LABIATE TRIBE. 497 



* S. ambigua (Ambiguous Wound-wort) approaches 

 S. palustris, from which it is distinguished by its stalked 

 leaves ; it is of local occurrence, but it is said to be abun- 

 dant in the Highlands ; S. Germdnica (Downy Wound- 

 wort) is a woolly plant having many flowered whorls ; it 

 is found on a chalky soil in Oxfordshire, Bedfordshire, 

 and Berkshire. 



15. N]PETA (Oat-mint, Ground Ivy). 



1. N. Catdria (Cat-mint). Stem erect, branched, 2 

 3 feet high, white with mealy down ; leaves whitish 

 beneath ; the flowers, which are small and whitish, 

 dotted with crimson, grow in dense whorls, which towards 

 the summit of the stem are so close as almost to form a 

 spike. Hedges and waste ground, not common. The 

 whole plant has a strong aromatic odour, resembling 

 Penny-royal, and peculiarly grateful to cats, whence it 

 derives its name. Fl. July, August. Perennial. 



ULECH<IMA (Ground Ivy). 

 K K 



