FOREST FORMATIONS AND FOREST TREES 



67 



Fig. 54. — Thick-leaved Hackberry (Celtis recliculata). XJ 



Genus 12. CERCOCARPUS, Mountain Mahogany 



In addition to the species named below there is a shrubby Cerco- 



carpus which has dentate leaves; very abundant on the rock ridges and 



lower foothills east of the divide. 



la. Tree or shrub with very small entire leaves; fruit seed-like with long plumose tail. 

 1 -, Found on the western slope of the Rocky Mountains. Cercocarpus ledifolius Nutt. 



Fig. 55. — Mountain Mahogany 

 (Cercocarpus ledifolius). Xi- 



Fig. 56. — June Berry (Amelanchier 

 . Xi. 



