252 DAVENPORT ACADEMY OF NATURAL SCIENCES. 



^'EciiUum compositarum Mart. On leaves of Riidheckia hiciniafa, 

 Beaver Creek, Col., (45); Erigcron ?,\)., Reaver Creek, Col., (75); Ar- 

 nica sp., Rapid Creek Park, Wye, (82). 



^-Ecidium coitipositarian Mart., var. LactuccE Burrill. On leaves of 

 Lactuca pulchella, Fort Collins, Col.. (47). It was found abundantly 

 in a i&w spots. The cecidhim cups sometimes occur on the upper sur- 

 face of the leaf in narrow longitudinal lines. 



Aicidium Ellisii Tracy & Gall. On leaves of Chenopodiu77i album, 

 Fort Morgan, Col , (146). Rare. 



.Ecidium Euphorbice Gmel. On foliage of Euphorbia Preslii, Crete, 

 Neb., (3); Euphorbia marginata Pursh., Golden, Col., (20). Locally 

 common. 



^Ecidium Grossularice Schum. On leaves of Ribes sp., Beaver 

 Creek, Col., (74). Abundant in a few localities. 



.Ecidium Petalostemonis Kell. X: Carl. On Petalostevwn sp., above 

 Big Horn, Wyo., (71). 



ALcidium Pentastatwjtis Schw. On leaves of Penstemon sp., N. 

 Cheyenne Caiion, Col., (23); Golden, Col., (24). Though evidently 

 widely distributed it was not found in abundance in either locality. 



.Ecidium Phacclice Pk. On leaves o{ Phacelia circinafa. Fort Col- 

 lins, Col., (14). 



.Ecidium Psoralece Pk. On foliage of Psoralea tenuiflora, Colorado 

 Springs, Col., (i); Fort Morgan, Col., (56). Widely distributed, 

 affecting the entire plant. 



/Ecidium Ranuculaccarum DC. On io\\?Lgt o{ Ra7iunculus Cym- 

 balaria, Fort Collins, Col., (9); on leaves of Anemone sp.. Fort Col- 

 lins, Col., (48); on leaves, flowers and stems of Dclphininm azureum, 

 Larimer County, Col., (16). The fungus was not found in any great 

 (piantity on any of the hosts. That on Delphiniicm was not typical, 

 the cups being larger and much lighter in color than in the type. 



Acidium Sommerfeltii Johnson. On foliage of Thalictum. Eendlerii, 

 N. Cheyenne Canon, Cob, (12); Manitou Trail, Col., (19); Fort Col- 

 lins, Col., (38), (50); Thalicirum sparsiflorum Turcz, Rapid Creek 

 Park, Wyo., (5 2), (88). VVidely distributed and in places very abundant. 



(Ecidium. On leaves of unknown species of UmbellifercB, above 

 Big Horn, Wyo., (59), 



Roestelia {spermagonia) . On Pyrus sp. , Colorado Springs, Col. ,(133). 



