22 DIANDRIA.— MONOGYNIA. 



row and entire at the base ; calyx shorter than the 

 seed, spineless. 

 HAB. Shady, wet places. Aug. If. Stem 1 — 1^ ft. ; 

 nearly simple, with obtuse angles ; leaves coarsely ser- 

 rate, purplish beneath. 

 3. L. uniflorus : plant small ; root tuberous ; stem sim- 

 ple ; leaves oval, obtuse, obsoletely toothed ; axils 

 1 -flowered. 



II AB. Aug. If.. Root tuberous ; stolans leafy ; stem 



2 — 3 in. ; leaves petiolate. 



17. CUNILA. Labial. 



C. mariana : leaves ovate, sessile, serrate ; corymbs 



axillary and terminal ; dichotomous. 

 IIAB. On hills. Aug. — Sept. V. Leav. oppos.. punctate ; 



cor. pink : stam. exserted. 



18. HEDEOMA. Wild Pennyroyal. Labiate. 



II. pulegioides : leaves oblong, remotely serrate: 

 peduncles axillary, numerous. 



HAB. Dry hills and woods. July — Aug. {•). Plant aro- 

 matic ; fl. subverticillate t pale blue. 



19 MONARDA. 



* Calyx nearly eqi^al. 



1. M. didyma : leaves ovate, acuminate, subcordate. 

 somewhat hairy ; flowers in simple or proliferous 

 heads ; exterior bracts large, coloured, lanceolate. 

 HAB. River banks. July — Aug. 11. Stem quadrang. 

 somewhat pubescent ; flowers large, scarlet. 

 jS. angustifolia : leaves ovate-lanceolate, acuminate, 

 and with the stem, pubescent. 

 IIAB. Boggy woods. July. If. Stem more slender; heads 

 rarely proliferous ; leaves of en attenuate at the base. 

 ?. M. oblongata : pubescent; heads simple; exterior 

 bracts ovate ; calyx short, with the throat bearded, 

 teeth divaricate ; stem obtuse-angled, hairy above ; 

 leaves oblong-lanceolate, rounded at the base. 

 HAB. Rocky situations. July. If. Stem 2 — 3 ft. much 

 branched ; flowers flesh-colour ; bracts coloured. 

 3. M. clinopodia : smooth; heads small, simple, termi- 

 nal ; exterior bracts broad-ovate, acute, entire, 

 almost smooth ; calyx short, ciliate ; corolla pubes- 



