Mycological Flora of the Rockies 113 



BASIDIOMYCETES 



UREDINALES 



Aecidium asterum Schw. Infrequent. Tolland. On Aster sp. 



Calyptrospora columnaris (A. & S.) Kiihn. On Vaccinium 

 oreo'philum Rydb. Common, Tolland. Leal. 



CoLEOSPORiUM soLiDAGiNis (Schw.) Thtim. On Solidago. 

 Common. Tolland. Leal. 



Gymnosporangium juniperinum (L.) Mart. On Sorhus 

 scopulina. Infrequent. Tolland. 



Melampsora albertensis Arth. On Populus tremuloides. 

 Common, Tolland. 



Melampsora Biglowii Thum. On Salix sp. Common. 

 Tolland. 



Melampsoropsis pyrolae (D. C.) Arth. On Pyrola secunda. 

 Frequent, Leal, Tolland. 



Peridermium Coloradense (Diet.) Arth. & Kern. Form- 

 ing witches brooms on Picea Engelmanni. Frequent. Leal and 

 Tolland. 



Peridermium columnare (A. & S.) Kunz. & Sehum. On 

 needles of Ahies lasiocarpa. Frequent. Tolland. 



Peridermium Conorum-Picea (Rees) Arth. & Kern. On 

 cones of Picea Engelmanni. Common, Tolland. 



Peridermium filamentosum PK. On branches of Pinus 

 contorta, scarcely hypertrophied. Leal, infrequent. 



Phragmidium montivagum Arth. On leaves of Rosa sp. 

 Common, Tolland. 



Phragmidium speciosum Fr. On Rosa melina. Infrequent. 

 Leal. 



PucciNiA ATROPUNCTA Pk. & CUnt. On Veratrum speciosum. 



Leal. 



PucciNiA ciRSii Lasch. On Cirsium griseum. Infrequent, 

 Tolland. On Carduus Hookerianus. Infrequent, Leal. 



PucciNiA CLEMATiDis (D C) Lagcrh. (I) On Thalictrum sp. 

 Tolland. 



PucciNiA CLiNTONi Pk. On Pedicularis. sp. Frequent. Tol- 

 land. 



