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 purplish^owers which scarcely ex- 

 ceed the cal. in length. 



11. BALLOTA. 

 1. B. nigra (Hack Horchound), leaves ovate undivided serrated, 



calyces dilated upwards subtruncated, the teeth patent. (Sm.} 



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

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



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



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



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



12. MARRUBIUM. 



1. M. vulgare (white Horehou?id), stem erect, leaves roundish 

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

 Ligfiif.p.315. E.B.t.4lQ. 



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

 common, as about Burntisland, &c., Light/. Fisherrow and Guillon 

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



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 5 flavour bitter. The plant 

 has been much employed in medicines for the asthma. 



13. LEONURUS. 



1. L. Cardiaca (Mot her wort), leaves petiolate the lower ones 



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



E. B. #.286. 

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



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



nethan castle, Glasg., Hopk. FL Aug. I/. . 

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



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



spreading teeth. 



14. CLINOPOD1UM. 

 1. Cl. 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., Hopk. and Mr. Murray. Fl. Aug. I/ . 

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



whorls, large, purple. Smell aromatic. 



15. ORIGANUM. 

 I, O, vulgare (wild Basil), spikes roundish panicled conglome* 



