Genus 36. 



MINT FAMILY 



6. Mentha alopecuroides Hull Woolly Mint. 

 Fig- 3685- 



Mentha alopecuroides Hull. Brit. Fl. 221. 1799. 



Perennial by suckers, white-woolly; stem stout, 

 leafy, erect or ascending, simple or branched, li-3 

 high. Leaves broadly oval, sessile, or partly clasping 

 by a subcordate or rarely rounded base, obtuse at the 

 apex, sharply and rather coarsely serrate, pinnately- 

 veined, the lower 2-3' long, 1 2-2' wide ; spikes rather 

 thick, dense, stout, obtuse, 2-3' long in fruit; bracts 

 lanceolate, shorter than the flowers ; calyx-teeth seta- 

 ceous, one-half as long as the campanulate tube, or 

 more; corolla pubescent. 



Along roadsides, Connecticut to New Jersey, Pennsyl- 

 vania, Wisconsin and Missouri. Naturalized from 

 Europe. July-Oct. , 



7. Mentha aquatica L. Water Mint. Fish 

 Mint. Fig. 3686. 



Mentha aquatica L. Sp. PI. 576. 1753- 



Perennial by suckers, hirsute or pubescent, rarely 

 glabrate ; stem stout, erect, leafy, usually branched, 

 ii-2i high, its hairs reflexed. Leaves broadly 

 ovate, petioled, acute, subacute or the lower obtuse 

 at the apex, rounded, subcordate or rarely narrowed 

 at the base, sharply serrate, the larger 1Y-3 long 

 and nearly as wide; whorls of flowers in terminal 

 dense short thick rounded spikes, and usually also 

 in the upper axils; spikes seldom more than 1' long 

 in fruit; bracts lanceolate, shorter than the flowers; 

 calyx hirsute, its teeth lanceolate-subulate or tri- 

 angular-lanceolate, one-third to one-half as long as 

 the nearly cylindric tube ; corolla sparingly pubescent. 



In wet places, Nova Scotia to Pennsylvania and 

 Georgia. Naturalized from Europe. Aug.-Oct. 



8. Mentha crispa L. Crisped-leaved, 

 Curled or Cross Mint. Fig. 3687. 



Mentha crispa L. Sp. PI. 5"6- 1753- 



Mentha aquatica var. crispa Benth. Lab. Gen. & 



Sp. 177- 1833. 



Sparingly pilose-pubescent at least at the 

 nodes, petioles and veins of the lower surfaces 

 of the leaves; stem rather weak, usually much 

 branched, li-3 long. Leaves distinctly peti- 

 oled, or the uppermost sessile, ovate in out- 

 line, mostly acute at the apex, rounded, trun- 

 cate or subcordate at the base, their margins 

 crisped, wavy and incised, or the uppermost 

 merely sharply serrate; whorls of flowers in 

 dense thick rounded terminal spikes, which 

 become l'-li' long in fruit: calyx sparingly 

 pubescent or glabrous, its teeth subulate, more 

 than one-half as long as the campanulate tube; 

 corolla glabrous. 



In swamps and roadside ditches, Connecticut 

 to New Jersey and Pennsylvania. Balm-mint. 

 Aug.-Oct. 



