1<> NORTH AMERICAN FLORA [Volume 7 



Type locality ; Argentina, on Hordeum compressum. 



Distribution : North Dakota to Washington and California ; also in South America. 

 ExsiCCATi : Sydow, Ust. 9, 154, 206, W5 ; Kllis & Kv. Fungi Columb. 1281, 2098; Ellis & Ev. 

 N. Am. Fungi 27£?2; Griff. West Am. Fungi i92; Seym. & E;arle, Econ. Fungi C 140. 



16. Ustilago bromivora (TuL) Fisch. de Waldh. Bull. Soc. Nat. 



Mosc. 40': 252. 1867. 



Ustilago Carho vulgaris bromivora Tul. Ann. Sci. Nat. III. 7 : 81. 1847. 



Ciniractia patagonica Cooke & Massee, Grevillea 18 : 34. J889. (Type from Patagonia, on Bromus 

 unioloides.) 



Sori in spikelets, usually infecting only the parts within the glumes but sometimes 

 also destroying the base of these, often at first agglutinated but finally becoming dusty ; 

 spores usually dark reddish -brown, chiefly ovoid to spherical but occasionally polyhedral or 

 irregular, sometimes apparently smooth or only granular, but usually abundantly and 

 minutely granular-verruculose, 7-11//, rarely 14(«, in length. 



On Poaceae : 



Bromus arvensis, Colorado ? 



Brom,us breviaristaius , California, Iowa. 



Brom.us cihatus, Colorado. 



Bromus Hooker ianus, California, Washington. 



Bromus hordeaceus {B. mollis)^ California, Washington. 



Brom.us horde aceus^^labre scens , Washington. 

 Bromus Jiralmii,nJ^h^ 



Bromus margindfzZ^O^jai^orma, Colorado, District of Columbia, Iowa, Oregon, Wyoming. 

 Bromus polyanthus, /titan' 

 Bromus Pum-pellia7iuy;-^fistrict of Columbia, 

 Bromus racemosus, Washington. 

 Bromus Richardsoni District of Columbia. 

 Bromus secalinus, California, Oregon. 

 Bromus vulgaris, Montana, Washington. 

 Brom,us vulgaris exim.-ms^JN^^\i\^o\i.. 

 Bromus s,p., Montana, ^CtalO 

 Type locality: Europe, o ff B rom.us secaUnus. 



Distribution : District of Columbia (on cultivated plants) ; Iowa to Washington and Cali- 

 fornia ; also in South America, Europe, Asia, and Australia. 



Illustrations : Bull. Iowa Agr. Exp. Sta. 54:/. 114 {4); Brefeld, Unters. Gesammt. Myk. 

 5 : pi. 10, f. 1-8; Rev. Myc. 12 : pi. 19, f. 280-281; Bull. Soc. Nat. Mosc. 40i : pi. 3,f. 15. 



ExsiCCATi: Ellis & Ev. N. Am. '^^xrl%i 3052 : Sydow, Ust. 102, 202, 303 ; GrifP. West Am. 

 Fungi 204, 205, 206, 206a; Ellis & Ev. Fungi Columb. 5J($, 1995 ; Seym. & Earle, Econ. Fungi 

 534, C65, C136, C137, C138. 



Ustilago bromivora macrospora Farl. Bull. Iowa Agr. Coll. Bot. Dep. 1886 : 59. 1887. Spores 

 somewhat more irregular and larger, chiefly 11-17 /a in length. On Poaceae : Brom-us cilialus, 



Colorado ; ? Iowa. 



17. Ustilago Crameri Korn. ; Fuckel, Jahrb. Nass. Ver. Nat. 27-28 : 



11. 1873. 



Sori in the spikelets, infecting all of the spike, ovate, about 2-4 mm. in length, chiefly 

 destroying inner and basal parts ; spores reddish-brown, chiefly ovoid to subspherical 



though occasionally more elongate and irregular, smooth, with usually pitted contents, 



chiefly 8-11 ^ in length. 



On Poaceae : 



Chaeiochloa italica {Setaria italica), Connecticut, District of Columbia, Illinois, Indiana, 

 Iowa, Maine, Michigan, Ohio, North Dakota, South Dakota. 

 Type locality : Switzerland, on Setaria italica {Chaeiochloa italica). 

 Distribution : New England to Illinois and South Dakota ; also in Europe. 

 Illustrations : Bull. 111. Agr. Exp. Sta. 57 : pi. P; Bull. Conn. Geol. Nat. Hist. Surv. 5 : /. 

 44; Brefeld, Unters. Gesammt. Myk. 5 : pi. 7,f. 18-21. 



ExsiCCATi: Griff. West Am. Fungi 9 ; Seym. & Earle, Econ. Fungi C 66, C 139. 



18. Ustilago lycuroides Griff. Bull. Torrey Club 31 : 84. 1904. 



Sori in the ovaries, infecting only part'of the spikelets, evident, spherical, about 1.5 

 mm. in diameter, covered with a greenish membrane bearing remains of styles at its apex, 

 upon rupture disclosing a compact, dusty, black-brown spore-mass ; spores clear reddish- 

 brown, ovoid to subspherical, smooth but because of clear granular contents often appear- 

 ing pitted, chiefly 10.5-14 \i in length. 



