Standley: Rusts from Glacier National Park 147 



Puccinia Taraxaci Plowr. 



II, III. On Taraxacum officinale Weber (15922, 18757). 



Puccinia Troximontis Peck 



III. On Agoseris villosa Rydb. (16080) and A. turbinata Rydb. (16662). 



Puccinia Urticae (Schum.) Lagerh. 



I. On Urtica cardiophylla Rydb. (15237). 



Puccinia Veratri Duby. 

 On Epilobium anagallidifolium Lam. (15 199, 16104) and E. alpinum L. 

 (18024a). 



Puccinia Violae (Schum.) DC. 

 III. On Viola canadensis L. (15931, 179 17). 



Pucciniastrum arcticum americanum Farl. 



II. On Rubus strigosus Michx. (18247). 



Pucciniastrum Myrtilli (Schum.) Arth. 

 II. On Vaccinium membranceum Dougl. (18745, 18266, 16359), V. caespi- 

 tosum Michx. (188 18), and V. Myrtillus L. (16361). 



Pucciniastrum pustulatum (Pers.) Diet. 

 On Epilobium platyphyllum Rydb. (17974), £• angustifolium L. (18775, 

 18478), and E. adenocaulon Hausskn. (16998). 



Pucciniastrum Pyrolae (Pers.) Diet. 

 II. On Pyrola secunda L. (18694). Collected also at Iceberg Lake, on 

 Pyrola minor L., by Miss Gertrude Norton. t 



Uredinopsis Atkinsonii Magn. 

 II. On Athyrium Filix-foemina (L.) Roth (17918). 



Uromyces Glycyrrhizae (Rabenh.) Magn. 

 On Glycyrrhiza lepidota Nutt. (18833). 



Uromyces Hedysari-obscuri (DC.) C. & P. 

 I. On Hedysarum sulphur esc ens Rydb. (16658). 



( Uromyces heterodermus Sydow 

 On Erythronium grandiflorum Pursh (16182, 18086). 



Uromyces intricatus Cooke 

 I, II. On Eriogonum Piperi Greene (15595, 15980). 



Uromyces Junci (Desm.) Tul. 

 I. On Arnica mollis Hook. (16937). 



