HUME — FUNGI OF COLORADO, WYOMING AND NEBRASKA. 249 



(62.) The host plant is quite common in many places and usually the 

 whole plant is affected by the fungus. 



Uromyces Zygadeni Peck. On leaves of Zygademis eki^ans, Sheri- 

 dan, Wyo., (137)- 



Melampsora farinosa (Pers.) Schroet. On catkin oi Salix sp., Man- 

 itou trail. Col., (31); on leaves oi Salix sp. , Beaver Creek, Col., (78). 

 The occurrence of this fungus on the leaves was very common; only 

 one catkin was found affected. 



Puccinia Anemones -virginiancE Schwein. On leaves of Anemone 

 muhifida, Stove Prairie Hill, Col. (142). This species was not un- 

 common on this anemone. 



Puccinia Caricis (Schum.) Rebent. Aicidium on foliage of Urtica 

 gracilis Fort Collins, Col., (8); Carex^l., Fort Collins, Col., (65). 

 The yEcidium stage was extremely abundant on Urtica along the banks 

 of streams and in timber — in fact, wherever the host was found. 



Puccinia congregata Ell. and Hark. On leaves oi Saxifraga rivularis, 

 Beaver Creek, Col., (76). 



Pucciiiia ciirtipes Howe. On leaves of Heuchera bracteata, Colorado 

 Springs, Col., (21); on Saxifraga sp., Beaver Creek, Col., (73). 



Puccinia Distichlydis E. & E. On leaves of Distichlis maritinia, 

 McCook, Neb., (18). In rather moist places this species was not un- 

 common. 



Puccinia Epilobii DC. ^Pcidium on leaves of Elipobium sp.. West 

 Branch Big Goose, Wyo., (83). Abundant in a small area affecting a 

 very large number of plants. 



Pucci?iia Gayophyti Pk. On leaves of Gayophyfum racemosum, Fort 

 Collins, Col., (37); Beaver Creek, Col., (54). Very plentiful on plants 

 under ledges of rock. 



Puccinia Geranii-silvatici Karst. On leaves of Geraniutn sp., Big 

 Horn Mountains, Wyo , (70). Although this Geranium was abundant 

 the fungus was rare, only a few affected leaves being found. 



Puccinia graminis Pers. On leaves of Poa sp., Larimer County, 

 Col., (87). 



Puccinai Helianthi Schw. On foliage of Helianthus annuus, Crete, 

 Neb., {2); McCook, Neb., (4); Lincoln, Neb., (66). This species 

 was abundant throughout Nebraska. 



Puccinia Jieuchera (Schw.) Diet. On leaves of Mitella pentandra, 



