184 DIDYN. GYMNOSP. 



Hab. Corn-fields, frequent. Light/. Fl. Aug. Q. 



Distinguished by the small size, weak stems, small and obtuse, mostly 

 petiolated, leaves, and the pale purpliahjlou-ers which scarcely ex- 

 ceed the cnl. in length. 



11. BALLOTA. 

 1. B. ?iigra {black Horchoiind), leaves ovate undivided serrated, 



calyces dilated upwards subtruncated, the teeth patent. {Sm.) 



Lightf. p. 3\4. E.B.t.iG. 

 Hab. Waste places near towns and villages, but not common, Dr. 



Parsons and Slbbald. About Cathcart Castle, Glasg., Hopk. About 



Edinb., and elsewhere, not uncommon, Mr. Arnott. Fl. July, Aug. 



1/. 

 Two to three feet high. Flowers in whorls, purple. Wliole herb fetid. 



12. MARRUBIUM. 



1. M. vulgarc {white Horelwund), stem erect, leaves roundish 

 ovate toothed wrinkled, cal. with 10 setaceous hooked teeth. 

 Lighlf. p. 315. E.B. L4\0. 



Hab. Waste places and way-sides, near towns and villages, but not 

 common, as about Burntisland, &c., Lightf. Fisherrow and Guillon 

 Links, and at Long Niddry, Edinb., Maugh. Fl. Aug. 1/ . 



One to one foot and a half high, bushy : every where hoary with a 

 white thick pubescence or woolliness. Flowers small, almost white, 

 in crowded whorls. Smell aromatic ; flavour bitter. — The plant 

 has been much employed in medicines for the asthma. 



13. LEONURUS. 



1. L. Cardiaca {Mothenvort), leaves petiolate the lower ones 



crenato-lanceolate 3-lobed upper ones entire. IJghtf.p.2\6. 



E. B. t. 286. 

 Hab. Among rubbish and waste places. In a shady walk behind 



Fisherrow, and in CoUington woods, Edinb., Maugh. About Crag- 



nethan castle, Glasg., Hopk. Fl. Aug. 1/ . 

 Stem three feet high, branched. Flowers in crowded whorls, white 



with a reddish tinge ; upper lip of Cor. shaggy. Cal. with pungent 



spreading teeth. 



14. CLINOPODIUM. 

 1. CI. vulgare {wild Basil), leaves ovate obscurely serrated, 



whorls hairy, bracteas setaceous, pedicels branched. Lightf. 



p. 316. E.B.t. 1401. 

 Hab. Hills and bushy places, not uncommon. Salisbury Craigs, &c., 



Mr. Arnott. Sandy banks by the Clyde ; woods, Hamilton and 



Kenmuir banks, &c., Hop/r. and Mr. M/rray. F/. Aug. %. 

 One to one foot and a half high, with soft hairs. Flowers in crowded 



whorls, large, purple. Smell aromatic. 



15. ORIGANUM. 

 1. O. vulgare {wild Basil), bpWics roundish panitled conglome- 



