HEDEOMA PULEGIOIDES. 
PENNYROYAL. 
Germ. Poleyblattrige Cunile. (Willd.) 
Hepeoma Pulegioides. Sp. Pl. i. p. 593. Sub. Melissa Palegioides, Sp. Pl. ii. p. 30. 
Gron. Virg. 167. Kalm. it. ii. p. 314. Houttuyn. Lin. Pfl. Syst. v. p. 136. 
Willd. Sp. Pl. i. p. 123. Pursh, Fl. Am. Sep. ii. p. 414. Mich. Fl. Am. Boreal. 
i. p. 13. Muhl. Cat. Pl. Am. Sep. 2d. ed. p. 5. Bart. Prod. Fl. Ph. 15 and 63. 
Comp. Fl. Ph.i. p. 13. Big. Floru. Bost.7. Elliot, Sketch. i. p. 27. Nutt. 
Gen. Am. PI. i. p, 16. 
HEDEOMA. 
Persoon Synopsis, ii. p. 151. 
Nat. Syst. Juss. Labiatae. 
Nat. Ord. Lin. Labiatae. 
Artific. Syst. Lin. Classis Diandria. Ordo Monogynia. 
Cal. basi gibbus. Cor. ringens. Stam. 2-sterilia. 
HxpeEoma pulegioides ; pubescens, foliis oblongis serratis, pedunculis axillaribus ver- 
ticillatis, calicis labio inferiore bisetso setis ciliatis. Pers. and Pursh. 
Pubescent; leaves oblong, serrate; peduncles axillary and verticillate ; the 
lower lip of the calix biseted ; the bristles ciliated. B. 
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