APETALZ 185 
reduced to one flower. The pollen is wind-dis- 
persed. 
The samara is winged, and disperses the seeds by 
aid of the wind to a distance from the tree. 
The Wych Elm is also called Chew Bark, Broad- 
leaved Elm, Scotch Elm, Witch Elm, Halse, Witch 
Hazel, Helm, Mountain Elm, Orne Tree, Witch, 
Witch Wood, Wych Wood. 
An old writer says it is called Chew Bark because 
—The inner bark of the Elm, for a certain pleasant 
clamminess, is chewed by children, and hence the 
tree is called chew bark.” 
The name Wych Elm was applied because the wood 
was used to make chests called wyches, hueches. 
The name Witch Hazel has reference to the resem- 
blance between the leaves and those of the Hazel. 
ACHLAMYDES. 
In this group both calyx and corolla are absent, 
except in Cupulifere. 
The flowers are unisexual, the males are in catkins, 
the females in catkins or spikes. 
It includes Salicacez, Cupulifere, Betulaceze, 
Myricaceze. In Myricacez the flowers are of both 
sexes in the axils of imbricating bracts. The plants 
are mono-dicecious. In Salicinez the plants are 
dicecious. : 
Most are trees or shrubs and are pollinated by the 
wind, their fruits being also wind-dispersed to a great 
extent. 
