24 DIANDRIA. MONOGYNIA. hedeoma. 



H. pulegioides P crs.: leaves oblong, remotely serrate ; 

 peduncles axillary, numerous. P e r 5. 1. c. p. 23 1 . Pursk 

 /'Z. 11. p. 414. Elliott Sk. I. ip. 28. JVwf /. 1. c. p. 16. 

 CuNiLA pulegioides L, sp. pi. ed. 2, p. 50. JVilld. Spec. 

 I. p. 122. Mich. Fl.]. p. 13, B ig, Bost. ip. 7, Bart. 

 Vcg. Mat. Med. t. 41. Ziziphora pulegioides Roem. ^' 

 Sc/iult. I. p. 209. Melissa floribus verticillatis, &c. 

 G r on. virg. 167. 



Root fibrous, annual. Stem from a span to a foot in height, ob- 

 tusely quadrangular, pubescent, branched above. Leaves 

 narrowed into a petiole, sparingly toothed, about an inch 

 long, punctate. Flowers on short peduncles, 4 — 6 in each 

 whoii. Ca^yj; distinct, gibbous below, hispid, 10-striate; seg- 

 ments of the upper lip lanceolate, very acute ; those of the 

 lower lip subulate, strongly ciliate; throat slightly villous. 

 Corolla pale blue, about as long as the calyx. Stamens hardly 

 exserted. Stigma a little bifid. Seeds oblong, smooth. Smell 

 powerful, resembling that of Mentha fiulegium. 

 Hab. On dry hills and in open barren woods. July — August. 



Wild Pennyroyal. 

 The genus Hedeoma was, with much propriety, separated 

 from CuNiLA by P er s on. The present species was re- 

 ferred to the latter genus by Michati x, with a mark of 

 doubt. 



19. MONARDA. L. 



Calyx 5-toothed, tubular. Corolla ringent ; upper 

 lip linear, involving the filaments; lower lip reflected, 

 3-lobed. Gtn. pi 48. Nu 1 1. Gen. I. p. 48. Ju s s. 

 p. 111. Roejn. y Schult. Gen. 94. Latn, III. 

 1. 19. Nat. Ord. Labiate Juss. Mountain Balm. 



1. M. didijma L.: leaves ovate, acuminate, subcordate, 

 somewhat hairy ; flowers in simple or proliferous heads ; ex- 

 terior bracts large, coloured, lanceolate. Willd. Enum. 

 Hon. Btrol. I. p. 33. Spec. 1. p. 125. Pursh Fl. I. p. 16. 

 Rocm. 4- Schult. 1. p. 213. Bol. Mag. t, 546. Mrcoc- 

 cinea Mich. Fl. 1. p. IC. M. purpurea Lam. III. IV. 

 p. 256. M. caule acutangulo, capitulis terminalibus, &;c. 

 Cold, ^'^oveh. No. 7. 



Root perennial. Stem about a foot and a half high, quadrangular, 

 with the sides concave, hairy about the joints. Leaves oppo- 

 site, on hairy petioles, a little rugose, broad-ovate, more or less 

 cordate at the base ; serratures mucronate. Bracts large and 

 purple, the interior ones gradually diminishing in breadth. 

 Calyj: striate, slightly curved, somewhat pubescent, with acute 

 teeth. Corolla large, scarlet, pubescent ; tube narrowed belovr: 



