PLANTS OF BEKMUDA. 59 



United States ; habitat, waysides, East Hamilton common. Flowers 

 one -third of an inch, purple variegated with white ; spring and 

 autumn. 



VI. LEONURUS. 



Whorls many-flowered ; calyr nearly equal, Jive-nerved and with Jive 

 spiny teeth ; corolla two-lipped; stamens parallel under upper lip ; nut' 

 lets triangular, truncate at top. 



1. Z. Cardiaca (Motherwort). A stout, erect, perennial herb, two 

 to three feet high ; stems square, downy, leafy from the base ; leaves 

 on slender petioles, ovate, palmatelj'' cut into many, toothed lobes, 

 upper leaves trifid ; whorls distant, numerous, terminal and on the 

 short axillary branches ; calyx-teeth broadly triangular, bristly ; 

 corolla deeply divided, tube straight yafh a hairy ring inside, upper 

 lip nearly flat, entire, lower three-lobed, middle lobe deeply emar- 

 giuate. Distribution, Europe and North America ; habitat, fields, 

 rather local. Flowers half-inch long, rosy with purple veins ; May 

 to September. 



Vir. LAMIUM. 



Whorls many-floivered : calyx nearly equal, Jive-nerved, teeth Jive, 

 acute, not spiny ; throat of corolla dilated, upper lip arched, concave, 

 lower three-lobed, middle lobe broad and emarginate, lateral ones often 

 toothed at base ; nutlets triangular, truncate at top. 



1. L. amplexicaulc (Dead-nettle). A small, annual plant, four to 

 ten inches high ; stems weak, much branched from base ; lower 

 leaves on long petioles, roundish, sharply crenated, upper leaves 

 broader than long, sessile, embracing the stem at their cordate 

 base ; whorls distant, dense in upper axils ; calyx pubescent, teeth 

 closing over nutlets ; corolla-tube slender, much longer than calyx. 

 Distribution, Europe and North America ; habitat, waysides and 

 cultivated ground, common. Flowers half -inch long, rosy varie- 

 gated with white ; January to May. 



2. L. purpureum (Dead-nettle). Annual ; stems decumbent, 

 branching at the base, six to twelve inches high, purplish; leaves 

 one-half to one and a half inches long, on long petioles, cordate, 

 ovate, blunt, crenated ; whorls crowded at end of branches ; calyx- 

 teeth triangular, spreading in fruit ; corolla-tube straight. Distri- 

 bution, Europe and North America ; habitat, waysides and culti- 

 vated ground. Flowers half -inch long, purple ; January to May. 



Nat : Ord : 51. Verbenacece. 



Herbaceous plants, shrubs, or trees, with square stems and oppo- 

 site leaves, without stipules ; calyx persistent, four to five toothed, 

 inferior ; corolla tubular, deciduous, four to five lobed, usually 

 irregular or two -lipped, sometimes nearly regular ; stamens usually 

 four, two long and two short, inserted in corolla, sometimes two or 

 five ; ovary not lobed, two to four celled with one or two ovules in 



