CONTRIBUTIONS TO WESTERN BOTANY. 729 



thickened at the apex, 27-30x20-22 m; pedicel hyahne, 

 fragile. 



Uromyces Lychnidis T. & E. 



No. 5851. August 22, near Tate Mine, above Marys- 

 vale, Utah, 9000° alt. 



On Lychnis Drii-mmondii . 



I, II, III on the same leaves. I. Spots indefinite; 

 pseudosporidia hypophyllous, irregularly clustered on dis- 

 colored areas, short, rupturing irregularly ; aecidial spores 

 irregularly rounded, epispores smooth, contents bright 

 yellow, 15-18 m. 



II, III, from the same sori; amphigenous, mostly epi- 

 phyllous, scattered, irregularly rounded, black or dark 

 brown, bordered by the ruptured epidermis ; uredal spores 

 globose, light yellow, minutely echinulate, 12-14 ™' 

 teleutal spores ovate, dark brown, epispores not thickened 

 at the apex, longitudinally wrinkled, about 15x20 m; 

 pedicel about equaling the spore, hyaline, very fragile. 



Puccinia aberrans Peck. 



I. 



No. 5o64bi. April 14, Mica Spring, Nevada, 4000° alt. 



On Arabis arcuata var. perennatis. 



No. 5i63av. May 4, Silver Reef, Utah, 4000° alt. 



On same host. 



No. 5165. May 5, Silver Reef, Utah, 4500° alt. 



On Arabis Holboellii. 



II. 



No. 5165. 



On same host, 



III. 



No. 5165. 



Same host. 



No. 5338ai. May 31, Marysvale, Utah, 6000° alt. 



Same host. 



2d See., Vol. V. ( 47 ) October 3, 1895. 



