PLANTS OF THE ARAPAHOE FOREST 
59 
Photo, by MacDonald 
Fig. 6. Engelmann Spruce, Mount Byers 
Juniperus scopuloriim Sarg. Lookout Mountain, on dry slopes, 8,500 
feet; Berthoud Pass, east slopes of Rockies, 8,500 feet. 
/. communis sibirica (Burgd.) Ryd. Mount Byers; Camp Uray. Com- 
mon on slopes of mountains in woods of lodge-pole pine. 
ANGIOSPERMS 
Gramineae 
Phalaris arundinacea L. Berthoud Pass, 10,000 feet; common. 
Muhlenhergia racemosa (Michx.) B. S. P. Denver; common near irri- 
gation ditches. 
M. montana (Nutt.) Hitch. Lookout Mountain. 
Aristida longiseta Steud. Lookout Mountain. 
