LABIATE. 279 



bracts small, subulate ; teeth of the calyx nearly equal ; leaves sessile, 

 ovate-lanceolate, slightly toothed. Prasium purpureum Walt. 



HAB. Mountains. Penn. to Car. June. 2J. Stem a foot high, 



smooth. Flowers purple, variegated on the lower lip. Smaller 



than the preceding . 



17. STACHYS. Linn. 



Calyx 5 -cleft, awned. Upper lip of the cowl vaulted ; 

 lower one3-lobed, with the 2 lateral lobes reflexed. Stamens 

 when old bent downwards. Didynamia. Gymnospermia. 



1. $. hyssopifolia Mich. : scarcely pubescent, slender, erect ; leaves 

 sessile, linear-lanceolate, remotely subdentate ; whorls about 4-flower- 

 ed. S. palustris Walt. 



HAB. Meadows. N. Y. to Car. July. 2J..Stem 612 inches 

 high. Leaves often linear, very finely serrulate. Flowers sessile. 

 Calyx with the teeth almost spinous. Corol a little hairy, pur- 

 ple. This plant has been found a few miles east of this city. 



2. S. aspcra Mich. : stem erect, angles hairy backwards ; leaver 

 subpetiolate, lanceolate, acutely serrate, very smooth ; whorls about 

 6-flowered ; calyx teeth divaricate, spiny. S. arcensis Walt. 



HAB. Fields. Can. to Car. W. to Miss. July. 24!. Stem a 

 foot high, Flowers in whorls, forming a terminal leafy spike, 

 purple. Hedge Nettle. 



3. S. sylvatica Nutt. : leaves shortly petiolate, cordate, ovate, acumi- 

 nate, serrate, hairy ; floral ones nearly linear ; whorls of 6 flowers ; 

 calyx hairy, with 5 acute teeth. 8. hispida Pursh. 



HAB. Woods. Can. to Car. W. to Miss. Aug. Zf. Stem 

 I 2 feet high, erect, hairy. Flowers purple ; lower lip of the 

 corol whitish with dark spots. Fetid. 



18. NEPETA. Linn. 



Calyx arid, straight. Upper lip of the corol notched ; low- 

 er one 3-lobed ; the middle lobe the largest and crenate ; late- 

 ral ones very short, reflexed. Didynamia. Gymnospermia. 



N. cataria Linn. : flowers spiked ; whorls slightly pedunculate ; 

 leaves petioled, cordate, dentate-serrate, pale underneath, covered with 

 soft down ; flowers dotted. 



HAB. Fields and roads sides. N. S. June Sept. 14.. Stem 

 23 feet high, and with the leaves downy and whitish. Flowers 

 white, with a reddish tinge. Introduced. Cat-mint. 



19. GLECHOMA. Linn. 



Calyx 5-cleft, subequal. Upper lip of the corol bifid ; the 

 lower one trifid, with the intermediate lobe emarginate. An- 

 thers approaching each other in pairs and forming a cross. 



Didynamia. Gymnospermia. 



