Labiates 



i;3 



Principal British Plants. 



Calamintha, Wild Basil and Basil Thyme. Calyx with 

 thirteen nerves upon it ; corolla longer than calyx, lower lip 

 with three broad lobes ; outer stamens longest, but not diver- 

 ging from inner ones. 



Lamium, Dead-nettle. Calyx ten ribs and five teeth ; 

 corolla with upper lip arched, lower lip with large middle 

 lobe, two side ones small. 



Marrubium, White Horehound. Stamens shorter than the 

 tube of the corolla ; calyx with five or ten teeth and ribs ; 

 upper lip of corolla deeply notched. Used as a remedy for 

 coughs. 



Fig. 308. — Lamium album. Longi- 

 tudinal section of tiower. 



Fig. 309. — Nearly regular flower 

 of Peppermint {Mentha pipe- 

 rita). 



Mentha, Mint. Corolla nearly regular ; stamens four, equal. 

 There are many species used as flavours and odours ; principal 

 are Spear-mint, Peppermint, and Pennyroyal. 



Origanum, Marjoram. Flower in panicles or corymbs ; a 

 bract under each flower. Used as a potherb. 



Salvia, Sage or Clary. Two stamens with branched con- 

 nectives. 



Teucrium, Germander. Upper lip of corolla apparently 

 wanting, but appearing as two small teeth, one on each side of 

 the lower lip. 



Thymus, Thyme. Calyx bilabiate, upper lip three-toothed, 



