Cardamine kamtschatica (Regel) Schulz.
(C. umbellata Greene.)
A small "bitter-cress," not rare along rills at 5,000 feet elevation.
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 suggested 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.