DIDYNAMIA GYMNOSPERMIA. 133 



Hob. Deans and dry banks. A little beyond Dodd's 

 Well ; Edrington Craigs ; Chapel-hill, Belford, Thomp. 

 Haidendean, &c. July, Aug. 7/ 



175. STACHYS. 



1. S. sylvatica, hairy, fetid ; stem solid; leaves heart-shaped, 

 stalked ; flowers dull red, 6 in a whorl. Hedge Woundwort. 



Hab. Woods, and under hedges. July, Aug. If 



2. S. palustris, root tuberous ; leaves linear -lanceolate, half- 

 embracing the hairy stem ; flowers light purple, variegated, 6 to 

 10 in a whorl. Marsh Woundwort. 



Hab. Moist fields and banks of ditches, common. Aug. I/. 



'3. S. arvensis, stem weak ; leaves heart-shaped, obtuse, cre- 

 nate, slightly hairy ; flowers in a whorl, small, light purple, 

 with a white and spotted palate. Corn Woundwort. 



Hab. Sandy fields. " Below Lamberton, plentiful ; about 

 Doddington," Thomp. July, Aug. 



176. BALLOTA. 



1. B. nigra^ leaves ovate, undivided, serrated ; calyx funnel- 

 shaped, abrupt, with short spreading teeth ; flowers in whorls, 

 purple. Black Horehound. 



Hab. Waste grounds, common near towns and villages. 

 Aug. V ' 



177- MARRUBIUM. 



1. M. vulgare, hoary, pubescent ; stem erect ; leaves roundish, 

 ovate, unequally serrated ; calyx-teeth 10, bristle-shaped, hooked 

 backwards ; flowers white, in dense convex whorls. White 

 Horehound. 



Hab. " On the rocks and links at Bamborough Castle," 

 Winch. July. If. 



The plant has been much employed in medicines for the 

 asthma, though, we may remark, it does not enter into 

 the composition of the genuine medicines sold in its name. 



