136 Muhlenbergia, Volume 8 



Koeleria gracilis 

 Common in the Red valley near Rapid City; rare higher. 



Phleum alpinum L. 

 Abundant in meadows on Harney Peak. 



Poa Wheeleri Vasey ? 

 Common on Harney Peak. 



Tradescantia occidentalis (Britton) Smyth 

 Common in wet meadows at low elevations near Rapid City; 

 frequent near Hot Springs (determined by Nelson). 

 Juncus confusus Coville 

 Frequent along streams near Este. 



/uncus Dudleyi Wiegand 

 Abundant on streams throughout. 



Lilium montanum A. Nelson 

 Conspicuous in open woods about Harney Peak. 



Sisyriftchium mucronatum. Michx. 

 Abundant in grass land in the parks, etc., near Custer Peak. 



Aconitum porrectum Rydb. 

 Common in woods above 5000 feet near Nasby, etc. 



Anemone Virginian a L. 

 Frequent along roads and in openings (eastern). 



Aquilegia violacea (Nutt.) Rydb. 

 Occasional in shady woods along Boxelder canyon. 



Ranuticuhis micranthus Nutt. 

 Rare along the Boxelder canyon. 



Thalictrum dasycarpum F. & L. 

 Plentiful along the valleys. 



Arabis luteola Greene 

 Rare on rocks, Harney Peak. 



Erysimum elatum (Nutt.) Rydb. 

 Tolerably common along the valleys near Nasby. 



Heuchera parvifoua Nutt. 

 Common on shaded cliffs about Harney Peak. Hitherto 

 only recorded from near Rochford. 



