48 



FLORA OF MOUNT RAINIER NATIONAL PARK. 



mustard family. It has hoary white foliage, creamy white flowers 

 in terminal racemes and pinnatifid leaves. These two cruciferous 

 plants just mentioned reach a higher altitude than do any other 



Fig. 39. — Eriogonum pyrolaefolium coryphaeum. 



Color of flower, yellowish purple; height of plant, 3 to 8 inches; blooms July and August. 

 Photograph by A. II. Barnes. 



flowering plants on the mountain. Perhaps the smelowskia beats 

 its companion a little. Two grasses, Poa lettermani, Poa suksdorfii, 

 and a sedge are close competitors for the highest honors. 



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