GENUS 29. 



MINT FAMILY. 



139 



Clinopodium Calamintha (L.) Kuntze, the cala- 

 mint of the Old World, with larger leaves and flow- 

 ers, admitted into our first edition, is not known in 

 the wild state within our area. 



3. Clinopodium Acinos (L.) Kuntze. 

 Basil-thyme. Basil Balm. Fig. 3654. 



Thymus Acinos L. Sp. PI. 591. 1753. 

 Melissa Acinos Benth. Lab. Gen. & Sp. 389. 1834. 

 Cal. Acinos Benth. in DC. Prodr. 12: 230. 1848. 

 Clin. Acinos Kuntze, Rev. Gen. PI. 513. 1891. 



Annual, pubescent; stems branched from the 

 base, very slender, 6'-8' high. Leaves oblong 

 or ovate-oblong, petioled, acutish at both ends 

 or the lower obtuse, crenulate or entire, 4"-8" 

 long ; flowers about 6 in the axils, the clusters 

 sessile ; bracts shorter than the pedicels ; calyx 

 gibbous on the lower side, rough-hairy, longer 

 than its pedicel, contracted at the throat, its subu- 

 late teeth somewhat unequal in length; corolla 

 purplish, i-2 times as long as the calyx. 



In waste places, Ontario to Massachusetts and 

 New Jersey. Adventive or naturalized from Europe. 

 Mother-of-thyme. Polly mountain. May-Aug. 



4. Clinopodium glabrum (Nutt.) Kuntze. 

 Low Calamint or Bed's-foot. Fig. 3655. 



Hedeoma glabra Nutt. Gen. i : 16. 1818. 



Cal. Nuttallii Benth. in DC. Prodr. 12 : 230. 1848. 



Calamintha glabella var. Nuttallii A. Gray, Man. 



Ed. 2, 307. 1856. 

 Clin. glabrum Kuntze, Rev. Gen. PI. 515. 1891. 



Perennial, glabrous, stoloniferous; stem very 

 slender, at length much branched, erect or as- 

 cending, 4'-i2' high. Leaves of the flowering 

 branches linear, entire, very short-petioled or 

 sessile, mostly obtuse at the apex, obscurely 

 veined, 4"-o/ long, i"-i" wide, the margins 

 slightly revolute ; lower leaves and those of the 

 stolons shorter and broader, distinctly petioled ; 

 flowers 1-4 in the axils; bracts minute; pedicels 

 filiform, mostly longer than the calyx ; calyx not 

 gibbous, its throat pubescent in a ring within, 

 its lower teeth somewhat longer than the upper; 

 corolla purple, about 4" long. 



On rocks and banks, Ontario to western New 

 York, Illinois, Minnesota, Missouri, Arkansas and 

 Texas. May-Aug. 



5. Clinopodium glabellum (Michx.) 

 Kuntze. Slender Calamint or Bed's- 

 foot. Fig. 3656. 



Cunila glabella Michx. Fl. Bor. Am. i : 13. 1803. 

 Calamintha glabella Benth. in DC. Prodr. 12 : 230. 



Clin. glabellum Kuntze. Rev. Gen. PI. 515. 1891. 



Perennial, stoloniferous, glabrous; stems 

 weak, spreading or decumbent, at length freely 

 branched, elongated, slender, 8'-2 long. Leaves 

 membranous, oblong, short-petioled, obtuse or 

 the uppermost subacute at the apex, narrowed 

 to a cuneate base, distinctly serrate with low 

 teeth, i'-2' long, 2"-8" wide, the lowest and 

 those of the stolons sometimes proportionately 

 broader and shorter; axils 2-5-flowered ; pedi- 

 cels filiform, commonly twice as long as the 

 calyx ; bracts minute ; calyx not gibbous, its 

 throat pubescent in a ring within, its teeth 

 nearly equal ; corolla purplish, 6"~7" long. 



On river banks, Indiana to Kentucky, Tennes- 

 see and Arkansas. May-July. 



