ; perenn. ; June to September. 



Stem very diffuse; leaves petioled; ivliirls many-flowered, 

 nearly sessile ; Iractece lanceolate ; pedicells bald at bottom, 

 very hairy at the tip; calyx short; corolla hairy within; 

 stamens exserted. 



/3. major. Leaves broad ; whirls and jiowers large ; sta- 

 mens exserted ; odour grateful. 



Mentha arvensis major. Sole Menth. Br. 29. y, 



y. prcEcox. Stem erect; leaves recurved, elliptical ; flower- 

 ing early; corolla slightly hairy on the outside; stamens 

 enclosed. 



Mentha praecox, Sole Menth. Br. 31, 13. 



^. gentilis. Leaves short, broad, round; stamens enclosed; 



odour like basil. 



Mentha verticillata arvensis folio rotundiore, odore aroniatlco, Rati Syn. 

 232, 3. 



Mentha gentilis, Miller, Diet. 



£. agrestis. Stem upright; leaves very broad, nearly heart- 

 shape ; veins very strong, parallel ; stamens enclosed. 

 Mentha agrestis, Sole Menth. Br. 33, 14. 



