48 BULLETIN UNIVERSITY OF MONTANA 



Adenocaulon bicolor Hook. Everywhere in the mountains to Gunsight 

 Lake from Ravalli northward. 



Artemisia dracunculoides Pursh. Kali.spell, Dayton, Wild Horse Island, 

 Elrod Peak (Elrod). 



Artemisia frigida Willd. Hot Springs to Browning. 



Artemisia biennis Willd. Whitefish, Browning. 



Artemisia Ludoviciana Nutt. Common from Alta northward. 



Artemisia Ludoviciana var. atomifera (Piper Fl. Wash. 588 as species). 

 McDonald Peak. 



Artemisia discolor Dougl. Blaekfoot Glacier, Upper Marias Pass. 



Artemisia discolor var. incompta (Nutt.) Gray. Gunsight Pass. 



Artemisia tridentata Nutt. Alta, Little Bitter Root. 



Artemisia rigida (Nutt.) Gray. Wild Horse Island, also by Elrod. 



Artemisia absinthium L. Bigfork. 



Matricaria discoidea DC. Common Alta and northward. 



Chrysanthemum leucanthemum L. Ravalli as a bad weed. 



Achillea Millefolium L. Alta and northward. The var. rosea also occurs. 



Anthemis arvensis L. iSt. Ignatius Mission. 



Senecio vulgaris L. Bigfork, Columbia Falls, Belton. 



Senecio negacephalus Nutt. From McDonald Peak to Gunsight Pass. 



Senecio integerrimus Nutt. Deer Lodge Valley. Missoula, Upper Marias 

 Pass. Also MacDougal Peak MacDougal. 



Senecio hydrophilus Nutt., S. hydrophiloides Rydberg. Evaro. 



Senecio triangularis Hook., S. saliens Rydberg. Alta to Blaekfoot Gla- 

 cier. S. variifolius Rydberg is a more robust form. 



Senecio hydrophilus Nutt., S. Iiydrophiloides Rydberg. Evaro. 



Senecio lugens Rich. Alta. 



Senecio Fremonti T. & G. MacDougal Peak to Blaekfoot Glacier. 



Senecio canus Hook. Missoula to Gunsight Pass. 



Senecio subnudus DC. Mission Creek, Sperry to Blaekfoot Glacier. 



Senecio ovinus Greene. Sperry Glacier. Probably only a form of the 

 above. 



Senecio Balsamitae Muhl. Monida. 



Senecio cymbalarioides Nutt. Lima and Monida, Stanton Lake (Wil- 

 liams), MacDougal and Silloway Peak (MacDougal). 



Arnica Parryi Gray. MacDougal and McDonald Peaks. 



Arnica longifolia Eaton. Alta to Blaekfoot Glacier. 



Arnica amplexicaulis Nutt. Whitefish. Mrs. Kennedy's specimen quoted 

 by Rydberg as this species is A. foliosa. 



Arnica foliosa Nutt. Bigfork and Swan Lake, Lambert Valley. 



Arnica peduncuiata Rydberg., A. monocephala Rydberg. Evaro. 



Arnica betonicaefolia Greene. McDonald Peak, Lambert Valley, Black- 

 foot Glacier. 



Arnica betanicaefolia var. gracilis (Rydberg Torr. Bull. 24 297 as species). 

 A. jnultiflora Greene. McDonald Peak and Lake. Throughout the Sperry 

 Glacier region. 



Brichellia grandiflora Nutt. McDonald Peak and Lake, Lincoln Pass at 

 Sperry Glacier. 



Liatris punctata Hook. Browning. 



Gutierrezia Sarothrae (Pursh) Britton. Deer Lodge Valley. 



Grindelia nana Nutt. Ravalli, Flathead plains to Hot Springs. 



Chrysopsis villosa (Pursh) Nutt. Ravalli and Garrison to Bigfork. 



Bigelowia viscidiflora (Hook.) DC. Wlild Horse Island, Poison. 



Bigelowia nauseosa (Pall.) Jones. Alta to Browning, not common. 



Solidago humiiis Pursh. Browning. Elrod Peak (Elrod), Silloway Peak, 

 (MacDougal). 



Solidago confertiflora. Somers. 



Solidago Tolmieana Gray. Elrod Peak , Elrod), Bigfork( MacDougal). 



Solidago Guiradonis Gray. Bull Island. 



