PL ex. cor . 
32. LABIATE. 120. Mentha. 
363 
Q. exigua. Flowers in whirls, very small ; odour very 
fragrant. 
Mentha (verticillata) aquatica exigua, Dillen in Raii Syn. 232, 2. 
5. Mentha acutifolia. Sharpleaved mint. 
Leaves ovate, lanceolate, pointed at both ends, unequally 
serrate ; flowers 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 ; whirls nearly equal, many- 
flowered; Iractece 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 ; flowers in whirls ; calyx bellshape, hirsute in 
every part ; hairs horizontal. 
Mentha aquatica, Raii Syn. ed. 1, 78. 
Mentha (verticillata) sen calamintha aquatica, Raii Syn. 232, 1. 
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; whirls 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 flowers 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. 
gentiiis. Leaves short, broad, round; stamens enclosed; 
odour like basil. 
Mentha verticillata arvensis folio rotundiore, odore aromatico. Raii Syn. 
?32, 3. 
Mentha gentiiis, Miller , Diet. « 
e. agrestis. Stem upright ; leaves very broad, nearly heart- 
shape ; veins very strong, parallel ; stamens enclosed. 
Mentha agrestis, Sole Menth. Br. 33, 14. 
