52 ENGLISH BOTANY. 



smaller intermediate ones, or sometimes 6 to 20 teeth, or merely 

 crenate at the margins ; teeth often spinous-pointed. Corolla 

 bilabiate ; tube rather short ; upper lip erect, oblong, slightlj^ vaulted, 

 notched at the apex, often longer than the lower lip; lower lip 

 sjjreading, 3-cleft, the middle lobe notched. Stamens 4; filaments sub- 

 parallel under the upper lip of the corolla ; anthers approximate in 

 pairs ; cells diverging in a nearly straight line, distinct, each cell open- 

 ing by a separate longitudmal cleft. Nucules rounded at the apex. 



Herbs with rugose leaves, often cordate at the base, entire or crenate. 

 Bracts similar to the leaves. Verticillasters usually many-flowered, 

 often with sptnelike bracteoles. 



The name of this genus is derived from a Greek word, ftaWii) (hallo), thrown 

 away, worthless. 



SPECIES I— BALLOT A NIGRA. Lhm. 

 Plate MLXV. MLXVI. 



Leaves roundish-ovate or rhombic-ovate, crenate-serrate or doubly 

 crenate-serrate or serrate. Bracteoles -long, soft, linear-subulate. Calyx 

 slightly enlarging in fruit, the limb with 5 equal ovate or lanceolate, 

 spinous-mucronate or spinous teeth. Corolla tube scarcely exceeding 

 the calyx. Plant more or less pubescent. 



Var. a^fivtida. Koch. 



Plate MLXV. 



Belch. Ic. Fl. Germ. et. Helv. Vol. XVIII. Tab. MCCXVIII. Figs. 1 & 2. 



Billot, Fl. Gall, et Germ. Essicc. No. 2900. 



B. footida, Lam. Fries, Nov. Fl. Suec, ed. ii. p. 195. Bah. Man. Brit. Bot. ed. v. 



p. 262. aren. & Ooclr. Fl. de Fr. Vol. II. p. G95. 

 B. nigra, Sm. Eng. Bot. No. 635. 



Calyx-teeth ovate or roundish-ovate, cuspidate or abruptly acumi- 

 nated into short spinous teeth, or merely with mucronate pomts. 



Var. 3, ruderalis. Koch. 



Plate MLXVI. 



Ecicli. Ic. Fl. Germ, et Helv. Vol. XVIH, Tab. MCCXVIII. Fig. 134. 

 B. ruderaHs, ' Swensk;' Fries. Fl. Hall. p. 101. and Nov. Fl. Suec. cd. ii. p. 194. 

 Bah. Man. Brit. Bot. p. 262. 



Calyx-teeth lanceolate, gradually acuminated into long spinous 

 teeth. 



In waste places and hedge-banks. Common, and generally distributed 

 in England. Scarce in Scotland, and not extending north of the shores 



