CLINTON: NORTH AMERICAN USTILAGINEAE. 
369 
This species was issued by mistake in Ell. & Ev., 1ST. A. Fungi, no. 
1895, as Tilletia fusca on Festuca microstachya . Later the label 
was corrected as follows: “This was issued by mistake for Tilletia 
fusca. Is is not that species and apparently not a Tilletia. The 
host also appears to be Festuca\ tenella In 1895, Ellis and 
Everhart described Ustilago Mulfordiana but did not associate it 
with this specimen in their exsiccati, though it is evidently the 
same. Massee, in 1899, in his paper on Tilletia, described a new 
species, Tilletia mixta , which includes a form on Eriochloa annu- 
lata from Australia and the one issued bv Ellis and Everhart. The 
writer has not seen the form on Eriochloa and so cannot speak as to 
its identity. The Ellis and Everhart specimen, however, is appar¬ 
ently an Ustilago and their name, Ustilago Mulfordiana , antedates 
that of Massee. In the Holway herbarium there is a specimen 
collected in Washington on Festuca tenella and labeled Ustilago 
Festucae-tenellae Henn. This species has been published recently 
by Hennings and is the same as that described here. The germina¬ 
tion has not been reported. Literature: 72, 73. 
Ustilago elegans Griff. 
Ustilago elegans Griff., Bull. Torr. Bot. Club, 29 : 292. 1902. 
* 
Exsiccati: Ustilago elegans Griff., on Chloris elegans , Griff., West Amer. 
Fungi, 309. 
Sori in the inflorescence, hidden by leaves and sheaths, sometimes 
showing through at the base, with a dusty black brown spore mass 
through which the remains of inflorescence are distributed as slender 
threads; spores dark reddish brown, ovoid to chiefly spherical, 
minutely and rather obscurely verruculose, 10-14 y in diameter. 
Host: Chloris elegans , Ariz. (type). 
This species seems to be distinct from the other species on Chloris 
that have been described by Hennings from this country. Its 
germination has not been reported. Literature: 72. 
Ustilago Dieteliana P. Henn. 
Ustilago Dieteliana P. Henn., Hedw., 37 : 268. 1898. 
Exsiccati: Ustilago Dieteliana P. Henn., on Tripsacum dactyloides , 
Syd., Ust., 152. 
