240 



1VEED5 AXD rSEFUL PLAXTS. 



dne subjection. Aiinther ^pecie^ < Z. pirrpii' rcum. L.) has also been intro- 

 duced in some localitie; : but ii d'jus not appear to multiply so rapidly. 



16. LEOXU'EUS, L. Motherwort. 



[Greek. Leon, a lion, and Oura. a tail ; from some fancied resemblance.] 



Calyx turbinate. .5 - 10- nerved. — the limb truncate. 5-toothed ; teeth 

 subulate, subspinescent. finally spreading. Corolla bilabiate. — the upper 

 lip oblong, entire, flattish C'r somewhat arched — lower lip spreading. 3- 

 lobed. — the lateral lobes oljlun^' — tlie middle one entire or sometimes ob- 

 cordate. Stamfns 4. ascending undtr the upper lip ; anthers approximat- 

 ed in pairs. 2-celled. the valves naked. Aktues triquetrous, truncate at 

 summit, smooth. Mostly perennial herbs with cut-lobed leaves and close 

 whorls of flowers in their axils. 



1. L. Cardia'ca, L. Lower stem-leaves palmate-lobed. the upper ones 

 cuneate-oblong. mostly trifid. with a lengthened narrow base. — the lobes 

 of all the leaves ovate or lanceolate : corolla longer than the calyx-teeth ; 

 the tube with a villous ring within at base ; upper lip flattish. hirstitely 

 villous ; lower lip spreading, the middle lobe entii'e. 



Cardiac Leoxurus. Motherwort. 



Fr. L'Agripaume. Germ. Das Herzgespann. Span. Agripalma. 



Boot perennial St^m 2-4 feet higti, branched at base and abov-. reTr« 'r= r.ubescent, 

 with a £a:rv r;::. at the joints or nodes. Zt:v-^-2-4 ' \^ : j - - : \ver ones 



nearly 0- 1' tiie onthne ; _pei2o7€5 1-. - . . ' - / -wered, 



sessile. .:- an interrupted le^;.. -j <- -\. lo ; .i. : ^■rad'^des 



subulate, saioom. C^vr -t v j;y 5-ribbed. inj.'Xith:sh ; t-ctii ac^ininiate, pungnnt. the 

 lower ones rather lon^- : < / pale purple, externally very villous, especially on the 

 upper hp. Akenes'hLv- - - .inmit. 



Fence rows and wasic places : introduced. Xatire of Europe and Asia. FT.. June - 

 July. Fr. August. 



Ohs. This foreigner is completely naturalized, and is apt to occupy all 

 neglected nonks and waste places about farm-yards and along field-sides. 

 It is an utterly worthle^^s weed — unsightly and disaa'reeable, — and speed- 

 ily i:ives a forlorn appearance to the premises of the slothful and sloven- 

 ly farmer. There is aii'-'ther species L. niarrvhws' trurn. L.) which has 

 beiijrne jvirTiL.lly riaturaliz-'l in S':>rn- districts: but it does not threaten 

 to become so prevalent and troublesome. 



17. TEU'CEIOt, L. GER5IAXDER. 



pSTamed from Teucer. ?* Trojan prince, who, it is said, first used the plant.] 



Calyx tiibular-cainpannlate. nearly equally .5-tootheil. Crrnila with the 

 tube short, — the 4 upper lubes of the limlj nearly eqjial. el;»L:'n2' and de- 

 clined, or very short and rather erect, — the lowest l-be largest, oljjiir:^' or 

 rounded, mostly concave. Starnem 4. exserted fmm the cleft between 

 the upper lobes of the corolla : ant''-: w'th the cell? confluent. Cy mules 

 few-flowered in a terminal rather cr-.-v.-d.-d greyish-green spike. 



