32G LABIATE. (MINT FAMILY.) 



1. M. VUlgare, L. Woolly; stems branching at the base, ascending; 

 leaves petioled, ovate or roundish, crenate, the floral ones smallei', but longer 

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

 corolla small, white. — Waste ground and road-sides. Introduced. — Stems 

 10-2° high. 



25. LEONOTIS, R. Brown. 



Calyx tubular, 10-nerved, incurved, unequally 8 - 1 0-toothed ; the teeth 

 straight, spiny, the upper one largest. Corolla slender, 2-Iipped ; 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, trun- 

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

 leaves, Flowers yellow or scarlet. 



1. L. nepetsefolia, R. Br. Annual ; stem tomentose, simple or branched ; 

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

 whorls 1- several; calyx 8-toothed; corolla villous, scarlet. — Waste grounds, 

 Georgia and Florida. June -Aug. Introduced. — Stem 1°- 6° high. Whorls 

 1'- 2' in diameter. Corolla 1' long 



26. LEONURUS, L. Motherwort. 



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

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

 the middle lobe obcordate. 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 lower ones round-cordate, palmately lobed and toothed ; the floral 

 ones wedge-shaped, 3-cleft toward the apex ; whorls distant, 6 - 1 5-flowered ; 

 corolla villous, pui-plish, spotted with brown in the throat. — Waste places. 

 Introduced. June - July. 



27. STACHYS, L. Hedge-Nettle. 



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

 upper one larger, more or less spiny (in our species), spreading in fruit. Co- 

 rolla hairy within, 2-lipped ; the upper lip erect, the lower spreading, 3-lobed, 

 with the middle lobe much larger. Stamens 4, ascending : anthers 2-celled. 

 Nutlets not truncate. — Chiefly hairy or hispid herbs, with few-flowered whorls 

 in terminal racemes. 



* Perennial. 



1. S. aspera, Michx. Stem erect, with the angles rough with recurved 

 bristly hairs, rarely smoothish ; leaves short-petioled, ovate-oblong or ovate- 

 lanceolate, acute, serrate, rounded at the base, smooth, or sprinkled with hairs 

 above ; the floral ones longer than the calyx ; whorls 6 - 1 0-flowered, the lower 

 ones distant; calyx-teeth spine-pointed. (S. hispida, Pursh. S. tenuifolia, Willd.) 



