SMUTS AND RUSTS OF UTAH— IV 1 



A. O. Garrett 

 USTIL AGIN ALES 



6. Ustilago Bromivora (Tul.) Fisch. de Waldh. 



In ovaries of Bromus tectomm L. : 2503, June 2, 1919, Salt Lake City. 

 Another collection on the same host was made in October, 1919. 2755, August 

 20, 1920, Providence, Cache Co. 



This smut was very abundant in the early summer of 1919 on this host on 

 the "benches" around Salt Lake City. In 1920, it has been observed in equal 

 abundance extending northward to the Idaho line. Previous to these collec- 

 tions, but one other collection was known for this host, Dr. Clinton informs 

 me ; and that was made by Dr. Hitchcock in Oregon. 



9. Ustilago hypodytes (Schlecht.) Fries 



On Oryzopsis hymenoides (Roem. & Schult.), Ricker (Eriocoma cuspidata 

 Nutt.) : 2514, July 18, 1919, Price, Carbon Co. 



On Hilaria Jamesii (Torr.) Benth. : 2508, July 18, 1919, Price, Carbon Co. 

 Host determined by Mrs. Agnes Chase ; smut by Dr. Clinton, to whose her- 

 barium a specimen has been contributed. This is the first collection of the 

 smut on this host. 



12. Ustilago Lorentziana Thum. 



In inflorescence of Hordeum caespitosum Scrib. : 2015c, June 15, 1909, Salt 

 Lake City. 



In inflorescence of Sitanion Hystrix (Nutt.) J. G. Smith; 2592, June 12, 

 1920, near East High School, Salt Lake City. Host determined by Dr. 

 Hitchcock. 



27. Ustilago Hieronymi Schrot. 



In inflorescence of Bouteloua curtipendula (Michx.) Torr. (B. racemosa 

 Lag.): A collection from Utah on this grass is listed in N. A. Flora 7 1 : 13. 

 1906. 



29. Ustilago Tritici (Pers.) Rostr. Overs. K. Danske Vid. Selsk. Forh. 1890 : 



15. 1890 



In spikelets of Triticum vulgare L. : 2583, July 19, 1919, Castle Dale, Emery 

 Co. 2692a, July 18, 1920, Cedar City, Iron Co. 2510, July 18, 1919, Price, 

 Carbon Co. 



1 The previous papers of "Smuts and Rusts of Utah" were published in 

 Mycologia as follows: I, 2: 265-304, Nov,, 1910; II, 6: 240-258, Sept., 1914; 

 III, 11, 202-215, July, 1919. 



101 



