DIDYNAMIA— GYMNOSPERMIA. Ballota. 101 



crenate, hardly an inch long ; three-ribbed at the base. Whorls 

 axillary, crowded towards the tops of the branches. Cal. hairv. 

 Cor. smJl, light purple, with a white and spotted palate ; its 

 structure perfectly that of a Stachys, though Haller thought 

 otherwise. Seeds rounded externally ; triangular at the inner 

 side. The plant is slightly fetid^ but has no remarkable qua- 

 lity. 



294. BALLOTA. Black Horehound. 



Unn.Gen.29A. Juss.WA. Fl.Br.G3b. Lam.t..i08. 

 Ballote. Tourn.t. 85. 



Cal. tubular, oblong, with 5 angles, 10 ribs, and 10 furrows, 

 permanent; limb somewhat salver-shaped, dilated, spread- 

 ing, plaited, regular, with 5 pointed teeth. Co?: ringent; 

 tube cylindrical, the length of the calyx ; upper lip erect, 

 ovate, concave, notched ; lower 3-lobed, obtuse, the cen- 

 tral lobe largest, cloven. Filam. awl-shaped, directed 

 lovk^ards the upper lip, which extends a httle beyond them. 

 ylnth. oblong, of 2 spreading valves. Germ, small, 

 4-lobed. Sti/le thread-shaped, of the length and situa- 

 tion of the stamens. Stigma cloven, slender. Seeds 4, 

 ovate, in the bottom of the somewhat hardened calyx. 



Herbaceous, downy, fetid. Leaves ovate or heart-shaped, 

 serrated, or lobed. Fl. numerous, purplish, or white, 

 in dense, stalked, bracteated whorls. Some of the foreign 

 species are doubtful as to their generic character. 



L B. nigra. Stinking Black Horehound. 



Leaves ovate, undivided, serrated. Calyx funnel-shaped, 

 abrupt, with short spreading teeth. 



B. nigra. Linn. Sp. PL ed. 1 . 582. Fl. Br. 635. Engl. Bot. v. 1 . 



^46. Huds.260. IVitli. 533. Relh.234. Sibth.\S7. Mbot 



131. Hook. Scot. 1 84. Bull. Fr. t. 397. 

 Mentha aquatica. FL Dan. t. 673 ! 

 Ballotte. Raii Si/n. 244. 

 Ballote. Fuchs. Hist. 154./. Math. Valgr. v. 2. 180./. Tourn. 



Inst. 1 85 . <. 85 . raill. Par. 20. 

 Marrubium nigrum. Ger. Em.JOl.f. 



M. vulgare. Clus. HisL v. 2. 34./. ' . 



Stinking Horehound. Pet. H. Brit. t. 32. f. 4. 

 ^. Ballota alba. Lbin. Sp. PLed.2.8\4. FL Suec. 206. 

 B. nigra (3. Hnds.260. With. 533. Relh.235. 

 B. flore albo. Toum. Inst. 1 85. VailL Par. 20. 

 Ballote. Camer..Epit.572.f. 

 About hedges and waste places common. 



