GAMOPETALE 167 
the tube and tapered. The anthers are purple and 
sagittate. The style, clavate above, is twice as long 
asthe stamens. The stigma is divided into two lobes, 
villous and green. 
The capsule, which is a schizocarp, contains 
numerous seeds, which are scattered by the wind. 
The name Buckbean is derived from the Dutch 
Buckerbeane. It is also known as Bean Trefoil, 
Beckbean, Boghop, Bogmit, Brookbean, Marsh 
Claver, Marsh Cleever, Marsh Clover, Doudlar, 
Threlfold, Bog Trefold, Marsh Trefoil, Water Trefoil. 
The name Trefoil alludes to the trifoliate leaf. It 
was used as a tonic and for fever, and in place of 
hops for dropsy. 
THE DEAD NETTLE GROUP. 
The order Labiatz is at once recognised by the 
labiate or lip-like character of the corolla, which is 
irregular and unsymmetrical. There are about 2800 
species, which are found in all parts of the world, but 
more particularly in the Mediterranean region. 
Most of them are land plants, a few growing in 
water at the margins of rivers or ponds. Several are 
shrubs or undershrubs. The habit is usually that of 
an erect plant with terminal flowers (or in whorls) 
with opposite leaves or sub-pyramidal. 
They are sub-divided into a number of groups, 
depending upon the character of the nutlets. 
In this order are included Bugle, Wood Sage, 
