Oct. 1902 ] North American Ustilagineae 129 
cases these are also given as synonyms under the proper species. 
The generic position of a number of species has been changed 
and such changes are indicated at the proper place. A few new 
species are also described here for the first time. In this paper 
proper specific names are not capitalized in order to conform to the 
usage of this Journal though this does not represent the writer’s 
ideas on the subject. 
The writer is responsible for the following synonyms (printed 
in italics) : Cintractia patagonica Cke. & Mass, (synonym of 
Ustilago bromivora) ; Doassansia afPnis Ell. & Dearn. (Doassan- 
sia intermedia) ; Entyloma castaliae Holw. (Entyloma nym- 
phaeae) ; Entyloma holwayi Syd. (Entyloma polysporum) ; Schiz- 
onella sub trip da Ell. & Ev. (Thecaphora trailii) ; Sorosporium 
atrum Pk. (Thecaphora aterrima) ; Sorosporium bigeloviae Griff. 
(Thecaphora pilulaeformis) ; Sorosporium cenchri Henn. (Soro¬ 
sporium syntherismae) ; Sorosporium williamsii Griff. (Ustilago 
hypodytes) ; Thecaphora astragali (Pk.) Wor. and Thecaphora 
desmodii (Pk.) Wor. (Thecaphora deformans) ; Tilletia serpens 
Karst, and Tilletia aculeata Ule. (Ustilago macrospora) ; Tilletia 
externa Griff. (Cintractia externa) ; Tilletia mixta Mass. p. p. 
(Ustilago mulfordiana) ; Tilletia rotundata (Arth.) Ell. & Ev., 
Ustilago maclagani Berk. (Tilletia maclagani) ; Tolyposporium 
davidsonii Diet. & Holw., Poikilosporium davidsonii Diet., 
(Thecaphora piluaeformis) ; Urocystis gei Ell. & Ev. (Urocystis 
waldsteiniae) ; Ustilago ambiens Karst., Entyloma ambiens 
Johan., (Schizonella melanogramma) ; Ustilago americana Speg. 
and Ustilago hilariae Henn. and Ustilago stenotaphri of both 
Hennings and Massee (Ustilago affinis) ; Ustilago andropogonis- 
■saccharoides Henn. (Sphacelotheca andropogonis-hirtifolii) ; 
Ustilago apiculata Ell. & Gall. (Tolyposporella brunkii) ; Usti¬ 
lago caricicola Tr. & Earle (Ustilago olivacea) ; Ustilago caricis 
var. douglasii Shear. (Cintractia caricis) ; Ustilago cylindrica Pk. 
(Sphacelotheca ischaemi) ; Ustilago eriocauli Clint. Cintractia 
eriocauli Mass., (Ustilago eriocauli [Mass.] Clint.) ; Ustilago 
Plifera Nort. (Ustilago hieronymi) ; Ustilago Pmbristylis Thuem. 
(Cintractia axicola) ; Ustilago holwayi Diet. (Ustilago lorent- 
ziana) ; Ustilago insularis Henn. (Ustilago panici-leucophaei) ; 
Ustilago juncicola Speg.? (Cintractia montagnei) ; Ustilago lieb- 
manni Henn. (Cintractia junci?) ; Ustilago zvashingtoniana Ell. 
& Ev. (Ustilago striaeformis). 
The following species reported or described from North 
America are excluded from the Ustilagineae in this paper. The 
genera Cerebella and Graphiola, which have had several spe¬ 
cies reported from this country and which are usually placed 
by American botanists in this group, are omitted as not properly 
belonging here. 
