STACHYS. XCIII. LABIATE. 427 



opposite, short, broad, hairy leaves deeply crenate or cut ; lower ones on stalks 

 an inch or more in length. Flowers in dense verticils, closely sessile in the 

 axils of the upper leaves. Calyx hairy. Corolla purple, downy, the tube much 

 exserted, the lower lip spotted with white. May Nov. 



29. LEON0RUS. 



Gr. \d)v, a lion, ovpa, tail ; from the appearance of the spikes of flowers. 



Calyx teeth subspinescent ; upper lip of the corolla entire, hairy, 

 concave, erect, lower lip 3-lobed, the middle lobe obcordate ; anthers 

 sprinkled with shining dots. 



1. L. CARDIACA. Motherwort. 



Lower stem Ivs. palmate-lobed, uppermost lanceolate, often trifid, all of 

 them toothed, cuneiform at base ; cor. longer than the calyx, the tube with a 

 hairy ring within. 7J. Tartary, whence it was first introduced into Europe and 

 thence to America, ever following the footsteps of civilized man. It is common 

 about rubbish, stone walls and waste places. Stem 3 5f high, downy, square, 

 large, purplish, bearing its opposite, stalked, rough leaves arranged in 4 vertical 

 rows. Flowers in many whorls. Calyx rigid and bristly. Corolla purplish, hairy 

 without, variegated within. July. It has a strong and pungent smell, and has 

 considerable reputation as an ingredient in herb drinks for colds, coughs, &c. 



2. L. MARRUBIASTRUM. Hoarhound Leonurus. 



Cauline Ivs. oblong-ovate, incisely and coarsely serrate, the floral lanceo- 

 late, tapering at each end, incisely dentate ; cor. shorter than the calyx teeth, 

 tube naked within, upper lip somewhat vaulted, pubescent. Naturalized in 



Penn. Darlington ! and la. ! A plant of vigorous growth, 2 4f high, with op- 

 posite, ascending branches. Leaves 2 3' in length, the lowest on long petioles. 

 Verticils many-flowered, remote but numerous, forming an interrupted, leafy 



spike. Corolla reddish- white. July, Aug. 



30. GALEOPSIS. 



Gr. yaAfj, a weasel, ot//t j, appearance ; its grotesque flowers are likened to that animal. 



Calyx 5-cleft, spinescent ; upper lip of the corolla vaulted, subcre- 

 nate, lower lip with 3 unequal lobes, haying 2 teeth on its upper side, 

 middle lobe largest, cleft and crenate ; sta. ascending beneath the 

 upper lip. 



1. G. TETRAHIT. Hemp Nettle. (Fig. 51.) 



St. hispid, the internodes thickened upwards ; Ivs. ovate, hispid, serrate , 

 cor. twice as long as the calyx, the upper lip nearly straight, concave. A 

 common weed, naturalized in waste and cultivated grounds, 1 2f high. Stem 

 obtusely 4-angled, remarkably swelled below the joint, and covered with prickly, 

 deflexed bristles. Leaves hairy on both sides, ovate, acute, serrate. Flowers 

 in dense verticils. Calyx with 5 acute, bristly teeth. Corolla variegated with 

 white and purple, upper lip concave, purple, longer than the 3-lobed lower one. 

 June, July. This plant is so prevalent in many parts of N. Eng. as to nearly 

 ruin some farms. 



2. G. LADANUM. Red Hemp Nettle. 



St. hairy, internodes equal; Ivs. lanceolate, subserrate, hairy; upper lip 

 of the cor. slightly crenate. (J) A smaller species, naturalized, growing among 

 rubbish in gravely soils, &c. Stem about a foot high, not swollen below the 

 joints, with opposite branches. Flowers in dense, remote whorls. Corollas 

 usually rose-colored, often white or variegated, spotted with crimson. Aug., 

 Sept. 



31. STACHYS. 

 Gr. ora^vs, a spike ; this being the inflorescence of all the species. 



Calyx tube angular, 5 or 10-ribbed, 5-toothed, upper teeth often 

 larger ; cor. bilabiate, upper lip erect, spreading or somewhat vaulted, 

 lower lip spreading, 3-lobed. middle lobe largest; sta. ascending, 

 lower ones longer ; anth. approximated in pairs. 



