DIDYNAMIA— GYMNOSPERMIA. Ballota. 101 



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

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

 Cor. small, 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. 



Linn. Gen. 2^ A. Jim. 114. F/. Br. 63.5. Lam. f. .508. 

 Ballote. Tourn.t.So. 



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. Cor. ringent; 

 tube cylindrical, the length of the calyx ; upper li)> erect, 

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

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

 towards the upper lip, which extends a httle beyond them. 

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

 4-lobed. Style thread-shaped, of the length and situa- 

 tion of die 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 iv/iorls. Some of the foreign 

 species are doubtful as to their generic character. 



1. B. nigra. Stinking Black Horehound. 

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

 . abru})t, w^ith short spreading teeth. 



B. nigra. Linn. Sp. PL ed. 1. 582. Fl. Dr. 635. Engl. Bat. v. 1. 



f.4G. nuds.260. mt/i.533. Relh.234. Sibth.\S7. Mbot 



131. Hook. Scot. 184. Bull. Fr. ^397. 

 Mentha aquaticn. Fl. Dan. t. 073 ! 

 Ballotte. naiiS,jn.2\A. 

 Ballote. Fucks. Uist.\:)\.f. Math, f'algr. v.2. ]^0.f. Tourn. 



Inst. 18.*). t. 8;'). Trti//. Par. 20. 

 Marrubium nigrum. Ger. Em.70\. j. 

 M. vulgare. C7//.s. Hist. v. 2.34./. 

 Stinking Horehound. Pet. //. Brit. t. 32./. 4. 

 /3. Balluta all).!. Linn. S/,. PI. ed. 2. S\4. Fl. Suec.20C}. 

 B. nigra (o. Ilnds. 2(i0. With. 533. Relh. 235. 

 B. flore albo. Tvmn. Inst. IS.->. raill. Par. 20. 

 Ballote. Camer. Fpit. 572./ 

 About hedges and waste places common. 



