FLORA OF YOSEMITE 
249 
Fig 4. Merced river. Incense cedar, fir and pine. Above Happy Isles. 
mens of the yellow pine ( Pinus ponderosa) , the fine and magnifi- 
cent trees of Libocedrus decurrens and a few large sugar pines 
( Pinus Lambertiana ) . The latter species is not common in the 
floor of the valley — a few trees o.ccur near the moraine on the 
