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RYDBERG: PHY APHICAL NOTES 101 
SOUTHERN AND NORTHERN ROCKIES 
Poa Lettermannii P. crocata 
Poa rupicola P. crocata 
Anemone tetonensis A. globosa 
Drymocallis pumila D. glandulosa 
Solidago decumbens S. oreophila 
Solidago ciliosa 5. scopulorum 
The following alpine plants have no close relatives and seem 
to have originated in the Rockies: 
Agropyron Scribneri Oreoxis alpina 
*Claytonia megarrhiza Oreoxis Bakeri 
Paronychia pulvinata Oreoxis humilis 
Ranunculus adoneus } Polemonium viscosum 
Ranunculus stenolobus Polemonium Grayanum 
Delphinium alpestre Polemonium confertum 
Gormannia debilis ~Polemonium speciosum 
Telesonix Jamesii } Polemonium mellitum 
Telesonix heucheriformis Polemonium Brandegei 
Potentilla saximontana Douglasia nivalis 
Potentilla minutiflora Douglasia montana 
Potentilla tenerrima Tonestus manna 
Trifolium nanum Tonestus Lyallii 
*Trifolium Parryi X ylorrhiza oath, 
Trifolium montanense Xylorrhiza Brandegei 
Trifolium salictorum Rydbergia eos 
Trifolium Brandegei Rydbergia Brandeget 
*Trifolium dasyphyllum Artemisia scopulorum 
*Trifolium lividum Artemisia Pattersonu 
*Trifolium stenolobum Artemisia Parryt 
Trifolium attenuatum Senecio Holmiu } 
Trifolium bracteolatum Senecio taraxacoides 
Angelica Grayi Senecio Soldanella 
Senecio petrocallis 
a 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 
