310 RYDBERG: PHYTOGEOGRAPHICAL NOTES 
Ranunculus Eschscholtzit 
Campe americanat 
Agrostis vartabilts 
Graphephorum Brandeget 
Danthonia californica 
Danthonia unispicata 
Carex Raynoldsit 
Carex tenuirostris 
Carex simulata 
Carex athrostachya 
Carex Kelloggit 
Lemna gibba (Eur.) 
Juncus Mertensianus 
Iris missouriensts 
Polygonum Watsonit 
Bistorta bistortotdest 
Claytonia lanceolata 
Parnassia fimbriata 
Micranthes arguta 
Epilobium brevistylum 
Epilobium occidentale 
Amarella strictifiora 
Mimulus Langsdorfii 
Mimulus Lewisiit 
Pedicularis bracteosa 
Galium subbiflorum 
Aster occidentalis 
Crunocallis Chamissonis 
Alsine strictiflora 
Alsine laetat 
Aster Burketi 
Erigeron salsuginosus 
Rudbeckia occidentalis 
Alsine calycantha Senecio triangularis 
Nymphaea polysepala Arnica longifolia 
Thalictrum sparsiflorum (Asia) Agoseris elata 
Myosurus aristatus : 
Of these, some have spread also to the East, as Crunocallis 
Chamissonis and Galium subbiflorum to Minnesota, Linum 
Lewistt to the Black Hills and Nebraska, Alsine strictiflora to 
Ontario, and Thalictrum sparsiflorum and Alsine laeta to Hudson 
Bay. 
c. Various mesophytes 
In this category are included plants that grow in open places, 
as dry meadows, table-land, hillsides and cliffs. Many of these 
grow also at lower altitudes; in the foothills and even on the plains. 
Many are also common to the mountain chains of the Great 
Basin. 
Trees or shrubs 
Cercocarpus ledifolius Limnobotrya montigena 
