208 POPULAR FIELD BOTANY. 
water, the root being fixed at the bottom of the stream. It 
is not common, and in many places very rarely seen ; never 
in Scotland. 
PENTANDRIA. MONOGYNIA. 
COROLLIFLOR®. GENTIANACES. 
MENYANTHES. (Bucxseay.) 
Generic Character. Calyx divided into five. Corolla funnel- 
shaped, the segments hairy within. Stigma two lobes. 
MENYANTHES TRIFOLIATA. Common Buckbean, Marsh 
Trefoit. Not an aquatic plant like the last, but delighting 
in marshy ground, and the sides of rivers. Its roots are 
densely creeping, and matted, so as often to render the 
boggy ground firm, where the plant grows. Lasily known 
by its leaf, which is divided into three, like the Trefoil, or 
the garden Bean. ‘The flowers are handsome, growing in a 
bunch, white, beautifully tipped with red, and fringed with 
white filaments within. ‘The Highlanders use it as tea, to 
strengthen the digestion, and sometimes as a substitute for 
hops. 
