398 labiAtve 



17. Ballota (Black Horehound). — Hairy, herbaceous plants, 

 with small flowers in dense, axillary whorls, with leafy bracts; 

 calyx funnel-shaped, with 5 equal, broad, spreading, prickly teeth ; 

 corolla unequally 2-lipped ; upper lip erect, concave, lower 3-lobed, 

 the middle lobe largest, heart-shaped ; stamens 4, the 2 lower the 

 longest ; anthers exserted, smooth, bursting lengthwise. (Name in 

 Greek signifying rejected, from the offensive smell.) 



lAmium GALe6bdolon {Yellow Weasel-snout, Archangel, Yellow Dead-nettle). 



i. B. nigra (Black Horehound).— The only British species, a 

 tall, bushy plant, hairy with reflexed hairs, much branched ; leaves 

 stalked, ovate-cordate, downy, wrinkled, crenate ; flowers numerous, 

 light red, in numerous distant, 6 — 12-flowered whorls. — Waste 

 ground ; frequent. The odour of the whole plant is particularly 

 strong and offensive. — Fl. July, August. Perennial. 



18. Teucrium (Germander). — Herbaceous plants with flowers 

 in whorls of 2 — 6, the upper ones in loose, terminal 1 -sided 



