."WiS LAUIAT.K. (mint FAMILY.) 



liiti'ial lobi's truncate ; aiitlicrs hairy. — Cultivated fjronml and waste places, 

 ooniniun. May. (^ — JSteni."* 4- 12' liigli. Curolia small, jmrple, often im- 

 perfeitly <levelii|iud. 



27. MARRUBIUM, L. IIukkiioini.. 



t'alyx tuliular, f) - It) nerved, nearly ei|ually 5 - 10 tuntlied ; the teeth spiny, 

 mostly spreading in fruit. Condla-tuiie includetl in the ealyx, 2-lipi)ed ; the 

 uj»l)cr lip oreet ; the lower a-lohed, with the middle lobe largest. Stamens 4, 

 included : anther cells diverging. Lolies of the style short, obtuse. Nutlets 

 obtu.se at the apex. — ("hielly tomentose or woolly perennial herbs, with 

 rngusi- leaves, and axillary whorls. 



1- M. VUlgare, L. Wo(dly; stums iirancliing at the ba-se, ascending; 

 leaves petioleil, ovate or roundish, creuate, the floral ones smaller, but longer 

 than the capitate many-Howered whorls; calyx teeth 10, recurved-spreading ; 

 corolla small, white. — Waste ground and roadsides. Introduced. — Stems 

 l°-2°high. 



28. LEONOTIS, K. Budwn. 



Calyx tubular, 10-nerved, incurved, unequally 8 - J 0-toothed ; the teeth 

 straight, sjiiny, the up])er one largest. Corolla slender, 2-lipped ; the upper 

 lip long, arching, entire, the lower very short, 3-cleft, spreading. Stamens 4, 

 ascending under the upper lip : anther cells diverging. Nutlets 3-angled, 

 truncate. — Tall herbs, with very large globose whorls in the axils of the 

 upper leaves. Flowers yellow or scarlet. 



1. L. nepetaefolia, H- Hr. Annual; .stem tomentose, simple or 

 branched ; leaves remote, long-petioled, broadly ovate, crenate, the floral 

 ones lanceolate ; whorls 1 to several ; calyx 8-toothed ; corolla villous, scarlet. 

 — \Va.ste grounds, Georgia and Florida. June -August. Introduced. — 

 Stem l°-6° high. Whorls l'-2' in diameter. Corolla 1' long. 



29. LEONURUS, L. Motherwort. 



Calyx top-shaped, 5-nerved, .5-toothed, the teeth spiny and at length spread- 

 ing. Corolla 2-lipped ; the upjier lip entire, the lower spreading, .3-lobed, with 

 the middle lobe obcurdate. Stamens 4, ascending : anther cells parallel, naked. 

 Nutlets 3-angled, truncate. — Herbs, with incisely lobed leaves; the floral ones 

 longer than the dense whorls. Bracts subulate. 



1. L. Cardiaca, L. Stem (2°-4'' high) .square, pubescent; leaves long- 

 petioled, the luwer ones round-cordate, i)almately lobed and toothed; the 

 floral wedge shaped, 3-cleft towanl the apex ; whorls distant, 6 - 1 .5-flowered ; 

 corolla villous, purplish, spotted with brown in the throat. — Waste places. 

 Introduced. June - July. 



30. STACHYS, L. Hedge Nettle. 



Calyx tubular boll-.shaped, 5- or 10-nerved, .5-toothed ; the teeth equal, or 

 the upper one larger, more or less spine-pointed (in our species), spreading in 

 fruit. Corolla hairy within, 2-lipped ; the upper lip erect, the lower spread- 

 ing, 3-lobed, with the middle lobe much larger. Stamens 4, ascending : an- 



