VOL. IV.] Additions to the Flora of Colorado. 283 



7. Uromyccs aconiti-lycotojii, (D. C.)Wint. [Fairchild] — On 

 Aconitum Columbiannm, Cusack Ranch, Wet Mountain Valley. 



8. Puccifiia atrop2cncta,^'k. 8lQ. [Fairchild] — On I'eratrum 

 Calif orniciun, Cusack Ranch, Wet Mountain Valley. Other 

 specimens on the same plant from the same locality were named 

 P. Veratri, Niessl. [Galloway]. 



9. Erysiphe counniniis (Wallr.) Fr. [Anderson] — On Ther- 

 mopsis montana, Cusack Ranch, Wet Mountain Valley. 



10. ^cidium thalictri, Grev. [Anderson] — On Thalidrum 

 <^Fendleri?) Smith's Park, Custer County.* 



11. Puccinia fiisca Wint. [Galloway] — On Aneuionc patents 

 -var. Nuttalliana, Cusack Ranch, Wet Mountain Valley. 



12. yEcidhon asl?'agali,T\x\xva. [Galloway] — On Astragalus 

 (perhaps alpimis), near Brush Creek, Custer County, prox. 9000 

 feet. Also identified by Mr. J. B. Ellis. 



13. Aicidmm berberidis, Pers. [Galloway] — On Berberis 

 JFendleri, near Durango, collected by Miss A. Eastwood. 



14. ALcidium compositainim Max. ambrosia;, Burl. [Galloway] 

 — On Artemisia franserioides, Smith's Park, Custer County. 



15. Ai,cidiiim senecionis, Desm. [Fairchild] — On Se7iedo, 

 Silverton, collected by Miss A. Eastwood. 



16. Uromyces Junci (Desm.) Tul. [Ellis] — On Juncus, West 

 Cliflf. 



17. Ustilago longissima, Tul. [Ellis] — West Cliflf, May 24. 



18. Puccinia graminis, Pers. [Galloway] — Near Texas 

 Creek, Wet Mountain Valley, on grass. 



19. C7'onartium asclepiadeum var. tliesii, Berk. [Ellis] — On 

 Comandra pallida, along Short Creek, Wet Mountain Valley. 



20. Ttiberculina persicina, Ditl. [Ellis] — On ALcidium on 

 Berberis Fendleri, near Durango, collected by Miss Eastwood. 



21. Puccinia viol(E(^Q\i\xxn..)\i.Q.. [Galloway] — On FiWa, Elk 

 Mountains, above timberline, collected by Miss Eastwood. 



* I find, however, that an ^-FciJinm from the same species of plant and 

 the same locality was identified for me bj- Mr. Galloway as AL. sommerfeUii 

 Johanson. 



