LADIAT^. 278 MICROMERIA. 



C. Canade'ks[s. 



Z,ctt?)r;5 ovate, acuminate, coarsely serrate, petiolate, glabrous ; teeth of the 

 calyx subulate, shorter than the tube ; racemes paniculate, terminal. A tall 

 herb witli large, yellow leaves. Stein 4-sided, 3 — 4-feet high, smooth or a 

 little pube-sucnt. Leaves thin, C — b inches long and 3 — 4 wide. Flowers in 

 a large, compound raceme ; with opposite branches and pedicels. Corolla 

 greenisli yellow, the lower lip elongated and fringed. Style and stamens 

 very long. Flowering in summer. Woods and fields. Per. Horse Balm. 



17. CUNI'LA. 

 Calyx 10 nerved, equally S-tooihecJ, throat densely villose, 

 upper lip of corolla flat, einarginate ; stamens 2, erect, exsert- 

 ed, distant. 



Gr. jwi/tXi), the ancient Roman name for pennyroyal. Cal. tubular, cylin- 

 drical. Cor. bilabiate, lower lip spreading, 3-lobed, the middle lobe often the 

 largest and emarginate. Anth. 2-celIed ; cells parallel or at length divergent 

 at base . 



C. Maria'na. 



Leaves ovate, serrate, subsessile ; cymes pedunculate, corymbose, axillary 

 and terminal. Grows on rocks and in dry woods, M. Y. Stem 4-angled, 

 mostly purple, branching, smoothish, 1 — 2 feet high. Leaves small, nearly 

 smooth, roundish or subcordate at base, tapering to a point and punctate with 

 pellucid dots. Flowers with subulate bracts at the base of the 3-forked 

 pedicels. Caly.x punctate. Corolla nearly twice as long as the calyx, pubes- 

 cent, pale red. Stamens and style much e.xserted, of the same hue as the 

 corolla. The herb is delightfully fragrant, and used in febrifugal infusions. 

 July — Sept. Per. Dittany. 



TiuBE 5. MELISSINEiE. 



Gilyx bilabiate ; corolla bilabiate : upper lip straight, lower lip sprear/ing, deft into SJlat lobes, of 

 ivkick the middle one is often broadest. Stamens 4, sometimes 2, ascending. 



18. HEDEO'MA. 



Calyx gibbous beneath at base. 13-nervcd, throat hairy; 

 upper lip of coiolla erect, flat, lower lip spreading, 3-lobed ; 

 stamens 2, feilile, ascending. 



Gr. lo^fia, sweet or agreeable, oa-fx^-i), smell; on account of the fragrance. 

 Cal. ovoid, bilabiate, upper lip 3-tootlied, lower lip bifid, about as large as the 

 corolla. Anth. 2-celled ; cells diverging. 



H. pulegioi'des. 



Leaves oblong, few-toothed ; flowers axillary, whorled. A small, strong- 

 scented herb, held in high repute in the domestic materia vicdica. Stem 

 erect, branching, half a foot high. Leaves opposite with 1—2 teeth each 

 side, on very short petioles, smooth on the upper surface, roughish beneath. 

 Calyx ciliate, 2 lower divisions spined. Abundant in dry pastures, and 

 flowers ill summer. Ann. Pennyroyal. 



10. MICROME'RIA. 

 Calyx 13 (rarely 15)-nerved, 5-toothed, nearly equal; co- 

 rolla sub-bilabiate, tube exserlod, upper lip bitidly emarginate, 

 lower subcqualty 3-lobed ; stamens ascending, the upper j'air 

 shorter. 



