MOUNT RAINIER 



Carez rigida Goodenough. 



Allen, 269, and Piper, 2533, are referred here. The last-named 

 specimens are from near the foot of Pinnacle Peak. 



GRAMINEAE. (Grass Family.) 



Phleum alpinum Linnaeus. 



The " mountain timothy " is of frequent occurrence at 5,000 

 to 6,000 feet altitude. 



Agrostis geminata Trinius. 



Collected by Allen, in 1894. 



Agrostis aequivalvis Trinius. 



The plant referred here is common on the banks of the Paradise 

 River up to 5,000 feet. 



Agrostis rossae Vasey. 



Slopes at 6,000 feet elevation ; common. 



Agrostis humilis Vasey. 



Abundant in springy places at 8,500 feet elevation. 



Calamagrostis vaseyi Beal. 



Goat Mountains, Allen, and common on the rocky ridges north 

 of Cowlitz Glacier. 



Calamagrostis scabra Presl. 



Not rare at 5,500 feet elevation; near Sluiskin Falls, Piper; 

 Tatoosh Mountains, Allen. 



Deschampsia atropurpurea (Wahlenberg) Scheele. 



Common at 5,000 to 6,000 feet elevation. 



Danthonia intermedia Vasey. 



Common at about 5,000 feet altitude. 



Trisetum cernuum Trinius. 



Moist places up to 5,000 feet altitude. 



Trisetum spicatum (Linnaeus) Richter. 



Rare on the ridge near Camp of the Clouds. 



China latifolia (Treviranus) Grisebach. 



Common in wet ground about Longmire Springs. 



Poa arctica R. Brown. 



A grass doubtfully referred to this species is common at 5,500 

 feet elevation. 



Poa paddensis Williams. 



One of the most frequent grasses at 5,000 to 6,000 feet. 



Poa saxatilis Scribner & Williams. 



On rock cliffs at 6,000 feet. The type of this species is Piper 

 No. 1964, from above Camp of the Clouds. 



Poa suksdorfii Vasey. 



Rather rare in the pumice at 9,000 feet elevation. 



282 



