RYDBERG: PHYTOGEOGRAPHICAL NOTES 313 
Of these Argentina argentea extends east to South Dakota and 
Ranunculus cardiophyllus to eastern Saskatchewan. 
c. Various mesophytes 
Melica spectabilis 
Melica bella 
Bromus polyanthus 
Carex nubicola 
Carex pachystachya 
Carex Geyer 
Carex filifoliat 
Carex scopulorum 
Anticlea elegans 
Juncus confusus 
Allium Geyert 
Delphinium Nelsoni 
Thlaspi Nuttallii 
Draba nitida 
Peritoma serrulaitum 
Leptasea austromontana 
Potentilla Nuttallia 
Drymocallis corymbosa 
Sieversia grisea 
Sieversia ciliata 
Thermopsis montana 
Lupinus caespitosus 
Astragalus striatus 
Astragalus goniatus 
Viola vallicola 
Phlox caespitosa 
Gilia pulchella 
Phacelia sericea 
Castilleja lancifolia 
Castilleja lauta 
Castilleja hispida 
Orthocarpus luteus 
Coleosanthus grandtflorus 
Aster apricus 
Antennaria flavescens 
Antennaria concinna 
Atnennaria corymbosa 
Antennaria pulcherrima 
Antennaria anaphaloides 
Artemisia Michauxiana 
Artemisia canat 
Artemisia arbuscula 
Artemisia tripartita 
Arnica Parryt 
Arnica mollis 
Arnica Rydbergit 
Senecio serra 
Selaginella densa 
Of these, Delphinium Nelsonii, Anticlea elegans, Juncus 
confusus, and Allium Geyert extend east to South Dakota or 
Nebraska, Astragalus striatus to Minnesota, and A. goniatus to 
Hudson Bay. 
