SALICACEAE. (Willow Family.)
Salix scouleriana Barratt.
The common upland willow; not rare up to 3,500 feet elevation.
Salix sitchensis Sanson.
The "silky willow" is plentiful along the Nisqually at Longmire Springs.
Salix barclayi Anderson.
Salix commutata Bebb.
These two willows make thickets along the rills at about 6,000 feet altitude. The leaves in the former are smooth above and glaucous beneath; in the latter pubescent on both sides.
Salix nivalis Hooker.
A very dwarf willow, with obtuse leaves, growing only a few inches high. Found on the north side of the mountain by Flett.
Salix saximontana Rydberg.
Very similar to Salix nivalis, but larger in every way. Also found by Flett on the north side of the mountain.
Salix cascadensis Cockerell.
(S. tenera Andersson.)
A very dwarf rare willow with leaves acute at each end. North slope of the mountain, collected by Flett.
Populus trichocarpa Torrey & Gray.
The cottonwood occurs along the Nisqually to some distance above Longmire Springs.