ARUM TRIPHYLLUM. 
Dragon root. 
PLATE IV. 
I, appears, that both North and South Amer- 
ica give rise to this species of Arum, which is so 
versatile in its constitution as to bear the winters 
of Canada, and the perpetual. summer of Brazil. 
In its structure it is one of our most singular veg- 
etables, and in colour one of the most variable, 
It grows in swamps and damp shady woods, and is 
universally known among us by the names of Dra- 
gon root and Indian turnip. 
The class to which the family of Arums be- 
long, is rendered somewhat obscure by the varia- 
tion of the species. Most botanists have placed 
them in the class Monecia, others in Polyandria, 
The species under consideration is undoubtedly 
Polygamous. In natural arrangements, the Arums 
