Ellis and Everhart : New Species of Fungi 61 



ered more or less with fragments of the ruptured epidermis : teleu- 

 tospores cuneate or clavate, 25-35 x 12-15 fi, distinctly constricted, 



\Ofl 



mu 



thick) and dark-brown, upper cell elliptical or subglobose, lower 

 cell narrowed to the pedicel which is hyaline, attenuated below and 

 about 20 ft long. 



The sori are nearly black and occur also sparingly along the 

 midrib on the upper side of the leaf. 



Puccinia synthyridis E. & E. 



On leaves 



J 



1898 (Prof. C. V. Piper, no. 390). 



III. Sori amphigenous, scattered, 0.5-1 mm. in diameter, cov- 

 ered at first, then erumpent and surrounded by the ruptured epider- 

 mis, cinnamon-brown, flattish and pulverulent : teleutospores ellip- 

 tical, rounded at both ends, constricted in the middle, light brown, 

 epispore smooth or nearly so, slightly thickened at the apex with a 

 flattish, transparent papilla, 20-30 x 15-20//: pedicels very short. 



Differs from P. acrophila Pk. in the absence of any decided 



spots and the rather smaller spores. Specimens 



iphila 



J. W 



Puccinia circinans E. & E. 



spectabilis, Grand Canon of 1 



Spots orbicular or irregular, rusty-brown, zonate, darker in the 

 center, o. 5-1.5 cm. in diameter, teleutosori amphigenous, subhemis- 

 pherical, about . 5 mm. in diameter, subcircinately arranged on the 

 spots : teleutospores obovate or elliptical, cinnamon-brown, 30-40 

 X 15-20//, constricted, rounded above, and sometimes below, 

 epispore thickened at the apex and darker : pedicels hyaline, as 

 long as or longer than the spores. 



Diners from P. pentstemonis ; Pk. in the large conspicuous 



cana Dietel and Hoi way. 



J 



Puccinia musenii E. & E. 



On Musitrium tenuifolium, "Freeze out Hills," Wyoming, July 

 •o, 1898 (Elias Nelson, 4491). 



III. Sori pustuliform, oblong, 1-5 mm. long by I mm. broad, 

 loosely covered by the lead-colored epidermis which is tardily 



