TJLMACE.E 



Kansas, eastern and northwestern Oklahoma, central Nebraska, North and South Da 

 kota, canons of the Big Horn Mountains, Wyoming, and northwestern Idaho, and south 

 ward to Dallas County, Alabama, and eastern Texas. 



Fig. 291 



Often cultivated in towns of the Mississippi Valley and in western Europe, and occa- 

 sionally in the eastern states. 



2. Celtis Douglasii Plan. Hackbeny. 



Celtis rugulosa Rydb. 



Leaves broadly ovate to oblong-ovate, acuminate, obliquely rounded or unsymmetrically 

 subcordate at base, coarsely serrate, rough on the upper surface, pale and covered below 



Fig. 292 



with a network of reticulate veinlets inconspicuous early in the season, later becoming 

 prominent, glabrous or sparingly pilose along the under side of the stout midrib and pri- 



