FLORA OF THE YELLOWSTONE NATIONAL PARK. 43 



Aplopappus acaulis, Gray. 



Common over the northern poition. Sepulchre Mt., 9200 ft. alt. ; 

 Mt. Holmes, 9800 ft. alt. 



Aplopappus suffruticosus, Gray. 



Sepulchre Mt., 9000 ft. alt. ; Yellowstone (Parry). 



Aplopappus Macronema, Gray. 



Gravelly open places. Elephant Back, 8500 ft. alt. (722 a less 

 tomentose form). Sandy beaches along Yellowstone Lake near mouth 

 of Pelican Creek (723). 



Bigelovia graveolens, Gray. 



Mammoth Hot Springs, 6000 ft. alt. (a glabrous form); Lower Geyser 

 Basin (Coulter). Not common within the Park. 



Bigelovia Douglasii, Gray. 



A form approaching var. serrulata. Gray ; with the preceding, but not 

 common. A dwarf form (near var, pumila, Gray) is found over the 

 open dry areas up to 8000 ft. alt. 



Solidago multiradiata, Ait., var. scopulorum, Gray. 



Meadows and slopes, 7500-9500 ft. alt. Common. 



Solidago Missouriensis, Nutt. 



Rather common up to 8000 ft. alt. Mammoth Hot Springs, 6200 ft. 

 alt. ; Yellowstone Lake, 7900 feet. 



Solidago Missouriensis, Nutt., var. montana, Gray. 



Border of woods. Mammoth Hot Springs, 6100 ft. alt. 



Solidago Canadensis, L. 



Found with 8. Missouriensis, but rather more common. 



Solidago nana, Nutt. 



Mammoth Hot Springs, 6200 ft. alt. Not common. 



Townsendia Parryi, Eaton. 



Common in the northwestern portion of the Park. Grassy Slopes, 

 Swan Lake, 7400 ft. alt. Subalpine, Mt. Holmes, 9400 ft. alt. 



Townsendia Parryi, Eaton, var. alpina, Gray. 



Alpine summits between East Fork of the Yellowstone and the 

 Stinkingwater, 10,200 ft. alt. ; "High divide between the Yellowstone 

 and the Stinkingwater " (Parry). 



Townsendia scapigera, Eaton. 

 Mt. Holmes, 10,000 ft. alt. 



