MINT FAMILY. 355 



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

 is no obvious resemblance.) Flowers late summer. 



L. Card)aca, Linn. Common M. Nat. from Eu., in cult, and waste 

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

 rounded, the upper wedi;e-sliaped at base ; upper lip of pale purple corolla 

 bearded. 2!- 



There are two other introduced species, le.ss common. 



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

 t;rimiiiis corolla.) Low spreading herbs from Old World, in waste 

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



* Insignificant weeds in ivaste or cuJtivnted grounds, xoith few small and 



purple or slender flowers in same of the axils. ® (2) 



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. 



* * Flov:ers larger, V long, in several axillary lohorls ; corolla ascending, 



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



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

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



L. maculaium, 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 NETTLK. (Greek: spike, ivora the inflo- 

 rescence.) Flowers in summer, in all ours 11 



* None of the leaves truly cordate. 



■*- Leaves linear-oblong or narrower. 



S. hyssopifblia, 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. 



■*- -<- Leaves oblong-ovate or broader. 



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

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

 somewhat obtuse, downy or liairy-pube.scent ; calyx teeth sharp-pointed 

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

 corolla pubescent, and the calyx hi.spid. 



S. ^spera, 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. anil S. 



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

 leaves, and dense interrupted spike, ai-e wholly covered with thick and 

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



* * 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 ; 

 \°-2'^. Mexico and Texas. Cult. 



