l64 UNIVERSITY OF COLORADO STUDIES 



Ahronia micrantha A. Gray 



Paronychia pulvinata A. Gray 



Delphinium geyeri Greene 



Lesquerella montana (A. Gray) S. Wats. 



Rihes cereum Dougl. 



Cercocarpus parvijolius Nutt. 



Astragalus adsurgens Hook. 



Astragalus microlobus A. Gray 



Astragalus pectinatus A. Gray 



Astragalus multiflorus A. Gray 



Petalostetnon sp. 



Psoralea tenui flora Pursh. 



Linum aristatum Engelm. 



Linum puberlum (Engelm.) Heller 



Euphorbia jetidleri (T. & G.) Small 



Euphorbia robusta (Engelm.) Small 



Rhus trilobata Nutt. 



Malvastrum dissectum (Nutt.) A. Nels. 



Opuntia polyacantha Haw 



Opuntia rhodantha K. Sch. 



Echinocereus viridiflorus Engelm. 



Gaura coccinea Nutt. 



Gaurella guttulata (Geyer)]^Small 



Galpinsia lavandulajolia (T. & G.) Small 



Meriolix serrulate (Nutt.) Walp. 



Gilia iberidijolia Benth. 



Phlox andicola (Britt.) E. Nels. 



Allocarya scopulorum Greene 



Oreocarya suffruticosa (Torr.) Greene 



Phyla cuneijolia (Torr.) Greene 



Pentstetnon albidus Nutt. 



Thalesia jasciculata (Nutt.) Britt. 



Artemisia aromatica E. Nels. 



Erigeron pumilics Nutt. 



Hymenopappus cinereus Rydb. 



Lygodesmia juncea (Pursh) D. Don 



Thelesperma intermedium Rydb. 



Townsendia grandiflora Nutt. 



In the above list it will be seen that no species new to science were 

 obtained. However, the known range of some of the species was con- 



