TWENTY-FOURTH ANNUAL MEETING. 51 



July; those from Manitou, Pike's Peak, and Salida, Colo., were collected during the 

 first half of July; those from Salt Lake City and Wasatch mountains, in the latter 

 part of July; the Montana species, during the first part of August; and the species 

 from Idaho and Yellowstone Park, in the latter part of August. 



OBXPTOGAMIA. 



Erysiphece. 

 Erysiphe communis ( Wallr.) Fr. Sacc. Syll. Fung., I, p. 18. On leaves of Ranun- 

 culus sceleratus. Helena, Mont. 



Hyalosphorce. 

 Physalospora megastoma (Pk.) Sacc. Sacc. Syll. Fung., I, 437. Bot. Gaz. IV, 231. 

 On leaves of Astragalus flexuosus. Limon, Colo. 



Uredinece. 



Puccinia gentianae (Strauss) Lk. I, II, III. Sacc. Syll. Fung., VII, p. 604. On 

 leaves of Gentiana (Parryi?). Beaver Cailon, Idaho. 



Puccinia tanaceti, DC. Sacc. Syll. Fung. VII, p. 687. II on leaves of Cnicus 

 undulatus. Limon, Colo. (Some spores of Darluca filum were found on the same 

 host.) II, III, on leaves of Artemisia tridentata (sage-brush). Beaver Canon, Idaho. 



.^cidium clematidis, DC. Sacc. Syll. Fung., VII, p. 774. On Clematis ligustici- 

 folia, "Gate of the Mountains." Missouri river, Mont. 



^cidium ranunculacearum, DC. Sacc. Syll. Fung., VII, p. 776. On leaves of 

 Ranunuculus cymbalaria. Limon, Colo. 



Uredo oxytropidis Pk. Sacc. Syll. Fung., VII, p. 855, Bot. Gaz. 1879, p. 218. On 

 leaves of Oxytropis iamberti. Salida, Colo. 



Uredo speciosa Pk. Sacc. Syll. Fung., VII, p. 860, Bot. Gaz. 1878, p. 34 ( Lecythea) 

 On leaves of Rubus deliciosus. Manitou Springs, Colo. 



Exoascece. 

 Taphrina extensa (Pk.) Sacc. Sacc. Syll. Eung., VIII, p. 815 (=Ascomyces ex- 

 tensus Pk., N. Y. State Mus. Rep. 39, p. .50). On leaves of Quercus. 



Equisetacece. 

 Equisetum pratense Ehrh. Beaver Canon, Idaho. 



Filices. 

 Woodsia scopulina Eaton. "Crystal Park," on Cameron's Cone trail, Manitou, 

 Colo.; also at Upper Yellowstone Falls. Yellowstone Park. 



Pteris aquilina L. Abundant and of strong growth in Gibbon Caiion, Yellow- 

 stone Park. 



Cheilanthes fendleri Hook. "Crystal Park," on Cameron's Cone trail, Manitou, 

 Colo. 



PHANEKOGAMIA. 



Coniferce. 

 Pinus edulis Eng. "Pinion," or "Nut-pine," Manitou and Salida, Colo. 

 Abies concolor Lindl. Manitou, Colo. 

 Juniperus virginiana L. Manitou, Colo., and Salida, Colo. 



Naiadacete. 

 Potamogeton pusillus L.? Salt Lake City, Utah. 



Cy2]eracece. 

 Carex alpina Swartz. Manitou, Colo. (" Crystal Park.") 

 Carex aurea Nutt. Salida, Colo. 



