Rydberg: Phytogeographical notes 



101 



Southern 

 Poa Lettermannii 

 Poa rupicola 

 Anemone tetonensis 

 Drymocallis pumila 

 Solidago decumbens 

 Solidago ciliosa 



The following alpine 

 to have originated in the 



Agropyron Scribneri 

 *Claytonia megarrhiza 

 Paronychia pnlvinata 

 Ranunculus adoneus \ 

 Ranunculus stenolobus) 

 Delphinium alpestre 

 Gormannia debilis 

 Telesonix Jamesii 

 Telesonix heucheriformis 

 Potentilla saximontana 

 Potentilla minutiflora 

 Potentilla tenerrima 

 Trifolium nanum 



* Trifolium Parryi 

 Trifolium montanense 

 Trifolium salictorum 

 Trifolium Brandegei 



* Trifolium dasyphyllum 



* Trifolium lividum 

 *Trifolium stenolobum 



Trifolium attenuatum 

 Trifolium bracteolatum 

 Angelica Grayi 



and Northern Rockies 

 P. crocata 

 P. crocata 

 A . r globosa 

 D. 'glandulosa 

 SJ oreophila 

 S. scopulorum 

 plants have no close relatives and seem 

 Rockies : 



Oreoxis alpina 



Oreoxis Bakeri 



Oreoxis humilis _ 



Polemonium viscosum 



Polemonium Grayanum, 



Polemonium confertum 



Polemonium speciosum 



Polemonium mellitum 



Polemonium Brandegei _ 



Douglasia nivalis 



Douglasia montana 



Tonestus pygmaeus\ 



Tonestus Lyallii J 



Xylorrhiza coloradensis \ 



Xylorrhiza Brandegei f 



Rydbergia grandiflora 



Rydbergia Brandegei 



Artemisia scopulorum 



Artemisia Patter sonii 



Artemisia Parryi 



Senecio Holmii ~\ 



Senecio taraxacoides J 



Senecio Soldanella 



Senecio petrocallis 



Senecio Porteri 



American Arctic Plants 

 Many plants which have their main distribution within the 

 arctic regions of North America are also found in the northern 



