HUME FUNGI OF COLORADO, WYOMING AND NEBRASKA. 255 



SPH^ERIACE^.. 



SphcErella Fragarice (Tul.) Sacc. On leaves oi Fragaria vesca, Lar- 

 imer County, Col., (125) (207); above Big Horn, Wyo., (205). 



Leptosphceria eustomella Sacc. On dead culms of Festuca Kingii, 

 Sheridan County, Wyo., 136. 



Leptosphceria cidmifraga Fr. On dead culms of Festuca Kingii, 

 Sheridan County, Wyo., (136a). 



Pleospora herbarum (Pers.) Rabh. On old stalks of Lithospef-tnum 

 sp., Sheridan County, Wyo., (259.) 



DOTHIDEACE^. 



Phyllachora Aristidce (Schw.) Sacc. On leaves of Distich/is inari- 

 tima, Fort Collins, Col., (126). 



Phyllachora Trifolii {^Qxs.) Tuck. On leaves of Trifolium hybridum, 

 Broken Bow, Neb., (132). 



Ploivorightia morbosa (Schw.) Sacc. On leaves of Prumis Ameri- 

 cana, Alma, Neb., (106). 



STICTACE^. 



Psicedopeziza medicaginis (Lib.) Sacc. On leaves of Medicago saliva, 

 Fort Morgan, Col., (131). 



GYMNOASCACE^:. 



Taphrina ccerulescens (Det. M.) Tul. On leaves of Quercus undulata 

 var. Gunnisoni, N. Cheyenne Canon, Col., (113). This species is quite 

 common in and about N. Caiion in the vicinity of Colorado Springs, 

 but nowhere else was the species found. 



Exoascus cerasi (Tuck.) Sadeb. On foliage oi Prunus Virginiana, 

 Manitou Trail, Col, (114); N. Cheyenne Caiion, Col., (115); Stove 

 Prairie Hill, Col., (i 16); Bosworth's Ranch, Col., (i 17). This was 

 not particularly abundant except in a few places along the Manitou 

 Trail. The leaves were somewhat puffed out, giving to them a strik- 

 ing appearance. 



Exoascus l7istiti(Z Sadb. On foliage of Prunus Pennsylvanica, N. 

 Cheyenne Canon, Col., (119). This was common just below the tim- 

 ber line along the Pike's Peak Railroad. The diseased leaves of the 

 trees were easily detected by their blistered appearance. 



