1901 | VEGETATION OF WESTERN TEXAS 269 
trees and shrubs were found which are not a part of the typical 
xerophytic woody vegetation of the region, but are the common- 
est elements of the Atlantic coast plain forests. Herbaceous 
species like Ranunculus, Aquilegia, Botrychium, and Dryopteris 
were naturally associated in this formation. The timber growth 
Fic. 17,—A red beds prairie, central province; the spread of mesquite is 
shown.— From Hill’s Phys. Geog. as 
attains large dimensions in some of these cafions. On the 
Guadalupe at Kerrville acypress stump (Taxodium distichum) was 
found measuring over four feet in diameter. 
Mention has already been made of the mesophytic cafion 
‘ timber of trans-Pecos Texas in connection with high mountain 
forests and the Rio Grande cottonwood-willow and ash timber. 
These cafions also furnish shelter for a few semitropical, mostly 
xerophytic, species common to the lower Rio Grande. 
