LABIATE FAMILY 



397 



corolla-tube only slightly longer than the calyx. — Cultivated ground, 

 chiefly in Scotland. — Fl. June — September. Annual. 



3. L. hybridum (Cut-leaved Dead-nettle). — More nearly allied 

 to L. purpureum; stem 6 — 18 in. high; leaves all stalked, incise- 

 dentate, the lower cordate, the upper wedge-shaped at the base; 

 flowers red, in crowded, sub-terminal whorls ; calyx-teeth about as 

 long as the tube ; corolla-tube not longer than the calyx. — Waste 

 places ; frequent. — Fl. April — October. Annual. 



4. L. purpureum (Red Dead-nettle). — Stem 6 — 18 in. high; leaves 

 all stalked, crenate, blunt, cordate or kidney-shaped, commonly 

 tinged with red, the upper ones crowded ; flowers small, red, or rarely 

 white, in crowded, sub-terminal 

 whorls ; calyx-teeth about as long as 

 the tube ; corolla-tube longer than the 

 calyx. — A very common weed in 

 cultivated ground, and by waysides. 

 ■ — Fl. April — October. Annual. 



5.* L. maculdtum (Spotted Dead- 

 nettle). — Most closely allied to the 

 following; stem 6 — 18 in. high; 

 leaves all stalked, cordate, ovate, 

 much wrinkled, deeply serrate, and 

 almost always with a white stripe 

 down the middle ; flowers large, rose- 

 colour, rarely white ; calyx-teeth 

 broad, recurved, as long as the tube ; 

 corolla-tube longer than the calyx, 

 and abruptly dilating at the throat- 

 Waste places ; an escape from culti- 

 vation. — Fl. June — September. 

 Perennial. 



6. L. album (White Dead-nettle). — A common but not inelegant 

 weed, 6 — 18 in. high ; leaves all stalked, cordate, ovate, acuminate, 

 deeply serrate, sometimes blotched with white ; flowers large, 

 white ; calyx-teeth narrow, straight, with long, slender points as 

 long as the tube ; corolla-tube longer than the calyx, and gradually 

 dilating upwards ; anthers 'black. — Hedges and waste ground ; 

 abundant. — Fl. May — December. Perennial. 



7. L. Galedbdolon (Yellow Dead-nettle, Weasel-snout, Archangel), 

 — Resembling the White Dead-nettle in habit, but rather taller 

 and more slender ; leaves ovate, acuminate, coarsely serrate ; 

 flowers yellow, with red spots on the lower lip, in distant, 6 — 10- 

 fiowered whorls, large and handsome ; anthers smooth. — Copses • 

 frequent. — Fl. May, June. Perennial 



lAmium purpureum 

 (Purple Dead-nettle). 



