E L M S . 
Natural Order, Ulmace^e. (Mirbel.) Linncean Classifica- 
tion, Pentandria, Digynia. 
ULMUS. (Linn.) 
OPAQUE LEAVED ELM. 
ULMUS *opaca; foliis parvis oblongo-ovatis obtusis scabris, 
subduplicato denticulatis , basi cuneatis obliquis subtus pu- 
bescentibus, Jloribus fasciculatis, fructibus hirsutis. 
In the summer of 1818 , on my journey into the inte- 
rior of the territory of Arkansa and on the plains of 
Red River, near its confluence with the Kiamesha, 
1100 miles up the former stream I had the satisfaction 
of discovering this curious Elm, which, like our other 
species, forms a majestic and spreading forest tree of 
the dimensions of an ordinary Oak. In those dry and 
open savannahs, the shade of this densely verdant tree 
proved more than usually acceptable. It is remarkable 
for the smallness and thickness of its oblique and usu- 
ally blunt leaves, which, with their short stalks, are 
only about an inch in length by half that dimension in 
breadth; they are also very numerous, close together, 
scabrous, with minute papillae, of a deep green above, 
and somewhat shining, oblong-ovate, mostly obtuse, the 
margin with shallow double denticulations; beneath, the 
leaf is paler, a little brownish, with strong pennate, 
