MINT FAMILY. 355 



36. LEONTJRUS, MOTHERWORT. (Greek: lion's tail, but there 

 is no obvious resemblance.) Flowers late summer. 



L. Cardlaca, Linn. Common M. Nat. from Eu., in cult, and waste 

 grounds ; tall, with palmately cleft, long-petioled leaves, the lower 

 rounded, the upper wedge-shaped at base ; upper lip of pale purple corolla 

 bearded. % 



There are two other introduced species, less common. 



37. LAMIUM, DEAD NETTLE. (Greek : throat, alluding to the 

 grinning corolla.) Low spreading herbs from Old World, in waste 

 grounds ; flowers spring and summer. (Lessons, Fig. 256.) 



# Insignificant weeds in waste or cultivated grounds, with few small and 



purple or slender flowers in some of the axils. ® @ 



L. amplexicdule, Linn. Leaves rounded, deeply crenate-toothed and 

 cut, the upper ones clasping; corolla with a long tube, its upper lip 

 bearded, the lower one spotted. Frequent. 



L. purpOreum, Linn. Leaves more heart-shaped, and less cut, all of 

 them petioled. Less common. 



* * Mowers larger, V long, in several axillary whorls ; corolla ascending, 



the lateral lobes bearing a slender awl-shaped appendage. 11 



L. Album, Linn. Gardens and waste grounds ; hairy ; leaves all peti- 

 oled, ovate and heart-shaped, rugose-veiny ; flowers white. N. Eng. 



L. macu latum, Linn. Cult, and sparingly escaped ; hairy or nearly 

 smooth ; leaves as in the other, but with a white spot or blotch on the 

 upper face ; flowers purple. 



38. STACHYS, HEDGE NETTLE. (Greek : spike, from the inflo- 

 rescence.) Flowers in summer, in all ours % 



* None of the leaves truly cordate. 



*- Leaves linear-oblong or narrower. 



S. hys3opifolia, Michx. Wet sandy soil, Mass. to Mich., and S., not 

 common ; smooth, low (1° high) ; leaves almost entire, sessile ; calyx 

 teeth softer and less pointed than in the next. 



*- -i- Leaves oblong-ovate or broader. 



S. paWstris, Linn. Common in many varieties in wet grounds ; rough- 

 hairy ; leaves oblong or lance-ovate, sessile and crenate-serrate, and 

 somewhat obtuse, downy or hairy-pubescent ; calyx teeth sharp-pointed 

 or pungent, half the length of the corolla ; upper lip of the purplish 

 corolla pubescent, and the calyx hispid. 



S. aspera, Michx. Stem usually glabrous, but with stiff reflexed 

 bristles at the joints ; leaves like the last (often nearly glabrous) but 

 petioled ; calyx commonly glabrous, as well as the corolla. Common in 

 wet grounds. 



Var. glabra, Gray, is generally glabrous throughout, with long-peti- 

 oled leaves. Western N. Y., W. and S. 



S. lanata, Jacq. Stems erect, tufted, which, like the Mullein-like 



leaves, and dense interrupted spike, are wholly covered with thick and 



silvery white wool ; corollas very short dull purple. Cult, from Old 



World 



* * Many or all the leaves distinctly cordate. 



S. cocci nea, Jacq. Scarlet S. Leaves ovate-oblong and heart-shaped, 

 pubescent ; flowers whorled with bright red corolla, its tube often 1' long ; 

 l°-2°. Mexico and Texas. Cult. 



