184 POPULAR FIELD BOTANY. 
are fit to eat, being of an agreeable acid. The numerous, 
oblong, and rough leaves of this species are all near the 
root, or radical, as the term is, covered with minute crystal- 
line points, fleshy, and the sides rolled up. There is only 
one flower to each stalk, which is very handsome, purple, 
and drooping. It is abundant in the north, in bogs and on 
moist banks. 
PrnevicuLa Lusitanica. Pale Butterwort. This species 
is confined to the west side of the kingdom, where it is found 
in marshy places and wet moors. It is smaller than the last, 
with very pale purplish yellow flowers, and leaves of a thin 
texture, veiny and hairy. ‘T'wo other species belong to the 
genus, but one is found only in Ireland, and the other in 
Scotland very rarely. 
DIaANDRIA. MOoONOGYNIA. 
COROLLIFLOR2. LAMIACES. 
LYCOPUS. (Gypsywort.) 
Generic Character. Calyx tube-shaped, and divided into five 
at the top. Corolla tubular also, but divided into four, the 
upper divisions broader and notched. 
Lycopus EvRopa&uUs. Common Gypsywort, or Water 
