Tin- Trees of Texas 



39 



A west. Tii mountain form extending from Montana and 

 British Columbia to California and Mexico, eastward to Ne- 

 braska and AVestern Texas. In Texas, it reaches the Guada- 

 liipc and Limpia Mountains, and extends northward. 



I- i .; 4. I'iuus echinata. 



Pinus ponderosa grows in a wide variety of habitats. It 

 is at Lome on the moist fertile mountain slopes and plateaus, 

 dry MI- rocky ridges, tVrtilr gravelly valleys, and arid desert 

 slopes. It reaches its maximum size and abundance in the 

 yellow pine belt of the Sierra Nevada. 



The trees of our area are small and of comparatively little 

 value. The wood is classed with the yellow pines. It is soft 



