432 



FOREST TREES OF THE PACIFIC SLOPE. 



thicker trees sometimes occur. Elsewhere, so far as now known, it is only a 

 shrub from 3 to 8 feet high. Bark of the trees is blackish brown, with a gray- 

 ish overcast, and rough with deep furrows and wide broken ridges. 



Fig. 206. — Ccphalanthus occidentalis: a, flower; b, fruit. 



Twigs and leaves have a characteristic arrangement, 3 (or sometimes 2) 

 growing from each joint of a main stem. Mature leaves (fig. 206, &) are smooth 

 on their upper sides, lighter green and smooth or very minutely hairy beneath, 



