THE FLORA OF MOUNT RAINIER 



CRASSULACEAE. (Stonecrop Family.) 



Sedum divergens Watson. 



This species is easily known by its small globular leaves. Com- 

 mon on the cliffs near Sluiskin Falls. 



CRUCIFERAE. (Mustard Family.) 



Draba aureola Watson. 



A viscid yellow-flowered species, rather rare at and near Camp 

 Muir. 



Draba lonchocarpa Rydberg. 



In pumice sand at 8,500 feet altitude. 



Arabis lyallii Watson. 



Common along Paradise River, at 5,000 feet altitude, but also 

 occurring in the pumice at 7,500 feet. 



Arabis drummondii Gray. 



Piper No. 2065, referable to this species, is from Mount Rainier. 

 Collected near the Cowlitz Glacier. 



Cardamine kamtschatica (Regel) Schulz. 



(C. umbellata Greene.) 



A small " bitter-cress,'* not rare along rills at 5,000 feet eleva- 

 tion. 



Erysimum asperum (Nuttall) De Candolle. 



A yellow-flowered plant much like a wallflower, rare at 6,000 

 feet altitude. It occurs also in loose rock near Interglacier. 



Smelowskia ovalis Jones. 



A small, white-flowered, canescent plant, interesting because it 

 ascends Mount Rainier higher than any other flowering plant. 

 Common from 8,000 to 10,000 feet altitude. One specimen was 

 collected quite at the base of " The Sphinx." 



FUMARIACEAE. (Bleeding-heart Family.) 

 Corydalis scouleri Hooker. 

 Common along streams at low elevations. 



BERBERIDACEAE. (Barberry Family.) 



Achlys triphylla (Smith) De Candolle. 



Reported by Mr. Gorman " on the trail from Longmire Springs 

 to the Park." The sweet-smelling leaves of this plant have sug- 

 gested the name of " vanilla leaf." 



RANUNCULACEAE. (Buttercup Family.) 



Thalictrum occidentale Gray. 



This meadow-rue is not rare near the foot of Van Trump Glacier. 



Anemone drummondii Watson. 



Collected by Flett, No. 2171, on the north side of the mountain 

 at 7,000 feet altitude. 



275 



