250 DAVENPORT ACADEMY OF NATURAL SCIENCES. 



Little Beaver, Col., (55)- Saxifraga punctata, Little Beaver, Col., 

 (36). Not common. 



Puccinia irregularis Ellis &: Tracy. On foliage of Solidago sp. , head 

 of Happy Hollow, Larimer County, Col., (81). 



Puccinia Menthce. Pers. ^Pcidium stage on leaves and stems of Mon- 

 arda fistulosa, Long Gulch, Larimer County, Col., (46). Abundant 

 in a few spots. 



Puccinia PimpinelicB (Strauss) Link. On leaves of Osmorrhiza lon- 

 gistylis, Dome Lake, Wyo., (84). 



Puccinia rubigo-vera (DC.) Wint. On leaves of TiiticuiJi vulgare, 

 Crete, Neb., (145)- 



Puccinia Stipce Arth. On leaves of Siipa sp. , Fort Collins, Col. , ( 49). 



Puccinia ViolcB (Schum.) DC. /E.cidium stage on leaves of Viola 

 Canadensis, Big Horn, Sheridan County, Wyo., (58). 



Puccinia Xanthii Schw. On leaves of Xanthium Canadense, Fort 

 Morgan, Col., (25). Abundant only in Platte River bottoms, near 

 the water. 



Puccinia Crandallii Pammel &: Hume n. sp. III. Sori variable, usually 

 rather broad, long, black to brownish, tardily ruptured; spores smooth, 

 sub-ovate or clavate, apex somewhat truncated, rounded or pointed; 

 epispore thickened at the apex, 36-51 x 18-29M; pedicel slightly col- 

 ored, stout, longer than the spore. Differs from P. graniinis in the 

 much stouter pedicel and usually wider spores. On leaves and 

 sheathes of Festuca Kingii, Larimer County, Col., (69). 



Puccinia uniformis Pammel & Hume n. sp. II t\: 111. Sori amphig- 

 inous, small, orbicular, surrounded by the ruptured epidermis, some- 

 times confluent. 



II. Uredospores sub-globose, light bro^vn, epispore smooth, thin, 

 12-15/^. 



III. Teleutospores light brown, elliptical to sub-globose, obtusely 

 rounded at the ends, slightly constricted at the septum, epispore 

 smooth, thin, not thickened at the apex, 19-22x12-15/^; pedicel hya- 

 line, fragile, shorter than the spore. On leaves of Rumex paucifolius, 

 Dome Lake, Wyo., (86). 



Gynmosporangium clavariifortne (Jacq.) Rees. .Jicidium on fruit of 

 Amelanchier alnifolia Nutt., Dome Lake, Wyo., {'^^). Abundant at 

 high altitudes. 



